WO2024016768A1 - 一种车辆漂移控制方法、系统及车辆 - Google Patents
一种车辆漂移控制方法、系统及车辆 Download PDFInfo
- Publication number
- WO2024016768A1 WO2024016768A1 PCT/CN2023/090698 CN2023090698W WO2024016768A1 WO 2024016768 A1 WO2024016768 A1 WO 2024016768A1 CN 2023090698 W CN2023090698 W CN 2023090698W WO 2024016768 A1 WO2024016768 A1 WO 2024016768A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control
- vehicle
- front axle
- torque
- drift
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/02—Control of vehicle driving stability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/082—Selecting or switching between different modes of propelling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K23/0808—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/32—Control or regulation of multiple-unit electrically-propelled vehicles
- B60L15/38—Control or regulation of multiple-unit electrically-propelled vehicles with automatic control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/119—Conjoint control of vehicle sub-units of different type or different function including control of all-wheel-driveline means, e.g. transfer gears or clutches for dividing torque between front and rear axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/02—Control of vehicle driving stability
- B60W30/045—Improving turning performance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18145—Cornering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K23/0808—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch
- B60K2023/0816—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch for varying front-rear torque distribution with a central differential
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/42—Electrical machine applications with use of more than one motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/14—Yaw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/20—Sideslip angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/12—Brake pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/18—Steering angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/215—Selection or confirmation of options
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
- B60W2710/085—Torque change rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/088—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/24—Energy storage means
- B60W2710/242—Energy storage means for electrical energy
- B60W2710/246—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/24—Energy storage means
- B60W2710/242—Energy storage means for electrical energy
- B60W2710/248—Current for loading or unloading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/14—Yaw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/20—Sideslip angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/40—Torque distribution
- B60W2720/403—Torque distribution between front and rear axle
Definitions
- the present disclosure relates to the field of vehicle control technology, and specifically, to a vehicle drift control method, system and vehicle.
- the driver's current steering intention is determined based on the detection signal of the vehicle status. If the current steering intention is determined to be that the current wheel turning operation is exacerbating the current vehicle steering tendency, a decision is made to reduce the front axle torque distribution ratio and increase the rear axle torque distribution ratio. Adjustment plan for the torque distribution ratio; if it is determined that the current steering intention is that the current wheel turning operation is against the current vehicle steering trend, then an adjustment plan is made to increase the front axle torque distribution ratio and reduce the rear axle torque distribution ratio. This method only determines the corresponding torque distribution ratio based on the driver's current steering intention to aggravate or counter the current vehicle steering trend, and cannot achieve better drift effects and drift safety.
- the purpose of this disclosure is to provide a vehicle drift control method, system and vehicle, which determines the front axle torque ratio of the vehicle based on the first vehicle speed, the first yaw angular velocity and the first center of mass side slip angle by obtaining the state parameters of the vehicle, so that The obtained front axle torque distribution results are more diverse, so that the torque distribution of the front and rear axles can be more reasonable, thereby improving the duration of drift and the safety of drift.
- a vehicle drift control method including:
- the vehicle's required torque and the state parameters of the vehicle In response to the user's drift operation instruction, obtain the vehicle's required torque and the state parameters of the vehicle, where the state parameters include a first vehicle speed, a first yaw angular velocity and a first center of mass side slip angle;
- Torque control is performed on the front axle motor and the rear axle motor respectively according to the front axle required torque and the rear axle required torque.
- determining the front axle torque ratio according to the state parameter includes:
- the front axle torque ratio is determined based on the original front axle torque ratio, the first front axle torque ratio correction coefficient and the second front axle torque ratio correction coefficient.
- the state parameter further includes at least one of a first accelerator pedal depth and a first brake pedal depth;
- the method further includes:
- Determining the front axle torque proportion based on the original front axle torque proportion, the first front axle torque proportion correction coefficient and the second front axle torque proportion correction coefficient includes:
- the third front axle torque proportion correction coefficient and the front axle torque proportion correction value and the original front axle torque ratio, the first front axle torque ratio correction coefficient and the second front axle torque ratio correction coefficient to determine the front axle torque ratio.
- the method also includes:
- the control intensity is determined according to the state parameters, and the control intensity is negatively related to the difficulty of the electronic stability control system entering vehicle stability control.
- the state parameters include a second yaw angular velocity and a second center-of-mass side slip angle.
- determining the control intensity according to the state parameters includes:
- the control intensity is determined based on the first control intensity coefficient and the second control intensity coefficient.
- the state parameter further includes at least one of a second vehicle speed, a second accelerator pedal depth, and a second brake pedal depth;
- the method further includes:
- Determining the control intensity according to the first control intensity coefficient and the second control intensity coefficient includes:
- the method further includes:
- the vehicle is controlled to enter the drift mode.
- the method further includes:
- At least one pre-adjusted control system among the plurality of target control systems executes the pre-adjusted control instruction, so that the pre-adjusted control system meets the requirements of the drift mode.
- the pre-adjusting control system includes a vehicle thermal management system
- At least one pre-adjusted control system among the plurality of target control systems executes the pre-adjusted control instructions, including:
- the temperature of each subsystem in the vehicle thermal management system is controlled within a corresponding preset drift temperature range.
- the preconditioning control system also includes a battery management system
- At least one pre-adjusted control system among the plurality of target control systems executes the pre-adjusted control instructions, including:
- the battery management system is controlled to adjust the discharge power of the battery to the target discharge power.
- controlling the battery management system to adjust the discharge power of the battery to the target discharge power includes:
- Control the battery management system to adjust the temperature of the battery module to a first preset temperature interval, where the first preset temperature interval is the temperature interval with the highest power release efficiency of the battery module;
- the current discharge power is a preset conventional discharge power corresponding to the actual SOC, and the target discharge power is greater than the current discharge power .
- the pre-adjusting control system also includes a front motor controller and a rear motor controller;
- At least one pre-adjusted control system among the plurality of target control systems executes the pre-adjusted control instructions, including:
- Control the front motor controller to adjust the temperature of the front axle motor to a second preset temperature interval, and adjust the current motor torque load addition and deceleration rate of the front motor controller to the target load addition and deceleration rate;
- the rear motor controller is controlled to adjust the temperature of the rear axle motor to a second preset temperature interval, and the current motor torque load addition and deceleration rate of the rear motor controller is adjusted to the target load addition and deceleration rate, the
- the current motor torque loading and unloading rate is a preset conventional loading and unloading rate, and the target loading and unloading rate is greater than the current motor torque loading and unloading rate.
- the pre-adjustment control system includes a throttle torque control system
- At least one pre-adjusted control system among the plurality of target control systems executes the pre-adjusted control instructions, including:
- the throttle torque control system switches the current throttle response curve to a preset dynamic response curve.
- the method further includes:
- the control enters the rear-drive control mode, and the rear-drive control mode preferentially allocates the vehicle required torque to the rear axle motor;
- the control When it is obtained that the vehicle speed reaches the preset vehicle speed threshold, the control enters the four-wheel drive control mode.
- the four-wheel drive control mode performs torque control on the front axle motor and the rear axle motor respectively according to the front axle demand torque and the rear axle demand torque. .
- the method also includes:
- the drift mode is exited, and the torque of the front axle motor and the rear axle motor is controlled through the torque management system and the electronic stability control system to reduce until the electronic stability control system detects that the vehicle is stable. state.
- a vehicle drift control system including: a vehicle controller and a torque management system connected to the vehicle controller;
- the vehicle controller is configured to obtain vehicle demand torque and state parameters of the vehicle in response to a user's drift operation instruction.
- the state parameters include a first vehicle speed, a first yaw angular velocity and a first center of mass side. declination;
- the torque management system is configured to:
- Torque control is performed on the front axle motor and the rear axle motor respectively according to the front axle required torque and the rear axle required torque.
- the torque management system is configured to: determine an original front axle torque ratio based on the first vehicle speed;
- the front axle torque ratio is determined based on the original front axle torque ratio, the first front axle torque ratio correction coefficient and the second front axle torque ratio correction coefficient.
- the state parameter further includes at least one of a first accelerator pedal depth and a first brake pedal depth;
- the torque management system is also configured to:
- the third front axle torque proportion correction coefficient and the front axle torque proportion correction value determines the front axle torque proportion.
- the vehicle drift control system also includes an electronic stability control system
- the electronic stability control system is configured to determine a control intensity based on the state parameter, the control intensity being negatively correlated with the difficulty of the electronic stability control system entering vehicle stability control, the state parameter including a second yaw angular velocity and a second Center of mass sideslip angle.
- the electronic stability control system is configured to:
- the control intensity is determined based on the first control intensity coefficient and the second control intensity coefficient.
- the state parameter further includes at least one of a second vehicle speed, a second accelerator pedal depth, and a second brake pedal depth;
- the electronic stability control system is also configured to:
- the vehicle drift control system also includes multiple target control systems. After responding to the user's drift operation instructions, the vehicle controller is further configured to:
- the vehicle is controlled to enter the drift mode.
- the target control system includes a pre-adjustment control system
- the vehicle controller is configured to: generate a pre-adjusted control instruction
- the preset control system is configured to execute the preset control instruction so that the preset control system meets the requirements of the drift mode.
- the pre-adjusting control system includes a vehicle thermal management system
- the vehicle thermal management system is configured to control the temperature of each subsystem within a corresponding preset drift temperature range.
- the preconditioning control system also includes a battery management system
- the battery management system is configured as:
- the battery management system is configured to:
- Control the battery management system to adjust the temperature of the battery module to a first preset temperature interval, where the first preset temperature interval is the temperature interval with the highest power release efficiency of the battery module;
- the current discharge power is a preset conventional discharge power corresponding to the actual SOC, and the target discharge power is greater than the current discharge power .
- the pre-adjusting control system also includes a front motor controller and a rear motor controller;
- the front motor controller is configured to: adjust the temperature of the front axle motor to a second preset temperature interval, and adjust the current motor torque load addition and deceleration rate to a target load addition and deceleration rate;
- the front motor controller is configured to: adjust the temperature of the rear axle motor to a second preset temperature interval, and adjust the current motor torque increase and decrease rate to the target load increase and decrease rate, and the current motor torque increase and decrease rate.
- the load-reduction rate is a preset conventional load-reduction rate, and the target load-reduction rate is greater than the current motor torque load-reduction rate.
- the pre-adjustment control system includes a throttle torque control system
- the throttle torque control system is configured to switch the current throttle response curve to a preset dynamic response curve.
- the vehicle controller is further configured to:
- the control enters the rear-drive control mode, and the rear-drive control mode preferentially allocates the vehicle required torque to the rear axle motor;
- the control When it is obtained that the vehicle speed reaches the preset vehicle speed threshold, the control enters the four-wheel drive control mode.
- the four-wheel drive control mode performs torque control on the front axle motor and the rear axle motor respectively according to the front axle demand torque and the rear axle demand torque. .
- the vehicle controller is also configured to: exit the drift mode when receiving a drift exit instruction;
- the torque management system is configured to control the torque of the front axle motor and the rear axle motor to decrease until The electronic stability control system detects that the vehicle is in a stable state;
- the electronic stability control system is configured to enter stability control of the vehicle until it is detected that the vehicle is in a stable state.
- a vehicle which includes a vehicle drift control system as provided in the second aspect of the present disclosure.
- the vehicle's required torque and vehicle's state parameters are obtained.
- the state parameters include the first vehicle speed, the first yaw angular velocity and the first center of mass side slip angle, and the front wheel is determined based on the state parameters.
- Axle torque ratio and then determine the front axle demand torque and rear axle demand torque according to the front axle torque ratio and the vehicle demand torque, and perform torque control on the front axle motor and the rear axle motor respectively according to the front axle demand torque and the rear axle demand torque.
- different first vehicle speeds, different first yaw angular velocities and different The first center-of-mass side slip angle can determine and obtain different front axle torque ratios, that is, different front axle torque ratios can be obtained under different working conditions, thereby making the obtained front axle torque ratio more accurate and diverse, thereby adapting to More working conditions make the torque distribution of the front and rear axles more reasonable, improving the duration of drift and the safety of drift.
- Figure 1 is a schematic diagram of a vehicle drift control system according to an exemplary embodiment.
- Figure 2 is a flow chart of a vehicle drift control method according to an exemplary embodiment.
- FIG. 3 is a flowchart of a method for adjusting a target control system according to an exemplary embodiment.
- FIG. 4 is a schematic diagram illustrating a relationship between the first vehicle speed and the original front axle torque ratio according to an exemplary embodiment.
- FIG. 5 is a schematic diagram illustrating a correlation between the first yaw angular velocity and the first front axle torque proportional correction coefficient according to an exemplary embodiment.
- FIG. 6 is a schematic diagram illustrating a correlation between a first center-of-mass side slip angle and a second front axle torque proportional correction coefficient according to an exemplary embodiment.
- FIG. 7 is a schematic diagram illustrating a correlation between the first accelerator pedal depth and the third front axle torque proportion correction coefficient according to an exemplary embodiment.
- FIG. 8 is a schematic diagram illustrating a correlation between the first brake pedal depth and the front axle torque proportion correction value according to an exemplary embodiment.
- FIG. 9 is a schematic diagram illustrating a correlation between the second yaw angular velocity and the first control intensity coefficient according to an exemplary embodiment.
- FIG. 10 is a schematic diagram illustrating a correlation between a second center-of-mass side slip angle and a second control intensity coefficient according to an exemplary embodiment.
- FIG. 11 is a schematic diagram illustrating a correlation between the second vehicle speed and the third control intensity coefficient according to an exemplary embodiment.
- FIG. 12 is a schematic diagram illustrating a correlation between the second accelerator pedal depth and the fourth control intensity coefficient according to an exemplary embodiment.
- FIG. 13 is a schematic diagram illustrating a correlation between the second brake pedal depth and the fifth control intensity coefficient according to an exemplary embodiment.
- the driver's current steering intention is determined based on the detection signal of the vehicle status. If the current steering intention is determined to be that the current wheel turning operation is exacerbating the current vehicle steering tendency, a decision is made to reduce the front axle torque distribution ratio and increase the rear axle torque distribution ratio. Adjustment plan for the torque distribution ratio; if the current steering intention is determined to be that the current wheel turning operation is against the current vehicle steering trend, then an adjustment plan is made to increase the front axle torque distribution ratio and reduce the rear axle torque distribution ratio.
- This method only determines the corresponding torque distribution proportion based on the driver's current steering intention to aggravate or counter the current vehicle steering trend. There are only two situations of aggravating and countering, and thus there are only two corresponding torque distribution ratio adjustment schemes, which cannot More diversified torque distribution schemes are obtained according to different working conditions, resulting in an unreasonable torque distribution scheme and poor drift effect and drift safety.
- embodiments of the present disclosure provide a vehicle drift control method that can obtain the vehicle's vehicle demand torque and vehicle state parameters in real time during the entire process of the driver driving the vehicle to perform drift.
- different first vehicle speeds, different first yaw angular velocities and different first center of mass side slip angles can determine and obtain different front axle torque ratios. That is, different front axle torque ratios can be obtained under different working conditions, thereby making the obtained front axle torque ratio more accurate and more diverse, thereby adapting to more working conditions, making the torque distribution of the front and rear axles more reasonable, and improving drift. the duration and the safety of drift.
- FIG. 1 is a schematic diagram of a vehicle drift control system according to an exemplary embodiment.
- a vehicle drift control system provided by an embodiment of the present disclosure will be introduced below.
- the PAD in Figure 1 is the vehicle display screen, ESP (Electronic Stability Program, electronic stability control system), ABS (antilock brake system, anti-lock braking system), TCS (Traction Control System, traction control system), VDC (Vehicle Dynamics Control) , automobile dynamic control system), the vehicle drift control system includes a vehicle controller and multiple target control systems connected to the vehicle controller.
- the target control system may include a tire pressure detection unit, a drive system, a braking system, and a steering system.
- the user can trigger the drift operation command through the drift enable switch in the switch display system.
- the vehicle controller can forward the command to multiple target control systems connected to it. Multiple target control systems respond to the drift operation command, perform self-tests, and return self-test feedback information to the vehicle controller and the corresponding switch display system.
- the vehicle controller can determine whether to turn on the drift mode based on the self-test feedback information, and the switch display system can also display the self-test feedback information to the user through the corresponding display device.
- FIG. 2 is a flow chart of a vehicle drift control method according to an exemplary embodiment. The method can be applied to a vehicle drift control system. As shown in Figure 2, the method includes the following steps:
- step S201 in response to the user's drift operation instruction, the vehicle demand torque and vehicle state parameters are obtained.
- the state parameters include the first vehicle speed, the first yaw angular velocity and the first center of mass side slip angle.
- the vehicle drift control system may include a vehicle controller, and the drift operation instruction is an instruction to turn on the drift mode.
- the drift operation instruction is an instruction to turn on the drift mode.
- the user can use physical buttons in the switch display system, Select the drift mode through multimedia switch, PAD switch, etc., thereby generating drift operation instructions and sending them to the vehicle controller.
- the torque management system will respond to the user's drift operation instructions and obtain the vehicle's required torque and vehicle status parameters in real time.
- the state parameters of the vehicle may include the first vehicle speed, the first yaw angular velocity and the first center of mass slip angle.
- the vehicle center of mass sideslip angle can be estimated based on vehicle speed, yaw angular velocity, steering wheel angle, and the vehicle's two-degree-of-freedom linear dynamics model.
- step S202 the front axle torque ratio is determined according to the state parameters.
- the state parameters will continue to change.
- different first vehicle speeds, different first yaw angular velocities, and different first center of mass side slip angles can be obtained, thereby determining Different front axle torque ratios are obtained, that is, different front axle torque ratios can be obtained under different working conditions.
- step S203 the front axle demand torque and the rear axle demand torque are determined according to the front axle torque ratio and the vehicle demand torque.
- the vehicle demand torque can be determined according to the brake pedal depth of the current vehicle. Specifically, according to the brake pedal depth and the current front axle throttle curve and rear axle throttle curve, the original front axle demand torque before distribution and The original rear axle demand torque, according to the original front axle demand torque and the original rear axle demand torque before distribution, the vehicle demand torque can be obtained.
- the front axle's demand torque can be obtained, and then the rear axle's demand torque can be obtained based on the difference between the vehicle's demand torque and the front axle's demand torque.
- step S204 the front axle motor and the rear axle motor are torque controlled respectively according to the front axle required torque and the rear axle required torque.
- the torque management system can send the front axle demand torque to the front axle motor controller, so that the front axle motor controller controls the torque of the front axle motor to the front axle demand torque; the torque management system can send the rear axle demand torque is sent to the rear axle motor controller so that the rear axle motor controller can control the torque of the rear axle motor to the required torque of the rear axle, thereby achieving the purpose of continuously adjusting the torque of the front axle motor and the torque of the rear axle motor during the user's drift process. In order to improve the duration of drift and the safety of drift.
- the vehicle's vehicle demand torque and the vehicle's state parameters can be obtained in real time during the entire process of the driver driving the vehicle to perform drift.
- different first vehicle speeds, different first yaw angular velocities and different first center of mass side slip angles can determine and obtain different front axle torque ratios. That is, different front axle torque ratios can be obtained under different working conditions, thereby making the obtained front axle torque ratio more accurate and more diverse, thereby adapting to more working conditions, making the torque distribution of the front and rear axles more reasonable, and improving drift. the duration and the safety of drift.
- the drift mode after responding to the user's drift operation instruction, the drift mode also needs to be turned on.
- the method of turning on the drift mode may be:
- a self-test control instruction is generated to control multiple target control systems related to drift mode control to perform self-test, and obtain self-test feedback information for each of the target control systems.
- the vehicle is controlled to enter the drift mode.
- the user can select the drift mode through physical buttons, multimedia switches, PAD switches, etc. in the switch display system, thereby generating drift operation instructions and sending them to the entire vehicle. controller.
- the vehicle controller After the vehicle controller receives the drift operation command, it can generate a self-test control command. Then, the self-test control instruction can be sent to multiple target control systems related to drift mode control connected to it.
- the target control system can include a tire pressure detection unit, a drive system, a braking system, a steering system, and a vehicle thermal system. management system, battery management system, front motor controller, rear motor controller, electronic stability control system and torque management system.
- the target control system responds to the self-test control command, performs self-test, and returns self-test feedback information to the vehicle controller and the corresponding switch display system.
- the vehicle controller can determine whether to turn on the drift mode based on the self-test feedback information.
- the switch display system can also display the self-test feedback information to the user through the corresponding display device.
- the self-test feedback information may include the detection results of each target control system, and the self-test feedback information of each target control system may include normal and abnormal, and may be displayed through a corresponding display device.
- the self-test feedback information of the tire pressure monitoring unit can be displayed through the tire pressure display device;
- the self-test feedback information of the driving system can be displayed through the driving system display device;
- the self-test feedback information of the braking system can be displayed through the braking system
- the self-test feedback information of the steering system can be displayed through the steering system display device;
- the self-test feedback information of the battery management system can be displayed through the battery system display device.
- Displaying the self-test feedback information to the user through the corresponding display device can clearly show the specific abnormal system to the user when various systems in the target control system are abnormal, thereby reminding the user of the purpose Carry out maintenance, and when all self-test feedback information is normal, determine that the self-test feedback information is the preset qualified information.
- the vehicle can be controlled to enter the drift mode.
- each target control system of the vehicle when receiving the user's drift operation instruction, each target control system of the vehicle is first detected.
- the self-test feedback information of all target control systems is preset qualified information, the drift mode can be turned on. In order to improve the safety of drifting.
- Figure 3 is a flow chart of a method for adjusting a target control system according to an exemplary embodiment.
- the vehicle controller and target control system can also be adjusted to make each target control system more adaptable to the drift mode and obtain better drift effects. For example, the following steps may be included:
- step S301 a pre-adjusting control instruction is generated.
- the vehicle controller can generate a pre-adjusted control instruction.
- step S302 at least one pre-adjusted control system among the plurality of target control systems executes the pre-adjusted control instruction, so that the pre-adjusted control system meets the requirements of the drift mode.
- At least one pre-adjusting control system in the target control system can execute pre-adjusting control instructions.
- the pre-adjusting control system can be adjusted accordingly according to the adjustment strategy of each pre-adjusting control system.
- the parameters can be adjusted to the best, while for other pre-adjusted control systems, the original state can be maintained, such as the drive system, braking system, steering system, vehicle torque management system and The electronic stability control system, etc., will remain in its original state if there is no abnormality.
- the pre-adjusted control system meets the requirements of the drift mode, where the requirements include performance requirements and power requirements, where the performance requirements may include the stability of the vehicle, and the power requirements may include the dynamics of the vehicle.
- the preconditioning control system includes a vehicle thermal management system
- At least one pre-adjusted control system among multiple target control systems executes pre-adjusted control instructions, which may include the following methods:
- the vehicle thermal management system includes multiple subsystems.
- the multiple subsystems may include air conditioning systems, oil pump systems, cooling systems, etc.
- Each subsystem is set with a corresponding preset drift temperature range.
- the preset drift The temperature range is a preset temperature range used to adapt to the drift mode in order to improve the drift performance of the vehicle.
- the preconditioning control system also includes a battery management system
- At least one pre-adjusted control system among multiple target control systems executes pre-adjusted control instructions, which may include the following steps:
- Control the battery management system to adjust the discharge power of the battery to the target discharge power.
- the battery management system is controlled to adjust the battery's discharge power to the target discharge power, so as to increase the vehicle's current discharge power to provide better power output or braking capability, thereby improving the vehicle's drift performance.
- the battery management system can be controlled to adjust the temperature of the battery module to a first preset temperature interval, which is the temperature interval with the highest power release efficiency of the battery module, and at the same time calculate the required time and use the instrument to Inform the user in the form of display or voice broadcast, give the user sufficient preparation time, obtain the current discharge power, and control the battery management system to adjust the current discharge power to the target discharge power, where the current discharge power is the preset conventional discharge corresponding to the actual SOC Power, the target discharge power is greater than the current discharge power. Increase the discharge power appropriately to meet the driver's larger power needs.
- a first preset temperature interval which is the temperature interval with the highest power release efficiency of the battery module
- the first preset temperature range with the highest power release efficiency corresponding to the current battery module is obtained, and the temperature of the battery module is adjusted to the first preset temperature. range, so that the current discharge power of the battery module can be increased to the target discharge power to provide better power output or braking capability, thereby improving the vehicle's drift performance.
- the pre-adjustment control system also includes a front motor controller and a rear motor controller;
- At least one pre-adjusted control system among the plurality of target control systems executes pre-adjusted control instructions, including:
- Control the front motor controller to adjust the temperature of the front axle motor to the second preset temperature range, and adjust the current motor torque addition and deceleration rate of the front motor controller to the target load addition and deceleration rate;
- the rear motor controller is controlled to adjust the temperature of the rear axle motor to the second preset temperature range, and adjusts the current motor torque loading and unloading rate of the rear motor controller to the target loading and unloading rate.
- the current motor torque loading and unloading rate is Preset the conventional loading and unloading rate, and the target loading and unloading rate is greater than the current motor torque loading and unloading rate.
- the second preset temperature interval is the preset optimal operating temperature interval of the motor.
- the front motor controller is controlled to adjust the temperature of the front axle motor to the second preset temperature interval
- the rear motor controller is controlled.
- the device adjusts the temperature of the rear axle motor to the second preset temperature range, which can ensure the output and improve the drift performance.
- Response rate ensuring the fastest output response of torque.
- the pre-adjustment control system includes a throttle torque control system
- At least one pre-adjusted control system among the plurality of target control systems executes pre-adjusted control instructions, including:
- the throttle torque control system switches the current throttle response curve to the preset dynamic response curve.
- the throttle response curve in order to enable the vehicle to start drifting better and achieve a better drifting effect, can be adjusted to a preset dynamic response curve, where the throttle response curve can include a preset economy curve and a preset dynamic response curve. Assuming a power curve, under the same throttle opening, the demand torque corresponding to the preset power curve is greater than the demand torque corresponding to the preset economy curve, so as to provide better power performance.
- the method further includes:
- the control enters the rear-drive control mode, which gives priority to allocating the vehicle's required torque to the rear axle motor;
- the control enters the four-wheel drive control mode.
- the four-wheel drive control mode controls the torque of the front axle motor and the rear axle motor respectively according to the front axle demand torque and the rear axle demand torque.
- the drift mode in order to make the vehicle accelerate better, start drifting better, and achieve better drifting effects, after the drift mode is turned on, it can first be controlled to enter the rear-wheel drive control mode.
- the torque required by the vehicle is first provided by the rear axle motor.
- the front axle motor supplements the insufficient torque.
- the four-wheel drive mode can be controlled to obtain the front axle demand torque and the rear axle demand torque according to the obtained front axle torque ratio, so that the front axle demand torque and the rear axle demand torque can be obtained respectively.
- Torque control of front and rear axle motors Thereby ensuring the stability of the vehicle, improving the drift time, and improving the safety of the vehicle.
- the preset speed threshold is the speed that allows the vehicle to start drifting. Different road surfaces correspond to different preset speed thresholds.
- the preset speed threshold can be calibrated by the manufacturer based on testing, or can be set by the user based on actual conditions. In order to determine the preset speed threshold based on the current road surface.
- determining the front axle torque ratio according to the state parameters may include the following steps:
- the front axle torque proportion is determined based on the original front axle torque proportion, the first front axle torque proportion correction coefficient and the second front axle torque proportion correction coefficient.
- the original front axle torque ratio can be determined based on the relationship between the first vehicle speed and the original front axle torque ratio.
- FIG. 4 shows a relationship between the first vehicle speed and the original front axle torque according to an exemplary embodiment.
- the schematic diagram of the correlation relationship of the torque ratio is shown in Figure 4.
- the original front axle torque ratio thresholds I1 and I2 (I1 ⁇ I2) and the first vehicle speed thresholds V1 and V2 are preset.
- I1 can be 5-15%
- I2 can be 30-35%
- V1 can be 20-50km/h
- V2 Can be 100-120km/h.
- the original front axle torque ratio is not lower than the threshold I1, but will not exceed the threshold I2.
- the original front axle torque ratio is I1.
- the original front axle torque ratio is I2
- the first vehicle speed is between V1 and V2
- the first vehicle speed is positively related to the original front axle torque ratio
- the original front axle torque ratio is obtained by looking up the table.
- the first front axle torque proportion correction coefficient may be determined according to the correlation between the first yaw angular velocity and the first front axle torque proportion correction coefficient.
- FIG. 5 shows a first yaw ratio according to an exemplary embodiment.
- the first front axle torque proportional correction coefficient thresholds k5 and k6 are preset, as well as the first front axle torque W1 and W2.
- k5 can be 1
- k6 can be 1.5-1.8
- W1 can be 25-35deg/s
- W2 can be 50-60deg/s
- the first front axle torque proportion correction coefficient is not lower than the threshold k5, but will not exceed Threshold k6, when the first yaw angular speed is lower than W1, the first front axle torque proportion correction coefficient is k5, when the first yaw angular speed is higher than W2, the first front axle torque proportion correction coefficient is k6, when the first yaw angular speed is higher than W2, the first front axle torque proportion correction coefficient is k6.
- the first yaw angular speed is between W1 and W2
- the first yaw angular speed is positively related to the first front axle torque proportion correction coefficient
- the first front axle torque proportion correction coefficient is obtained by looking up the table.
- the second front axle torque proportion correction coefficient can be determined according to the correlation between the first center of mass side slip angle and the second front axle torque proportion correction coefficient.
- FIG. 6 shows a first center of mass according to an exemplary embodiment. Schematic diagram of the relationship between the side slip angle and the second front axle torque proportional correction coefficient, as shown in Figure 6.
- the second front axle torque proportion correction coefficient is not lower than the threshold k7, but will not exceed the threshold k8.
- the second front axle torque proportion correction coefficient is k7.
- the second front axle torque proportion correction coefficient is k8.
- the first center of mass side slip angle is between B3 and B4
- the first center of mass side slip angle is positively related to the second front axle torque proportion correction coefficient.
- the second front axle torque proportion correction coefficient is obtained by looking up the table.
- the original front axle torque ratio, the first front axle torque ratio correction coefficient and the second front axle torque ratio correction coefficient After obtaining the original front axle torque ratio, the first front axle torque ratio correction coefficient and the second front axle torque ratio correction coefficient, the original front axle torque ratio, the first front axle torque ratio correction coefficient and the second front axle torque can be The proportional correction coefficient determines the front axle torque proportion.
- the product of the original front axle torque proportion, the first front axle torque proportion correction coefficient and the second front axle torque proportion correction coefficient can be determined as the front axle torque proportion.
- the first yaw angular velocity and the first center-of-mass side slip angle both represent the stability of the vehicle
- the original front axle torque ratio is determined through the first vehicle speed, combined with the first yaw angular velocity and the first center-of-mass side slip angle that represent the stability of the vehicle.
- the first front axle torque proportion correction coefficient and the second front axle torque proportion correction coefficient determined by the first center of mass side slip angle are used to determine the front axle torque proportion, which can improve the stability of vehicle drift.
- the state parameter may further include at least one of a first accelerator pedal depth and a first brake pedal depth.
- the third front axle torque proportion correction coefficient can be determined according to the correlation between the first accelerator pedal depth and the third front axle torque proportion correction coefficient.
- FIG. 7 shows a first accelerator pedal according to an exemplary embodiment.
- the third front axle torque proportional correction coefficient thresholds k1 and k2 are preset, as well as the first accelerator pedal depth A1 and A2. Among them, k1 can be 0.6-0.8, k2 can be 1, A1 can be 40-50%, and A2 can be 100%.
- the third front axle torque proportion correction coefficient is not lower than the threshold k1, but will not exceed the threshold k2.
- the third front axle torque proportion correction coefficient is k2.
- the third front axle torque proportion correction coefficient is k2.
- the first accelerator pedal depth is at When between A1 and A2, the first accelerator pedal depth is negatively related to the third front axle torque proportion correction coefficient, and the third front axle torque proportion correction coefficient is obtained by looking up the table.
- the front axle torque proportion correction value can be determined according to the correlation between the first brake pedal depth and the front axle torque proportion correction value.
- FIG. 8 shows a relationship between the first brake pedal depth and the front axle torque proportion correction value according to an exemplary embodiment.
- the schematic diagram of the relationship between the front axle torque proportion correction value is shown in Figure 8.
- the front axle torque proportion correction value is not lower than the threshold k3, but will not exceed the threshold k4.
- the front axle torque ratio correction value is k3.
- the front axle torque proportion correction value is k4.
- the front axle torque proportion is obtained by looking up the table Correction value.
- the front axle torque proportion correction coefficient may be determined based on at least one of the third front axle torque proportion correction coefficient and the front axle torque proportion correction value, as well as the original front axle torque proportion, the first front axle torque proportion correction coefficient and the second front axle torque proportion correction coefficient. Shaft torque ratio.
- the product of the original front axle torque ratio, the first front axle torque ratio correction coefficient, the second front axle torque ratio correction coefficient, and the third front axle torque ratio correction coefficient may be determined as the front axle torque ratio.
- the front axle torque ratio may be obtained by multiplying the original front axle torque ratio, the first front axle torque ratio correction coefficient and the second front axle torque ratio correction coefficient and then subtracting the front axle torque ratio correction value.
- the original front axle torque proportion, the first front axle torque proportion correction coefficient, the second front axle torque proportion correction coefficient and the third front axle torque proportion correction coefficient can be multiplied and then subtracted from the front axle torque proportion correction value to obtain the front axle torque proportion correction coefficient. Shaft torque ratio.
- the depth of the accelerator pedal and the brake pedal is considered, which can make the obtained front axle torque ratio more accurate, thereby improving the stability of the vehicle and improving the drift performance of the vehicle.
- the state parameters can be detected in real time to determine the control intensity of the electronic stability control system, so as to determine the difficulty of the electronic stability control system entering vehicle stability control, so as to improve the drift effect and ensure the safety of the vehicle.
- the state parameters may include a second yaw angular velocity and a second center-of-mass slip angle.
- the first control intensity coefficient can be determined according to the correlation between the second yaw angular velocity and the first control intensity coefficient.
- FIG. 9 shows a second yaw angular velocity and the first control intensity coefficient according to an exemplary embodiment.
- the schematic diagram of the correlation relationship of coefficients is shown in Figure 9, with preset thresholds q7 and q8.
- the first control intensity coefficient is q7.
- the second yaw angular velocity is greater than W4
- the first control intensity coefficient is q8.
- the second yaw angular velocity is between W3 and W4
- the second yaw angular velocity is between W3 and W4.
- the angular velocity is positively related to the first control intensity coefficient and is obtained by looking up the table.
- q7 can be 1-1.5
- q8 can be 9-10
- W3 can be 25-35deg/s
- W4 can be 50-60deg/s.
- the second control intensity coefficient can be determined according to the correlation between the second center of mass side slip angle and the second control intensity coefficient.
- FIG. 10 shows a second center of mass side slip angle and the second control intensity coefficient according to an exemplary embodiment.
- the schematic diagram of the correlation relationship of the control intensity coefficient is shown in Figure 10, with preset thresholds q9 and q10.
- the second center of mass side slip angle is less than B7
- the second control intensity coefficient is q9.
- the second control intensity coefficient is q10.
- the second yaw angular velocity is between W3 and W4
- the second control intensity coefficient is q9.
- the center-of-mass side slip angle is positively related to the second control intensity coefficient, which is obtained by looking up the table.
- q9 can be 1-1.5
- q10 can be 9-10
- B7 can be 1-1.5 degrees
- B8 can be 4-6 degrees.
- the product of the first control intensity coefficient and the second control intensity coefficient may be determined as the control intensity.
- the electronic stability control system completely withdraws from vehicle stability control, which means that the control intensity drops to 0. Subsequently, the control intensity will be adjusted in real time according to the vehicle status. For example, complete exit is 0, regular control is 10, the strongest control is 20, and the interval will be reduced by 1 in the middle.
- the electronic stability control system will adjust its intervention level according to the control intensity. The smaller the control intensity, the smaller the intervention level. The smaller the intervention level, the more obvious the degradation response. That is, the smaller the intervention level, the more difficult it is for the electronic stability control system to enter vehicle stability control. .
- the second yaw angular velocity and the second center-of-mass side slip angle represent the stability of the vehicle
- the control intensity of the electronic stability control system entering vehicle stability control is determined by the second yaw angular velocity and the second center-of-mass side slip angle, It can improve the drift effect and ensure the safety of the vehicle. For example, when the vehicle stability is good, the control intensity is low. When the vehicle's stability is low, the electronic stability control system does not enter vehicle stability control to avoid affecting the user's drift operation. When the vehicle's stability is low, the electronic stability control system enters vehicle stability control to ensure vehicle stability and improve vehicle safety.
- the state parameter further includes at least one of a second vehicle speed, a second accelerator pedal depth, and a second brake pedal depth.
- the third control intensity coefficient can be determined according to the correlation between the second vehicle speed and the third control intensity coefficient.
- FIG. 11 shows a correlation between the second vehicle speed and the third control intensity coefficient according to an exemplary embodiment.
- the schematic diagram is shown in Figure 11, with preset thresholds q1 and q2.
- the third control intensity coefficient is q1.
- the third control intensity coefficient is q2.
- the second vehicle speed is between V3 and V4, the second vehicle speed is directly proportional to the third control intensity coefficient.
- q1 can be 1
- q2 can be 18-20
- V3 can be 90-100km/h
- V4 can be 150-160km/h.
- the fourth control intensity coefficient may be determined according to the correlation between the second accelerator pedal depth and the fourth control intensity coefficient.
- FIG. 12 shows a second accelerator pedal depth and the fourth control intensity coefficient according to an exemplary embodiment.
- the schematic diagram of the correlation relationship of coefficients is shown in Figure 12, with preset thresholds q3 and q4.
- the fourth control intensity coefficient is q4.
- the fourth control intensity coefficient is q3.
- the second accelerator pedal depth is between A3 and A4
- the second accelerator pedal depth is between A3 and A4.
- Depth is negatively correlated with the fourth control intensity coefficient, which is obtained by looking up the table.
- q3 can be 0.5-0.6
- q4 can be 1
- A3 can be 40-50%
- A4 can be 100%.
- the fifth control intensity coefficient can be determined according to the correlation between the second brake pedal depth and the fifth control intensity coefficient.
- FIG. 13 shows a second brake pedal depth and the fifth control intensity coefficient according to an exemplary embodiment.
- the schematic diagram of the correlation between the five control intensity coefficients is shown in Figure 13, with preset thresholds q5 and q6.
- the fifth control intensity coefficient is q5.
- the fifth control intensity coefficient is q6.
- the fifth control intensity coefficient is q5.
- the second brake pedal depth is positively related to the fifth control intensity coefficient, which is obtained by looking up the table.
- q5 can be 1-1.5
- q6 can be 9-10
- B5 can be 10-20%
- B6 can be 100%.
- the control intensity may be determined based on at least one of the third control intensity coefficient, the fourth control intensity coefficient, and the fifth control intensity coefficient, and the first control intensity coefficient and the second control intensity coefficient.
- the product of the first control intensity coefficient, the second control intensity coefficient and the third control intensity coefficient may be determined as the control intensity.
- the product of the first control intensity coefficient, the second control intensity coefficient, and the fourth control intensity coefficient may be determined as the control intensity.
- the control strength may be determined by multiplying the first control strength coefficient and the second control strength coefficient by subtracting the fifth control strength coefficient.
- the control intensity may be determined by multiplying the first control intensity coefficient, the second control intensity coefficient and the third control intensity coefficient and subtracting the fifth control intensity coefficient.
- the control intensity may be determined by taking the product of the first control intensity coefficient, the second control intensity coefficient and the fourth control intensity coefficient and subtracting the value of the fifth control intensity coefficient.
- the control intensity may be determined by multiplying the first control intensity coefficient, the second control intensity coefficient, the third control intensity coefficient and the fourth control intensity coefficient and subtracting the fifth control intensity coefficient.
- factors such as the second vehicle speed, the second accelerator pedal depth, and the second brake pedal depth are considered in the calculation of the control intensity, which can improve the accuracy of the control intensity, so as to ensure the drift performance of the vehicle while improving Vehicle safety.
- the method for exiting the drift mode may be:
- the drift mode is exited, and the torque of the front axle motor and the rear axle motor is controlled through the torque management system and the electronic stability control system to reduce until the electronic stability control system detects that the vehicle is in a stable state.
- a drift exit command will be generated, and the vehicle controller will control the exit of the drift mode.
- the torque management system will control the vehicle torque to rapidly decrease, and the electronic stability control system will quickly perform vehicle stability control. Until the electronic stability control system determines that the vehicle is in a stable state, allowing the vehicle to safely exit drift mode.
- the torque management system is configured to: determine the original front axle torque ratio according to the first vehicle speed;
- the front axle torque ratio is determined based on the original front axle torque ratio, the first front axle torque ratio correction coefficient and the second front axle torque ratio correction coefficient.
- the state parameter further includes at least one of a first accelerator pedal depth and a first brake pedal depth;
- the torque management system is also configured to:
- the third front axle torque proportion correction coefficient and the front axle torque proportion correction value determines the front axle torque proportion.
- the vehicle drift control system also includes an electronic stability control system
- the electronic stability control system is configured to determine a control intensity based on the state parameter, the control intensity being negatively correlated with the difficulty of the electronic stability control system entering vehicle stability control, the state parameter including a second yaw angular velocity and a second Center of mass sideslip angle.
- the electronic stability control system is configured to:
- the control intensity is determined based on the first control intensity coefficient and the second control intensity coefficient.
- the state parameter further includes at least one of a second vehicle speed, a second accelerator pedal depth, and a second brake pedal depth;
- the electronic stability control system is also configured to:
- the vehicle drift control system also includes multiple target control systems. After responding to the user's drift operation instructions, the vehicle controller is further configured to:
- the vehicle is controlled to enter the drift mode.
- the target control system includes a pre-adjustment control system
- the vehicle controller is configured to: generate a pre-adjusted control instruction
- the preset control system is configured to execute the preset control instruction so that the preset control system meets the requirements of the drift mode.
- the pre-adjusting control system includes a vehicle thermal management system
- the vehicle thermal management system is configured to control the temperature of each subsystem within a corresponding preset drift temperature range.
- the preconditioning control system also includes a battery management system
- the battery management system is configured as:
- the battery management system is configured to:
- Control the battery management system to adjust the temperature of the battery module to a first preset temperature interval, where the first preset temperature interval is the temperature interval with the highest power release efficiency of the battery module;
- the current discharge power is a preset conventional discharge power corresponding to the actual SOC, and the target discharge power is greater than the current discharge power .
- the pre-adjusting control system also includes a front motor controller and a rear motor controller;
- the front motor controller is configured to: adjust the temperature of the front axle motor to a second preset temperature interval, and adjust the current motor torque load addition and deceleration rate to a target load addition and deceleration rate;
- the front motor controller is configured to: adjust the temperature of the rear axle motor to a second preset temperature interval, and adjust the current motor torque increase and decrease rate to the target load increase and decrease rate, and the current motor torque increase and decrease rate.
- the load-reduction rate is a preset conventional load-reduction rate, and the target load-reduction rate is greater than the current motor torque load-reduction rate.
- the pre-adjustment control system includes a throttle torque control system
- the throttle torque control system is configured to switch the current throttle response curve to a preset dynamic response curve.
- the vehicle controller is further configured to:
- the control enters the rear-drive control mode, and the rear-drive control mode preferentially allocates the vehicle required torque to the rear axle motor;
- the control When it is obtained that the vehicle speed reaches the preset vehicle speed threshold, the control enters the four-wheel drive control mode.
- the four-wheel drive control mode performs torque control on the front axle motor and the rear axle motor respectively according to the front axle demand torque and the rear axle demand torque. .
- the vehicle controller is also configured to: exit the drift mode when receiving a drift exit instruction;
- the torque management system is configured to: control the torque of the front axle motor and the rear axle motor to decrease until the electronic stability control system detects that the vehicle is in a stable state;
- the electronic stability control system is configured to enter stability control of the vehicle until it is detected that the vehicle is in a stable state.
- An embodiment of the present disclosure also provides a vehicle, including the vehicle drift control system as described in the above embodiment.
- any combination of various embodiments of the present disclosure can also be carried out, and as long as they do not violate the idea of the present disclosure, they should also be regarded as the contents disclosed in the present disclosure.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
Description
Claims (17)
- 一种车辆漂移控制方法,其特征在于,包括:响应于用户的漂移操作指令,获取整车需求扭矩和所述车辆的状态参数,所述状态参数包括第一车速、第一横摆角速度和第一质心侧偏角(S201);根据所述状态参数确定前轴扭矩比例(S202);根据所述前轴扭矩比例和所述整车需求扭矩确定前轴需求扭矩和后轴需求扭矩(S203);根据所述前轴需求扭矩和所述后轴需求扭矩分别对前轴电机和后轴电机进行扭矩控制(S204)。
- 根据权利要求1所述的车辆漂移控制方法,其特征在于,所述根据所述状态参数确定前轴扭矩比例,包括:根据所述第一车速,确定原始前轴扭矩比例;根据所述第一横摆角速度,确定第一前轴扭矩比例修正系数;根据所述第一质心侧偏角,确定第二前轴扭矩比例修正系数;根据所述原始前轴扭矩比例、所述第一前轴扭矩比例修正系数和所述第二前轴扭矩比例修正系数,确定所述前轴扭矩比例。
- 根据权利要求2所述的车辆漂移控制方法,其特征在于,所述状态参数还包括第一加速踏板深度和第一制动踏板深度中的至少一者;在根据所述原始前轴扭矩比例、所述第一前轴扭矩比例修正系数和所述第二前轴扭矩比例修正系数,确定所述前轴扭矩比例之前,所述方法还包括:根据所述第一加速踏板深度,确定第三前轴扭矩比例修正系数;和/或,根据所述第一制动踏板深度,确定前轴扭矩比例修正值;所述根据所述原始前轴扭矩比例、所述第一前轴扭矩比例修正系数和所述第二前轴扭矩比例修正系数,确定所述前轴扭矩比例,包括:根据所述第三前轴扭矩比例修正系数和所述前轴扭矩比例修正值中的至少一者,以及所述原始前轴扭矩比例、所述第一前轴扭矩比例修正系数和所述第二前轴扭矩比例修正系数,确定所述前轴扭矩比例。
- 根据权利要求1所述的车辆漂移控制方法,其特征在于,所述方法还包括:根据所述状态参数确定控制强度,所述控制强度与电子稳定控制系统进入车辆稳定 控制的难度负相关,所述状态参数包括第二横摆角速度和第二质心侧偏角。
- 根据权利要求4所述的车辆漂移控制方法,其特征在于,所述根据所述状态参数确定控制强度,包括:根据所述第二横摆角速度,确定第一控制强度系数;根据所述第二质心侧偏角,确定第二控制强度系数;根据所述第一控制强度系数和所述第二控制强度系数,确定所述控制强度。
- 根据权利要求5所述的车辆漂移控制方法,其特征在于,所述状态参数还包括第二车速、第二加速踏板深度和第二制动踏板深度中的至少一者;在根据所述第一控制强度系数和所述第二控制强度系数,确定所述控制强度之前,所述方法还包括:根据所述第二车速,确定第三控制强度系数;和/或,根据所述第二加速踏板深度,确定第四控制强度系数;和/或,根据所述第二制动踏板深度,确定第五控制强度系数;所述根据所述第一控制强度系数和所述第二控制强度系数,确定所述控制强度,包括:根据所述第三控制强度系数、所述第四控制强度系数、所述第五控制强度系数中的至少一者,以及,所述第一控制强度系数和所述第二控制强度系数,确定所述控制强度。
- 根据权利要求1-6任一项所述的车辆漂移控制方法,其特征在于,在响应于用户的漂移操作指令之后,所述方法还包括:接收到漂移操作指令时,生成自检控制指令,以控制与漂移模式控制相关的多个目标控制系统进行自检,得到每一个所述目标控制系统的自检反馈信息;当所有的目标控制系统的自检反馈信息为预设合格信息时,控制车辆进入漂移模式。
- 根据权利要求7所述的车辆漂移控制方法,其特征在于,当所有的目标控制系统的自检反馈信息为预设合格信息时,所述方法还包括:生成预调控制指令(S301);所述多个目标控制系统中的至少一个预调控制系统执行所述预调控制指令,以致所述预调控制系统满足漂移模式的需求(S302)。
- 根据权利要求8所述的车辆漂移控制方法,其特征在于,所述预调控制系统包括整车热管理系统;所述多个目标控制系统中的至少一个预调控制系统执行所述预调控制指令,包括:将所述整车热管理系统中的各个子系统的温度控制在对应的预设漂移温度范围内。
- 根据权利要求8所述的车辆漂移控制方法,其特征在于,所述预调控制系统还包括电池管理系统;所述多个目标控制系统中的至少一个预调控制系统执行所述预调控制指令,包括:控制所述电池管理系统将电池的放电功率调整至目标放电功率。
- 根据权利要求10所述的车辆漂移控制方法,其特征在于,所述控制所述电池管理系统将电池的放电功率调整至目标放电功率,包括:控制所述电池管理系统将电池模块的温度调整至第一预设温度区间,该第一预设温度区间为所述电池模块的功率释放效率最高的温度区间;获取当前放电功率,控制所述电池管理系统将当前放电功率调整至目标放电功率,其中,所述当前放电功率为实际SOC对应的预设常规放电功率,所述目标放电功率大于所述当前放电功率。
- 根据权利要求8所述的车辆漂移控制方法,其特征在于,所述预调控制系统还包括前电机控制器和后电机控制器;所述多个目标控制系统中的至少一个预调控制系统执行所述预调控制指令,包括:控制所述前电机控制器将所述前轴电机的温度调整至第二预设温度区间,并将所述前电机控制器的当前电机扭矩加减载速率调整至目标加减载速率;控制所述后电机控制器将所述后轴电机的温度调整至第二预设温度区间,并将所述后电机控制器的当前电机扭矩加减载速率调整至目标加减载速率,所述当前电机扭矩加减载速率为预设常规加减载速率,所述目标加减载速率大于当前电机扭矩加减载速率。
- 根据权利要求7所述的车辆漂移控制方法,其特征在于,所述预调控制系统包括油门扭矩控制系统;所述多个目标控制系统中的至少一个预调控制系统执行所述预调控制指令,包括:所述油门扭矩控制系统将当前油门响应曲线切换至预设动力性响应曲线。
- 根据权利要求7所述的车辆漂移控制方法,其特征在于,控制车辆进入漂移模式之后,所述方法还包括:控制进入后驱控制模式,所述后驱控制模式优先将所述整车需求扭矩分配给所述后轴电机;当获取到车速达到预设车速阈值时,控制进入四驱控制模式,所述四驱控制模式根据所述前轴需求扭矩和所述后轴需求扭矩分别对前轴电机和后轴电机进行扭矩控制。
- 根据权利要求1-6任一项所述的车辆漂移控制方法,其特征在于,所述方法还包括:接收到漂移退出指令时,退出漂移模式,且通过扭矩管理系统和电子稳定控制系统控制所述前轴电机和所述后轴电机的扭矩减小,直至所述电子稳定控制系统监测到车辆处于稳定状态。
- 一种车辆漂移控制系统,其特征在于,包括:整车控制器以及与所述整车控制器连接的扭矩管理系统,所述整车控制器和所述扭矩管理系统配合,以实现权利要求1-15中任一项所述的车辆漂移控制方法。
- 一种车辆,其特征在于:其包括如权利要求16所述的车辆漂移控制系统。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025500384A JP2025521950A (ja) | 2022-07-18 | 2023-04-25 | 車両ドリフト制御方法およびシステム、ならびに車両 |
| EP23841841.2A EP4549277A4 (en) | 2022-07-18 | 2023-04-25 | VEHICLE DRIFT CONTROL METHOD AND SYSTEM, AND VEHICLE |
| US19/011,786 US12534063B2 (en) | 2022-07-18 | 2025-01-07 | Vehicle drift control method and system, and vehicle |
| MX2025000626A MX2025000626A (es) | 2022-07-18 | 2025-01-15 | Metodo y sistema de control de derrape de vehiculos y vehiculo |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210845246.3A CN117445686A (zh) | 2022-07-18 | 2022-07-18 | 一种车辆漂移控制方法、系统及车辆 |
| CN202210845246.3 | 2022-07-18 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US19/011,786 Continuation US12534063B2 (en) | 2022-07-18 | 2025-01-07 | Vehicle drift control method and system, and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024016768A1 true WO2024016768A1 (zh) | 2024-01-25 |
Family
ID=89593481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2023/090698 Ceased WO2024016768A1 (zh) | 2022-07-18 | 2023-04-25 | 一种车辆漂移控制方法、系统及车辆 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12534063B2 (zh) |
| EP (1) | EP4549277A4 (zh) |
| JP (1) | JP2025521950A (zh) |
| CN (1) | CN117445686A (zh) |
| MX (1) | MX2025000626A (zh) |
| WO (1) | WO2024016768A1 (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20250135903A1 (en) * | 2023-11-01 | 2025-05-01 | Fca Us Llc | System and method for providing drift mode on battery electric vehicle |
| US12558966B2 (en) * | 2023-11-01 | 2026-02-24 | Fca Us Llc | System and method for providing donut mode on battery electric vehicle |
| KR20250094865A (ko) * | 2023-12-19 | 2025-06-26 | 현대자동차주식회사 | 전기자동차의 구동계 토크 제어 장치 및 방법 |
| CN118701060A (zh) * | 2024-06-28 | 2024-09-27 | 比亚迪股份有限公司 | 车辆漂移控制方法、控制装置、控制系统和存储介质 |
| CN118514536B (zh) * | 2024-07-22 | 2025-10-31 | 小米汽车科技有限公司 | 车辆控制的方法、装置、车辆、存储介质及程序产品 |
| CN121448386A (zh) * | 2024-07-31 | 2026-02-03 | 比亚迪股份有限公司 | 一种车辆漂移控制方法、装置、电驱系统、车辆和介质 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190337385A1 (en) * | 2018-05-04 | 2019-11-07 | Hyundai Motor Company | Method of controlling implementation of drift driving state of vehicle |
| CN111267856A (zh) * | 2020-01-10 | 2020-06-12 | 南京理工大学 | 一种基于纵向力预分配的车辆自动漂移控制方法和系统 |
| CN111824257A (zh) * | 2019-04-23 | 2020-10-27 | 罗伯特·博世有限公司 | 漂移辅助系统及其扭矩分配比例调整装置 |
| CN114084140A (zh) * | 2021-12-20 | 2022-02-25 | 广州小鹏汽车科技有限公司 | 车辆的漂移辅助方法、装置、车辆以及存储介质 |
| US20220080837A1 (en) * | 2020-09-17 | 2022-03-17 | Ford Global Technologies, Llc | Vehicle with drift mode |
| WO2022104601A1 (zh) * | 2020-11-18 | 2022-05-27 | 浙江吉利控股集团有限公司 | 电动车四驱扭矩分配方法、系统及车辆 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62299430A (ja) * | 1986-06-18 | 1987-12-26 | Nippon Denso Co Ltd | 四輪駆動車の姿勢制御装置 |
| JP2590587B2 (ja) * | 1990-04-19 | 1997-03-12 | 三菱自動車工業株式会社 | 差動制限制御装置 |
| JP2754902B2 (ja) * | 1990-10-25 | 1998-05-20 | 株式会社デンソー | 内燃機関の冷却ファン回転速度制御装置 |
| JP3409702B2 (ja) * | 1997-07-18 | 2003-05-26 | 株式会社豊田中央研究所 | 車輪状態推定装置 |
| JP2003184599A (ja) * | 2001-12-12 | 2003-07-03 | Aisin Seiki Co Ltd | 車輌の挙動制御装置 |
| JP4311363B2 (ja) * | 2005-03-17 | 2009-08-12 | トヨタ自動車株式会社 | 蓄電システムおよび蓄電システムの異常処理方法 |
| JP2010025272A (ja) * | 2008-07-22 | 2010-02-04 | Toyota Motor Corp | 車両用動力伝達装置の制御装置 |
| JP5789996B2 (ja) * | 2011-01-28 | 2015-10-07 | 日産自動車株式会社 | ハイブリッド車両の制御装置 |
| JP6350003B2 (ja) * | 2014-06-19 | 2018-07-04 | 三菱自動車工業株式会社 | 車両の制御装置 |
| US10773708B2 (en) * | 2017-12-12 | 2020-09-15 | Ford Global Technologies, Llc | Hybrid vehicle drift control system and method |
| JP6966940B2 (ja) * | 2017-12-27 | 2021-11-17 | 株式会社Subaru | 車両の制御装置及び車両の制御方法 |
| CN110126831B (zh) * | 2019-03-21 | 2020-11-06 | 纳恩博(北京)科技有限公司 | 一种车辆漂移的控制方法、控制系统和车辆 |
| US11247561B2 (en) * | 2019-04-10 | 2022-02-15 | Akrus Inc. | Systems and methods for controlling driving dynamics in a vehicle |
| US12134394B2 (en) * | 2020-08-10 | 2024-11-05 | Toyota Research Institute, Inc. | Vehicle dynamics emulation |
| KR20220026655A (ko) * | 2020-08-25 | 2022-03-07 | 현대자동차주식회사 | 차량의 구동력 제어 시스템 |
| US11858497B2 (en) * | 2021-06-14 | 2024-01-02 | Toyota Research Institute, Inc. | Operator drift maintenance |
-
2022
- 2022-07-18 CN CN202210845246.3A patent/CN117445686A/zh active Pending
-
2023
- 2023-04-25 EP EP23841841.2A patent/EP4549277A4/en active Pending
- 2023-04-25 JP JP2025500384A patent/JP2025521950A/ja active Pending
- 2023-04-25 WO PCT/CN2023/090698 patent/WO2024016768A1/zh not_active Ceased
-
2025
- 2025-01-07 US US19/011,786 patent/US12534063B2/en active Active
- 2025-01-15 MX MX2025000626A patent/MX2025000626A/es unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190337385A1 (en) * | 2018-05-04 | 2019-11-07 | Hyundai Motor Company | Method of controlling implementation of drift driving state of vehicle |
| CN111824257A (zh) * | 2019-04-23 | 2020-10-27 | 罗伯特·博世有限公司 | 漂移辅助系统及其扭矩分配比例调整装置 |
| CN111267856A (zh) * | 2020-01-10 | 2020-06-12 | 南京理工大学 | 一种基于纵向力预分配的车辆自动漂移控制方法和系统 |
| US20220080837A1 (en) * | 2020-09-17 | 2022-03-17 | Ford Global Technologies, Llc | Vehicle with drift mode |
| WO2022104601A1 (zh) * | 2020-11-18 | 2022-05-27 | 浙江吉利控股集团有限公司 | 电动车四驱扭矩分配方法、系统及车辆 |
| CN114084140A (zh) * | 2021-12-20 | 2022-02-25 | 广州小鹏汽车科技有限公司 | 车辆的漂移辅助方法、装置、车辆以及存储介质 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4549277A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117445686A (zh) | 2024-01-26 |
| US20250145148A1 (en) | 2025-05-08 |
| EP4549277A1 (en) | 2025-05-07 |
| JP2025521950A (ja) | 2025-07-10 |
| MX2025000626A (es) | 2025-03-07 |
| EP4549277A4 (en) | 2025-10-22 |
| US12534063B2 (en) | 2026-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2024016768A1 (zh) | 一种车辆漂移控制方法、系统及车辆 | |
| CN108216240B (zh) | 用于控制四轮驱动车辆的前轮和后轮扭矩分配的方法和装置 | |
| CN106379198B (zh) | 一种驱动扭矩分配方法、装置及汽车 | |
| KR100520565B1 (ko) | 사륜 구동 전기자동차의 회생 제동 제어방법 및 시스템 | |
| JP2004099029A (ja) | 回生制動を持つ車両の制動及び操縦性制御方法及びシステム | |
| CN108791274A (zh) | 四驱车辆的扭矩分配方法、系统及车辆 | |
| CA2909848C (en) | Vehicle having multiple drive modes and method of controlling the same | |
| JP2018093645A (ja) | 電動車両の制御装置、電動車両の制御システム及び電動車両の制御方法 | |
| JP2018093646A (ja) | 電動車両の制御装置、電動車両の制御システム及び電動車両の制御方法 | |
| JP2013075556A (ja) | 車両の制動制御装置 | |
| CN112659914A (zh) | 四轮驱动电动车辆的牵引控制装置和方法 | |
| CN115071445A (zh) | 新能源车辆蠕行控制方法及系统 | |
| CN115848330A (zh) | 一种制动系统的esp稳定操控方法、系统及商用车 | |
| WO2024104375A1 (zh) | 一种四驱车辆的控制方法、装置及四驱车辆 | |
| CN111016900A (zh) | 车辆四驱控制方法及电子设备 | |
| EP4717506A1 (en) | Motor control unit, powertrain, and anti-slip control method for electric vehicle | |
| CN111824241B (zh) | 辅助转向的控制方法、装置和车辆 | |
| JP3451869B2 (ja) | 電気自動車用駆動制御装置 | |
| JP2005006395A (ja) | ハイブリッド車両の発進駆動力制御装置 | |
| CN118596875A (zh) | 一种电动汽车低附路面行驶扭矩控制方法 | |
| CN114750606B (zh) | 车辆扭矩的控制方法、装置和车辆 | |
| US8762038B2 (en) | Vehicle, in particular a hybrid vehicle | |
| JP2008162563A (ja) | ハイブリッド車両の定速走行制御装置 | |
| JP3555132B2 (ja) | 四輪駆動車の駆動力配分制御装置 | |
| US20210213936A1 (en) | System comprising a control device for a utility vehicle, as well as a method for operating a utility vehicle with the system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23841841 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2025500384 Country of ref document: JP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: MX/A/2025/000626 Country of ref document: MX |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2023841841 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 2023841841 Country of ref document: EP Effective date: 20250203 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWP | Wipo information: published in national office |
Ref document number: MX/A/2025/000626 Country of ref document: MX |
|
| WWP | Wipo information: published in national office |
Ref document number: 2023841841 Country of ref document: EP |