CN118024882A - Vehicle protection method and device - Google Patents
Vehicle protection method and device Download PDFInfo
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- CN118024882A CN118024882A CN202410180581.5A CN202410180581A CN118024882A CN 118024882 A CN118024882 A CN 118024882A CN 202410180581 A CN202410180581 A CN 202410180581A CN 118024882 A CN118024882 A CN 118024882A
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 230000009471 action Effects 0.000 claims abstract description 53
- 238000004364 calculation method Methods 0.000 claims description 41
- 238000012423 maintenance Methods 0.000 claims description 26
- 238000004590 computer program Methods 0.000 claims description 8
- 238000009825 accumulation Methods 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 15
- 238000011002 quantification Methods 0.000 abstract description 5
- 231100000817 safety factor Toxicity 0.000 abstract description 5
- 230000001960 triggered effect Effects 0.000 abstract description 2
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- 230000006870 function Effects 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 9
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- 238000012545 processing Methods 0.000 description 7
- 238000005461 lubrication Methods 0.000 description 6
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- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
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- 239000000498 cooling water Substances 0.000 description 2
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Classifications
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
-
- 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
- B60L2240/421—Speed
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- 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
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- 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
- B60L2240/425—Temperature
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- 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
- B60L2240/48—Drive Train control parameters related to transmissions
-
- 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
- B60L2240/48—Drive Train control parameters related to transmissions
- B60L2240/485—Temperature
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The application provides a vehicle protection method and a device, wherein the method is applied to the technical field of vehicle safety, and comprises the following steps: acquiring at least one damage influence parameter of at least one vehicle part, and calculating a damage accumulated value of each vehicle part according to the at least one damage influence parameter; judging whether the damage accumulated value is larger than or equal to a preset safety value; if the damage accumulated value is greater than or equal to the preset safety value, controlling the vehicle part which is greater than or equal to the preset safety value to enter a protection mode, generating a protection action of the vehicle part, and executing the protection action until the vehicle part exits the protection mode. According to the method, safety factors such as damage values of vehicle parts can be calculated according to the whole vehicle data, and a protection strategy is triggered when the damage values reach the limit value, so that the reliability quantification of the vehicle body system components is realized, the monitoring and protection of the vehicle safety are ensured, and the method is more reliable and practical.
Description
Technical Field
The present application relates to the field of vehicle safety, and more particularly, to a method and apparatus for protecting a vehicle in the field of vehicle safety.
Background
With the continuous expansion and updating of new energy vehicle markets, the product performance of the new energy vehicle is well developed in the direction of intellectualization and high power, and the development of the intelligent safety protection function of the whole vehicle driving part is particularly important for the new energy vehicle with high electrification and integration of the driving system.
In the related art, real-time damage of a vehicle in a driving process can be estimated based on an actual driving environment of the vehicle by constructing a finite element model of the vehicle part, so as to obtain damage analysis results of different parts of the vehicle.
However, in the related art, only external environmental factors are involved in part damage evaluation, whole vehicle operation data of a vehicle are not considered, corresponding damage degree and fatigue level cannot be evaluated aiming at actual working parameters of the vehicle parts, the operation temperature of a driving system in vehicle operation is not enough to be combined with whole vehicle safety analysis, comprehensive analysis of vehicle driving safety cannot be carried out according to the part damage degree and the whole vehicle operation temperature, accurate and comprehensive quantitative calculation of reliability of the vehicle body parts is difficult to realize, reliability of vehicle safety monitoring is insufficient, and the problem is to be solved.
Disclosure of Invention
The application provides a vehicle protection method and device, which can calculate safety factors such as damage values of vehicle parts according to vehicle data, trigger a protection strategy when the damage values reach a limit value so as to realize the reliability quantification of vehicle body system parts, ensure the monitoring and protection of vehicle safety, have higher reliability and practicability, and solve the problems that in the related technology, the damage assessment of the parts only involves external environment factors, the vehicle operation data of the vehicle is not considered, the corresponding damage degree and fatigue level cannot be assessed according to the actual operation parameters of the vehicle parts, the operation temperature of a driving system and the vehicle safety analysis are not combined sufficiently, the comprehensive analysis of the vehicle driving safety cannot be carried out according to the damage degree of the parts and the vehicle operation temperature, the accurate and comprehensive quantitative calculation of the reliability of the vehicle body parts is difficult to realize, the reliability of the vehicle safety monitoring is insufficient and the like.
In a first aspect, a method for protecting a vehicle is provided, the method comprising: acquiring at least one damage influence parameter of at least one vehicle part, and calculating a damage accumulated value of each vehicle part according to the at least one damage influence parameter;
judging whether the damage accumulated value is larger than or equal to a preset safety value or not; and
And if the damage accumulated value is greater than or equal to the preset safety value, controlling the vehicle part which is greater than or equal to the preset safety value to enter a protection mode, generating a protection action of the vehicle part, and executing the protection action until the vehicle part exits the protection mode.
Through the technical scheme, safety factors such as the damage value of the vehicle part can be calculated according to the whole vehicle data, and a protection strategy is triggered when the damage value reaches the limit value, so that the reliability quantification of the vehicle body system components is realized, the monitoring and protection of the vehicle safety are ensured, and the vehicle safety monitoring system has reliability and practicability.
With reference to the first aspect, in some possible implementations, the method further includes:
Acquiring a current temperature of the at least one vehicle part;
And controlling the vehicle parts which are larger than or equal to the preset temperature threshold to enter the protection mode under the condition that the current temperature of the at least one vehicle part is larger than or equal to the preset temperature threshold.
Through the technical scheme, the vehicle part with the temperature greater than or equal to the preset temperature threshold can be controlled to enter the protection mode under the condition that the current temperature of at least one vehicle part is greater than or equal to the preset temperature threshold, so that the real-time protection and monitoring of the vehicle temperature are realized, and the vehicle part is ensured to work in a safe temperature range.
With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the generating a protection action of the vehicle part and performing the protection action includes:
calculating a target temperature derate for the at least one vehicle component from the current temperature;
And generating a rotation speed output limit value and a torque output limit value of the vehicle based on the target temperature derate, and performing output limitation on the vehicle based on the rotation speed output limit value and the torque output limit value.
Through the technical scheme, the target temperature derating and the output limitation on the vehicle can be calculated, so that the temperature and stress conditions of the vehicle parts are effectively reduced, the risks of faults and damage are reduced, the service life of the vehicle parts is prolonged, the risk of faults of the vehicle parts is reduced, and the safety of the vehicle in the running process is ensured.
With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the obtaining at least one damage influencing parameter of at least one vehicle part, calculating a damage accumulated value of each vehicle part according to the at least one damage influencing parameter includes:
detecting an identity of the at least one vehicle part;
And matching the damage influence parameters corresponding to the at least one vehicle part based on the identification mark so as to respectively calculate the damage accumulated value of each vehicle part by utilizing the damage influence parameters corresponding to each vehicle part.
Through the technical scheme, the damage influence parameters corresponding to at least one vehicle part can be matched through detecting the identity of the at least one vehicle part, so that the damage accumulated value of each vehicle part is calculated by utilizing the damage influence parameters corresponding to each vehicle part, and the accurate acquisition of the specific damage influence parameters of each vehicle part is ensured through the matching of the identity, so that the accuracy of the calculation of the damage accumulated value is ensured.
With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the matching, based on the identity, a damage influencing parameter corresponding to the at least one vehicle part includes:
under the condition that the identity mark is a motor workpiece, determining that the corresponding damage influence parameters comprise at least one of the current motor rotating speed, the current motor torque, a first preset damage coefficient and the accumulated working time of the motor;
Under the condition that the identity mark is a gear workpiece, determining that the corresponding damage influence parameters comprise at least one of the current gear rotating speed, the current gear torque, a second preset damage coefficient and the accumulated working time of the gear;
And under the condition that the identity mark is the bearing workpiece, determining that the corresponding damage influence parameter comprises at least one of the current bearing load, a third preset damage coefficient and the accumulated working time of the bearing.
Through the technical scheme, the damage influence parameters of the corresponding parts can be respectively obtained under the condition that the identity of the vehicle part is the motor, the gear and the bearing workpiece, so that the damage accumulated values of different parts are calculated according to different damage influence parameters, the accurate quantitative monitoring of different parts is facilitated, the influence of human subjective factors on the safety evaluation can be reduced, and the accuracy and the reliability of the safety evaluation are improved.
With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the generating a protection action of the vehicle part and performing the protection action includes:
Calculating a target rotational speed and a target torque of the vehicle from the damage integrated value;
An output derate protection action is generated based on the target rotational speed and target torque to perform the output derate protection action, limiting the rotational speed output and torque output of the vehicle to the target rotational speed and the target torque.
Through the technical scheme, the output derating protection action can be generated based on the target rotating speed and the target torque so as to limit the rotating speed output and the torque output of the vehicle, thereby effectively protecting damaged vehicle parts, reducing the risk of further damage, dynamically adjusting the output according to the damage condition and the target parameter of the vehicle parts in real time, and protecting the vehicle parts under the condition that the running of the vehicle is not influenced as much as possible.
With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the generating a protection action of the vehicle part and performing the protection action includes:
Generating maintenance recommendations and/or service prompts for the at least one vehicle component based on the damage accumulation value;
Generating corresponding reminding information according to the maintenance advice and/or the maintenance prompt, and sending the reminding information to at least one target interaction device.
Through the technical scheme, the vehicle owner or the manager can be timely reminded of repairing and maintaining through the damage accumulated value, the vehicle parts are timely maintained under the damage condition, faults and accidents caused by the damage of the vehicle parts are reduced, the vehicle owner or the manager can timely know the condition of the vehicle, and the control feeling and the safety feeling of the vehicle are improved.
In a second aspect, there is provided a protection device for a vehicle, the device comprising: the calculation module is used for acquiring at least one damage influence parameter of at least one vehicle part and calculating the damage accumulated value of each vehicle part according to the at least one damage influence parameter;
The judging module is used for judging whether the damage accumulated value is larger than or equal to a preset safety value; and
And the protection module is used for controlling the vehicle part which is larger than or equal to the preset safety value to enter a protection mode if the damage accumulated value is larger than or equal to the preset safety value, generating the protection action of the vehicle part, and executing the protection action until the vehicle part exits from the protection mode.
With reference to the second aspect, in some possible implementations, the apparatus further includes:
an acquisition module for acquiring a current temperature of the at least one vehicle part;
And the control module is used for controlling the vehicle parts which are larger than or equal to the preset temperature threshold to enter the protection mode under the condition that the current temperature of the at least one vehicle part is larger than or equal to the preset temperature threshold.
With reference to the second aspect and the foregoing implementation manner, in some possible implementation manners, the protection module includes:
a first calculation unit for calculating a target temperature derate of the at least one vehicle part from the current temperature;
And a first limiting unit configured to generate a rotation speed output limit value and a torque output limit value of the vehicle based on the target temperature derate, and to output-limit the vehicle based on the rotation speed output limit value and the torque output limit value.
With reference to the second aspect and the foregoing implementation manner, in some possible implementation manners, the computing module includes:
the detection unit is used for detecting the identity of the at least one vehicle part;
And the matching unit is used for matching the damage influence parameters corresponding to the at least one vehicle part based on the identity mark so as to respectively calculate the damage accumulated value of each vehicle part by utilizing the damage influence parameters corresponding to each vehicle part.
With reference to the second aspect and the foregoing implementation manner, in some possible implementation manners, the matching unit is specifically configured to:
under the condition that the identity mark is a motor workpiece, determining that the corresponding damage influence parameters comprise at least one of the current motor rotating speed, the current motor torque, a first preset damage coefficient and the accumulated working time of the motor;
Under the condition that the identity mark is a gear workpiece, determining that the corresponding damage influence parameters comprise at least one of the current gear rotating speed, the current gear torque, a second preset damage coefficient and the accumulated working time of the gear;
And under the condition that the identity mark is the bearing workpiece, determining that the corresponding damage influence parameter comprises at least one of the current bearing load, a third preset damage coefficient and the accumulated working time of the bearing.
With reference to the second aspect and the foregoing implementation manner, in some possible implementation manners, the protection module includes:
A second calculation unit configured to calculate a target rotational speed and a target torque of the vehicle from the damage integrated value;
and a second limiting unit configured to generate an output derate protection action based on the target rotational speed and the target torque to perform the output derate protection action, limiting the rotational speed output and the torque output of the vehicle to the target rotational speed and the target torque.
With reference to the second aspect and the foregoing implementation manner, in some possible implementation manners, the protection module includes:
A generating unit for generating maintenance and/or repair prompts for the at least one vehicle part based on the damage accumulation value;
And the reminding unit is used for generating corresponding reminding information according to the maintenance advice and/or the maintenance advice and sending the reminding information to at least one target interaction device.
In a third aspect, there is provided a vehicle comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being arranged to perform the method of the first aspect or any one of the possible implementations of the first aspect.
In a fourth aspect, a computer readable storage medium is provided, the computer readable storage medium storing computer program code which, when run on a computer, causes the computer to perform the method of the first aspect or any one of the possible implementations of the first aspect.
In a fifth aspect, a computer program is provided which, when executed, implements the method of the first aspect or any one of the possible implementations of the first aspect.
Drawings
FIG. 1 is a schematic diagram of a vehicle protection logic according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method of protecting a vehicle according to an embodiment of the invention;
FIG. 3 is a schematic diagram of calculation logic of a motor damage accumulated value according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of calculation logic of a gear damage cumulative value and a bearing damage cumulative value according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a calculation logic of a current temperature of a stator of a motor according to an embodiment of the present invention;
FIG. 6 is a schematic view of a vehicle protection device according to an embodiment of the present invention;
fig. 7 is a schematic view of a vehicle according to an embodiment of the invention.
Detailed Description
The technical scheme of the application will be clearly and thoroughly described below with reference to the accompanying drawings. Wherein, in the description of the embodiments of the present application, unless otherwise indicated, "/" means or, for example, a/B may represent a or B: the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: the three cases where a exists alone, a and B exist together, and B exists alone, and furthermore, in the description of the embodiments of the present application, "plural" means two or more than two.
The terms "first," "second," and the like, are used below for descriptive purposes only and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The conventional new energy vehicle products often carry out maintenance and repair on the vehicle according to a fixed period or by autonomous selection of users, but a driving system of the new energy vehicle is highly electrified and integrated, so that excessive temperature of vehicle parts is required to be prevented, durability of the parts is ensured, and the reliability of the whole vehicle is improved, so that real-time protection of the vehicle parts is required.
The logic architecture of an embodiment of the present application will be described. Referring to fig. 1, an architecture schematic diagram of a vehicle protection logic according to an embodiment of the present application may first obtain vehicle data including a motor speed, a motor torque, an engine speed, an engine torque, a motor current, a controller voltage, a controller current, a clutch slip speed, a clutch slip torque, a gear, a lubrication flow of each component, a controller cooling water temperature, a controller cooling water flow, a lubrication oil temperature, an absolute time, and the like of a vehicle by using a vehicle data platform.
By utilizing the whole vehicle data platform, real-time damage calculation and temperature calculation can be further executed, and the real-time damage calculation comprises: real-time damage calculation of a motor, real-time damage calculation of a gear and real-time damage calculation of a bearing; the temperature calculation includes: motor stator temperature X1 calculation, motor rotor temperature X2 calculation, bearing temperature X3 calculation, gear temperature X4 calculation, clutch temperature X5 calculation, IGBT (Insulated Gate Bipolar Transistor) temperature X6 calculation, film capacitance temperature X7 calculation. After obtaining the real-time damage calculation result, the implementation damage data may be used to perform cumulative damage calculation, including: and calculating motor accumulated damage Y1, gear accumulated damage Y2 and bearing accumulated damage Y3.
The results X and Y may be arbitrated for the resulting cumulative damage Y and temperature X of the various components of the vehicle based on the target damage and target temperature, respectively, set in advance. If the current accumulated damage of any part is smaller than the target damage, recalculating real-time damage, and if the current accumulated damage of any part is greater than or equal to the target damage, reminding a customer to maintain and repair and derate the vehicle on the control panel; if any current part temperature is less than the target temperature, the current part temperature is recalculated, and if any current part temperature is greater than or equal to the target temperature, derating protection is carried out on the vehicle, so that real-time monitoring of the reliability of the vehicle part is realized by utilizing various whole vehicle data, and corresponding protection measures are adopted for the vehicle according to the monitoring result.
Fig. 2 is a schematic flow chart of a method for protecting a vehicle according to an embodiment of the present application.
Illustratively, as shown in FIG. 2, the method includes:
In step S101, at least one damage influencing parameter of at least one vehicle part is acquired, and a damage cumulative value for each vehicle part is calculated from the at least one damage influencing parameter.
It may be understood that in the embodiment of the present application, the vehicle part may be a key part for running each function of the vehicle, for example, a motor, a gear, a bearing, and other key parts of a vehicle driving system, the damage influencing parameter may be a working parameter of the vehicle part during the running process of the function, and the damage influencing parameter may be extracted from the whole vehicle data platform.
For example, the whole vehicle data platform can be a pre-built user cloud service platform, so that the real-time acquisition and recording of the working parameters of each part of the vehicle generated in the process of driving the vehicle by the user can be realized, the real-time driving data of the user can be recorded at the cloud server side by utilizing the whole vehicle data platform, and the damage influence parameters required by the calculation of the damage accumulated value can be called. Specifically, the damage influencing parameters extracted by the whole vehicle data platform may include: the damage accumulated value of the vehicle part can be obtained by integrating the implementation damage value according to the accumulated working time of the vehicle part by utilizing the extracted damage influence parameters. The damage influence parameters of the vehicle parts are accurately obtained, and the damage accumulated value is calculated, so that the damage degree of the vehicle parts can be accurately reflected.
Optionally, obtaining at least one damage influencing parameter of at least one vehicle part, calculating a damage cumulative value of each vehicle part according to the at least one damage influencing parameter, including: detecting an identity of at least one vehicle part; and matching the damage influence parameters corresponding to at least one vehicle part based on the identification so as to respectively calculate the damage accumulated value of each vehicle part by utilizing the damage influence parameters corresponding to each vehicle part.
In the actual execution process, identity recognition can be firstly performed on each vehicle part, namely the actual name and the actual function of the part are obtained, different damage influence parameters and damage accumulated value calculation methods corresponding to different vehicle parts are matched based on the identity identification of different vehicle parts, and corresponding calculation formulas can be used for processing each damage influence parameter and obtaining the damage accumulated value of each part.
According to the embodiment of the application, the damage accumulated value of each vehicle part can be calculated by detecting that the identity of at least one vehicle part is matched with the damage influence parameter corresponding to at least one vehicle part so as to utilize the damage influence parameter corresponding to each vehicle part, and the accurate acquisition of the damage influence parameter of each vehicle part is ensured by the matching of the identity, so that the accuracy of the calculation of the damage accumulated value is ensured.
Optionally, matching the damage influencing parameter corresponding to the at least one vehicle part based on the identity comprises: under the condition that the identity mark is a motor workpiece, determining that the corresponding damage influence parameters comprise at least one of the current motor rotating speed, the current motor torque, a first preset damage coefficient and the accumulated working time of the motor; under the condition that the identity mark is a gear workpiece, determining that the corresponding damage influence parameters comprise at least one of the current gear rotating speed, the current gear torque, a second preset damage coefficient and the accumulated working time of the gear; and under the condition that the identity mark is the bearing workpiece, determining that the corresponding damage influence parameter comprises at least one of the current bearing load, a third preset damage coefficient and the accumulated working time of the bearing.
It should be noted that the first preset damage coefficient, the second preset damage coefficient, and the third preset damage coefficient are set by those skilled in the art according to actual situations, and are not specifically limited herein.
In the actual execution process, under the condition that the identity of at least one vehicle part is a motor workpiece, the calculation logic of the motor damage accumulated value is shown in fig. 3, the current motor rotating speed, the current motor torque, the first preset damage coefficient and the motor accumulated working time can be obtained, and the motor real-time damage value is as follows:
Wherein k 1 is a first preset damage coefficient, and the damage accumulated value of the motor can be obtained by integrating the motor accumulated working time with the motor in real time.
Fig. 4 is a schematic diagram of calculation logic of the gear damage cumulative value and the bearing damage cumulative value according to the embodiment of the invention. Under the condition that the identity of at least one vehicle part is a gear workpiece, the current gear rotating speed, the current gear torque, the second preset damage coefficient and the gear accumulated working time can be obtained, wherein the gear rotating speed and the gear torque can be calculated by the engine torque, the engine rotating speed, the motor torque and the motor rotating speed, and the real-time damage value of the gear is as follows:
And k 2 is a second preset damage coefficient, and the damage accumulated value of the gear can be calculated by integrating the real-time damage of the gear by the accumulated working time of the gear. And under the condition that the identity of at least one vehicle part is a bearing workpiece, the gear meshing force can be decomposed based on the gear meshing torque, and then the gear meshing force is decomposed into bearing loads according to bearing arrangement, so that the current bearing loads, a third preset damage coefficient and the accumulated working time of the bearing are obtained, and the real-time damage value of the bearing is as follows:
and k 3 is a third preset damage coefficient, and the damage accumulated value of the bearing can be calculated by integrating the real-time damage of the bearing through the accumulated working time of the bearing.
According to the embodiment of the application, the damage influence parameters of the corresponding parts can be respectively obtained under the condition that the identity of the vehicle part is the motor, the gear and the bearing workpiece, so that the damage accumulated values of different parts are calculated according to different damage influence parameters, accurate quantitative monitoring of different parts is facilitated, the influence of human subjective factors on safety evaluation can be reduced, and the accuracy and reliability of the safety evaluation are improved.
In step S102, it is determined whether the damage accumulated value is greater than or equal to a preset safety value.
It should be noted that the preset safety value is set by a person skilled in the art according to the actual situation, and is not specifically limited herein.
It will be appreciated that in embodiments of the present application, the predetermined safety value may be a damage accumulation threshold for each part, and that parts having damage accumulation values greater than or equal to the predetermined safety value may be considered to present operational and operational risks.
For example, the damage cumulative value of each vehicle part may be compared according to the damage cumulative value of each vehicle part obtained in the above steps and according to a preset safety value of each part. If the damage accumulated value is larger than or equal to the preset safety value, the vehicle part is considered to be up to or exceeding the limit of safe use, and potential safety hazards can be found in advance through real-time monitoring of the damage condition of the vehicle part.
In step S103, if the damage accumulated value is greater than or equal to the preset safety value, the vehicle part greater than or equal to the preset safety value is controlled to enter a protection mode, a protection action of the vehicle part is generated, and the protection action is executed until the vehicle part exits the protection mode.
It may be understood that in the embodiment of the present application, the damage accumulated value determination result of each vehicle part obtained in the above steps may be utilized, where the vehicle part is identified as having a potential safety hazard when the damage accumulated value is greater than or equal to a preset safety value, and the corresponding vehicle part is placed in a protection mode, so as to generate a corresponding protection action according to the type and specific situation of the vehicle part, such as sending an alarm signal, limiting the vehicle use range, and the like, and finally execute the generated protection action, so as to ensure the safety of the vehicle and the passengers, for example, cutting off the power supply, stopping running, sending alarm information, and the like, where the specific action is determined according to the actual situation. Under the condition that the safety problem of the vehicle part is confirmed to be solved, namely the damage accumulated value of the vehicle part is reduced to be within a safety range, the vehicle part is controlled to automatically exit the protection mode, and the normal working state is restored. By the technical scheme, the vehicle parts with potential safety hazards are timely identified, corresponding protection actions are executed, and the risk of accidents is reduced.
Optionally, the method further comprises: acquiring a current temperature of at least one vehicle part: and controlling the vehicle parts which are larger than or equal to the preset temperature threshold to enter a protection mode under the condition that the current temperature of at least one vehicle part is larger than or equal to the preset temperature threshold.
It should be noted that the preset temperature threshold is set by a person skilled in the art according to the actual situation, and is not specifically limited herein.
In the actual implementation process, the current temperature of the vehicle part, such as the current temperature of key parts including the motor stator temperature, the motor rotor temperature, the bearing temperature, the gear temperature, the clutch temperature, the IGBT (Insulated Gate Bipolar Transistor) temperature, the film capacitor temperature and the like, can be calculated first.
Specifically, taking a motor stator as an example, as shown in fig. 5, a calculation logic diagram of a current temperature of the motor stator according to an embodiment of the present invention may obtain a current motor rotation speed, a current motor torque, a current stator lubrication flow, a current stator lubrication oil temperature, and a last-time stator temperature, and look up a table based on the stator lubrication flow and the lubrication oil temperature to obtain a heat exchange coefficient Map, where the heat exchange coefficient Map may be extracted through calibration or simulation. The heat exchange quantity of the oil liquid and the stator is as follows:
Heat exchange coefficient heat exchange area stator and oil temperature difference=oil and stator heat exchange amount,
The stator heat generation quantity can be obtained by checking the motor heat generation MAP through the motor rotation speed and the torque, and the stator heat absorption quantity and the stator temperature rise are as follows:
stator heat generation-stator and oil heat exchange = stator heat absorption,
Stator temperature rise = stator absorbed heat/stator heat capacity,
Wherein, the stator heat capacity is the product of stator mass and stator specific heat capacity, and the stator temperature is:
Stator temperature = last step stator temperature + stator temperature rise,
Based on the algorithm logic, the stator temperature can be calculated in real time, and the current stator temperature is obtained. The other component temperature calculation logic is the same as the stator temperature calculation logic. After the current temperature of at least one vehicle part is calculated, detecting whether the current temperature is greater than or equal to a preset temperature threshold value, controlling the vehicle part which is greater than or equal to the preset temperature threshold value to enter a protection mode, generating a protection action of the vehicle part according to the actual current temperature, executing the protection action until the current temperature of the vehicle part is less than the preset temperature threshold value, and exiting the protection mode.
According to the embodiment of the application, under the condition that the current temperature of at least one vehicle part is greater than or equal to the preset temperature threshold value, the vehicle part which is greater than or equal to the preset temperature threshold value is controlled to enter the protection mode, so that the real-time protection and monitoring of the vehicle temperature are realized, and the vehicle part is ensured to work in a safe temperature range.
Optionally, generating a protection action for the vehicle part and performing the protection action includes: calculating a target temperature derate for at least one vehicle component from the current temperature; a rotational speed output limit value and a torque output limit value of the vehicle are generated based on the target temperature derate, and the vehicle is output-limited based on the rotational speed output limit value and the torque output limit value.
In the actual execution process, the target temperature derate may be calculated according to the current temperature and the characteristics of the vehicle part, and the target temperature derate may be a derate value capable of reducing the current temperature of the vehicle part to the normal operating temperature. Based on the target temperature derating, corresponding rotation speed output limiting values and torque output limiting values can be generated according to the working characteristics and material parameters of the vehicle parts, so that the vehicle parts are prevented from being subjected to excessive pressure and load under the condition of temperature reduction, the vehicle is further output limited according to the rotation speed output limiting values and the torque output limiting values, and the power output of the vehicle can be controlled within a safe range by adjusting the output parameters of a power system of the vehicle.
According to the embodiment of the application, the target temperature derating and the output limitation on the vehicle can be calculated, so that the temperature and stress conditions of the vehicle parts are effectively reduced, the risks of faults and damage are reduced, the service life of the vehicle parts is prolonged, the risk of faults of the vehicle parts is reduced, and the safety of the vehicle in the running process is ensured.
Optionally, generating a protection action for the vehicle part and performing the protection action includes: calculating a target rotational speed and a target torque of the vehicle from the damage accumulated value; an output derate protection action is generated based on the target rotational speed and the target torque to perform the output derate protection action, limiting the rotational speed output and the torque output of the vehicle to the target rotational speed and the target torque.
In the actual execution process, under the condition that the vehicle part is a driving output related part, according to the damage accumulated value of each vehicle part obtained by the steps, the performance of each part is comprehensively analyzed and calculated by utilizing a corresponding mathematical or physical model in combination with the working characteristics and material parameters of the vehicle part, and the target rotating speed and the target torque of the vehicle are calculated, so that the target rotating speed and the target torque can be ensured to effectively protect the vehicle part from further damage. And generating a corresponding output derate protection action based on the target rotational speed and the target torque to ensure that the rotational speed output and the torque output are limited within the target rotational speed and the target torque range, and the operation of the vehicle can be ensured within a safe range by adjusting a power transmission system, an engine control system and the like of the vehicle.
The embodiment of the application can generate output derate protection action based on the target rotating speed and the target torque to limit the rotating speed output and the torque output of the vehicle, thereby effectively protecting damaged vehicle parts, reducing the risk of further damage, dynamically adjusting the output according to the damage condition and the target parameter of the vehicle parts in real time and protecting the vehicle parts under the condition of not influencing the running of the vehicle as much as possible.
Optionally, generating a protection action for the vehicle part and performing the protection action includes: generating maintenance recommendations and/or service prompts for at least one vehicle component based on the damage accumulation value; and generating corresponding reminding information according to the maintenance proposal and/or the maintenance prompt, and sending the reminding information to at least one target interaction device.
In the actual implementation process, corresponding maintenance suggestions and maintenance prompts can be generated by utilizing preset rules and algorithms according to the damage accumulated value of the vehicle part, for example, the performance, damage condition, historical maintenance record and the like of the vehicle part are analyzed to determine whether maintenance or maintenance is needed. And then based on the maintenance suggestion and the maintenance prompt, corresponding reminding information is generated to warn the vehicle owner or the vehicle manager, and the reminding information can comprise the contents of the maintenance suggestion, the maintenance prompt, the maintenance place recommendation and the like so that a user can take action in time. Finally, reminding information is sent to the car owner or manager through target interaction equipment, such as a vehicle-mounted information display screen, a mobile phone App and the like, so that the information can be sent to the target equipment accurately in real time.
According to the embodiment of the application, the vehicle owner or the manager can be timely reminded of repairing and maintaining through the damage accumulated value, the vehicle parts are timely maintained under the damage condition, faults and accidents caused by the damage of the vehicle parts are reduced, the vehicle owner or the manager can timely know the condition of the vehicle, and the control feeling and the safety feeling of the vehicle are improved.
In summary, the application calculates the damage value and other safety factors of the vehicle parts according to the whole vehicle data, and triggers the protection strategy when the damage value reaches the limit value, so as to realize the reliability quantification of the vehicle body system components, ensure the monitoring and protection of the vehicle safety, have higher reliability and practicability, and solve the problems that the part damage assessment only involves external environment factors, the whole vehicle operation data of the vehicle is not considered, the corresponding damage degree and fatigue level cannot be assessed aiming at the actual operation parameters of the vehicle parts, the combination of the operation temperature of the driving system and the whole vehicle safety analysis in the vehicle operation is insufficient, the comprehensive analysis of the vehicle driving safety cannot be carried out according to the damage degree of the parts and the whole vehicle operation temperature, the accurate and comprehensive quantitative calculation of the reliability of the vehicle body parts is difficult to realize, the reliability of the vehicle safety monitoring is insufficient and the like.
Fig. 6 is a schematic structural view of a protection device for a vehicle according to an embodiment of the present application.
For example, as shown in fig. 6, the apparatus 10 may include:
The calculation module 100: the damage control method comprises the steps of obtaining at least one damage influence parameter of at least one vehicle part, and calculating a damage accumulated value of each vehicle part according to the at least one damage influence parameter;
the judging module 200: the method is used for judging whether the damage accumulated value is larger than or equal to a preset safety value;
protection module 300: and if the damage accumulated value is greater than or equal to the preset safety value, controlling the vehicle part which is greater than or equal to the preset safety value to enter a protection mode, generating a protection action of the vehicle part, and executing the protection action until the vehicle part exits the protection mode.
Optionally, the apparatus 10 further comprises:
The acquisition module is used for: for obtaining a current temperature of at least one vehicle part;
and the control module is used for: for controlling the vehicle part that is greater than or equal to the preset temperature threshold to enter the protection mode in case the current temperature of the at least one vehicle part is greater than or equal to the preset temperature threshold.
Optionally, the protection module 300 includes:
A first calculation unit: for calculating a target temperature derate for at least one vehicle part from the current temperature;
A first limiting unit: for generating a rotational speed output limit value and a torque output limit value of the vehicle based on the target temperature derate, and performing output limitation on the vehicle based on the rotational speed output limit value and the torque output limit value.
Optionally, the computing module 100 includes:
And a detection unit: for detecting an identity of at least one vehicle part;
Matching unit: the damage influence parameters corresponding to at least one vehicle part are matched based on the identification, so that the damage accumulated value of each vehicle part is calculated by utilizing the damage influence parameters corresponding to each vehicle part.
Optionally, the matching unit is specifically configured to:
Under the condition that the identity mark is a motor workpiece, determining that the corresponding damage influence parameters comprise at least one of the current motor rotating speed, the current motor torque, a first preset damage coefficient and the accumulated working time of the motor;
Under the condition that the identity mark is a gear workpiece, determining that the corresponding damage influence parameters comprise at least one of the current gear rotating speed, the current gear torque, a second preset damage coefficient and the accumulated working time of the gear;
and under the condition that the identity mark is the bearing workpiece, determining that the corresponding damage influence parameter comprises at least one of the current bearing load, a third preset damage coefficient and the accumulated working time of the bearing.
Optionally, the protection module 300 includes:
A second calculation unit: for calculating a target rotational speed and a target torque of the vehicle from the damage integrated value;
A second limiting unit: for generating an output derate protection action based on the target rotational speed and the target torque to perform the output derate protection action, limiting the rotational speed output and the torque output of the vehicle to the target rotational speed and the target torque.
Optionally, the protection module 300 includes:
a generation unit: generating maintenance recommendations and/or service prompts for at least one vehicle component based on the damage accumulation value;
a reminding unit: the method is used for generating corresponding reminding information according to the maintenance prompt and/or the maintenance prompt, and sending the reminding information to at least one target interaction device.
It should be noted that, the specific implementation manner of the protection device for a vehicle in the embodiment of the present invention is similar to the specific implementation manner of the protection method for a vehicle, and in order to reduce redundancy, a description is omitted here.
In summary, the application calculates the damage value and other safety factors of the vehicle parts according to the whole vehicle data, and triggers the protection strategy when the damage value reaches the limit value, so as to realize the reliability quantification of the vehicle body system components, ensure the monitoring and protection of the vehicle safety, have higher reliability and practicability, and solve the problems that the part damage assessment only involves external environment factors, the whole vehicle operation data of the vehicle is not considered, the corresponding damage degree and fatigue level cannot be assessed aiming at the actual operation parameters of the vehicle parts, the combination of the operation temperature of the driving system and the whole vehicle safety analysis in the vehicle operation is insufficient, the comprehensive analysis of the vehicle driving safety cannot be carried out according to the damage degree of the parts and the whole vehicle operation temperature, the accurate and comprehensive quantitative calculation of the reliability of the vehicle body parts is difficult to realize, the reliability of the vehicle safety monitoring is insufficient and the like.
Fig. 7 is a schematic structural diagram of a vehicle according to an embodiment of the present application.
It should be appreciated that the method described above may be applied to a vehicle having the configuration shown in fig. 7.
In addition, the embodiment of the application also protects a device, which can comprise a memory and a processor, wherein executable program codes are stored in the memory, and the processor is used for calling and executing the executable program codes to execute the method for protecting the vehicle provided by the embodiment of the application.
In this embodiment, the functional modules of the apparatus may be divided according to the above method example, for example, each functional module may be corresponding to one processing module, or two or more functions may be integrated into one processing module, where the integrated modules may be implemented in a hardware form. It should be noted that, in this embodiment, the division of the modules is schematic, only one logic function is divided, and another division manner may be implemented in actual implementation.
In the case of dividing each functional module by corresponding each function, the apparatus may further include a calculation module, a judgment module, a protection module, and the like. It should be noted that, all relevant contents of each step related to the above method embodiment may be cited to the functional description of the corresponding functional module, which is not described herein.
It should be understood that the apparatus provided in this embodiment is used to perform the protection method of the vehicle described above, and thus the same effects as those of the implementation method described above can be achieved.
In case of an integrated unit, the apparatus may comprise a processing module, a memory module. Wherein, when the device is applied to a vehicle, the processing module can be used for controlling and managing the action of the vehicle. The memory module may be used to support the vehicle in executing mutual program code, etc.
Wherein a processing module may be a processor or controller that may implement or execute the various illustrative logical blocks, modules, and circuits described in connection with the present disclosure. A processor may also be a combination of computing functions, including for example one or more microprocessors, digital Signal Processing (DSP) and microprocessor combinations, etc., and a memory module may be a memory.
In addition, the device provided by the embodiment of the application can be a chip, a component or a module, wherein the chip can comprise a processor and a memory which are connected; the memory is used for storing instructions, and when the processor calls and executes the instructions, the chip can be made to execute the vehicle protection method provided by the embodiment.
The present embodiment also provides a computer-readable storage medium having stored therein computer program code which, when run on a computer, causes the computer to execute the above-described related method steps to implement the vehicle protection method provided in the above-described embodiments.
The apparatus, the computer readable storage medium, the computer program product, or the chip provided in this embodiment are used to execute the corresponding method provided above, and therefore, the advantages achieved by the apparatus, the computer readable storage medium, the computer program product, or the chip can refer to the advantages of the corresponding method provided above, which are not described herein.
The present embodiment also provides a computer program which, when executed, implements the method for protecting a vehicle provided in the above embodiment.
It will be appreciated by those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional modules is illustrated, and in practical application, the above-described functional allocation may be performed by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to perform all or part of the functions described above.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of modules or units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another apparatus, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (10)
1. A method of protecting a vehicle, comprising the steps of:
acquiring at least one damage influence parameter of at least one vehicle part, and calculating a damage accumulated value of each vehicle part according to the at least one damage influence parameter;
judging whether the damage accumulated value is larger than or equal to a preset safety value or not; and
And if the damage accumulated value is greater than or equal to the preset safety value, controlling the vehicle part which is greater than or equal to the preset safety value to enter a protection mode, generating a protection action of the vehicle part, and executing the protection action until the vehicle part exits the protection mode.
2. The method as recited in claim 1, further comprising:
Acquiring a current temperature of the at least one vehicle part;
And controlling the vehicle parts which are larger than or equal to the preset temperature threshold to enter the protection mode under the condition that the current temperature of the at least one vehicle part is larger than or equal to the preset temperature threshold.
3. The method of claim 2, wherein the generating the protection action of the vehicle part and performing the protection action comprises:
calculating a target temperature derate for the at least one vehicle component from the current temperature;
And generating a rotation speed output limit value and a torque output limit value of the vehicle based on the target temperature derate, and performing output limitation on the vehicle based on the rotation speed output limit value and the torque output limit value.
4. The method of claim 1, wherein the obtaining at least one damage-affecting parameter for at least one vehicle part, calculating a damage-cumulative value for each vehicle part based on the at least one damage-affecting parameter, comprises:
detecting an identity of the at least one vehicle part;
And matching the damage influence parameters corresponding to the at least one vehicle part based on the identification mark so as to respectively calculate the damage accumulated value of each vehicle part by utilizing the damage influence parameters corresponding to each vehicle part.
5. The method of claim 4, wherein said matching the damage-affecting parameter corresponding to the at least one vehicle part based on the identity comprises:
under the condition that the identity mark is a motor workpiece, determining that the corresponding damage influence parameters comprise at least one of the current motor rotating speed, the current motor torque, a first preset damage coefficient and the accumulated working time of the motor;
Under the condition that the identity mark is a gear workpiece, determining that the corresponding damage influence parameters comprise at least one of the current gear rotating speed, the current gear torque, a second preset damage coefficient and the accumulated working time of the gear;
And under the condition that the identity mark is the bearing workpiece, determining that the corresponding damage influence parameter comprises at least one of the current bearing load, a third preset damage coefficient and the accumulated working time of the bearing.
6. The method of claim 1, wherein the generating the protection action of the vehicle part and performing the protection action comprises:
Calculating a target rotational speed and a target torque of the vehicle from the damage integrated value;
An output derate protection action is generated based on the target rotational speed and target torque to perform the output derate protection action, limiting the rotational speed output and torque output of the vehicle to the target rotational speed and the target torque.
7. The method of claim 1, wherein the generating the protection action of the vehicle part and performing the protection action comprises:
Generating maintenance recommendations and/or service prompts for the at least one vehicle component based on the damage accumulation value;
Generating corresponding reminding information according to the maintenance advice and/or the maintenance prompt, and sending the reminding information to at least one target interaction device.
8. A protection device for a vehicle, comprising:
The calculation module is used for acquiring at least one damage influence parameter of at least one vehicle part and calculating the damage accumulated value of each vehicle part according to the at least one damage influence parameter;
The judging module is used for judging whether the damage accumulated value is larger than or equal to a preset safety value; and
And the protection module is used for controlling the vehicle part which is larger than or equal to the preset safety value to enter a protection mode if the damage accumulated value is larger than or equal to the preset safety value, generating the protection action of the vehicle part, and executing the protection action until the vehicle part exits from the protection mode.
9. A vehicle, characterized by comprising: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the program to implement the method of protecting a vehicle as claimed in any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the program is executed by a processor for implementing a method of protecting a vehicle as claimed in any one of claims 1-7.
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| CN202410180581.5A CN118024882A (en) | 2024-02-18 | 2024-02-18 | Vehicle protection method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410180581.5A CN118024882A (en) | 2024-02-18 | 2024-02-18 | Vehicle protection method and device |
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| CN118024882A true CN118024882A (en) | 2024-05-14 |
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| CN202410180581.5A Pending CN118024882A (en) | 2024-02-18 | 2024-02-18 | Vehicle protection method and device |
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