EP3554910A1 - Commande pour un véhicule automobile, véhicule automobile et procédé servant à commander un véhicule automobile - Google Patents

Commande pour un véhicule automobile, véhicule automobile et procédé servant à commander un véhicule automobile

Info

Publication number
EP3554910A1
EP3554910A1 EP17811953.3A EP17811953A EP3554910A1 EP 3554910 A1 EP3554910 A1 EP 3554910A1 EP 17811953 A EP17811953 A EP 17811953A EP 3554910 A1 EP3554910 A1 EP 3554910A1
Authority
EP
European Patent Office
Prior art keywords
transmission
internal combustion
combustion engine
temperature
minimum speed
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.)
Pending
Application number
EP17811953.3A
Other languages
German (de)
English (en)
Inventor
Christian JUNGNICKEL
Jens Wodausch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
Original Assignee
Volkswagen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP3554910A1 publication Critical patent/EP3554910A1/fr
Pending legal-status Critical Current

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
    • B60W30/18—Propelling the vehicle
    • B60W30/184—Preventing damage resulting from overload or excessive wear of the driveline
    • B60W30/1843—Overheating of driveline components
    • 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
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • 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
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/11—Stepped gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/14—Indicating devices; Other safety devices
    • F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • 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
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/146—Display means
    • 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0638—Engine 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0676—Engine 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/10—Change speed gearings
    • B60W2510/1005—Transmission ratio engaged
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction
    • 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
    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0644—Engine 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0688—Engine 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
    • B60W2710/10—Change speed gearings
    • B60W2710/1005—Transmission ratio engaged
    • 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
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00—Measuring
    • F01P2025/60—Operating parameters
    • F01P2025/66—Vehicle speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2031/00—Fail safe
    • F01P2031/20—Warning devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/22—Motor-cars

Definitions

  • the invention relates to a control for a motor vehicle, a motor vehicle with such a control and a method for controlling a motor vehicle, in particular in the field of engine and transmission control.
  • the control device limits the torque of the drive machine to protect the transmission.
  • the control device evaluates temperature information about a temperature of the transmission and limits the torque as a function of the temperature information.
  • a method for reducing the thermal load of an automatic transmission for a motor vehicle in an emergency operation is known from the published patent application DE 198 44 618 A1.
  • the thermal load on the automatic transmission is reduced by specifying a permissible maximum engine torque for emergency operation.
  • the transmission control unit sets the highest gear, which may have the result that the internal combustion engine must deliver its maximum torque. This can lead to a high thermal load of a cooling system for the internal combustion engine. In extreme cases, the
  • Coolant temperature of a coolant of the cooling system so far increase that
  • Emergency measures take place, such as, for example, a drop of the air conditioning system, a reduction of the torque provided by the internal combustion engine, a control of a Warning lamp indicating that the temperature of the internal combustion engine is too high, or the like.
  • the object of the present invention is to provide a control for a motor vehicle having an internal combustion engine, a transmission and a cooling device, a motor vehicle with such a control and a method for controlling a motor vehicle with an internal combustion engine, a transmission and a cooling device, which include the above-mentioned At least partially overcome disadvantages.
  • the present invention provides a controller for
  • the motor vehicle has an internal combustion engine, a transmission and a cooling device with coolant for cooling the internal combustion engine and wherein the control is arranged to:
  • the present invention provides a motor vehicle with an internal combustion engine, a transmission, a cooling device with a coolant for cooling the internal combustion engine and a controller according to the first aspect.
  • the present invention provides a method for controlling a motor vehicle having an internal combustion engine, a transmission and a cooling device with a coolant for cooling the internal combustion engine, the method comprising:
  • Transmission control unit sets the highest gear, which may have the result that the
  • Coolant pump directly proportional to the engine speed. At the same time, the reduced load requirement for the same power can lead to a lower energy input into the cooling system.
  • some embodiments relate to a control for a motor vehicle having an internal combustion engine, a transmission and a cooling device with coolant for cooling the internal combustion engine.
  • Control is set to a desired minimum speed for the
  • Internal combustion engine based on a temperature of the internal combustion engine and / or to determine a temperature of the coolant; and based on the
  • the controller may include typical elements of a vehicle controller, such as one or more processors, memory, logic circuitry, etc.
  • the internal combustion engine may be a gasoline engine, diesel engine, or the like, and the present invention is not limited to any particular type of internal combustion engine.
  • the transmission may be a manual, semi-automatic or fully automatic transmission, as is generally known in the art.
  • the cooling device can have an (air) cooler, in which the coolant is cooled.
  • the coolant may be based on water, as is common practice.
  • the desired minimum speed can basically be chosen arbitrarily depending on the specifications of a specific internal combustion engine and a specific cooling device.
  • This dependence can be configured as a threshold value, so that, for example, when a threshold value of the temperature of the internal combustion engine or the temperature of the coolant is exceeded, a predetermined desired minimum rotational speed is determined.
  • the dependence can also follow a predetermined function and can, for example, be linear, exponential or the like, so that, for example, as the temperature increases, the desired minimum speed also increases.
  • the dependency can be in the form of a table in the controller, z. In the memory, or as a formula, so that the desired minimum speed is determined on the basis of the formula if necessary, d. H. in this case is calculated.
  • a desired transmission shift position is determined.
  • the desired gear shift position is not the same in each embodiment as the one leading to the desired minimum speed, but the desired gear shift position may be selected so that the current speed of the internal combustion engine changes in the direction of the desired minimum speed.
  • the invention has the advantage that the ride comfort and availability of the
  • Interior air conditioning in particular with respect to the above-mentioned, contemplated solution, can be improved because, for example, the discussed emergency cascade is not used and therefore the air conditioner does not have to be discarded.
  • a thermal load for the internal combustion engine and attachments can be reduced.
  • the application effort in the transmission or the control (transmission control) can be reduced.
  • the transmission may be configured as an automatic transmission and the controller may be further configured to control the transmission based on the determined desired transmission shift position.
  • the shift position can be changed automatically according to the desired gear shift position.
  • the transmission may also be configured as a manual transmission and the controller may be further configured to output a shift recommendation based on the determined desired transmission shift position. This can be signaled to a user that he should engage another gear, a change in the current speed of
  • the desired minimum speed can minimize the thermal load of
  • Internal combustion engine can be determined.
  • the thermal load as a function of the internal combustion engine can be determined in advance. That is, the relationship between speed and thermal load of
  • Internal combustion engine may be known in some embodiments.
  • the desired minimum speed can be determined so that the thermal load is minimized in a predetermined or predetermined level. This allows targeted control and influencing of the thermal load.
  • the desired minimum speed can be determined when the temperature of the
  • the controller may include an engine control section and a transmission control section, wherein the engine control section determines the desired minimum speed and the transmission control section determines the desired transmission shift position. This makes it possible to arrange the engine control section and the transmission control section away from each other or the respective function in existing control devices, eg. B. engine control unit and transmission control unit to provide.
  • the motor vehicle may further include a data bus such as the CAN bus, flex bus, or the like, and the engine control section may transmit the desired minimum speed via the data bus to the transmission control section. As a result, the determined
  • Desired minimum speed information to the transmission control section are transmitted, which determines based on the desired transmission shift position.
  • the desired minimum speed can be determined step by step. This makes it possible to lower the temperature of the internal combustion engine or of the coolant in stages. For example, first the next-lower gear with the associated desired minimum speed can be selected. Should it turn out that, for example, the temperature of the internal combustion engine or the coolant continues above a
  • Desired minimum speed can be determined, etc.
  • a gradual control of the temperature of the internal combustion engine or the coolant is possible and it can be avoided larger switching steps in the transmission.
  • Some embodiments relate to a motor vehicle, as stated above, with an internal combustion engine, a transmission, a cooling device with a coolant for cooling the internal combustion engine and a controller, as described herein.
  • Some embodiments relate to a method for controlling a motor vehicle, as described herein, with a transmission, an internal combustion engine and a
  • Cooling device with a coolant for cooling the internal combustion engine.
  • Method includes the steps, as already described in connection with the control described above: determining a desired minimum speed for the internal combustion engine based on a temperature of the internal combustion engine and / or a temperature of the coolant; and determining a desired transmission shift position based on the desired minimum speed.
  • the method may, for example, be carried out by the controller described herein.
  • the transmission may be configured as an automatic transmission, and the method may further include controlling the transmission based on the determined desired transmission shift position.
  • the transmission may be configured as a manual transmission and the method may further include outputting a shift recommendation based on the determined desired transmission shift position.
  • the desired minimum speed can for
  • Minimizing a thermal load of the internal combustion engine can be determined.
  • the desired minimum speed may be determined when the temperature of the internal combustion engine exceeds a temperature threshold and / or when the temperature of the coolant exceeds a temperature threshold.
  • Fig. 1 schematically illustrates an embodiment of a motor vehicle with a controller
  • Fig. 2 shows the control for the motor vehicle with the driven components
  • FIG. 3 shows a flowchart of a method for controlling the motor vehicle of FIG. 1.
  • FIG. 1 An embodiment of a motor vehicle 1 with a controller 2 is shown schematically in Fig. 1.
  • the motor vehicle 2 has an internal combustion engine 3, also called VKM 3 below.
  • VKM 3 is, without limiting the invention in this regard, designed as a 4-cylinder gasoline engine.
  • the VKM 3 is coupled to a transmission 4 via a drive shaft, wherein the transmission 4 is designed as an automatic transmission, for. B. as a known dual-clutch transmission.
  • a cooling device 5 is provided, which via a cooler 5a, with
  • Cooling liquid 5b is filled, the VKM 3 cools, as is well known.
  • a temperature sensor 6 is provided, which measures the oil temperature and thus the temperature of the VKM 3.
  • a further temperature sensor 7 is provided in the coolant circuit of the cooling device 5.
  • the controller 2 is coupled to the VKM 3, the transmission 4, the temperature sensor 6 and the temperature sensor 7.
  • controller 2 illustrates another embodiment in which the controller 2 is constituted by a motor control section 2a (eg, engine control unit) and a transmission control section 2b (eg, transmission control apparatus) connected to each other via a CAN bus 9
  • motor control section 2a eg, engine control unit
  • transmission control section 2b eg, transmission control apparatus
  • the temperature sensor 7 is coupled to the CAN bus 9 and transmits temperature values to the motor control section 2a via it.
  • the motor control section 2a is directly connected to the VKM 3 and the associated one
  • Temperature sensor 6 coupled.
  • the transmission control section 2b is directly coupled to the transmission 4.
  • a shift recommendation display 8 may be provided, as will be explained below.
  • FIG. 3 illustrates the sequence of a method 10 for controlling the motor vehicle 1 of FIG. 1.
  • the method 10 first determines a desired minimum speed for the VKM 3 based on the temperature of the VKM 3 and / or based on the temperature of the VKM 3
  • Coolant 5b the engine control section 2a receives the corresponding
  • Temperature sensor 7 which determines the temperature of the coolant 5b.
  • the unneeded temperature sensor may be obsolete.
  • the temperature sensor 6 may be omitted, and in embodiments using the temperature of the VKM 3, the temperature sensor 7 may be omitted.
  • the engine control section 2a determines, as already explained above, based on the temperature associated with a desired minimum speed. This desired minimum speed is z. B. from a coolant temperature of 1 15 ° C about 4000 U / min, the temperature of 1 15 ° C is set as a temperature threshold, without the present invention is limited to this specific example.
  • the temperature threshold can, for example. Set to 1 10 ° C and based on a desired minimum speed of about 4000 U / min can be determined without that the present invention is limited to this specific example.
  • the controller 2 determines a desired transmission shift position. This can be done by the engine control section 2a, the desired minimum speed and / or a
  • Output switching recommendation for example, the transmission 4 actively prevents the upshift, so that sets an operating point high speed and low load. As a result, that will
  • Cooling system as stated above, thermally relieved and the emergency cascade must not be activated, so there is no restriction in the customer
  • the engine control section 2a can also transmit the desired minimum speed, for example by an existing message on the drive Can 9, z. B.
  • MO_Prio_MIN_Wunschitchayne activated to the transmission 4 or the
  • Transmission control section 2b indicate that a desired minimum speed is set.
  • the desired minimum speed determined or required by the engine control section 2a is transmitted and received by the transmission control section 2b.
  • the speed command may be cascaded depending on the temperature of the VKM 3, so that the engine control section 2a gradually increases the desired minimum speed. If, for example, switching back one gear is not sufficient to increase the cooling capacity, then another
  • the transmission 4 is configured as a manual transmission.
  • the controller 2 can determine the desired minimum speed at 1 1 and the desired gear shift position at 12, as was also stated above.
  • the controller 2 may then at 14, as an alternative to step 13, output a switching recommendation and control the switching recommendation display 8 accordingly, so that the user of the motor vehicle 1 is displayed a corresponding switching recommendation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

L'invention concerne une commande pour un véhicule automobile (1) comprenant un moteur à combustion interne (3), une transmission (4) et un système de refroidissement (5) présentant un liquide de refroidissement (5b) servant à refroidir le moteur à combustion interne (3). La commande (2) est mise au point : pour déterminer, sur la base d'une température du moteur à combustion interne (3) et/ou d'une température du liquide de refroidissement (5b), une vitesse de rotation minimale souhaitée pour le moteur à combustion interne (3) ; et pour déterminer, sur la base de la vitesse de rotation minimale souhaitée, une position de commutation de transmission souhaitée.
EP17811953.3A 2016-12-19 2017-12-11 Commande pour un véhicule automobile, véhicule automobile et procédé servant à commander un véhicule automobile Pending EP3554910A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016225421.9A DE102016225421A1 (de) 2016-12-19 2016-12-19 Steuerung für ein Kraftfahrzeug, Kraftfahrzeug und Verfahren zur Steuerung eines Kraftfahrzeugs
PCT/EP2017/082115 WO2018114407A1 (fr) 2016-12-19 2017-12-11 Commande pour un véhicule automobile, véhicule automobile et procédé servant à commander un véhicule automobile

Publications (1)

Publication Number Publication Date
EP3554910A1 true EP3554910A1 (fr) 2019-10-23

Family

ID=60654974

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17811953.3A Pending EP3554910A1 (fr) 2016-12-19 2017-12-11 Commande pour un véhicule automobile, véhicule automobile et procédé servant à commander un véhicule automobile

Country Status (5)

Country Link
US (1) US11021157B2 (fr)
EP (1) EP3554910A1 (fr)
CN (1) CN110072755B (fr)
DE (1) DE102016225421A1 (fr)
WO (1) WO2018114407A1 (fr)

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DE102021128719A1 (de) * 2021-11-04 2023-05-04 Weidemann GmbH Arbeitsmaschine mit einer hydromechanischen Antriebseinheit
CN114228694B (zh) * 2021-11-09 2023-07-11 东风汽车集团股份有限公司 一种混合动力汽车发动机转速控制方法、装置和设备

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WO2018114407A1 (fr) 2018-06-28
DE102016225421A1 (de) 2018-07-05
CN110072755A (zh) 2019-07-30
US20190329775A1 (en) 2019-10-31
US11021157B2 (en) 2021-06-01
CN110072755B (zh) 2023-05-05

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