WO2014044268A1 - Procédé et dispositif de commande d'une chaîne cinématique d'un véhicule - Google Patents

Procédé et dispositif de commande d'une chaîne cinématique d'un véhicule Download PDF

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Publication number
WO2014044268A1
WO2014044268A1 PCT/DE2013/200136 DE2013200136W WO2014044268A1 WO 2014044268 A1 WO2014044268 A1 WO 2014044268A1 DE 2013200136 W DE2013200136 W DE 2013200136W WO 2014044268 A1 WO2014044268 A1 WO 2014044268A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
driving mode
electric driving
electric
actuation
Prior art date
Application number
PCT/DE2013/200136
Other languages
German (de)
English (en)
Inventor
Andreas Kinigadner
Arthur EPP
Eckhard Kirchner
Thomas Mehlis
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to CN201380049581.1A priority Critical patent/CN104661887B/zh
Publication of WO2014044268A1 publication Critical patent/WO2014044268A1/fr

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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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4808—Electric machine connected or connectable to gearbox output shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
    • 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
    • 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
    • B60W2510/10—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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/10—Change speed gearings
    • B60W2510/1005—Transmission ratio engaged
    • B60W2510/101—Transmission neutral state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/10—Accelerator pedal position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/14—Clutch pedal position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/16—Ratio selector position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/082—Selecting or switching between different modes of propelling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/22—Locking of the control input devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the invention relates to a method and apparatus for driving a drive train of a vehicle according to the closer defined in the preamble of patent claim 1 and 9, respectively.
  • From DE 29 43 519 A1 discloses a drive for a vehicle with an internal combustion engine and an electric motor is known, in which by actuation of a shift lever of the transmission at the same time a switch in an electric motor circuit of the electric motor can be closed.
  • the invention is therefore based on the object to provide a method and an apparatus of the aforementioned type, which ensure a simple and safe operation of a vehicle with a manual transmission in combination with a hybrid drive.
  • a hybrid drive in the drive train in alternation between an internal combustion engine mode and an electric drive mode.
  • a simultaneous internal combustion engine and electrical operation can be provided.
  • activation of the electric driving mode preferably takes place as a function of the presence of an operating state of the vehicle which is suitable for electric driving.
  • the gear selection of the gearbox is locked in order to avoid switching the gearbox when the electric drive mode is activated.
  • the shift linkage can be locked in the transmission or blocked outside the gearbox of the gear selector lever or the shift gate.
  • the electric driving mode is activated as a function of the presence of at least one signal generated by a driver-side actuation.
  • the operating mode of the vehicle can optionally be determined by the driver, in particular an activation of the electric driving mode can be carried out directly on the driver's request.
  • the electric driving mode for starting the vehicle is activated in the cumulative presence of the following conditions:
  • the driving readiness of the vehicle is signaled, for example, by inserting the ignition key and switching on the ignition.
  • the manual transmission ie the gear selector lever, is in the neutral position or is switched into this.
  • the brake pedal of the vehicle brake is actuated.
  • the clutch or the clutch pedal is not actuated.
  • the vehicle speed is zero, i. the vehicle is at a standstill.
  • the internal combustion engine can be started conventionally by the driver.
  • the electric driving mode is activated.
  • the electric machine When the electric drive mode is activated and an actuation of the accelerator pedal of the vehicle is detected, the electric machine is actuated to generate a torque corresponding to the accelerator pedal position.
  • the accelerator pedal position here must correspond to a torque request that is less than or equal to a predetermined torque.
  • the maximum permissible torque of the electric machine is and no actuation of the clutch pedal may be detected, otherwise the electric drive mode is deactivated.
  • An activation of the electric drive mode can also be done directly on the driver's request, preferably by pressing a switch, if the conditions for an electric driving mode exist. In this way, the activation of the electric driving mode, for example, for maneuvering, by pressing a button by the driver possible.
  • the electric driving mode may be activated at an automatic engine start-stop operation of the vehicle in the engine stop phase upon detection of an operation of the foot brake by the driver become.
  • activation may be automatic even without the foot brake being applied in the engine stop phase.
  • the activation of the electric driving mode preferably takes place only if the operating state of the vehicle permits this. Activation can be made dependent, for example, on whether the prerequisites for an engine start-stop operation continue to exist and / or whether the prerequisites already mentioned above for activating the electric driving mode for starting the vehicle are met.
  • a deactivation of the electric driving mode can be effected by detecting at least one driver-actuated signal, for example by actuation of the clutch pedal by the driver or on direct driver's request, in particular by pressing a switch.
  • the electric driving mode is deactivated if at least one of the following conditions exists:
  • the clutch is actuated.
  • a switch is operated by the driver.
  • An accelerator pedal position is detected that corresponds to a torque request which is greater than a predetermined maximum permissible torque of the electric machine.
  • a vehicle speed is reached that is greater than a predetermined vehicle limit speed.
  • the vehicle limit speed and the maximum permissible torque of the electric machine may each be variably predetermined, for example as the maximum possible / s or optimum speed or torque in the electric drive mode.
  • the relevant influencing parameters can be predetermined depending on the operating strategy.
  • the gear change takes place between the individual fixed gear stages of the gearbox and the required operation of the clutch by the driver.
  • the gear change between the individual fixed gear ratios is not affected by internal combustion engine operation by the method according to the invention.
  • a change takes place from the internal combustion engine to the electric driving mode when all the following conditions are met: It is the driving readiness of the vehicle, for example, by plugging the ignition key and switching on the ignition displayed.
  • the internal combustion engine is switched on.
  • the clutch is not actuated.
  • the vehicle speed is less than or equal to a predetermined vehicle limit speed.
  • the accelerator pedal position corresponds to a torque request that is less than or equal to a predetermined maximum allowable torque of the electric machine.
  • the influencing parameters of the other operating state can be predetermined depending on the operating strategy.
  • the actuation of the clutch takes place solely by the driver.
  • the clutch of the vehicle is operated partially automated with a clutch actuator.
  • the clutch can be actuated independently by the clutch pedal, thus by the driver, and by a clutch actuator.
  • further operating conditions can be achieved. As soon as the driving readiness of the vehicle is indicated and no actuation of the clutch by the driver takes place and no operating state of the vehicle which opposes an electric driving mode is detected, the electric driving mode is activated.
  • each relevant driving condition by that of the electric Machine for driving the vehicle according to the accelerator pedal position generated torque can be achieved.
  • Prerequisite for this is that
  • the accelerator pedal position corresponds to a torque requirement that is less than or equal to the maximum permissible torque of the electric machine
  • the vehicle speed is less than or equal to a predetermined vehicle limit speed.
  • the actuation of the clutch can be done automatically by the Kupplungsaktorik and the internal combustion engine is turned on.
  • the possibly required actuation of the clutch to decouple the internal combustion engine when the gear is engaged in the manual transmission can be effected automatically by the clutch actuator.
  • at least one electric machine is preferably coupled to the manual transmission.
  • the electric machine is selectively connected to at least one first or a second transmission shaft of the gearbox or decoupled from each of these.
  • the electrical machine is preferably connected to a transmission output shaft of the gearbox upon activation of the electric drive mode.
  • the electric machine can be connected to a transmission input shaft of the gearbox upon activation of the electric drive mode.
  • the locking of the gear selection of the gearbox can be solved in the electric driving mode. This makes it possible to operate the electric machine by switching the driving gears in the transmission with different gear ratios.
  • the object underlying the invention is also achieved by a device for driving a drive train of a vehicle with a manual transmission and a hybrid drive, for performing a method described above.
  • the device according to the invention comprises a signaling device connected to the drive train of the vehicle control device, with which a change between an internal combustion engine and an electric driving mode in response to detecting a suitable for an electric driving operating state of the vehicle is controlled.
  • the control device preferably has a signal connection for detecting a signal indicative of the driving readiness of the vehicle, a signal connection for detecting a signal for detecting an operation of the internal combustion engine, a signal connection for detecting an actuation of the vehicle brake, a signal connection for detecting an actuation of the clutch by the driver a signal connection for detecting the neutral position of the transmission, a signal connection for detecting the vehicle speed, a signal connection for detecting the accelerator pedal position of the vehicle, a signal connection for detecting an actuation of a switch for activating and / or deactivating the electric driving mode and at least one signal connection for detecting a an electrical driving mode contrary to other operating condition of the vehicle.
  • the control device is functionally integrated in a motor control device of the vehicle.
  • FIG. 1 shows a schematic flow diagram for a method according to the invention in a first exemplary embodiment
  • FIG. 2 is a schematic flow diagram for supplementing the method
  • FIG. 1 A first figure.
  • Figure 3 shows a schematic flow diagram for a method according to the invention in a second embodiment.
  • the inventive method for controlling a drive train of a vehicle shown in Figure 1 relates to a hybrid vehicle with a manual transmission, wherein the gear change performed by the driver and the clutch is operated by the driver. Depending on the signal-technically detected operating state, the vehicle is operated by a hybrid drive in alternation between an internal combustion engine and an electric driving mode.
  • a gear lock of the gearbox is provided to prevent actuation.
  • the electric drive mode is automatically activated to start when the internal combustion engine is turned off during engine start-stop operation in a stop phase and the engine start-stop condition is still present.
  • the driver may conventionally start the vehicle in the IC engine mode.
  • Activation of the electric driving mode is counteracted in particular by critical vehicle parameters, such as, for example, Critical battery state of charge SOC (State Of Charge), a critical temperature of cooling water, engine oil, or air conditioning, etc.
  • critical vehicle parameters such as, for example, Critical battery state of charge SOC (State Of Charge), a critical temperature of cooling water, engine oil, or air conditioning, etc.
  • An activation of the electric driving mode can also be done on driver's request, for example by pressing a switch.
  • the transmission output shaft of the gearbox is preferably connected to an electric machine of the hybrid drive of the vehicle. Because of the gear locking of the gearbox, it is not possible in the electric driving mode for the driver to engage a gear by selector lever in the manual transmission.
  • a torque demand Md e - Dr ive which is less than or equal to a / em predetermined / n max / n torque Md E M of the electric machine, and no operation of the clutch is detected, the vehicle is traveling in the electric traveling mode.
  • the maximum possible torque Md E M for limiting the vehicle speed in the electric drive mode can be variably adapted to the operating strategy.
  • the electric driving mode is deactivated.
  • the vehicle is driven in electric driving mode, a check is made as to whether the conditions for electrical operation are present. If this is the case, the electric driving mode is maintained.
  • a deactivation of the electric driving mode takes place upon detection of an actuation of the clutch by the driver or when the driver switches off the electric driving mode by a switch.
  • the same switch can be used, through which an activation of the electric driving mode.
  • the electric driving mode is exited when predetermined controlled variables or parameters are detected which preclude maintaining the electric driving mode.
  • the electric driving mode is deactivated when the vehicle speed V exceeds the maximum possible or the optimal limit speed V eD rive limit in the electric driving mode.
  • the limit speed V eD rive limit can be set variably depending on the operating strategy .
  • there is a deactivation of the electric driving mode especially when critical vehicle parameters are displayed, such as a critical battery state of charge SOC.
  • control device which may for example be integrated into an engine control unit (ECU) of the vehicle
  • the required signals can be processed by another control unit via a bus system (eg via CAN) or directly by sensors or by other means controlunits are transmitted.
  • a bus system eg via CAN
  • the clutch pedal signal, the battery state of charge (SOC) or the signal "vehicle brake (foot brake) is not active" or possible error messages are crucial.
  • the flowchart in FIG. 2 shows, in addition to FIG. 1, the sequence of a change from the internal combustion engine to the electric driving mode.
  • the sequence in FIG. 2 proceeds from the combustion engine driving mode initiated in FIG. 1 after a deactivation of the electric driving mode.
  • a check is made as to whether a change to the electric driving mode is possible.
  • FIG. 3 shows in a second exemplary embodiment an expansion of the described concept from the method according to FIG. 1 and FIG.
  • the method according to FIG. 3 is based on the use of a partially automated clutch.
  • a self-sufficient independent of the operation of the clutch pedal control of the clutch is possible.
  • the clutch is opened upon actuation of the clutch pedal by the Kupplungsaktorik so that the driver finds a clutch behavior as in a conventional manual transmission.
  • a possible further step would be an additional integration or use of available control unit data for the targeted control of the clutch without an operation of the clutch pedal.
  • a control of the clutch is in this case to understand the targeted opening or closing of the clutch and the holding of the clutch in such a state.
  • a clutch pedal signal and a clutch actuator for example hydraulically actuated, are integrated into the controller circumference for the purpose of actuating the clutch.
  • step A In the electric drive mode at any relevant driving condition, by the torque requirement Md e - ive Dr, according to the accelerator pedal position with respect to the maximum possible torque Md E M of the electrical see machine and the limit speed V eD rive limit can be achieved.
  • the clutch is automatically actuated (step B) and the internal combustion engine is started.
  • step C a change from the combustion engine to the electric driving mode takes place automatically (step C) if the above-mentioned conditions exist (compare step A, "key-on").
  • step D The possibly required operation of the clutch for disengaging the internal combustion engine when the gear is engaged in the manual transmission, the locking of the gear selection of the gearbox and the activation of the electric driving mode are carried out automatically (step D).
  • a so-called sailing operation internal combustion engine off and clutch open
  • At least one electric machine is connected to, for example, a conventional manual transmission.
  • a conventional manual transmission This can be designed as a 2-shaft gear or as another multi-shaft gear.
  • a Anitatisaktorik is provided by which the electric machine with two transmission shafts of the gearbox can be selectively coupled or disconnected.
  • a switching unit is provided, by means of a An effetsaktorik, such as a rocker switch, the corresponding switching states are achieved.
  • a first gear shaft or a second gear shaft of the gearbox can be flexibly connected depending on the operating strategy.
  • the optimum driving strategy can be generated by driving via a control device via the connection of the electric machine to the first or second transmission shaft of the gearbox.
  • the connection is realized by the activation of the connection actor.
  • the switching logic with the connection of the first or second transmission shaft or connection of none of the transmission shaft to the electric machine depends on the operating strategy. In vehicle standstill or in the unaktu convinced state further interconnections may be possible.
  • the electric machine In a first state, the electric machine is connected to the transmission output shaft via the connection mechanism.
  • the electric drive mode when activated by the electric machine allows a purely electric driving, while the Gangwalhebel the gearbox is in neutral position.
  • the driver can specify a torque request Md e - Dr ive on the accelerator pedal according to the accelerator pedal position, so that depending on available and installed electrical power, for example, a vehicle speed of 40 km / h can be driven.
  • the drive of the vehicle by the electric machine via the transmission output shaft has the advantage that the drive without drag losses through the internal combustion engine is possible.
  • the electric machine is connected to the transmission input shaft by the connection actuator when the electric drive mode is activated.
  • a translation of the transmission input shaft in the transmission is possible.
  • the torque can be transmitted to the transmission output shaft.
  • Different ratios between the drive shaft of the electric machine and the transmission input shaft high vehicle speeds for example, be about 140 km / h can be achieved.
  • a hybrid mode of operation is possible when the transmission input shaft is connected. Actuation via the gearbox control unit can be achieved by the electric machine. be boosted, recuperated or raised the load point of the internal combustion engine.
  • a neutral state the electric machine is decoupled from transmission input and output shaft output shaft by the connection actuator in activated electric drive mode.
  • This state can be used as a protective function at very high shaft speeds or at standstill of the vehicle for operating the ancillaries.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un procédé de commande d'une chaîne cinématique d'un véhicule comportant une boîte de vitesses, un changement de vitesse étant réalisé dans la boîte de vitesses par le conducteur. Le procédé est caractérisé en ce que le véhicule, grâce à un entraînement hybride, peut fonctionner en mode thermique et/ou électrique. Le mode électrique est activé en fonction d'un état de fonctionnement du véhicule approprié à une conduite électrique. Lors de l'activation du mode électrique, la sélection des rapports de la boîte de vitesses est bloquée. L'invention concerne en outre un dispositif de commande d'une chaîne cinématique d'un véhicule.
PCT/DE2013/200136 2012-09-24 2013-08-23 Procédé et dispositif de commande d'une chaîne cinématique d'un véhicule WO2014044268A1 (fr)

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CN201380049581.1A CN104661887B (zh) 2012-09-24 2013-08-23 用于操控车辆动力总成的装置和方法

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DE102012217207.6A DE102012217207B4 (de) 2012-09-24 2012-09-24 Verfahren und Vorrichtung zum Ansteuern eines Antriebsstrangs eines Fahrzeugs
DE102012217207.6 2012-09-24

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WO2014044268A1 true WO2014044268A1 (fr) 2014-03-27

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CN107914701A (zh) * 2016-10-10 2018-04-17 福特全球技术公司 手动变速器车辆的或与手动变速器车辆有关的改进

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DE102016001916A1 (de) * 2016-02-18 2017-08-24 Audi Ag Betriebsverfahren für ein Fahrzeug und zugehöriges Fahrzeug
JP6414112B2 (ja) * 2016-03-22 2018-10-31 トヨタ自動車株式会社 表示装置
CN105857300B (zh) * 2016-06-27 2020-03-10 北京新能源汽车股份有限公司 混合动力汽车中离合器的控制方法、系统和混合动力汽车
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FR3057522B1 (fr) * 2016-10-19 2019-10-11 Peugeot Citroen Automobiles Sa Procede de controle du regime d'un moteur thermique pour un vehicule hybride comportant une boite de vitesses manuelle
KR102465901B1 (ko) * 2017-11-01 2022-11-11 현대자동차주식회사 차량의 중립단 주차장치 및 그 제어방법
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CN107914701A (zh) * 2016-10-10 2018-04-17 福特全球技术公司 手动变速器车辆的或与手动变速器车辆有关的改进
CN107914701B (zh) * 2016-10-10 2022-11-01 福特全球技术公司 手动变速器车辆的或与手动变速器车辆有关的改进

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CN104661887A (zh) 2015-05-27
CN104661887B (zh) 2018-01-19
DE102012217207B4 (de) 2015-06-11
DE102012217207A1 (de) 2014-03-27

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