WO2010112280A1 - Procédé de conduite d'un véhicule hybride - Google Patents

Procédé de conduite d'un véhicule hybride Download PDF

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Publication number
WO2010112280A1
WO2010112280A1 PCT/EP2010/052397 EP2010052397W WO2010112280A1 WO 2010112280 A1 WO2010112280 A1 WO 2010112280A1 EP 2010052397 W EP2010052397 W EP 2010052397W WO 2010112280 A1 WO2010112280 A1 WO 2010112280A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive unit
hybrid vehicle
drive
axis
torque
Prior art date
Application number
PCT/EP2010/052397
Other languages
German (de)
English (en)
Inventor
Boyke Richter
Michael Lehner
Herbert Prickarz
Torsten Heidrich
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2010112280A1 publication Critical patent/WO2010112280A1/fr

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Classifications

    • 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
    • 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
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • 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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
    • 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
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • 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
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • 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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/192—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine
    • 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
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/423—Torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • 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
    • B60L2240/44—Drive Train control parameters related to combustion engines
    • B60L2240/441—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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • 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
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/08—Electric propulsion units
    • B60W2710/083—Torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00—Purposes or special features of road vehicle drive control systems
    • B60Y2300/49—Engine push start or restart by use of vehicle kinetic energy
    • 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
    • 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
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the invention relates to a method for operating a hybrid vehicle, in which a first drive unit introduces a drive torque to a first axis of the hybrid vehicle, while a second drive unit drives a second axis of the vehicle, wherein either the first drive unit or the first and the second drive unit, the vehicle keep moving.
  • Vehicles with hybrid drives are being increasingly developed in which various drive units are used for a drive task.
  • the individual drive units in the hybrid drive can work together differently. They either act simultaneously or only one drive unit acts on the vehicle to be moved.
  • Hybrid concepts are known in which a drive unit is a first
  • Axis of the vehicle and a second drive unit drives a second axis of the vehicle, wherein the two axes of the vehicle are mechanically decoupled.
  • a starter which sets the second drive unit in operation. This can be both at rest of the
  • the inventive method for operating a hybrid vehicle having the features of claim 1 has the advantage that a sound of
  • Starters prevented and the wear of starter components is reduced. Characterized in that while the first drive unit introduces the drive torque to the first axis of the hybrid vehicle, the first Antriebsaggre- gat on the first axis of the vehicle introduces an additional drive torque to start the second, at rest drive unit of the hybrid vehicle, the one at the start of the second Drive unit compensated taken on the second axis loss of drive torque is increased by a simple increase in the drive torque of the first drive unit to the additional drive torque of the ride comfort of the vehicle and made the start while driving the hybrid vehicle very comfortable.
  • the second drive unit is always switched on when the applied by the first drive unit drive torque is not sufficient to realize the desired driving speed by the driver.
  • the second, located at rest drive unit is started by kinetic energy, which is obtained from a driving movement of the vehicle.
  • kinetic energy which is obtained from a driving movement of the vehicle.
  • the start of the second drive unit is a
  • the travel movement of the first drive unit driven by the first axis is transmitted to the second axis, whose movement is transmitted via a drive train arranged in the transmission to the second drive unit.
  • recourse is made to the means available in the drive train. Additional components for starting the second drive unit can thus be dispensed with.
  • the additional drive torque which introduces the first drive unit via the first axis, taken from a table or a map in dependence on the drive torque loss of the second axis.
  • the respective magnitude of the drive loss torque has been determined as a function of the vehicle speed prior to commissioning of the vehicle on a test bench and stored as a table or characteristic map in a memory of the hybrid vehicle. But it is also possible to adjust the drive loss torque compensating additional drive torque via a control.
  • a further development of the invention relates to a device for operating a hybrid vehicle, in which a first drive unit introduces a drive torque to a first axis of the hybrid vehicle, while a second drive unit drives a second axis of the hybrid vehicle, wherein either the first drive unit or the first and the second drive unit keep the hybrid vehicle in motion.
  • a first drive unit introduces a drive torque to a first axis of the hybrid vehicle
  • a second drive unit drives a second axis of the hybrid vehicle, wherein either the first drive unit or the first and the second drive unit keep the hybrid vehicle in motion.
  • means are provided which, while the first drive unit introduces the drive torque to the first axis of the hybrid vehicle, cause the first drive unit to start the second, at rest, drive unit of the hybrid vehicle to introduce an additional drive torque via the first axis of the hybrid vehicle that compensates for a drive loss torque taken at the start of the second drive unit on the second axis.
  • a control device is connected to the first drive unit and to a rotational movement of the second drive unit detecting sensor, which at the onset of the rotational movement of the second Antriebsag- gregates reads the additional drive torque from a memory and controls the first drive unit according to the read additional drive torque.
  • the total moments of the drive wheels of the axles remain constant, which causes the jerkiness to be prevented.
  • the second drive unit is connected via a clutch to a transmission which is coupled to the second axis of the hybrid vehicle, wherein the clutch is closed to start the second drive unit.
  • the clutch is closed to start the second drive unit.
  • the second drive unit is connected to a starter, which starts the second drive unit when the hybrid vehicle is stationary.
  • the hybrid vehicle thus has two start options for the second drive unit.
  • the starter starts the vehicle while stationary, while the second drive unit is comfortably started while driving by closing the drive train of the second drive unit.
  • Figure 1 Representation of a hybrid concept with a separately driven electrical axis
  • FIG. 2 shows a schematic flow chart for the method according to the invention for starting the internal combustion engine
  • Figure 1 shows a hybrid concept in which an internal combustion engine 1 drives a front axle 2 of the vehicle, while a rear axle 3 of the vehicle is driven separately by an electric motor 4.
  • the internal combustion engine 1 leads via a clutch 5 to a first transmission unit 6, which is connected via the drive shaft 7 to a differential 8 which transmits the torque to the axle 2.
  • tet to which a wheel 9 is attached.
  • a starter 10 is connected to a drive shaft 1 1 of the internal combustion engine 1.
  • the electric motor 4 is mounted with a second gear unit 12 on the rear axle 3 of the hybrid vehicle, wherein the torque generated by the electric motor 4 is transmitted to a wheel 13 which is driven by the rear axle 3.
  • the internal combustion engine 1 is connected to an engine control unit 14, by means of which the processes in the internal combustion engine 1 are controlled and regulated. At the same time leads to the engine control unit 14, a speed sensor 15, which is arranged opposite the drive shaft 1 1 of the internal combustion engine 1 for determining the rotational speed of the drive shaft 11.
  • a pedal encoder 17, by means of which the driver adjusts the driving speed of the hybrid vehicle, is also connected to the engine control unit 14.
  • the electric motor 4 is controlled by an electric motor control unit 16, which leads to the engine control unit 14.
  • the example given is a so-called Axle SpNt Hybrid Electric Vehicle.
  • Such a hybrid vehicle can both drive purely electrically by the arranged on the rear axle 3 electric motor 4 drives the front axle 2.
  • the front axle 2 is driven by the internal combustion engine 1, while at the same time the rear axle 3 is driven by the electric motor 4.
  • the electric motor 4 can also be operated as a generator in order to charge a high-voltage battery (not shown) or to feed energy back into the high-voltage battery during a braking operation.
  • the engine control unit 14 coordinates the processes between the drive train 5, 6 of the internal combustion engine 1 and the electric motor 4 via the engine control unit 14.
  • the drive torque is only from the electric motor 4 or, if its power is insufficient, from the internal combustion engine. 1 and the electric motor 4 applied together.
  • the internal combustion engine 1 is switched off and the drive train is open, ie the clutch 5 is open.
  • the hybrid vehicle travels purely electrically by the electric motor 4 drives the rear axle 3.
  • the driver's request for increased drive power is detected in block 120 by the engine control unit 14 via the encoder 17.
  • the engine control unit 14 determines that the drive torque applied by the electric motor 4 alone is insufficient to comply with the driver's request.
  • the internal combustion engine 1 is turned on by closing the clutch 5, wherein a negative drive torque (braking) is established on the front axle 2.
  • a negative drive torque (braking) is established on the front axle 2.
  • an additional positive drive torque is generated by the electric motor 4, which is applied to the rear axle 3 as a compensation torque to the negative drive torque. This additional drive torque becomes a function of the negative drive torque
  • Map read out which is stored in a memory 18 of the electric motor control unit 16.
  • the internal combustion engine 1 is started in block 160 without the aid of the starter 10 and without adversely affecting the ride comfort of the hybrid vehicle.

Abstract

L'invention concerne un procédé de conduite d'un véhicule hybride dans lequel un premier ensemble d'entraînement (4) exerce un couple d'entraînement sur un premier essieu (3) du véhicule hybride tandis qu'un deuxième ensemble d'entraînement (1) entraîne un deuxième essieu (2) du véhicule hybride, le premier ensemble d'entraînement (4) ou le premier ensemble d'entraînement (4) et le deuxième ensemble d'entraînement (1) maintenant le véhicule hybride en mouvement. Pour augmenter le confort de conduite pendant le démarrage du deuxième ensemble d'entraînement pendant que le premier ensemble d'entraînement (4) applique le couple d'entraînement sur le premier essieu du véhicule hybride pour démarrer le deuxième ensemble d'entraînement (1), au repos, du véhicule hybride, le premier ensemble d'entraînement (4) applique par l'intermédiaire du premier essieu (3) du véhicule hybride un couple supplémentaire d'entraînement qui compense le couple de perte d'entraînement qui survient sur le deuxième essieu (2) lors du démarrage du deuxième ensemble d'entraînement (1).
PCT/EP2010/052397 2009-04-03 2010-02-25 Procédé de conduite d'un véhicule hybride WO2010112280A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009002177.9 2009-04-03
DE102009002177A DE102009002177A1 (de) 2009-04-03 2009-04-03 Verfahren zum Betreiben eines Hybridfahrzeuges

Publications (1)

Publication Number Publication Date
WO2010112280A1 true WO2010112280A1 (fr) 2010-10-07

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Application Number Title Priority Date Filing Date
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WO (1) WO2010112280A1 (fr)

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FR3016592A1 (fr) * 2014-01-22 2015-07-24 Peugeot Citroen Automobiles Sa Procede et dispositif de controle de la preselection d'un rapport de boite de vitesses d'un vehicule hybride, pour limiter le bruit induit pendant un mode electrique pur
CN112666457A (zh) * 2019-09-30 2021-04-16 奥迪股份公司 用于电动车辆的、包括制动力矩补偿的动力装置诊断

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DE102011083573B4 (de) 2011-09-28 2022-04-28 Robert Bosch Gmbh Verfahren zum Betreiben eines Verbrennungsmotors
DE102012211920A1 (de) * 2012-07-09 2014-01-09 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Betrieb eines Hybridfahrzeuges
DE102013016756B4 (de) * 2013-10-10 2015-07-09 Audi Ag Verfahren zum Betreiben eines Triebstrangs für einen allradbetreibbaren Kraftwagen

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DE102007019988A1 (de) * 2007-04-27 2008-11-20 Robert Bosch Gmbh Allradgetriebener Personenkraftwagen mit Hybridantrieb und elektrischem Allradbetrieb
DE102007023164A1 (de) * 2007-05-16 2008-11-20 Robert Bosch Gmbh Verfahren zum Betreiben eines Hybridantriebs eines Fahrzeugs
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