WO2016059076A1 - Entraînement hybride, véhicule hybride, et procédé permettant de faire fonctionner un véhicule automobile muni d'une chaîne cinématique hybride - Google Patents

Entraînement hybride, véhicule hybride, et procédé permettant de faire fonctionner un véhicule automobile muni d'une chaîne cinématique hybride Download PDF

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Publication number
WO2016059076A1
WO2016059076A1 PCT/EP2015/073717 EP2015073717W WO2016059076A1 WO 2016059076 A1 WO2016059076 A1 WO 2016059076A1 EP 2015073717 W EP2015073717 W EP 2015073717W WO 2016059076 A1 WO2016059076 A1 WO 2016059076A1
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WO
WIPO (PCT)
Prior art keywords
hybrid
electric machine
transmission
combustion engine
hybrid drive
Prior art date
Application number
PCT/EP2015/073717
Other languages
German (de)
English (en)
Inventor
Thomas Gallner
Rainer Knorr
Original Assignee
Continental Automotive 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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2016059076A1 publication Critical patent/WO2016059076A1/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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18072—Coasting
    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/38—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 apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/38—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 apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • 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
    • B60W10/08—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
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18027—Drive off, accelerating from standstill
    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/26—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 apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
    • 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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
    • 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
    • B60W2710/081—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
    • B60W2710/08—Electric propulsion units
    • B60W2710/083—Torque
    • 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 hybrid drive of a motor ⁇ vehicle and a method for operating a motor vehicle with a hybrid powertrain. Furthermore, the invention relates to a motor vehicle with a Hybridantriebs- strlid invention.
  • Hybrid drives for motor vehicles are known and are used to ⁇ taking to increase the performance of the Automotive ⁇ vehicles and driving comfort and their efficiency, erbrauchs by reduction pieces financing of fuel.
  • a hybrid drive an internal combustion engine and at least one electric motor are combined in such a way that both the properties of an internal combustion engine and of an electric motor for driving the vehicle can be utilized.
  • the electric motor can be arranged in various ways in the motor vehicle, depending on the design of the hybrid powertrain.
  • Electric motor is connected via a belt drive with a crankshaft of the internal combustion engine, wherein the belt drive is designed as a continuously variable transmission.
  • the voltage supply of the electric motor or of the starter generator is typically provided by the vehicle electrical system tion of the motor vehicle provided.
  • hybrid ⁇ vehicles can be operated with a 12V board voltage, but it is foreseeable that the conventional 12-volt electrical system is increasingly supplemented or replaced by a 48-volt electrical system, especially in the car sector.
  • This has the advantage that much higher electrical services may be provided by the vehicle electrical system without leaving to fly a ma ⁇ imum operating current for a prescribed threshold at ⁇ .
  • the electrical system of the vehicle and the electric motor are still operated in the low-voltage range, whereby the contact protection limit of 60 volts is not reached.
  • the object of the present invention is to provide a hybrid drive of a motor vehicle, by which the possibilities of an electrical system in a motor vehicle, such as a 48-V electrical system, can be better utilized compared to conventional hybrid drives, the complexity of the drive and the cost significantly be reduced.
  • this object is achieved by a hybrid drive of a motor vehicle having egg ⁇ nen internal combustion engine and an electric machine, which are arranged in a drive train of the motor vehicle.
  • the drive train also has a transmission.
  • the electric machine is arranged in the drive train between the internal combustion engine and the transmission.
  • the electric machine with the internal combustion engine by means of a first positive coupling element can be coupled, and with the transmission by means of a second positive coupling ⁇ elements coupled.
  • connection state is controllable and in which coupling parts form-locking and (controllable) releasably intermesh.
  • a positive coupling element is to be understood in particular a positive coupling.
  • the electric machine has a rotor.
  • This ver ⁇ adds (in the longitudinal direction of the rotor) over two ends. At one of these ends or at both ends, jaws in the sense of positive-locking elements of one of the coupling elements or both coupling elements can connect directly or via a jaw carrier.
  • Opposing interlocking elements are parts of one of the coupling elements, wherein the form- locking ⁇ elements are mounted axially displaceable on one side, whereby the coupling state can be defined.
  • the rotor may have a winding head, from the positive-locking elements in the axial direction, facing away from the rotor, stand out.
  • a carrier may be provided with positive locking elements which protrude away from the rotor and which form part of a coupling element.
  • a support with positive locking elements can be provided on a shaft of the rotor on both sides of the rotor, which protrude away from the rotor.
  • the interlocking elements are preferably formed integrally with the carriers, from which they protrude away.
  • the created hybrid drive allows in particular a comfortable, immediate electromotive starting process, in which the internal combustion engine started, to put it graphically: can be entrained. Furthermore, the hybrid drive is particularly well suited for performing a so-called Coasting or Segein. It can also be advantageous in a convenient manner an anti-jerk control of the hybrid vehicle Runaway ⁇ leads. Furthermore, CO 2 savings can be maximized compared to conventional systems.
  • the first releasable interlocking Kupplungsele ⁇ member is a first claw clutch, wherein the second releasable form ⁇ positive clutch member is a second dog clutch.
  • the clutches can be controlled such that a change-of-mind situation particularly reliabil ⁇ sig and can be safely handled.
  • the use of dog clutches has the particular advantage that they can be installed to save space, so that an existing ⁇ the powertrain with minimal changes can be adopted.
  • the first positive connection element is connected to a crankshaft of the Ver ⁇ combustion engine, that is firmly attached to the crankshaft, wherein the second positive coupling element connected to a transmission input shaft of the transmission, that is fixedly mounted on the transmission input shaft.
  • the first positive coupling element and the second positive coupling element are each electronically switchable.
  • the designs of the necessary actuators can be electrical, mechanical, pneumatic or hydraulic.
  • the triggering follows electronically.
  • the motor vehicle in a suitable Ak ⁇ factors and agents.
  • the motor vehicle may have suitable actuators and means.
  • the hybrid drive ⁇ be vorzugt may have, which is adapted to switch the first positive clutch member and the second lös ⁇ bare coupling element between a closed state and an open state, a controller.
  • controller may be coupled to the electric machine and is preferably configured to control a current torque and a rotational speed of the electric machine.
  • the controller is adapted to control the hybrid powertrain so that a speed of the engine and a speed of the Ge ⁇ drive, in particular a speed of the transmission input shaft of the transmission can be synchroni ⁇ Siert by means of the electric machine.
  • the motor vehicle has a central control unit (electronic control unit, ECU), wherein the control of the hybrid powertrain is performed by the central control unit.
  • ECU electronic control unit
  • the hybrid powertrain and the electric machine are designed to ⁇ to start the engine by means of the electric machine and / or to drive the motor vehicle by means of the electric machine see.
  • This can advantageously be carried out with advertising CLOSED ⁇ senem first positive clutch member and gesche ⁇ nem second positive clutch member the.
  • the electric machine can be designed as an integrated starter generator.
  • the internal combustion engine and the integrated starter generator can advantageously both be used for boosting the vehicle, in particular during the start.
  • inline is also a purely electric driving advantageous possible, for example, with Geschwin ⁇ speeds of up to less than 30 km / h.
  • the motor vehicle has on-board electronics for supplying the electric machine, the onboard electrical system has a nominal voltage of 48 volts.
  • the electrical system electronics can be powered by a hybrid battery.
  • a method of operating a motor vehicle comprising a hybrid powertrain having an internal combustion engine, an electrical engine
  • the electrical ⁇ specific machine is arranged on a crankshaft of the internal combustion engine at ⁇ .
  • a Verbin ⁇ connection between the engine and the electric machine is ma- by a first dog clutch connected. Further, a connection between the electric machine and the transmission is switched by a second dog clutch.
  • a hybrid vehicle in particular a hybrid car, having a hybrid drive according to an embodiment of the invention, wherein the hybrid vehicle is driven by the hybrid drive.
  • FIG. 2 shows a schematic view of components of a drive train of a motor vehicle in a 48 V PO.
  • Figure 3 is a schematic view of components of an on ⁇ drive train of a motor vehicle in a 48-V P2 configuration, according to an embodiment of the invention
  • 4 shows a flow of a gear shift in a drive train Hybridan ⁇ , according to an embodiment of the invention
  • Figure 5 shows a flow of a startup of a motor vehicle with a hybrid drive train according to an embodiment of the invention
  • FIG. 6 shows a process flow in which the combustion engine of the motor vehicle, such as ⁇ is dergestartet from a Ausrollphase out, according to an embodiment of the invention.
  • FIG. 1 shows a view of a typical configuration of components of a conventional powertrain 1 of a motor vehicle 2 with associated electrical components. It is understood that the drawings are very schematic darge ⁇ represents.
  • the starter 4 is exemplified here as a pinion starter 4.
  • the starter 4 has a small pinion 6 which together ⁇ menwirkt with a large pinion 7 of a flywheel 8 of the engine 3, wherein the flywheel 8 is mounted on the crankshaft 16 of the engine.
  • the generator 5 formed as an alternator 5 and via a belt drive 9 with a shaft 10 of the engine 3 verbun ⁇ the.
  • the belt drive 9 includes a first drive wheel 11, which is coupled to the generator 5, a second drive wheel 12 which is coupled to the shaft 10 of the engine 3, and to the first drive wheel 11 and the second driving wheel 12 umlau ⁇ fendes leavening 13 For example, a V-belt.
  • FIG. 1 also shows the fuel tank 22 for the internal combustion engine 3.
  • the motor vehicle has on-board electronics 14, which is equipped with a vehicle battery 15, here: a 12-volt battery 15.
  • a vehicle battery 15 here: a 12-volt battery 15.
  • alternator 5 which is operated by the internal combustion engine 3
  • electrical energy can be fed into the electrical system 14, which can be stored in the vehicle battery 15.
  • the starter 4 and other, not explicitly shown here further electrical components of the motor vehicle 2 are fed.
  • the crankshaft 16 is connected to a transmission clutch 17, which has its output connected to a gear 18 of the motor driving ⁇ zeugs. 2
  • the transmission clutch 17 is a friction clutch.
  • the transmission 18 is designed, for example, as an automatic transmission or a manual transmission.
  • a Gereteeaus ⁇ input shaft 19 of the transmission 18 is further provided with a differentiation ⁇ tialgetriebe 20 of the drive shaft 21 of the motor vehicle 2 ver ⁇ prevented.
  • the starter 4 and the generator 5 are arranged as separate components at different positions, it is also conceivable to replace the generator 5 by a belt starter generator 23, by means of which the internal combustion engine 3 can be started With the configuration shown in Figure 1, which uses a 12 volt vehicle electrical system, a classic start-stop system can be realized.
  • the configuration according to FIG. 1 is comparable to a 12 volt P0 system, in which the generator 5 or a belt starter generator 23 is arranged at the corresponding position "0", ie as a belt generator
  • the start-stop system according to FIG thereby adapted to the internal combustion engine 3 of the vehicle 2 can be stopped automatically if the vehicle 2 examples of play at a traffic light stops or is in an Ver ⁇ traffic congestion.
  • FIG Figure 2 is a schematic view of a typical 48V PO configuration nes drive train 27 of a motor vehicle ⁇ 2.
  • the motor vehicle 2 here in addition a 48-volt vehicle electrical system on.
  • the 48-volt vehicle electrical system is here equipped with a hybrid battery 26, which is connected to a corresponding on-board ⁇ network electronics 25.
  • the 48-volt vehicle electrical system 25 and the 12-volt vehicle electrical system 14 may be interconnected, which is not shown explicitly in FIG. 2 for the sake of simplicity.
  • the generator 5 and the starter generator 23 of Figure 1 are replaced in Figure 2 by a designed for the 48-volt electrical system starter generator 24. Otherwise, the drive corresponds to Strand 27 according to FIG. 2 essentially the drive train 1 according to FIG. 1.
  • FIG. 3 shows a schematic view of components in a powertrain 28 of a motor vehicle 3 to which a Schlos ⁇ Senen electrical components in a P2-configuration, i.e. the electric machine 29 is disposed on the input shaft Getriebeein ⁇ 30th
  • a hybrid ⁇ drive with an "in-line" arranged electric machine 29 provided, that is, the internal combustion engine 3 and electric machine 29 are arranged linearly one behind the other.
  • the electric machine 29 of the shown in Figure 3 Hybridan ⁇ drive train 28 is coupled to
  • the integrated starter generator 29 has a stator 36 and a rotor 37 and is preferably an internal rotor machine, whereby the flywheel 8 of the internal combustion engine 3 is replaced by the rotor 37 of the integrated starter generator 29 that is, the rotor 37 of the integrated starter generator 29 also functions as a flywheel of the internal combustion engine
  • Flywheel 8 of the internal combustion engine 3 can therefore be omitted, whereby weight and cost can be saved.
  • the board power electronics 25 is shown with the feeding through the hybrid battery 26
  • Bordnetzelekt ⁇ ronik 26 may comprise different electrical units 31 of the motor ⁇ vehicle, one of which is shown in FIG. 3
  • the hybrid battery 26 of Figure 3 is a 48 volt hybrid battery
  • the aspects of the invention are not limited in principle to a nominal voltage of 48 volts.
  • the nominal voltage is only 42 volts, or even more than 48 volts.
  • a her- conventional 12-volt vehicle electrical system with a 12-volt vehicle battery 15 is arranged to be supplied with the electrical modules 32, of which in Figure 3, a module 32 is shown by way of example.
  • the vehicle 3 typically has auxiliary units 33 of the internal combustion engine 3, which are connected to the internal combustion engine 3 via the belt drive 9.
  • auxiliary units 33 of the internal combustion engine 3 With the 48-volt vehicle electrical system voltage higher performance and a relatively high torque of the electric machine 29 can be achieved compared to the conventional 12-volt vehicle electrical system voltage.
  • no additional load of the 12-volt electrical system takes place during the boot process.
  • the hybrid drive ⁇ strand 28 on a first clutch 34 as the form-locking coupling, in this case is designed as a dog clutch 34th
  • the first dog clutch 34 is connected to the crankshaft 16 of the engine 3 and connects the engine 3 with the integrated starter generator 29.
  • the hybrid powertrain 28 a second clutch 35, which also as a positive clutch, here: as a dog clutch 35 madebil ⁇ it is.
  • the second dog clutch 35 is connected to the transmission input shaft 30 and connects the integrated Star tergenerator 29 with the gear 18.
  • the integrated starter ⁇ generator 29 and the second dog clutch 35 are by means of ei ⁇ ner output shaft 39 of the integrated starter generator 29 connected to each other.
  • the hybrid drive and the two clutches 34 and 35 are controlled by the controller 38.
  • the property that the clutches 34, 35 are not formed as friction clutches rather than jaw clutches ⁇ 34, 35 is operatively supported in particular by the fact that a synchronization of the rotational speed of the internal combustion engine 3 with a rotational speed of the transmission 18 can be made by the integrated starter generator 29.
  • the synchronization can in particular in connection with a shift, that is, the implementation of a gear change of the transmission 18 he follow ⁇ .
  • the control of the synchronization can be done automatically by the controller 38. This will be explained in more detail below with reference to FIG. 4 shows an exemplary flow of a gear shift by using the hybrid drive train 28 shown in Figure 3.
  • the vehicle gear for example, in the first gear. See step S1.
  • both jaw clutches 34, 35 are closed during travel.
  • a torque can be generated by which the vehicle 2 is moved.
  • a gear change should be performed while driving. In this exemplary case, for example, it is intended to shift up into second gear.
  • the torque of both the combustion ⁇ motor 3 and the integrated starter generator 29 are first brought to a value of 0 Nm, respectively, the motors if they are not already idling in the
  • step S3 the second dog clutch 35 is opened so that the rotational connection between the integrated starter generator 29 and the transmission 18 is released.
  • 29 uncoupled gear 18 is now the gear maral ⁇ tet, here: upshifted to second gear, step S5.
  • step S6 a speed synchronization is now carried out by means of the integrated starter generator 29 by bringing the rotational speed of the internal combustion engine 3 to a rotational speed which is one speed of the transmission 18 or a speed of the transmission input shaft 30 approximately matches.
  • the Steue ⁇ tion of the synchronization and related measurements for this purpose can be done by means of the controller 38.
  • the output shaft 39 of the integrated starter generator 39 and the transmission input shaft 30 are at approximately the same speed. Now ⁇ more, the second jaw clutch 35 is closed in step S7. Thus, the torque train of the hybrid drive is closed again, and the procedure of the gear change is be ⁇ ends.
  • a positive rotary connection embge ⁇ represents by the hybrid powertrain 28, wherein a signal generated by the integrated starter generator 29 torque can be transmitted without slippage over the entire hybrid powertrain 28 away particular can. This is especially true for a lower speed range during startup of the motor vehicle 2. Since in this case the dog clutch 35 between the integrated starter generator 29 and the transmission 18 is closed, a torque of the integrated starter generator 29 is transmitted immediately to the drive wheels of the vehicle 3. This allows a smooth electromotive approach done, which also has a high level of comfort for the driver and passengers. Fer ⁇ ner can, since the first dog clutch 34 further also a provides interlocking rotational connection between the engine 3, while the electromotive start the same time ⁇ the engine 3 are started. Thus, the integrated starter generator 29 not only replaces that
  • Flywheel 8 of the motor 3 as already mentioned above, but it can also in particular also on the use of a pinion starter, such as the pinion starter 4 shown in Figures 1 and 2 are omitted, since the integrated starter generator 29 in particular as a starter fun - yells.
  • the first dog clutch 34 also provides a positive rotational connection between the engine 3 and the engine 3, the engine 3 may be started simultaneously during the electromotive starting.
  • the integrated starter generator 29 not only replaces that
  • Flywheel 8 of the motor 3 can also be particularly in particular on the use of a pinion starter, such as the pinion starter 4 shown in Figures 1 and 2 15 omitted, since the integrated starter generator 29 in particular as a starter acts.
  • FIG. 5 shows a sequence of starting a motor vehicle 3 with the hybrid drive train 28, according to an embodiment of the invention.
  • the vehicle is stationary, which is referred to in step S10 in FIG.
  • the first Klauenkupp ⁇ ment 34 and the second dog clutch 35 are both closed in step Sil.
  • the integrated starter generator 29 is ⁇ controls so that torque is generated by the motor vehicle 3 starts moving.
  • a gear was previously engaged, and now by the electric machine 29, ie an immediate start is started by the integrated starter generator 29.
  • step 14 a boost is now carried out up to a certain speed, that is, both by the engine 3 and by the integrated starter generator 29 is a positive torque to the drive shaft ⁇ 21 issued.
  • the boosting operation can be carried out until, for example, a respective engine speed of at least 1500 revolutions per minute is reached, step S15, after which the starting operation is completed.
  • the exact speed may depend on the particular setting and the specific layout of the hybrid powertrain 28.
  • S14 of the acceleration during the at ⁇ driving can be performed at least partially simultaneously with or before step S13, depending on the procedure, the step, wherein the vehicle is accelerated during the Boos Tens in step S15.
  • the hybrid powertrain is particularly well suited for vehicles of the classes A to C.
  • Possible procedures relate to examples game, a warm start, in particular the above explained in co ⁇ menhang with Figure 5 instant hot start, cold start of the engine, a change from a NOR ⁇ paint driving situation on a sailing, or leakage or Roll out of the vehicle motion ( "coasting") in switched-off internal combustion engine, a restarting of the internal combustion engine during coasting, or a start on the fly Ver ⁇ brennungsmotor.
  • a recuperation of energy, or a change from a normal driving situation automatically to a recuperation mode or vice versa.
  • FIG. 6 shows by way of example a sequence of a start-up procedure of the internal combustion engine 3, while the motor vehicle 3 is in a coasting phase.
  • the engine 3 is restarted from a "coasting" phase
  • the vehicle is in a state where the first dog clutch 34 is opened, whereas the second dog clutch 35 is closed.
  • step S21 a control signal is generated or a control command issued by the controller 38, so that no torque from the engine 3 and the integrated starter generator is impressed on the drive axle 21, wherein the two Ite claw ⁇ clutch 35 is opened.
  • step S23 the second claw ⁇ clutch 35 is open, as well as the first dog clutch, compare step S20.
  • step S24 the integrated starter generator 29 is now stopped so that now both the integrated starter generator Rator 29 and the internal combustion engine 3 are decoupled within the hybrid powertrain 28 and have the same speed zero. Further, then the first dog clutch 34 is driven to close. In step S25, the first dog clutch 34 is then closed, so that the rotary connection between the engine 3 and the integrated starter generator 29 is restored. Now, in steps S26 and S27 of the internal combustion engine 3 is started by means of the integrated starter generator 29 and brought to a speed at which the internal combustion engine 3 and the integrated Starterge ⁇ generator 29 has approximately the same speed as the transmission 18. Then, in step S28, the second dog clutch 35 is closed.
  • step S29 the internal combustion engine 3 and the integrated starter generator 29 are controlled, and the motor vehicle 2 now drives by means of both motors 3, 29 generated torques.
  • additional drive power can be provided.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un entraînement hybride d'un véhicule automobile (2), comprenant un moteur à combustion interne (3) et un moteur électrique (29) qui sont agencés dans la chaîne cinématique (28) du véhicule automobile (2). La chaîne cinématique (28) présente une transmission (18). Le moteur électrique (29) est agencé dans la chaîne cinématique (28) entre le moteur à combustion interne (3) et la transmission (18). Le moteur électrique (29) peut par ailleurs être accouplé au moteur à combustion interne (3) au moyen d'un premier élément d'accouplement (34) amovible à complémentarité de forme et être accouplé à la transmission (18) au moyen d'un deuxième élément d'accouplement (35) à complémentarité de forme.
PCT/EP2015/073717 2014-10-15 2015-10-13 Entraînement hybride, véhicule hybride, et procédé permettant de faire fonctionner un véhicule automobile muni d'une chaîne cinématique hybride WO2016059076A1 (fr)

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DE102014220862.9 2014-10-15
DE102014220862.9A DE102014220862A1 (de) 2014-10-15 2014-10-15 Hybridantrieb, Hybridfahrzeug, und Verfahren zum Betrieb eines Kraftfahrzeugs mit einem Hybridantriebsstrang

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DE102016206269A1 (de) 2016-04-14 2017-10-19 Continental Automotive Gmbh Antriebseinheit und Verfahren zum Betrieb für ein Kraftfahrzeug mit reduziertem Kupplungsaufwand
DE102017210613B4 (de) 2017-06-23 2021-07-01 Vitesco Technologies GmbH Starteinrichtung für einen Verbrennungsmotor
DE102018208425A1 (de) 2018-05-28 2019-11-28 Bayerische Motoren Werke Aktiengesellschaft Antriebsstrang für ein Kraftfahrzeug, insbesondere für einen Kraftwagen, sowie Verfahren zum Betreiben eines solchen Antriebsstrangs
DE102018212887B4 (de) * 2018-08-02 2021-03-18 Ford Global Technologies, Llc Verfahren zum Betrieb eines Hybridelektrokraftfahrzeugs

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DE102005051382A1 (de) * 2005-10-27 2007-05-10 Zf Friedrichshafen Ag Hybridantrieb und Verfahren zu dessen Betrieb
WO2008052909A1 (fr) * 2006-11-03 2008-05-08 Robert Bosch Gmbh Ligne d'entraînement pour véhicule hybride
US7836986B1 (en) * 2009-07-07 2010-11-23 Marsaili Gillecriosd Throttle-free transmissionless hybrid vehicle
DE102011080522A1 (de) * 2011-08-05 2013-02-07 Robert Bosch Gmbh Drehzahl-synchronisiertes Schließen einer Kupplung
EP2557010A2 (fr) * 2011-08-08 2013-02-13 Bae Systems Controls, Inc. Procédé et appareil de commande de véhicules électriques hybrides

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JP4572956B2 (ja) * 2008-06-03 2010-11-04 トヨタ自動車株式会社 車両の駆動装置
DE102010012667B4 (de) * 2010-03-24 2012-06-21 Voith Patent Gmbh Antriebsvorrichtung
DE102011056431A1 (de) 2011-12-14 2013-06-20 Dr. Ing. H.C. F. Porsche Ag Hybridantriebsstrang für Kraftfahrzeuge

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Publication number Priority date Publication date Assignee Title
DE102005051382A1 (de) * 2005-10-27 2007-05-10 Zf Friedrichshafen Ag Hybridantrieb und Verfahren zu dessen Betrieb
WO2008052909A1 (fr) * 2006-11-03 2008-05-08 Robert Bosch Gmbh Ligne d'entraînement pour véhicule hybride
US7836986B1 (en) * 2009-07-07 2010-11-23 Marsaili Gillecriosd Throttle-free transmissionless hybrid vehicle
DE102011080522A1 (de) * 2011-08-05 2013-02-07 Robert Bosch Gmbh Drehzahl-synchronisiertes Schließen einer Kupplung
EP2557010A2 (fr) * 2011-08-08 2013-02-13 Bae Systems Controls, Inc. Procédé et appareil de commande de véhicules électriques hybrides

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