DE102016101225A1 - Method for operating a hybrid vehicle - Google Patents

Method for operating a hybrid vehicle Download PDF

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Publication number
DE102016101225A1
DE102016101225A1 DE102016101225.4A DE102016101225A DE102016101225A1 DE 102016101225 A1 DE102016101225 A1 DE 102016101225A1 DE 102016101225 A DE102016101225 A DE 102016101225A DE 102016101225 A1 DE102016101225 A1 DE 102016101225A1
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sport
factor
hybrid vehicle
combustion engine
internal combustion
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German (de)
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Matthias Pohl
Jörg-Michael Birkhold
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Dr Ing HCF Porsche AG
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Dr Ing HCF Porsche AG
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    • 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
    • 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
    • B60K6/50—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
    • 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
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • 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
    • 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
    • B60W30/182—Selecting between different operative modes, e.g. comfort and performance modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
    • F02N11/0822—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode related to action of the driver
    • 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
    • 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
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • B60W2520/105—Longitudinal acceleration
    • 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
    • B60W2520/12—Lateral speed
    • B60W2520/125—Lateral acceleration
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/08—Parameters used for control of starting apparatus said parameters being related to the vehicle or its components
    • F02N2200/0801—Vehicle speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/10—Parameters used for control of starting apparatus said parameters being related to driver demands or status
    • F02N2200/105—Driver behaviours or types, e.g. sportive or economic type driver
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
    • 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

Abstract

Die Erfindung betrifft ein Verfahren zum Betreiben eines Hybridfahrzeuges mit wenigstens einem Elektromotor und mit einem Verbrennungsmotor, wobei der Elektromotor und der Verbrennungsmotor wenigstens zeitweise in Wirkverbindung mit einem Antriebsstrang des Hybridfahrzeuges stehen, wobei abhängig von wenigstens einem Betriebsparameter des Hybridfahrzeuges der Elektromotor und/oder der Verbrennungsmotor den Antriebsstrang antreiben, wobei abhängig von wenigstens einem Betriebsparameter des Hybridfahrzeuges der Verbrennungsmotor von einem Stopp-/Start-Programm abgeschaltet oder gestartet wird, wobei ein Sportfaktor vorgesehen ist, wobei der Sportfaktor ein sportliches Fahren des Hybridfahrzeuges beschreibt, und wobei das Start- /Stopp-Programm den Sportfaktor berücksichtigt.The invention relates to a method for operating a hybrid vehicle having at least one electric motor and an internal combustion engine, wherein the electric motor and the internal combustion engine at least temporarily in operative connection with a drive train of the hybrid vehicle, wherein depending on at least one operating parameter of the hybrid vehicle, the electric motor and / or the internal combustion engine driving the powertrain, wherein depending on at least one operating parameter of the hybrid vehicle, the engine is shut down or started by a stop / start program, wherein a sport factor is provided, wherein the sport factor describes a sporty driving of the hybrid vehicle, and wherein the start / stop Program takes into account the sport factor.

Description

Die Erfindung betrifft ein Verfahren zum Betreiben eines Hybridfahrzeuges gemäß Patentanspruch 1 und ein Steuergerät zum Durchführen des Verfahrens gemäß Patentanspruch 8. The invention relates to a method for operating a hybrid vehicle according to claim 1 and a control device for carrying out the method according to claim 8.

Aus DE 10 2015 100 042 A1 sind ein System und ein Verfahren zum Steuern eines Hybridfahrzeuges bekannt, das einen Verbrennungsmotor aufweist, der dafür konfiguriert ist, als Reaktion auf eine Verbrennungsmotoren-Stoppanforderung automatisch zu stoppen und als Reaktion auf eine Verbrennungsmotoren-Startanforderung automatisch zu starten, umfassend das wahlweise Sperren einer Verbrennungsmotoren- Stoppanforderung aufgrund der voraussichtlichen Dauer eines erwarteten, vom Fahrer angewiesenen verminderten Leistungszustands, um das Vorkommen von aufeinander folgenden automatischen Stopps und automatischen Starts zu reduzieren. Out DE 10 2015 100 042 A1 For example, a system and method for controlling a hybrid vehicle having an internal combustion engine configured to automatically stop and automatically start in response to an engine stop request comprising selectively locking an internal combustion engine is known Stop request based on the expected duration of an expected driver-mandated reduced power state to reduce the occurrence of consecutive automatic stops and automatic starts.

Die Aufgabe der Erfindung besteht darin, in verbessertes Verfahren zum Betreiben eines Hybridfahrzeuges bereitzustellen. The object of the invention is to provide an improved method for operating a hybrid vehicle.

Die Aufgaben der Erfindung werden durch das Verfahren gemäß Patentanspruch 1 und durch das Steuergerät gemäß Patentanspruch 8 gelöst. The objects of the invention are achieved by the method according to claim 1 and by the control device according to claim 8.

Es wird ein Verfahren zum Betreiben eines Hybridfahrzeuges mit wenigstens einem Elektromotor und mit einem Verbrennungsmotor vorgeschlagen, wobei der Elektromotor und der Verbrennungsmotor wenigstens zeitweise in Wirkverbindung mit einem Antriebsstrang des Hybridfahrzeuges stehen, wobei abhängig von wenigstens einem Betriebsparameter des Hybridfahrzeuges der Elektromotor und/oder der Verbrennungsmotor den Antriebsstrang antreiben, wobei abhängig von wenigstens einem Betriebsparameter des Hybridfahrzeuges der Verbrennungsmotor von einem Stopp-/Start-Programm abgeschaltet oder gestartet wird, wobei ein Sportfaktor vorgesehen ist, wobei der Sportfaktor ein sportliches Fahren des Hybridfahrzeuges beschreibt, und wobei das Start-/Stopp-Programm den Sportfaktor berücksichtigt. Auf diese Weise kann bei einer langsamen Fahrweise Kraftstoff gespart werden und bei einer sportlichen Fahrweise eine hohe Leistungsdynamik bereitgestellt werden. A method for operating a hybrid vehicle with at least one electric motor and with an internal combustion engine is proposed, wherein the electric motor and the internal combustion engine are at least temporarily in operative connection with a drive train of the hybrid vehicle, wherein the electric motor and / or the internal combustion engine depend on at least one operating parameter of the hybrid vehicle driving the powertrain, wherein depending on at least one operating parameter of the hybrid vehicle, the engine is shut down or started by a stop / start program, wherein a sport factor is provided, wherein the sport factor describes a sporty driving of the hybrid vehicle, and wherein the start / stop Program takes into account the sport factor. In this way, fuel can be saved in a slow driving style and a high performance dynamics can be provided in a sporty driving style.

In einer Ausführungsform wird ein Abkoppel-/Koppel-Programm vorgeschlagen, das den Verbrennungsmotor abhängig von wenigstens einem Betriebsparameter des Hybridfahrzeuges vom Antriebsstrang und/oder vom Elektromotor abkoppelt, und wobei das Abkoppel-/Koppel-Programm den Sportfaktor. Auf diese Weise kann noch mehr Kraftstoff eingespart werden. In one embodiment, a decoupling / coupling program is proposed which decouples the internal combustion engine depending on at least one operating parameter of the hybrid vehicle from the drive train and / or the electric motor, and wherein the decoupling / coupling program the sport factor. In this way, even more fuel can be saved.

In einer Ausführungsform wird der Sportfaktor abhängig von einem Betriebsparameter des Hybridfahrzeuges bestimmt, wobei insbesondere eine Geschwindigkeit des Hybridfahrzeuges, eine Beschleunigung des Hybridfahrzeuges, ein Fahrerwunsch, eine Lenkgeschwindigkeit und/oder eine Querbeschleunigung des Hybridfahrzeuges zur Bildung des Sportfaktors erfasst und berücksichtigt werden. Mithilfe dieser Betriebsparameter kann der Sportfaktor einfach und ausreichend präzise ermittelt werden. In one embodiment, the sport factor is determined depending on an operating parameter of the hybrid vehicle, wherein in particular a speed of the hybrid vehicle, an acceleration of the hybrid vehicle, a driver's request, a steering speed and / or a lateral acceleration of the hybrid vehicle to form the sport factor are detected and taken into account. These operating parameters allow the sport factor to be determined simply and with sufficient precision.

In einer Ausführungsform wird bei einem größeren Sportfaktor, der eine sportlichere Fahrweise beschreibt, der Start-Stopp-Betrieb des Verbrennungsmotors stärker reduziert, als bei einem kleineren Sportfaktor. Auf diese Weise kann eine verbesserte Anpassung des Verfahrens erreicht werden. In one embodiment, with a larger sport factor describing a more sporty driving style, the start-stop operation of the internal combustion engine is reduced more than at a smaller sport factor. In this way, an improved adaptation of the method can be achieved.

In einer Ausführungsform wird bei einem größeren Sportfaktor, der eine sportlichere Fahrweise beschreibt, der Abkoppel-/Koppelbetrieb des Verbrennungsmotors stärker reduziert, als bei einem kleineren Sportfaktor. Somit kann eine weitere Kraftstoffeinsparung erreicht werden. In one embodiment, with a larger sport factor describing a sportier driving style, the decoupling / coupling operation of the internal combustion engine is reduced more than with a smaller sport factor. Thus, further fuel economy can be achieved.

In einer Ausführungsform wird ab einem vorgegebenen ersten Wert des Sportfaktors der Stopp-/Start-Betrieb des Verbrennungsmotors unterbunden. Auf diese Weise wird sichergestellt, dass eine maximal mögliche Leistungsdynamik bereitsteht. In one embodiment, starting from a predetermined first value of the sport factor, the stop / start operation of the internal combustion engine is inhibited. In this way it is ensured that a maximum possible power dynamics is available.

In einer Ausführungsform wird ab einem vorgegebenen zweiten Wert des Sportfaktors der Abkoppel-/Koppelbetrieb des Verbrennungsmotors unterbunden wird. Auf diese Weise wird sichergestellt, dass eine maximal mögliche Leistungsdynamik bereitsteht. In one embodiment, the decoupling / coupling operation of the internal combustion engine is prevented from a predetermined second value of the sport factor. In this way it is ensured that a maximum possible power dynamics is available.

Die Erfindung wird im Folgenden anhand der Figur näher erläutert. Die Figur zeigt in einer schematischen Darstellung einen Antriebsstrang eines Hybridfahrzeuges. Der Antriebsstrang verfügt über zwei angetriebene Achsen 10, 12 mit jeweils zwei Rädern 11, 13. Die erste Achse 10 stellt eine Vorderachse und die zweite Achse 12 eine Hinterachse des Hybridfahrzeuges dar. Es ist ein Verbrennungsmotor 15 und ein Elektromotor 16 vorgesehen, wobei der Verbrennungsmotor 15 über eine steuerbare Kupplung 22 mit dem Elektromotor 16 in Wirkverbindung steht. Zudem ist ein Ausgang des Elektromotors 16 in Wirkverbindung mit einem Getriebe 17. Das Getriebe 17 kann Teilgetriebe und Doppelkupplungsgetriebe aufweisen und abhängig von dem Schaltzustand des Getriebes 17 mit der ersten und/oder der zweiten Achse 10, 12 in Wirkverbindung stehen. The invention will be explained in more detail below with reference to FIG. The figure shows a schematic representation of a drive train of a hybrid vehicle. The powertrain has two driven axles 10 . 12 with two wheels each 11 . 13 , The first axis 10 represents a front axle and the second axle 12 a rear axle of the hybrid vehicle. It is an internal combustion engine 15 and an electric motor 16 provided, the internal combustion engine 15 via a controllable clutch 22 with the electric motor 16 is in active connection. In addition, an output of the electric motor 16 in operative connection with a transmission 17 , The gear 17 can have partial transmission and dual clutch transmission and depending on the switching state of the transmission 17 with the first and / or the second axis 10 . 12 in operative connection.

Abhängig vom Betriebszustand der Kupplung 22 ist der Ausgang des Verbrennungsmotors 15 an einen Eingang des Elektromotors 16 angekoppelt. Somit kann abhängig von dem Schaltzustand der Kupplung 22 Drehmoment entweder nur vom Elektromotor 16 oder vom Elektromotor 16 und vom Verbrennungsmotor 15 oder nur vom Verbrennungsmotor 15 an das Getriebe 17 und damit an den Antriebsstrang des Hybridfahrzeuges abgegeben werden. Depending on the operating state of the coupling 22 is the output of the internal combustion engine 15 to an input of the electric motor 16 coupled. Thus, depending on the switching state of the clutch 22 Torque either only from the electric motor 16 or from the electric motor 16 and the internal combustion engine 15 or only from the combustion engine 15 to the gearbox 17 and thus be delivered to the drive train of the hybrid vehicle.

Eine Drehmomentabgabe des Verbrennungsmotors 15 und/oder des Elektromotors 16 werden von einem Steuergerät 25 gesteuert. Der Elektromotor steht über eine Leistungselektronik 24 mit einem elektrischen Energiespeicher 23 in Verbindung. A torque output of the internal combustion engine 15 and / or the electric motor 16 be from a controller 25 controlled. The electric motor is powered by power electronics 24 with an electrical energy storage 23 in connection.

Abhängig vom gewünschten Betriebszustand wird vom Steuergerät 25 der Elektromotor 16 zur Abgabe von Drehmoment angesteuert. Zudem wird abhängig von einem Start- /Stopp-Programm vom Steuergerät 25 der Verbrennungsmotor 15 gestartet oder abgeschaltet. Weiterhin wird vom Steuergerät 25 abhängig von einem Abkoppel-/Koppel- Programm die Kupplung 22 geöffnet oder geschlossen. Bei abgeschaltetem Verbrennungsmotor, d.h. ohne Verbrennung im Verbrennungsmotor und/oder bei abgekoppeltem Verbrennungsmotor kann Kraftstoff eingespart werden, insbesondere wird die Erzeugung von Abgasen vermieden. Depending on the desired operating state is from the control unit 25 the electric motor 16 driven to output torque. In addition, depending on a start / stop program from the controller 25 the internal combustion engine 15 started or shut down. Furthermore, the control unit 25 Depending on a decoupling / coupling program, the clutch 22 open or closed. With the internal combustion engine switched off, ie without combustion in the internal combustion engine and / or with the internal combustion engine disconnected, fuel can be saved, in particular the generation of exhaust gases is avoided.

Für einen energiesparenden Betrieb des Hybridfahrzeuges kann es von Vorteil sein, den Verbrennungsmotor 15 abzuschalten und mithilfe einer geöffneten Kupplung 22 vom Elektromotor 16 abzukoppeln. Der energiesparende Betrieb weist jedoch den Nachteil auf, dass bei einem entsprechenden Fahrerwunsch nach einer höheren Beschleunigung der Verbrennungsmotor 15 im abgeschalteten Zustand erst gestartet und die Kupplung geschlossen werden muss. Somit kann der Verbrennungsmotor zur Abgabe von Drehmoment auf den Antriebsstrang nur zeitverzögert eingesetzt werden kann. Diese zeitliche Verzögerung kann bei einer sportlichen Fahrweise vom Fahrer als Fehlfunktion empfunden werden. For an energy-saving operation of the hybrid vehicle, it may be advantageous to the internal combustion engine 15 shut down and using an open clutch 22 from the electric motor 16 decouple. However, the energy-saving operation has the disadvantage that with a corresponding driver's request for a higher acceleration of the engine 15 only started in the off state and the clutch must be closed. Thus, the internal combustion engine for delivering torque to the drive train can only be used with a time delay. This time delay can be felt in a sporty driving style by the driver as a malfunction.

Mithilfe des vorgeschlagenen Verfahrens können sowohl Kraftstoff als auch Abgase bei einem Hybridfahrzeug eingespart werden und trotzdem bei einer sportlichen Fahrweise eine maximale Leistungsdynamik bereitgestellt werden. Die sportliche Fahrweise wird mithilfe eines Sportfaktors erfasst. Dazu ist in einem Datenspeicher des Steuergerätes 25 ein Sportfaktor abgelegt. Der Sportfaktor wird vom Steuergerät 25 beziehungsweise von einem Stopp-/Start-Programm und/oder von einem Abkoppel-/Koppel-Programm berücksichtigt. Der Sportfaktor kann vorgegebenen sein und beispielsweise von einem Fahrer über ein Eingabemittel wie z.B. einen Schalter eingegeben werden. With the aid of the proposed method, both fuel and exhaust gases can be saved in a hybrid vehicle and, nevertheless, maximum performance dynamics can be provided in an athletic driving style. The sporty driving style is detected by means of a sport factor. This is in a data memory of the control unit 25 filed a sports factor. The sport factor is from the control unit 25 or by a stop / start program and / or by a decoupling / coupling program. The sport factor may be predetermined and, for example, entered by a driver via an input means such as a switch.

Zudem kann der Sportfaktor abhängig von wenigstens einem Betriebsparameter des Hybridfahrzeuges bestimmt werden. Beispielsweise wird der Sportfaktor abhängig von der Geschwindigkeit des Hybridfahrzeuges und/oder der Beschleunigung des Hybridfahrzeuges und/oder einem Fahrerwunsch und einer Lenkgeschwindigkeit und/oder einer Querbeschleunigung des Hybridfahrzeuges ermittelt. Dazu sind entsprechende Sensoren am Hybridfahrzeug vorgesehen, die beispielsweise die Geschwindigkeit, die Beschleunigung, den Fahrerwunsch, die Lenkgeschwindigkeit und/oder die Querbeschleunigung erfassen. Weiterhin sind Tabellen, Kennlinien oder Formeln abgelegt, mit denen abhängig von wenigstens einem Betriebsparameter der Sportfaktor ermittelt werden kann. Beispielsweise kann eine Durchschnittsgeschwindigkeit des Hybridfahrzeuges zur Ermittlung des Sportfaktors verwendet werden. Zudem kann auch eine maximale Geschwindigkeit des Hybridfahrzeuges verwendet werden. Weiterhin kann eine Durchschnittsbeschleunigung beim Reduzieren oder Erhöhen der Geschwindigkeit berücksichtigt werden. Zudem kann auch eine maximale Beschleunigung zur Ermittlung des Sportfaktors berücksichtigt werden. Weiterhin kann der Fahrerwunsch mithilfe eines Sensors in Abhängigkeit von der Betätigung eines Fahrpedals erfasst und z.B. die Geschwindigkeit des Fahrpedals zur Ermittlung des Sportfaktors berücksichtigt werden. Zudem kann die Lenkgeschwindigkeit in Form einer mittleren Lenkgeschwindigkeit oder in Form einer maximalen Lenkgeschwindigkeit erfasst und zur Ermittlung des Sportfaktors berücksichtigt werden. Weiterhin kann die Querbeschleunigung des Hybridfahrzeuges in Form einer durchschnittlichen Querbeschleunigung und/oder in Form einer maximalen Querbeschleunigung berücksichtigt werden, um den Sportfaktor zu ermitteln. Die einzelnen Betriebsparameter können mit Faktoren versehen werden, um den Sportfaktor zu ermitteln. In addition, the sport factor can be determined depending on at least one operating parameter of the hybrid vehicle. For example, the sport factor is determined depending on the speed of the hybrid vehicle and / or the acceleration of the hybrid vehicle and / or a driver's request and a steering speed and / or a lateral acceleration of the hybrid vehicle. For this purpose, corresponding sensors are provided on the hybrid vehicle, which detect, for example, the speed, the acceleration, the driver's request, the steering speed and / or the lateral acceleration. Furthermore, tables, characteristics or formulas are stored with which, depending on at least one operating parameter, the sport factor can be determined. For example, an average speed of the hybrid vehicle may be used to determine the sport factor. In addition, a maximum speed of the hybrid vehicle can be used. Furthermore, average acceleration can be taken into account when reducing or increasing the speed. In addition, a maximum acceleration for determining the sport factor can also be taken into account. Furthermore, the driver's request can be detected by means of a sensor in dependence on the operation of an accelerator pedal, and e.g. the speed of the accelerator pedal to determine the sport factor are taken into account. In addition, the steering speed can be detected in the form of a mean steering speed or in the form of a maximum steering speed and taken into account for determining the sport factor. Furthermore, the lateral acceleration of the hybrid vehicle can be taken into account in the form of an average lateral acceleration and / or in the form of a maximum lateral acceleration in order to determine the sport factor. The individual operating parameters can be provided with factors to determine the sport factor.

Das Steuergerät 25 ist ausgebildet, um mithilfe des Stopp-/Start-Programmes abhängig von wenigstens einem vorgegebenen Betriebsparameter den Verbrennungsmotor abzuschalten. Dazu sind entsprechende Kennlinien oder Grenzwerte abgelegt, bei denen abhängig von einem vorgegebenen Betriebsparameter der Verbrennungsmotor abgeschaltet wird. Beispielsweise wird der Verbrennungsmotor abgeschaltet, wenn das Hybridfahrzeug steht und das Bremspedal länger als eine vorgegebene Zeitdauer betätigt wird. Zudem kann der Verbrennungsmotor abgeschalten werden, wenn der Energiespeicher für den Elektromotor über einen vorgegebenen Wert beladen ist und der Fahrerwunsch unter einem vorgegebenen Wert liegt. Für diesen Betriebszustand ist die Leistung des Elektromotors ausreichend und der Verbrennungsmotor kann abgeschalten werden, so dass kein Kraftstoff verbrannt wird. The control unit 25 is designed to shut down the engine using the stop / start program depending on at least one predetermined operating parameter. For this purpose, corresponding characteristic curves or limit values are stored in which the internal combustion engine is switched off as a function of a predetermined operating parameter. For example, the engine is shut down when the hybrid vehicle is stationary and the brake pedal is pressed for more than a predetermined amount of time. In addition, the internal combustion engine can be switched off when the energy storage for the electric motor is loaded above a predetermined value and the driver's request is below a predetermined value. For this operating state, the power of the electric motor is sufficient and the engine can be turned off, so that no fuel is burned.

Zusätzlich berücksichtigt das Stopp-/Start-Programm den Sportfaktor, um den Verbrennungsmotor abzuschalten oder wieder zu starten. Je größer der Sportfaktor ist, umso seltener wird der Verbrennungsmotor abgeschaltet, beziehungsweise umso kürzer sind die Zeiten, in denen der Verbrennungsmotor abgeschalten ist. Somit kann abhängig vom Sportfaktor beispielsweise die Zeitdauer, in der der Verbrennungsmotor bei stehendem Hybridfahrzeug und gedrückter Bremse abgeschaltet bleibt, reduziert werden. Abhängig von der gewählten Ausführungsform kann abhängig von einem vorgegebenen ersten Wert des Sportfaktors der Stopp-/Start-Betrieb des Verbrennungsmotors unterbunden werden. Dies bedeutet, dass das Stopp-/Start- Programm inaktiv geschaltet wird, wenn der Sportfaktor den vorgegebenen ersten Wert erreicht oder überschreitet. In addition, the stop / start program takes the sport factor into account Shut down or restart the combustion engine. The larger the sport factor, the less frequently the internal combustion engine is switched off, or the shorter the times when the internal combustion engine is switched off. Thus, depending on the sport factor, for example, the time duration in which the internal combustion engine remains switched off when the hybrid vehicle is stationary and the brake pressed is reduced. Depending on the selected embodiment, depending on a predetermined first value of the sport factor, the stop / start operation of the internal combustion engine can be prevented. This means that the stop / start program will be deactivated when the sport factor reaches or exceeds the given first value.

Das Abkoppel-/Koppel-Programm kann den Sportfaktor berücksichtigen, um das Abkoppeln des Verbrennungsmotors vom Antriebstrang zu beeinflussen. Je größer der Sportfaktor ist, umso geringer werden die Zeiten, in denen der Verbrennungsmotor vom Antriebsstrang abgekoppelt ist. The decoupling / coupling program can take into account the sport factor in order to influence the decoupling of the internal combustion engine from the drive train. The larger the sport factor, the lower the times when the engine is decoupled from the powertrain.

In einer Ausführung kann das Abkoppel-/Koppel-Programm inaktiv geschaltet werden, d.h. das Öffnen der Kupplung 22 unterbunden werden, wenn der Sportfaktor einen vorgegebenen zweiten Wert erreicht oder überschreitet. Abhängig von der gewählten Ausführungsform können der erste und der zweite Wert gleich groß sein oder der erste Wert kleiner sein als der zweite Wert. In one embodiment, the decoupling / coupling program can be switched inactive, ie the opening of the clutch 22 be suppressed when the sports factor reaches or exceeds a predetermined second value. Depending on the embodiment selected, the first and second values may be equal or the first value may be less than the second value.

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • DE 102015100042 A1 [0002] DE 102015100042 A1 [0002]

Claims (8)

Verfahren zum Betreiben eines Hybridfahrzeuges mit wenigstens einem Elektromotor und mit einem Verbrennungsmotor, wobei der Elektromotor und der Verbrennungsmotor wenigstens zeitweise in Wirkverbindung mit einem Antriebsstrang des Hybridfahrzeuges stehen, wobei abhängig von wenigstens einem Betriebsparameter des Hybridfahrzeuges der Elektromotor und/oder der Verbrennungsmotor den Antriebsstrang antreiben, wobei abhängig von wenigstens einem Betriebsparameter des Hybridfahrzeuges der Verbrennungsmotor von einem Stopp-/Start-Programm abgeschaltet oder gestartet wird, wobei ein Sportfaktor vorgesehen ist, wobei der Sportfaktor ein sportliches Fahren des Hybridfahrzeuges beschreibt, und wobei das Start-/Stopp-Programm den Sportfaktor berücksichtigt.  Method for operating a hybrid vehicle with at least one electric motor and with an internal combustion engine, wherein the electric motor and the internal combustion engine are at least temporarily in operative connection with a drive train of the hybrid vehicle, wherein depending on at least one operating parameter of the hybrid vehicle, the electric motor and / or the internal combustion engine drive the drive train, wherein, depending on at least one operating parameter of the hybrid vehicle, the engine is shut down or started by a stop / start program, wherein a sport factor is provided, wherein the sport factor describes a sporty driving of the hybrid vehicle, and wherein the start / stop program is the sport factor considered. Verfahren nach Anspruch 1, wobei ein Abkoppel-/Koppel-Programm den Verbrennungsmotor abhängig von wenigstens einem Betriebsparameter des Hybridfahrzeuges vom Antriebsstrang und/oder vom Elektromotor abkoppelt, und wobei das Abkoppel-/Koppel-Programm den Sportfaktor.  The method of claim 1, wherein a decoupling / decoupling program decouples the internal combustion engine depending on at least one operating parameter of the hybrid vehicle from the drive train and / or the electric motor, and wherein the decoupling / coupling program the sport factor. Verfahren nach einem der vorhergehenden Ansprüche, wobei der Sportfaktor abhängig von einem Betriebsparameter des Hybridfahrzeuges bestimmt wird, wobei insbesondere eine Geschwindigkeit des Hybridfahrzeuges, eine Beschleunigung des Hybridfahrzeuges, ein Fahrerwunsch, eine Lenkgeschwindigkeit und/oder eine Querbeschleunigung des Hybridfahrzeuges zur Bildung des Sportfaktors erfasst und berücksichtigt werden.  Method according to one of the preceding claims, wherein the sport factor is determined depending on an operating parameter of the hybrid vehicle, wherein in particular a speed of the hybrid vehicle, an acceleration of the hybrid vehicle, a driver's request, a steering speed and / or a lateral acceleration of the hybrid vehicle to form the sport factor detected and taken into account become. Verfahren nach einem der vorhergehenden Ansprüche, wobei bei einem größeren Sportfaktor, der eine sportlichere Fahrweise beschreibt, der Start-Stopp-Betrieb des Verbrennungsmotors stärker reduziert wird, als bei einem kleineren Sportfaktor.  Method according to one of the preceding claims, wherein at a larger sport factor, which describes a sportier driving style, the start-stop operation of the internal combustion engine is reduced more than at a smaller sport factor. Verfahren nach einem der Ansprüche 2 bis 4, wobei bei einem größeren Sportfaktor, der eine sportlichere Fahrweise beschreibt, der Abkoppel- /Koppelbetrieb des Verbrennungsmotors stärker reduziert wird, als bei einem kleineren Sportfaktor.  Method according to one of claims 2 to 4, wherein at a larger sport factor, which describes a sportier driving style, the decoupling / coupling operation of the internal combustion engine is reduced more than at a smaller sport factor. Verfahren nach einem der vorhergehenden Ansprüche, wobei ab einem vorgegebenen ersten Wert des Sportfaktors der Stopp-/Start-Betrieb des Verbrennungsmotors unterbunden wird.  Method according to one of the preceding claims, wherein starting from a predetermined first value of the sport factor, the stop / start operation of the internal combustion engine is inhibited. Verfahren nach einem der Ansprüche 2 bis 6, wobei ab einem vorgegebenen zweiten Wert des Sportfaktors der Abkoppel-/Koppelbetrieb des Verbrennungsmotors unterbunden wird.  Method according to one of claims 2 to 6, wherein from a predetermined second value of the sport factor of the decoupling / coupling operation of the internal combustion engine is inhibited. Steuergerät, das ausgebildet ist, um ein Verfahren nach einem der vorhergehenden Ansprüche auszuführen.  A controller adapted to carry out a method according to any one of the preceding claims.
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