WO2009053297A1 - Hybrid drive arrangement and method for controlling and/or regulating a hybrid drive arrangement of a vehicle - Google Patents

Hybrid drive arrangement and method for controlling and/or regulating a hybrid drive arrangement of a vehicle Download PDF

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Publication number
WO2009053297A1
WO2009053297A1 PCT/EP2008/063939 EP2008063939W WO2009053297A1 WO 2009053297 A1 WO2009053297 A1 WO 2009053297A1 EP 2008063939 W EP2008063939 W EP 2008063939W WO 2009053297 A1 WO2009053297 A1 WO 2009053297A1
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WO
WIPO (PCT)
Prior art keywords
hybrid
functions
transmission
drive arrangement
function
Prior art date
Application number
PCT/EP2008/063939
Other languages
German (de)
French (fr)
Inventor
Johannes Kaltenbach
Stefan Wallner
Original Assignee
Zf Friedrichshafen Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2009053297A1 publication Critical patent/WO2009053297A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • 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
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18027—Drive off, accelerating from standstill
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • F16H2061/163—Holding the gear for delaying gear shifts under unfavorable conditions, e.g. during cornering

Definitions

  • the present invention relates to a hybrid drive assembly and a method for controlling and / or regulating a hybrid drive assembly of a vehicle according to the closer defined in the preamble of claim 1 and 5, respectively.
  • the hybrid drive arrangement usually comprises an internal combustion engine, which can be coupled via a clutch to an electric machine, which in turn is connected directly or likewise via a further clutch to the input shaft of a transmission.
  • a transmission control unit is provided to perform certain gear functions.
  • a hybrid control unit is provided, which controls certain hybrid functions.
  • an engine control unit is provided for the engine control also an engine control unit is provided.
  • the control units can be connected via a vehicle network CAN for data or signal transmission.
  • the present invention is based on the object to propose a method and a hybrid drive arrangement of the types described above, in which it is prevented that hybrid functions and transmission functions influence each other.
  • This object is achieved by the features of claim 1 and 5 respectively. Further advantages and possible embodiments will become apparent from the dependent claims and the description.
  • a method for controlling and / or regulating a hybrid drive arrangement of a vehicle in which operative hybrid functions and operative transmission functions are performed, wherein at least one predetermined activated hybrid function, the transmission function "hold gear” is set. maintained while the affected operative hybrid function is performed or active.
  • the "hold gear” transmission function it is particularly easy to decouple the short-term operative functions from the transmission and the hybrid system.
  • a further development may provide that the transmission function "keep gear" can be parametered for each hybrid function. B. be set for each sub-sequence or for each operational function by parameterization.
  • the transmission function "hold gear” in the hybrid function "engine traction start” and / or “engine booster” and / or “docking while driving” are kept active.
  • the object underlying the invention is also achieved by a hybrid drive arrangement for a vehicle with an engine control unit for controlling the internal combustion engine, with a transmission control unit for carrying out transmission functions and with a hybrid control unit for performing hybrid functions, wherein the hybrid control unit with the transmission control unit via an interface or are coupled, so that the transmission function "keep gear” is active at predetermined hybrid functions.
  • the proposed hybrid drive arrangement there are also the advantages already mentioned, which are made possible by the method according to the invention.
  • the proposed hybrid drive arrangement can be used to carry out or use the aforementioned method.
  • the method there are also other applications of the method conceivable.
  • the hybrid propulsion system proposed according to the invention and the proposed method can be used in parallel hybrid propulsion systems, for example for city buses, distribution trucks and vans. There are also other applications conceivable. It is also possible that the method also takes into account a plurality of electric machines.

Abstract

The invention relates to a method for controlling and/or regulating a hybrid drive arrangement of a vehicle, wherein operative hybrid functions and operative transmission functions are performed, wherein for at least one predetermined activated hybrid function, the transmission function "maintain gear" is set. The invention further relates to a hybrid drive arrangement for a vehicle having an engine control device for controlling the internal combustion engine, having a transmission control device for performing the transmission functions, and having a hybrid control device for performing the hybrid functions, wherein the hybrid control device is coupled to the transmission control device by means of an interface, so that the transmission function "maintain gear" can be activated for predetermined hybrid functions.

Description

Hybridantriebsanordnunq und Verfahren zum Steuern und/oder Regeln einer Hvbhdantriebsanordnunq eines Fahrzeuges A hybrid drive assembly and method for controlling and / or controlling a vehicle drive assembly
Die vorliegende Erfindung betrifft eine Hybridantriebsanordnung und ein Verfahren zum Steuern und/oder Regeln einer Hybridantriebsanordnung eines Fahrzeuges gemäß der im Oberbegriff des Patentanspruches 1 beziehungsweise 5 näher definierten Art.The present invention relates to a hybrid drive assembly and a method for controlling and / or regulating a hybrid drive assembly of a vehicle according to the closer defined in the preamble of claim 1 and 5, respectively.
Aus der Fahrzeugtechnik sind Hybridantriebsanordnungen und Verfahren zum Steuern und/oder Regeln derselben bekannt. Die Hybridantriebsanordnung umfasst üblicherweise einen Verbrennungsmotor, der über eine Kupplung mit einer Elektromaschine koppelbar ist, die wiederum direkt oder ebenfalls über eine weitere Kupplung mit der Eingangswelle eines Getriebes verbunden ist. Zum Ausführen bestimmter Getriebefunktionen ist ein Getriebesteuergerät vorgesehen. Ferner ist ein Hybridsteuergerät vorgesehen, welches bestimmte Hybridfunktionen ansteuert. Für die Motorsteuerung ist zudem ein Motorsteuergerät vorgesehen. Die Steuergeräte können über ein Fahrzeugnetzwerk CAN zur Daten- bzw. Signalübertragung verbunden sein.From vehicle technology hybrid drive arrangements and methods for controlling and / or regulating the same are known. The hybrid drive arrangement usually comprises an internal combustion engine, which can be coupled via a clutch to an electric machine, which in turn is connected directly or likewise via a further clutch to the input shaft of a transmission. To perform certain gear functions, a transmission control unit is provided. Furthermore, a hybrid control unit is provided, which controls certain hybrid functions. For the engine control also an engine control unit is provided. The control units can be connected via a vehicle network CAN for data or signal transmission.
Bei den bekannten Verfahren zum Steuern und/oder Regeln der Hybridantriebsanordnungen hat sich gezeigt, dass sich bestimmte operative Hybridfunktionen und bestimmte Getriebefunktionen gegenseitig beeinflussen, welches unter Umständen für den jeweiligen Ablauf der auszuführenden Funktion nachteilig ist.In the known methods for controlling and / or regulating the hybrid drive arrangements, it has been shown that certain operational hybrid functions and certain transmission functions influence one another, which may be detrimental to the respective sequence of the function to be performed.
Demnach liegt der vorliegenden Erfindung die Aufgabe zu Grunde, ein Verfahren und eine Hybridantriebsanordnung der eingangs beschriebenen Gattungen vorzuschlagen, bei denen verhindert wird, dass sich Hybridfunktionen und Getriebefunktionen gegenseitig beeinflussen. Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruches 1 bzw. 5 gelöst. Weitere Vorteile und mögliche Ausgestaltungen ergeben sich aus den Unteransprüchen und der Beschreibung.Accordingly, the present invention is based on the object to propose a method and a hybrid drive arrangement of the types described above, in which it is prevented that hybrid functions and transmission functions influence each other. This object is achieved by the features of claim 1 and 5 respectively. Further advantages and possible embodiments will become apparent from the dependent claims and the description.
Demnach wird ein Verfahren zum Steuern und/oder Regeln einer Hybridantriebsanordnung eines Fahrzeuges vorgeschlagen, bei dem operative Hybridfunktionen und operative Getriebefunktionen durchgeführt werden, wobei bei zumindest einer vorbestimmten aktivierten Hybridfunktion die Getriebefunktion „Gang halten" gesetzt wird. Somit wird die Getriebefunktion „Gang halten" beibehalten, während die betroffene operative Hybridfunktion durchgeführt beziehungsweise aktiv ist. Bei der Getriebefunktion „ Gang halten" ist es besonders einfach die kurzzeitigen operativen Funktionen von dem Getriebe und dem Hybridsystem zu entkoppeln.Accordingly, a method is proposed for controlling and / or regulating a hybrid drive arrangement of a vehicle in which operative hybrid functions and operative transmission functions are performed, wherein at least one predetermined activated hybrid function, the transmission function "hold gear" is set. maintained while the affected operative hybrid function is performed or active. With the "hold gear" transmission function, it is particularly easy to decouple the short-term operative functions from the transmission and the hybrid system.
Im Rahmen einer möglichen Ausführungsvariante der Erfindung kann vorgesehen sein, dass eine vorbestimmte Hybridfunktion aufgerufen wird, wobei durch die aufgerufene Hybridfunktion ein Bit „Gang halten" generiert wird. Auf diese Weise kann bei jeder oder auch bei ausgewählten Hybridfunktionen die Getriebefunktion „ Gang halten" aktiv bleiben beziehungsweise aktiviert werden.Within the scope of a possible embodiment variant of the invention, provision can be made for a predetermined hybrid function to be called, with the "call hold" bit being generated by the called-up hybrid function In this way, the "keep gear" transmission function can be activated in each case or even in the case of selected hybrid functions stay or be activated.
Eine nächste Weiterbildung kann vorsehen, dass bei jeder Hybridfunktion die Getriebefunktion „Gang halten" paramethert werden kann. Die Getriebefunktion „ Gang halten" kann somit z. B. für jeden einzelnen Teilablauf beziehungsweise für jede operative Funktion durch Parametrisierung gesetzt werden.A further development may provide that the transmission function "keep gear" can be parametered for each hybrid function. B. be set for each sub-sequence or for each operational function by parameterization.
Vorzugsweise kann die Getriebefunktion „ Gang halten" bei der Hybridfunktion „Verbrennungsmotor Schleppstart" und/oder „ Verbrennungsmotor Zustart" und/oder „Ankoppeln während der Fahrt" aktiv gehalten werden. Die der Erfindung zu Grunde liegende Aufgabe wird auch durch eine Hybridantriebsanordnung für ein Fahrzeug mit einem Motorsteuergerät zum Ansteuern des Verbrennungsmotors, mit einem Getriebesteuergerätes zum Ausführen von Getriebefunktionen und mit einem Hybridsteuergerät zum Ausführen von Hybridfunktionen gelöst, wobei das Hybridsteuergerät mit dem Getriebesteuergerät über eine Schnittstelle oder dergleichen gekoppelt sind, so dass die Getriebefunktion „Gang halten" bei vorbestimmten Hybridfunktionen aktiv ist.Preferably, the transmission function "hold gear" in the hybrid function "engine traction start" and / or "engine booster" and / or "docking while driving" are kept active. The object underlying the invention is also achieved by a hybrid drive arrangement for a vehicle with an engine control unit for controlling the internal combustion engine, with a transmission control unit for carrying out transmission functions and with a hybrid control unit for performing hybrid functions, wherein the hybrid control unit with the transmission control unit via an interface or are coupled, so that the transmission function "keep gear" is active at predetermined hybrid functions.
Auf diese Weise kann eine Schnittstelle zwischen dem Getriebesteuergerätes und dem Hybridsteuergerät auf einfachste Weise realisiert werden. Dabei ist es in vorteilhafter Weise nicht erforderlich, dass das Getriebesteuergerät und das Hybridsteuergerät den Ablauf des jeweils anderen Steuergerätes gespeichert hat.In this way, an interface between the transmission control unit and the hybrid control unit can be realized in the simplest way. It is advantageously not necessary for the transmission control unit and the hybrid control unit to have stored the sequence of the respective other control unit.
Bei der vorgeschlagenen Hybridantriebsanordnung ergeben sich auch die bereits genannten Vorteile, die durch das erfindungsgemäße Verfahren ermöglicht werden. Vorzugsweise kann die vorgeschlagene Hybridantriebsanordnung zum Durchführen bzw. zum Einsatz des vorgenannten Verfahrens verwendet werden. Es sind auch andere Anwendungsgebiete des Verfahrens denkbar.In the proposed hybrid drive arrangement, there are also the advantages already mentioned, which are made possible by the method according to the invention. Preferably, the proposed hybrid drive arrangement can be used to carry out or use the aforementioned method. There are also other applications of the method conceivable.
Vorzugsweise können die erfindungsgemäß vorgeschlagene Hybridantriebsanordnung und das vorgeschlagene Verfahren bei Parallelhybrid Antriebssytemen beispielsweise für Stadtbusse, Verteiler- Lastkraftwagen und Transporter eingesetzt werden. Es sind auch andere Einsatzgebiete denkbar. Zudem ist es möglich, dass bei dem Verfahren auch mehrere Elektromaschi- nen berücksichtigt werden. Preferably, the hybrid propulsion system proposed according to the invention and the proposed method can be used in parallel hybrid propulsion systems, for example for city buses, distribution trucks and vans. There are also other applications conceivable. It is also possible that the method also takes into account a plurality of electric machines.

Claims

Patentan sprü ch e Patent Attorney
1. Verfahren zum Steuern und/oder Regeln einer Hybridantriebsanordnung eines Fahrzeuges, bei dem operative Hybridfunktionen und operative Getriebefunktionen durchgeführt werden, dadurch geken n zei ch n et, dass bei zumindest einer vorbestimmten aktivierten Hybridfunktion die Getriebefunktion „Gang halten" gesetzt wird.A method for controlling and / or regulating a hybrid drive arrangement of a vehicle in which operative hybrid functions and operative transmission functions are performed, characterized in that at least one predetermined activated hybrid function, the transmission function "hold gear" is set.
2. Verfahren nach Anspruch 1 , dadurch g e ke n n z e i c h n e t, dass bei einem Aufruf zumindest einer vorbestimmten Hybridfunktion ein Bit „Gang halten" generiert wird.2. The method according to claim 1, characterized in that a bit "keep gear" is generated when a call at least one predetermined hybrid function.
3. Verfahren nach Anspruch 2, dadurch g e ke n n z e i c h n e t, dass bei zumindest vorbestimmten Hybridfunktionen die Getriebefunktion „Gang halten" parametriert wird.3. The method according to claim 2, characterized in that at least predetermined hybrid functions, the transmission function "hold gear" is parameterized.
4. Verfahren nach einem der vorangehenden Ansprüche, dadurch g e k e n n z e i c h n e t, dass bei zumindest einer der folgenden Hybridfunktionen „Verbrennungsmotor Schleppstart" und/oder „Verbrennungsmotor Zustart" und/oder „Ankoppeln während der Fahrt" die Getriebefunktion „Gang halten" aktiv gehalten wird.4. The method according to any one of the preceding claims, characterized in that at least one of the following hybrid functions "internal combustion engine towing start" and / or "engine assist" and / or "coupling while driving" the transmission function "hold gear" is kept active.
5. Hybridantriebsanordnung für ein Fahrzeug mit einem Motorsteuergerät zum Ansteuern des Verbrennungsmotors, mit einem Getriebesteuergerät zum Ausführen der Getriebefunktionen und mit einem Hybridsteuergerät zum Ausführen der Hybridfunktionen, insbesondere zum Ausführen eines Verfahrens nach einem der vorangehenden Ansprüche, dadurch geken n ze i c h n e t, dass das Hybridsteuergerät mit dem Getriebesteuergerät über eine Schnittstelle miteinander gekoppelt sind, so dass bei vorbestimmten Hybridfunktionen die Getriebefunktion „Gang halten" aktivierbar ist. 5. Hybrid drive arrangement for a vehicle with an engine control unit for driving the internal combustion engine, with a transmission control unit for carrying out the transmission functions and with a hybrid control unit for performing the hybrid functions, in particular for carrying out a method according to one of the preceding claims, characterized in that the hybrid control unit are coupled to the transmission control unit via an interface with each other, so that at predetermined hybrid functions, the transmission function "hold gear" can be activated.
PCT/EP2008/063939 2007-10-24 2008-10-16 Hybrid drive arrangement and method for controlling and/or regulating a hybrid drive arrangement of a vehicle WO2009053297A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007050826.5 2007-10-24
DE102007050826A DE102007050826A1 (en) 2007-10-24 2007-10-24 Hybrid drive arrangement and method for controlling and / or regulating a hybrid drive arrangement of a vehicle

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Publication number Priority date Publication date Assignee Title
DE102012217207B4 (en) * 2012-09-24 2015-06-11 Schaeffler Technologies AG & Co. KG Method and device for driving a drive train of a vehicle

Citations (4)

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Publication number Priority date Publication date Assignee Title
US5923093A (en) * 1996-07-02 1999-07-13 Toyota Jidosha Kabushiki Kaisha Hybrid vehicle drive system adapted to assure smooth brake application by motor/generator or engine
EP0962683A2 (en) * 1998-06-04 1999-12-08 Honda Giken Kogyo Kabushiki Kaisha Control system for automatic vehicle transmission
DE19946335A1 (en) * 1998-10-08 2000-04-13 Luk Getriebe Systeme Gmbh Influencing gear change process involves detecting when vehicle is travelling round bend and influencing gear change process so longitudinal forces acting on driven wheels decrease
EP1580465A2 (en) * 2004-03-23 2005-09-28 Scania CV AB (publ) Gear shift prevention

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923093A (en) * 1996-07-02 1999-07-13 Toyota Jidosha Kabushiki Kaisha Hybrid vehicle drive system adapted to assure smooth brake application by motor/generator or engine
EP0962683A2 (en) * 1998-06-04 1999-12-08 Honda Giken Kogyo Kabushiki Kaisha Control system for automatic vehicle transmission
DE19946335A1 (en) * 1998-10-08 2000-04-13 Luk Getriebe Systeme Gmbh Influencing gear change process involves detecting when vehicle is travelling round bend and influencing gear change process so longitudinal forces acting on driven wheels decrease
EP1580465A2 (en) * 2004-03-23 2005-09-28 Scania CV AB (publ) Gear shift prevention

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