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FR2793930A1 - Management system for vehicle drive chain includes IC engine and electric motor managed in conjunction with navigation system - Google Patents

Management system for vehicle drive chain includes IC engine and electric motor managed in conjunction with navigation system Download PDF

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Publication number
FR2793930A1
FR2793930A1 FR9906305A FR9906305A FR2793930A1 FR 2793930 A1 FR2793930 A1 FR 2793930A1 FR 9906305 A FR9906305 A FR 9906305A FR 9906305 A FR9906305 A FR 9906305A FR 2793930 A1 FR2793930 A1 FR 2793930A1
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FR
France
Prior art keywords
vehicle
electric motor
chain
terms
engine
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR9906305A
Other languages
French (fr)
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FR2793930B1 (en
Inventor
Jerome Griffart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR9906305A priority Critical patent/FR2793930B1/en
Publication of FR2793930A1 publication Critical patent/FR2793930A1/en
Application granted granted Critical
Publication of FR2793930B1 publication Critical patent/FR2793930B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • 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
    • B60W20/12—Controlling the power contribution of each of the prime movers to meet required power demand using control strategies taking into account route information
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2210/00—Detection or estimation of road or environment conditions; Detection or estimation of road shapes
    • B60T2210/30—Environment conditions or position therewithin
    • B60T2210/36—Global Positioning System [GPS]
    • 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
    • B60W2556/00—Input parameters relating to data
    • B60W2556/45—External transmission of data to or from the vehicle
    • B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
    • 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
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/84—Data processing systems or methods, management, administration

Landscapes

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

Abstract

The system uses planned route information to enable optimum fuel consumption and pollutant levels. The management system provides control for the drive system (1) of a vehicle, which may include two different types of motor or engine (11,12) operated selectively and using different source of energy. The system operates in conjunction with a navigational aide which is used to determine a particular route for the vehicle, and provides control parameters for the elements (2,3,4) which control the vehicle drive. The control (5) may be optimized in terms of fuel consumption, or in terms of pollution. Alternatively it may be optimized in terms of performance. The engines used may include one which is either petrol or diesel, and one electric motor. The electric motor may be used in towns to cut down pollution, whilst the diesel one may be used on open roads for fuel economy.

Description

La présente invention concerne un système de gestion du fonction nement de moyens formant une chaîne de motorisation d'un véhicule automo bile. The present invention relates to a system for managing the operation of means forming a motorization chain of an automobile vehicle.

Le fonctionnement de tels moyens est actuellement figé<B>à</B> la construc tion du véhicule, sur des valeurs de compromis entre consommation, pollution, performances et autres, pour permettre au véhicule de se déplacer sur tout type de trajet. The operation of such means is currently frozen <B> to </ B> the construction of the vehicle, on values of compromise between consumption, pollution, performance and others, to allow the vehicle to move on any type of path.

On conçoit cependant que ceci présente un certain nombre d'inconvé nients, car la plupart du temps, ces paramètres de contrôle du fonctionnement des moyens formant la chaîne de motorisation du véhicule, ne sont pas adaptés aux conditions de déplacement rencontrées. However, it is conceivable that this has a number of disadvantages, because most of the time, these control parameters of the operation of the means forming the motorization chain of the vehicle, are not adapted to the conditions of displacement encountered.

Le but de l'invention est donc de résoudre ces problèmes. The object of the invention is therefore to solve these problems.

<B>A</B> cet effet, l'invention a pour objet un système de gestion du fonction nement de moyens formant une chaîne de motorisation d'un véhicule automo bile, et dont le fonctionnement est établi<B>à</B> partir de paramètres de contrôle, ca ractérisé en ce qu'il comporte un système d'aide<B>à</B> la navigation du véhicule, permettant de déterminer un trajet de déplacement du véhicule et des moyens de réglage des paramètres de contrôle des moyens formant la chaîne de motori sation du véhicule pour optimiser le fonctionnement de ceux-ci en fonction des conditions de déplacement du véhicule le long du trajet de déplacement. For this purpose, the object of the invention is a system for managing the operation of means forming a motorisation chain of an automotive vehicle, the operation of which is established <B> at </ b>. B> from control parameters, ca caracterized in that it comprises a system of help <B> to </ B> the navigation of the vehicle, for determining a path of movement of the vehicle and means for adjusting the parameters controlling the means forming the motorization chain of the vehicle to optimize the operation thereof as a function of the conditions of movement of the vehicle along the path of travel.

L'invention sera mieux comprise<B>à</B> la lecture de la description qui va suivre, donnée uniquement<B>à</B> titre d'exemple et faite en se référant au dessin an nexé, qui représente un schéma synoptique illustrant la structure et le fonction nement d'un tel système. The invention will be better understood by reading the description which will follow, given only by way of example and made with reference to the appended drawing, which represents a block diagram illustrating the structure and function of such a system.

On a représenté sur cette figure, un système de gestion du fonction nement de moyens formant une chaîne de motorisation d'un véhicule automo bile, qui est désignée par la référence générale<B>1</B> sur cette figure. There is shown in this figure, a system for managing the operation of means forming a motorization chain of a motor vehicle, which is designated by the general reference <B> 1 </ B> in this figure.

Cette chaîne de motorisation comprend différents organes, tels que par exemple un ou plusieurs moteurs désignés par la référence générale 2 sur cette figure, une boîte de vitesses désignée par la référence générale<B>3,</B> un mé canisme de transmission désigné par la référence générale 4, etc. This drive chain comprises various members, such as for example one or more motors designated by the general reference 2 in this figure, a gearbox designated by the general reference <B> 3, </ b> a designated transmission mechanism. by the general reference 4, etc.

Le fonctionnement de ces différents moyens est établi de façon clas sique,<B>à</B> partir de paramètres de contrôle qui sont délivrés par des moyens de commande désignés par la référence générale<B>5</B> sur cette figure. Selon l'invention, le système de gestion comporte un système d'aide<B>à</B> la navigation désigné par la référence générale<B>6</B> sur cette figure, qui permet de déterminer de façon classique, un trajet de déplacement du véhicule et qui est associé aux moyens de commande<B>5</B> pour permettre<B>à</B> ceux-ci de régler les pa ramètres de contrôle des différents moyens formant la chaîne de motorisation du véhicule, pour optimiser le fonctionnement de ceux-ci, en fonction des conditions de déplacement du véhicule le long du trajet de déplacement. The operation of these various means is established in a conventional manner, from control parameters which are delivered by control means designated by the general reference in this figure. BRIEF DESCRIPTION OF THE DRAWINGS . According to the invention, the management system comprises a system for assisting <B> to </ B> the navigation designated by the general reference <B> 6 </ B> in this figure, which makes it possible to determine in a conventional manner, a path of movement of the vehicle which is associated with the control means <B> 5 </ B> to allow <B> to </ B> thereof to adjust the control parameters of the various means forming the drive chain of the vehicle, to optimize the operation thereof, according to the conditions of movement of the vehicle along the path of travel.

De façon classique, un système d'aide<B>à</B> la navigation comporte un calculateur désigné par la référence générale<B>7</B> associé<B>à</B> des moyens d'entrée d'informations désignés par la référence générale<B>8, à</B> une base de données géographiques, désignée par la référence générale<B>9,</B> et<B>à</B> des moyens d'affi chage d'informations, désignés par la référence générale<B>10.</B> Typically, a help system <B> to </ B> navigation includes a calculator designated by the general reference <B> 7 </ B> associated <B> to </ B> of the input means information designated by general reference <B> 8, to </ B> a geographical database, designated by the general reference <B> 9, </ B> and <B> to </ B> means of display of information, designated by the general reference <B> 10. </ B>

Un tel système d'aide<B>à</B> la navigation permet de déterminer un trajet de déplacement du véhicule entre des points d'origine et de destination tels qu'entrés par un utilisateur dans le calculateur<B>7</B> par l'intermédiaire des moyens d'entrée d'informations<B>8</B> et<B>à</B> l'aide d'informations stockées dans la base de don nées géographiques<B>9.</B> Such a help system <B> to </ B> navigation makes it possible to determine a path of movement of the vehicle between origin and destination points as entered by a user in the calculator <B> 7 </ B> via the information input means <B> 8 </ B> and <B> to </ B> using information stored in the geographic database <B> 9. </ B>

Dans l'exemple de réalisation décrit, cette base de données est em barquée<B>à</B> bord du véhicule, mais il va de soi qu'une base de données externe au véhicule peut également être envisagée. In the exemplary embodiment described, this database is emitted <B> at </ B> edge of the vehicle, but it goes without saying that a database external to the vehicle can also be envisaged.

L'itinéraire calculé peut alors être affiché par exemple sur les moyens d'affichage<B>10.</B> The calculated route can then be displayed for example on display means <B> 10. </ B>

De plus, les informations de la base de données<B>9</B> peuvent également être utilisées pour optimiser le fonctionnement des moyens formant la chaîne de motorisation<B>1</B> du véhicule, en termes de consommation, de pollution, de perfor mances, etc.,. In addition, information from the database <B> 9 </ B> can also be used to optimize the operation of the means forming the motor chain <B> 1 </ B> of the vehicle, in terms of consumption, pollution, performance, etc.,.

En effet, en disposant d'informations concernant le trajet de déplace ment que le véhicule va emprunter, délivrées par le système d'aide<B>à</B> la naviga tion, les moyens de commande<B>5</B> sont adaptés pour régler les paramètres de contrôle du fonctionnement de ces moyens formant la chaîne de motorisation, pour optimiser celui-ci. Indeed, by having information on the travel path that the vehicle will take, issued by the help system <B> to </ B> navigation, control means <B> 5 </ B > are adapted to adjust the control parameters of the operation of these means forming the motorization chain, to optimize it.

Un tel système peut par exemple être utilisé dans un véhicule hybride dans lequel les moyens formant la chaîne de motorisation comprennent au moins deux moteurs utilisant des sources d'énergie différentes, comme cela est illustré sur cette figure, les deux moteurs étant désignés par les références géné rales<B>11</B> et 12. Such a system may for example be used in a hybrid vehicle in which the means forming the drive chain comprise at least two engines using different energy sources, as shown in this figure, the two engines being designated by the references General <B> 11 </ B> and 12.

L'un de ces moteurs peut être un moteur, par exemple de type<B>à</B> es sence ou Diesel, et l'autre, un moteur électrique. One of these engines can be a motor, for example of the type <B> to </ B> or Diesel, and the other, an electric motor.

Les moyens de réglage<B>5</B> peuvent alors être adaptés pour activer sé lectivement l'un ou l'autre de ces moteurs, selon les conditions de déplacement rencontrées le long du trajet, le moteur électrique étant activé de préférence par exemple en ville, pour réduire le niveau des émissions polluantes et le moteur<B>à</B> essence ou Diesel, étant activé sur autoroute ou autre. The adjustment means <B> 5 </ B> can then be adapted to selectively activate one or the other of these motors, according to the displacement conditions encountered along the path, the electric motor being preferably activated by example in the city, to reduce the level of polluting emissions and the engine <B> to </ B> gasoline or diesel, being activated on highway or other.

<B>Il</B> va de soi bien entendu que différents modes de réalisation d'un tel système peuvent être envisagés.<B> Of course it goes without saying that different embodiments of such a system can be envisaged.

Claims (1)

<B><U>REVENDICATIONS</U></B> <B>1.</B> Système de gestion du fonctionnement de moyens formant une chaîne de motorisation<B>(1)</B> d'un véhicule automobile, et dont le fonctionnement est établi<B>à</B> partir de paramètres de contrôle, caractérisé en ce qu'il comporte un système<B>(6)</B> d'aide<B>à</B> la navigation du véhicule, permettant de déterminer un trajet de déplacement du véhicule et des moyens<B>(5)</B> de réglage des paramètres de contrôle des moyens (2,3,4) formant la chaîne de motorisation<B>(1)</B> du véhicule, pour optimiser le fonctionnement de ceux-ci en fonction des conditions de dépla cement du véhicule le long du trajet de déplacement. 2. Système selon la revendication<B>1,</B> caractérisé en ce que les moyens de réglage<B>(5)</B> sont adaptés pour optimiser le fonctionnement des moyens for mant la chaîne de motorisation en terme de consommation. <B>3.</B> Système selon la revendication<B>1</B> ou 2, caractérisé en ce que les moyens de réglage<B>(5)</B> sont adaptés pour optimiser le fonctionnement des moyens formant la chaîne de motorisation en terme de pollution. 4. Système selon la revendication<B>1</B> ou 2, caractérisé en ce que les moyens de réglage<B>(5)</B> sont adaptés pour optimiser le fonctionnement des moyens formant la chaîne de motorisation en terme de performances. <B>5.</B> Système selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens formant la chaîne de motorisation du véhicule comprennent au moins deux moteurs<B>(11, 1</B>2) utilisant des sources d'énergie dif férentes et en ce que les moyens de réglage<B>(5)</B> sont adaptés pour activer sélec tivement l'un ou l'autre de ces moteurs.<B> <U> CLAIMS </ U> </ B> <B> 1. </ B> System for managing the operation of means forming a motorisation chain <B> (1) </ B> of a vehicle automotive, and whose operation is established <B> to </ B> from control parameters, characterized in that it comprises a system <B> (6) </ B> help <B> to </ B> the navigation of the vehicle, for determining a path of movement of the vehicle and means <B> (5) </ B> for adjusting the control parameters of the means (2,3,4) forming the drive chain < B> (1) </ B> of the vehicle, to optimize the operation thereof according to the conditions of movement of the vehicle along the path of travel. 2. System according to claim <B> 1, </ B> characterized in that the adjustment means <B> (5) </ B> are adapted to optimize the operation of the means for mant the chain of motorization in terms of consumption. <B> 3. </ B> System according to claim <B> 1 </ B> or 2, characterized in that the adjustment means <B> (5) </ B> are adapted to optimize the operation of the means forming the motorisation chain in terms of pollution. 4. System according to claim <B> 1 </ B> or 2, characterized in that the adjusting means <B> (5) </ B> are adapted to optimize the operation of the means forming the drive chain in term performance. <B> 5. </ B> System according to any one of the preceding claims, characterized in that the means forming the motorization chain of the vehicle comprise at least two motors <B> (11, 1 </ B> 2) using different energy sources and that the adjustment means <B> (5) </ B> are adapted to selectively activate one or the other of these engines.
FR9906305A 1999-05-18 1999-05-18 SYSTEM FOR MANAGING THE OPERATION OF MEANS FORMING A MOTORIZATION CHAIN OF A MOTOR VEHICLE Expired - Fee Related FR2793930B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9906305A FR2793930B1 (en) 1999-05-18 1999-05-18 SYSTEM FOR MANAGING THE OPERATION OF MEANS FORMING A MOTORIZATION CHAIN OF A MOTOR VEHICLE

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Application Number Priority Date Filing Date Title
FR9906305A FR2793930B1 (en) 1999-05-18 1999-05-18 SYSTEM FOR MANAGING THE OPERATION OF MEANS FORMING A MOTORIZATION CHAIN OF A MOTOR VEHICLE

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FR2793930A1 true FR2793930A1 (en) 2000-11-24
FR2793930B1 FR2793930B1 (en) 2002-10-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270303A2 (en) * 2001-06-11 2003-01-02 Siemens Aktiengesellschaft Method for controlling the power train of a hybrid vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570087A (en) * 1994-02-18 1996-10-29 Lemelson; Jerome H. Motor vehicle performance monitor and method
US5892346A (en) * 1995-02-27 1999-04-06 Kabushikikaisha Equos Research Vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570087A (en) * 1994-02-18 1996-10-29 Lemelson; Jerome H. Motor vehicle performance monitor and method
US5892346A (en) * 1995-02-27 1999-04-06 Kabushikikaisha Equos Research Vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270303A2 (en) * 2001-06-11 2003-01-02 Siemens Aktiengesellschaft Method for controlling the power train of a hybrid vehicle
EP1270303A3 (en) * 2001-06-11 2006-03-01 Siemens Aktiengesellschaft Method for controlling the power train of a hybrid vehicle

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Effective date: 20100129