EP1773614A1 - Dispositif de controle d'une transmission automatisee pour groupe moto-propulseur d'un vehicule automobile, et procede associe - Google Patents
Dispositif de controle d'une transmission automatisee pour groupe moto-propulseur d'un vehicule automobile, et procede associeInfo
- Publication number
- EP1773614A1 EP1773614A1 EP05792237A EP05792237A EP1773614A1 EP 1773614 A1 EP1773614 A1 EP 1773614A1 EP 05792237 A EP05792237 A EP 05792237A EP 05792237 A EP05792237 A EP 05792237A EP 1773614 A1 EP1773614 A1 EP 1773614A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- engine
- module
- calculation means
- torque
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 6
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000013519 translation Methods 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 61
- 238000005457 optimization Methods 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims description 2
- 230000006870 function Effects 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 3
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005032 impulse control Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
Definitions
- Device for controlling an automated transmission for a powertrain of a motor vehicle and associated method.
- the present invention relates to a control device for controlling a transmission for a motor-propeller unit of an automobile vehicle.
- This control device advantageously applies to automated transmissions including the so-called Impulse Control Boxes BCI, the so-called automatic gearboxes.
- BVA and BVR Robotised Gearboxes, but also continuous-ratio transmissions, such as CVT (Continuous Variable Transmission in English), IVT (Infinitel y Variable Transmission) and hybrid transmissions .
- An automated transmission of a vehicle automobiically comprises a control block receiving one or more input parameters interpreting, among others, the will of the driver. Then, depending on the value of these parameters, the control block delivers a command setpoint for the wheels of the motor vehicle.
- the IVC module generates a torque setpoint to be applied to the wheels for an OPF operating point optimization block.
- the IVC module elaborates this torque setpoint according to the will of the driver, the characteristics of the motor vehicle and its environment, in order to better adapt the behavior of the motor vehicle.
- the block OPF able to produce the coordinates of an operating point of the power unit, transmits for this purpose said torque for a torque control to be applied to the wheels of the automobile vehicle.
- the block OPF simultaneously generates a motor control setpoint developed from said torque to be applied to the wheels of the motor vehicle.
- a third COS module (System Control) translates the coordinates of the operating point into control signals adapted to the power unit.
- control device described in document FR-A-2827339 is integrated within a single computer or calculation means.
- a conventional hardware architecture has two calculators or different calculation means, one dedicated to the calculations of the controls and parameters of the heat engine, the other to the calculations of the controls and parameters of the engine. transmission.
- Such an architecture requires, on the one hand, an appropriate distribution of the tasks performed by the various modules mentioned above, and on the other hand a security of the information exchanges between the different modules.
- These adaptations allow a torque control to be applied to the wheel without risk for the driver and passengers of the motor vehicle. They also allow standardization of manual and automatic transmission controls for automobi vehicles of the same range, for example, where only the calibrations will differ.
- the present invention aims to overcome the aforementioned drawbacks.
- the principle of the invention provides for the distribution of the different modules of the control device according to the role of each in relation to the engine and the automated transmission, as well as the parameters involved.
- the invention proposes a device for controlling an automated transmission for a power unit of an automobile vehicle comprising a first calculation means capable of driving a heat engine of the power unit of the motor vehicle and a second calculation means adapted to pil oter the engine and the automated transmission of the motor vehicle and connected to the first calculation means by a communication network.
- the control device further comprises: - a first interpretation module capable of generating a torque to be applied to the wheels of the automobi vehicle comprising a dynamic component and a static component, and interpreting the driver's will based on data from representative of the characteristics of the motor vehicle, the will of the driver and the environment of the motor vehicle, a second optimi sation module able to optimize a point of operation of the powertrain in a function of the torque setpoint to be applied to the wheel delivered by said first module, and
- a third translation module capable of translating the coordinates of the operating point into control signals adapted to the propulsion unit.
- the first calculation means capable of controlling the heat engine essentially comprises the first interpretation module and the second optimization module.
- the second calculation means capable of controlling the heat engine and the automated transmission essentially comprises the third translation module.
- the distribution of the different modules according to the two calculation means dedicated respectively to the powertrain and the transmission of the motor vehicle allows to simultaneously set values used jointly by modules included in the same calculation means.
- the communication network comprises means capable of setting up a specific data exchange protocol, verifying that the data received by a calculator are effectively the latest data being updated by the other calculation. ator.
- the first calculation means further comprises a logici el dedicated to the pi lotage of the thermal engine of the automatic vehicle, able to determine the actions to operate on said engine.
- the automated transmission advantageously comprises members and at least one electric motor associated with at least one element for storing electrical energy.
- the electric machines are able to operate at least a part of their operating time as a motor of traction of the motor vehicle.
- the use of a hybrid power unit thus makes it possible to reduce the energy consumption of the motor vehicle, since at least one electric motor can operate in the recovery of electrical energy.
- the second calculation means further comprises a software dedicated to controlling the automatic transmission of the motor vehicle, able to determine the actions to be performed on said organs of the automated transmission.
- the second optimization module is powered with the following input parameters: the dynamic component of the torque setpoint to be applied to the wheels of the motor vehicle, the static component of the torque setpoint applicable to the wheels of the vehicle; motor vehicle, - a positive limit setpoint for the speed gradient for the engine, a negative limitation setpoint for the engine engine speed gradient, the input parameters being generated by means included in the first module of the engine; interpretation.
- the second optimization module comprises means for generating a speed reference for the heat engine, for correcting the dynamic component of the torque setpoint to be applied to the wheels of the motor vehicle and generating a new dynamic component. of the torque setpoint to be applied to the wheels of the motor vehicle.
- the communication network comprises means capable of transferring the speed reference for the heat engine and the dynamic component of the setpoint of torque to be applied to the wheel of the automobile vehicle, from the second optimization module to the third translation module.
- the third modul e comprises means capable of generating a new speed setpoint for the heat engine, torque setpoints for the motor vehicle's electric motor, current, voltage or power setpoints. , for the storage elements of the electrical energy and a motor torque setpoint intended for the heat engine.
- the communication network comprises means capable of transferring the instruction of the engine to the engine, the third translation module to the software capable of controlling the engine.
- the automatic transmission and the engine of the motor vehicle are powered by a command set generated respectively by the control software of the automated transmission and the engine of the motor vehicle.
- the software for controlling the automated transmission, the thermal engine and the electric motor of the motor vehicle can be powered by data respectively from integrated sensors at the level of the automated transmission and at the level of the combustion engine. motor vehicle.
- the first interpretation module may be powered by instructions for anti-locking the wheels or for controlling the trajectory of the motor vehicle, delivered by additional calculation means.
- Another aspect of the invention relates to a method for controlling an automated transmission of a power unit for a motor vehicle, generating in a first means calculation, data for driving a heat engine of the motor-driven unit of the motor vehicle, and in a second calculation means, data for controlling the engine and the automated transmission of the motor vehicle.
- the first calculation means interpreting the will of the driver, a set torque to be applied to the wheels of the motor vehicle and optimizes a specific operating point according to said torque to be applied to the wheels of the motor vehicle.
- the coordinates of the operating point are translated into control signals adapted to the power unit.
- data is exchanged between the first and the second calculation means via a secure communication network.
- FIG. 1 is a block diagram of an example of embodiment of a control device of an automated transmission
- FIG. 2 represents more precisely the control device of an automated transmission represented in FIG. 1
- FIG. 3 schematically illustrates a variant of the control device of an automated transmission.
- the control device 1 DC comprises a first input block 2 and two calculation means able to drive a power unit (60) comprising a heat engine (MTH) 4 and an automated transmission 6.
- the first calculation means 3 is capable of controlling the heat engine 4.
- the second calculation means 5 is able to develop instructions for controlling the heat engine 4 and the automatic transmission 6.
- Control commands and command_m are transmitted to the automatic transmission 6 and to the heat engine 4 respectively by connections 7 and 8.
- the calculation means 3 and 5 take into account the information of the sensor_ ⁇ n and sensor_t signals emitted by sensors
- a communication network 1 1 connects the two means of calcu) 3 and 5, allowing a secure data exchange according to a method described in more detail below.
- the automated transmission 6 controls the wheels 12 of the motor vehicle through control means 13 known to those skilled in the art.
- the automated transmission 6 is also returned to the heat engine 4 via a connection 14.
- the function of the input block 2 is to supply the input parameters to the calculation means 3 and 5, respectively via the connections 15 and 16.
- the input block 2 receives via connections 17 and 18 information from detectors (not shown) integrated in the calculation means s 3 and 5, to identify operating anomalies.
- the input block 2 comprises three modules 19, 20 and 21. Each of these three modules delivers to the calculation means 3 and 5 and to the set of functional blocks that they comprise, a predetermined type of input data.
- a first module 19 noted CarV is able to elaborate the data concerning the characteristics of the automatic vehicle. These are programmed and stored in a memory common to device 1 DC (not shown). These data are defined by the manufacturer of the motor vehicle to characterize the behavior of the motor vehicle.
- a second module 20 noted HMI is capable of developing data concerning the will of the driver. These data interpret the wishes of the driver. They may comprise, for example, signals representative of the brake or acceleration pedal of the motor vehicle or a signal interpreting the sportiness of the driver.
- a third module noted 21 ENV is able to develop signals concerning the environment of the motor vehicle. These allow to take into account the state of the motor vehicle and its situation in the environment. They include, for example, signals corresponding to the speed of the motor vehicle or to the acceleration of the motor vehicle.
- the signals delivered by the three modules 19, 20 and 21 are developed from the signals from the sensors integrated in the motor vehicle (not shown).
- FIG. 2 describes in more detail the control device of FIG. 1 illustrating the distribution in the two calculation means 3 and 5 of the various modules for control of an automated transmission, as presented in document FR-A-2S27339 in the name of the Applicant.
- the control device comprises a first interpretation module 22 IVC (Interpretation of the Conductor's Will) integrated with the engine calculation means 3.
- the module 22 comprises generation means 23 MG_IVC, able to generate a torque setpoint to be applied. to the wheels of the motor vehicle by interfering with the theft of the driver.
- This torque setpoint comprises two components, a dynamic component Cd and a static component Cs.
- the dynamic torque set point Cd is the value of the torque that the driver wishes to achieve instantly.
- the static torque instruction Cs is defined as the torque that the driver could request and that the powertrain must make immediately available at the wheels of the motor vehicle. Consideration Cs is slowly evolving. Indeed, it is not intended to respond to an immediate request from the driver. It must reflect a trend imposed by the behavior of the driver for a pre - determined period. In other words, the torque Cs corresponds to the torque value applied to the wheels of the motor vehicle that the driver wishes to obtain by recharging the acceleration pedal of the motor vehicle.
- the generating means 23 can also generate a setpoint for limiting engine speed variations.
- the engine speed variation limitation defines the maximum variation of engine speed during a specified time interval.
- the limitation of engine speed variati ons consists of two components: a component of the limiting signal of the variations of the engine speed to limit the variations of the engine speed towards the direction of reduction, lim_rpm_neg, a component of the signal of limitation of the variations of the engine control to limit the variations of the engine speed towards the direction of increase, lim_rpm_pos.
- the module 22 elaborates these data from the input data delivered by the input block 2 and transmits them to a second optimization module 24 OPF (Optimization of the Operating Point).
- OPF Optimization of the Operating Point
- the dynamic Cd and static components Cs are respectively transmitted by the connections 25 and 26 to the optimization module 24.
- the components of the limiting signal of the positive engine speed variations lim_rpm_pos and negative lim_rpm_neg are respectively transmitted by the connections 27 and 28 to the module 24. Since the module 24 is also in the engine calculation means 3, the number of data exchanged on the communication network 11 is limited.
- the module 24 calculates the coordinates (engine speed, torque to be applied to the wheel) of the operating point of the power unit 60.
- the module 24 has generation means 29 MG_OPF which develop, from the parameters delivered by the module 22 and the input block 2, a new dynamic torque component Cd_new to be applied to the wheel and an engine speed setpoint. N_new.
- the modules 22 and 24 of the engine calculation means 3 calculate so-called high level data intended for other blocks of the control device 1 and used to produce data for the entire power unit 60.
- the data Cd_new and N_new are transmitted from the engine calculation means 3 to the transmission calculation means 5, via the subnet 30 of the communication network 11.
- the sub-network 30 transfers data from the engine calculation means 3 to the transmission calculation means 5. It comprises two connections 31 and 32 respectively for the transfer of the engine speed setpoint N_new and the new dynamic component Cd_new of torque to apply to the wheel.
- the transfer of these data is secured by security means 33 MS capable of setting up a specific data exchange protocol on the subnet 30, by the connection 34.
- the secure exchange protocol may for example be that described in FIG. U.S. Patent No. 5,734,322 filed by NISSAN, which is intended for motor vehicles having automated transmissions.
- the exchange protocol presented in document US Pat. No. 5,734,322 makes it possible to ensure that the information transmitted between two modules is indeed new information emitted and not the copy of previous information. For this, a control signal is emitted via a transmission circuit between the engine calculation means and the transmission calculation means, for example. The value emitted is compared with the expected value.
- the receiver calculation means here the transmission calculation means, can activate a suitable safe mode.
- This ref uge mode may for example, allow the motor vehicle to drive at low speed, to avoid endangering the occupants of the motor vehicle.
- the calculation means 5 From the instructions N_New and Cd_New, the calculation means 5 elaborates so-called low level data.
- the low level data are intended for software dedicated to the development of instructions for heat engine 4 and automated transmission 6. The software will be described more precisely below.
- the instructions Cd_new and N_new are generated for the third translation module 35 COS, implanted in the transmission calculation means 5.
- the module 35 described in the document FR-A-2827339 in the name of the Applicant, allows to translate the coordinates of the operating point developed by the module 24 OPF, in signals adapted to the powertrain.
- generating means 36 MG_COS of the module 35 From the setpoints Cd_new and N_new, generating means 36 MG_COS of the module 35 generates a set target target engine N_target, torque setpoints C l, ..., Cn.
- the torque setpoints C l, ..., Cn are intended for electric motors 6a MEL, included in the transmission 6, in the case of a hybrid engine, that is to say having both a heat engine and at least one electric motor.
- the generation means 36 also generate current and / or voltage and / or power instructions E l, ..., En, for electrical energy storage means (not shown) associated with the electric motors 6
- the module 37 comprises conventional automatic or robotic transmission control software. It deduces from the parameters received at the input, the actions to be performed on the electric motors 4a and various members 6b included in the automated transmission 6 of the motor vehicle, such as, for example, the clutch or the brakes. The The actions to be performed are transmitted via the connection 10 to the automated transmission 6.
- the generating means 36 of the module 35 produce a torque set Cth for the heat engine 4.
- the set point Cth is transmitted to the module 43 via a sub-network 44 of the communication network 11, capable of providing data transfers from the calculation means 5 to the motor calculation means 3.
- the instruction Cth is transmitted permanently to the module 43 via a connection 45 of the sub-network 44.
- the security means 33 develop an exchange protocol so as to secure, by a connection 46, the transfers made by the sub-network 44.
- the module 43 is dedicated to the control of the heat engine 4. It comprises a conventional engine control software.
- the module 43 translates the set point Cth into actions on the various members (not shown) of the heat engine 4 such as, for example, the throttle valves or the injectors (not shown).
- the actions to be performed are transmitted via the connection 8 to the heat engine 4b.
- FIG. 3 represents an embodiment of the invention in the context of a so-called "intersystem” operation, that is to say implementing several modules capable of generating functions for controlling the operation of a motor vehicle .
- the control functions include, for example, anti-locking of the so-called ABS wheels ("Anti-lock Braking System” in English) or the control function of the vehicle track called ESP function ("Electronic Stability"). Program "in English language).
- ABS wheels Anti-lock Braking System
- ESP function Electronic Stability
- these various controls are performed by a torque for the motor vehicle engine automobi.
- these functions perform a coupling control to be applied to the wheels of the motor vehicle.
- the control setpoint to be applied to the wheel is then taken into account at the level of the module 23, so that the module 35, shown in FIG. 2, integrates them directly by translating the coordinates of the operating point.
- Additional calculation means 50 MC ABS / ESP are able to control the brakes 51 of the vehicle automobi connected to the wheels 12 of the motor vehicle by a connection 52 and the heat engine 4 by another connection 53.
- the additional calculation means 50 develop actions to be performed which are transmitted by a connection 54 to the brakes 51 of the motor vehicle, taking into account the information i ssues different sensors (not shown) located at the level of the brakes 51. This information from the brake sensors 5 1 of the motor vehicle is transmitted via a connection 55.
- the data entered by the additional calculating means 50 take into account input data delivered by the block 2 via a connection 56.
- the input block 2 receives via a connection 57 of the information from detectors (not shown) integrated in the calculation means 50, in order to identify operating anomalies.
- the additional calculation means 50 issue requests for the module 22. These requests (C_ments) are transmitted via a connection 59 d ' a communication network 58, communication network_f.
- the errors are limited to the setpoint and there is no error in estimating the actual ratio of the transmission, as in the case of a conspicient generated in engine torque and intended for the engine.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0408261A FR2873642B1 (fr) | 2004-07-27 | 2004-07-27 | Dispositif de controle d'une transmission automatisee pour groupe moto-propulseur d'un vehicule automobile, et procede associe |
PCT/FR2005/050585 WO2006018565A1 (fr) | 2004-07-27 | 2005-07-13 | Dispositif de controle d'une transmission automatisee pour groupe moto-propulseur d'un vehicule automobile, et procede associe |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1773614A1 true EP1773614A1 (fr) | 2007-04-18 |
Family
ID=34947479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05792237A Withdrawn EP1773614A1 (fr) | 2004-07-27 | 2005-07-13 | Dispositif de controle d'une transmission automatisee pour groupe moto-propulseur d'un vehicule automobile, et procede associe |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070219687A1 (fr) |
EP (1) | EP1773614A1 (fr) |
JP (1) | JP2008508134A (fr) |
FR (1) | FR2873642B1 (fr) |
WO (1) | WO2006018565A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070150132A1 (en) * | 2005-12-12 | 2007-06-28 | Ducharme Leonard A | Integrated electric motor control/transmission control system for use with variable transmissions in electric vehicles |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3656273B2 (ja) * | 1995-04-17 | 2005-06-08 | 日産自動車株式会社 | エンジンおよび自動変速機間の通信線の異常検出装置 |
DE19703863A1 (de) * | 1997-02-03 | 1998-08-06 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung des Antriebsstrangs eines Kraftfahrzeugs |
DE19913909C2 (de) * | 1999-03-26 | 2001-04-26 | Siemens Ag | Verfahren zur Betriebsmoduswahl und Steueranlage für eine Brennkraftmaschine |
DE10025586C2 (de) * | 2000-05-24 | 2003-02-13 | Siemens Ag | Antriebsstrang für ein Kraftfahrzeug |
DE10032179A1 (de) * | 2000-07-01 | 2002-01-17 | Daimler Chrysler Ag | Steuerungssystem für ein Fahrzeug und Verfahren zur Steuerung eines Fahrzeugs |
JP4419331B2 (ja) * | 2001-02-02 | 2010-02-24 | 株式会社デンソー | 車両の走行制御装置 |
FR2827339B1 (fr) * | 2001-07-12 | 2005-11-11 | Renault | Dispositif de controle du point de fonctionnement du groupe motopropulseur d'un vehicule |
JP3712652B2 (ja) * | 2001-09-28 | 2005-11-02 | ジヤトコ株式会社 | パラレルハイブリッド車両 |
FR2834249B1 (fr) * | 2001-12-27 | 2004-02-27 | Renault | Dispositif de controle du point de fonctionnement du groupe motopropulseur d'un vehicule a transmission infiniment variable |
-
2004
- 2004-07-27 FR FR0408261A patent/FR2873642B1/fr not_active Expired - Fee Related
-
2005
- 2005-07-13 EP EP05792237A patent/EP1773614A1/fr not_active Withdrawn
- 2005-07-13 WO PCT/FR2005/050585 patent/WO2006018565A1/fr not_active Application Discontinuation
- 2005-07-13 JP JP2007523127A patent/JP2008508134A/ja not_active Withdrawn
- 2005-07-13 US US11/572,686 patent/US20070219687A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2006018565A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2008508134A (ja) | 2008-03-21 |
FR2873642A1 (fr) | 2006-02-03 |
US20070219687A1 (en) | 2007-09-20 |
FR2873642B1 (fr) | 2007-02-16 |
WO2006018565A1 (fr) | 2006-02-23 |
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