EP2512848A1 - Procede de gestion des motorisations pour un vehicule hybride - Google Patents
Procede de gestion des motorisations pour un vehicule hybrideInfo
- Publication number
- EP2512848A1 EP2512848A1 EP10805797A EP10805797A EP2512848A1 EP 2512848 A1 EP2512848 A1 EP 2512848A1 EP 10805797 A EP10805797 A EP 10805797A EP 10805797 A EP10805797 A EP 10805797A EP 2512848 A1 EP2512848 A1 EP 2512848A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- engine
- vehicle
- management method
- level
- heat capacity
- 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- Withdrawn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
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
- 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
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. 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
- 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
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
-
- 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
- B60W30/192—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine
-
- 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 specially adapted for starting of engines
- F02N11/0814—Circuits 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
- F02N11/0833—Vehicle conditions
- F02N11/084—State of vehicle accessories, e.g. air condition or power steering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/34—Cabin temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
- B60L2240/445—Temperature
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0676—Engine temperature
-
- 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
- F02N2200/0811—Heating state
-
- 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
Definitions
- the present invention relates to a motorization management method for a hybrid motor vehicle, comprising a heat engine and an alternative engine, and a vehicle implementing such a method.
- Hybrid vehicles generally have for the traction of the vehicle, two different energies contained in storage devices, one being reversible and the other not, is typically the electrical energy and fuel.
- the reversible energy storage devices make it possible to supply energy to the alternative motorization that delivers a driving force to the vehicle, or to receive energy recovered from the kinetic energy of the vehicle, when a deceleration in particular to fill these storage devices.
- the energy of the fuel tank is converted into mechanical energy by a heat engine.
- this energy is stored in electric accumulators, which can in some cases be rechargeable on an external power supply network.
- the electrical energy is then converted into mechanical energy by at least one electric machine.
- Hybrid vehicles generally have a heating device of the passenger compartment of the vehicle, which takes calories in the cooling circuit of the engine to deliver them in the passenger compartment through a heat exchanger.
- a problem that arises is that the engine is stopped and generating more calories, it cools and may eventually no longer contain enough calories to sufficiently heat the cabin of the vehicle. Comfort is no longer assured.
- a known air conditioning system presented in particular in the document JP-A-9233601 comprises on a hybrid vehicle comprising a heat engine and an electric machine, a possibility of using one of these two engines or both at the same time depending the power demand by the driver, while taking into account the calorie demand to implement this air conditioning system.
- the engine management process is not optimized to reduce energy consumption. In particular it does not take into account the traction power required for the vehicle, and the efficiency of the engine that is a function of the power to be delivered, to decide whether or not to start the engine.
- the present invention is intended in particular to avoid these drawbacks of the prior art, and to provide a simple and effective method for optimized use of the engine, in particular to reduce energy consumption.
- a process for managing the engines of a hybrid vehicle comprising, for traction, a heat engine constituting a calorie generator for the heating system, as well as a heat capacity, and at least one alternative engine, the vehicle comprising a control means automatically controlling the start of the engine, or stopping it to allow use of the alternative engine, characterized in that this management method holds both the level of load of the heat capacity and the driving conditions comprising a level of traction power of the vehicle, for:
- An advantage of this engine management method is that it is possible to take into account the temperature of the heat capacity and the traction power required for the vehicle, to make the starting demands of the heat engine according to the best compromise taking into account both of the reserve of available calories and the performance of this engine in these driving conditions, to optimize energy consumption.
- the engine management method according to the invention may further comprise one or more of the following characteristics, which may be combined with each other.
- the parameters considered for the driving conditions are related to the vehicle speed and the traction torque of the driving wheels of the vehicle.
- the driving conditions that generate for a given level of load of the heat capacity, a same result on the authorization of stop where the request of starting of the engine, can correspond in a large part to a power substantially constant.
- the level of charge of the heat capacity is greater, the traction power necessary to allow the shutdown or request the start increases, and when the load level of the heat capacity is lower, the pulling power required to allow this shutdown or request this start decreases.
- authorization to stop the engine will be with a pulling power of the vehicle which is lower than that required for the start request of this engine, in order to create a hysteresis between the zone requesting the start and the zone allowing the engine to stop.
- the management method in the case where the level of charge of the heat capacity reaches a lower limit, corresponding to a motor temperature of the order of 60 °, the management method then systematically requires the start of this engine regardless of the level of torque required for the traction of the vehicle.
- the management method starts the heat engine with a degradation of the combustion, generating a larger amount of calories.
- the invention also relates to a hybrid vehicle having a motorization management method, comprising any one of the preceding features.
- An additional calorie reserve can be added to the heat capacity constituted by the mass of the heat engine.
- the alternative engine comprises an electric machine powered by electric accumulators.
- FIG. 1 is a diagram showing the engines and the heating system of a hybrid vehicle comprising a method according to the invention
- FIGS. 2 and 3 are, for a first example, two graphs respectively presenting for the heat engine, as a function of the vehicle speed and torque to the drive wheels, the stop clearing area, and the start request area;
- FIG. 4 is for a second example, a graph showing for the heat engine, as a function of the speed of rotation of the primary shaft of the gearbox and of the torque applied to this primary shaft, the zones of the authorizations of stop and start requests;
- FIG. 5 is a decision graph for the management of stops and starts of the engine.
- a hybrid vehicle comprising an electric machine will be described hereinafter, knowing that the method according to the invention can be applied to other types of hybrid vehicles comprising, for example, several electrical machines, or using another alternative energy.
- FIG. 1 schematically shows a vehicle 6 comprising a heat engine 2 controlled by a control system 34 for driving the drive wheels 4.
- the electric machine 12 produces electrical energy stored in the electric accumulators 14 during braking of the vehicle to recover energy.
- the electric accumulators 14 can be recharged moreover by an on-board charger 18, which is connected to the network by a socket 20.
- the heat engine 2 generates during its operation calories carried by a coolant circuit, which are usually dissipated to the outside air by a cooling radiator of the engine.
- the coolant circuit further comprises an exchanger 8 forming part of the heating device of the passenger compartment of the vehicle 6, which can transmit calories by heating a flow of air flowing to this cabin.
- the heating device may comprise a heat reserve 10 comprising a volume of liquid comprising a thermal insulation supplied by the cooling liquid circuit.
- the heat reserve 10 is heated by the coolant when the temperature of the heat engine 2 is high, and can then transmit the stored calories to the exchanger 8 to warm the cabin, when the temperature of the engine is low.
- the set of masses that can deliver calories to the heating circuit for the passenger compartment is called thereafter calorific capacity.
- the heating device may also include an electrical resistance 22 placed in the flow of air flowing towards the passenger compartment, for heating this cabin when the temperature of the heat capacity is too low.
- This electrical resistance 22 can provide calories at any time, but it draws electrical energy from accumulators, which increases the overall energy consumption of the vehicle.
- Another way of obtaining additional calories, which increases the fuel consumption, is to degrade the combustion of the engine 2 to cause a higher temperature rise.
- a management system 30 comprising a computer 32, has various information on the operation of the vehicle, and data in memory, to establish start control strategies of the engines 2, 16.
- control strategies of the management system 30 act on the control of the heat engine 34 to modify the start or stop commands of this engine as a function of the state of the heating system, in particular the temperature of the heat engine 2, and the value of parameters representative of the driving situation of the vehicle, in particular the speed and torque parameters giving an indication of the power delivered to the drive wheels.
- the temperature of the heat engine 2 multiplied by its heat capacity, possibly adding that of the heat reserve 10, represents a certain reserve of heat energy which will be exploited to deliver heat to the exchanger 8 when the engine is stopped.
- the temperature of the heat engine 2 is subsequently used to evaluate the amount of heat energy available in the heat capacity, although other elements may be taken into account such as the temperature of the heat reserve 10.
- Figures 2 and 3 are for a first example using two parameters among others representative of the rolling situation of the vehicle, graphics having two axes indicating the speed V of the vehicle, and the torque C to the drive wheels. It will be noted that the product of the speed V by the torque C represents the power of motorization necessary to move the vehicle 6, according to the demands of the driver.
- An upper curve 50 and a lower curve 52 represent, for a given temperature of the heat engine 2, limits where the management system 30 intervenes on the control device of the heat engine 34, to modify its on or off state.
- Each curve 50, 52 comprises a central part where the product C torque by speed V is substantially constant, and corresponds to a power level also substantially constant. Curves 50, 52 further include straight end portions that directly join the V-speed or C-couple axes.
- the upper curve 50 delimits an upper zone 54 situated above, corresponding to a request to start the heat engine 2, and the lower curve 52 delimits a lower zone 56 situated below, corresponding to an authorization to stop this engine. thermal.
- the curves 50, 52 move in a substantially median direction between the two axes V, C, upwards along the arrow F when the temperature of the heat engine 2 increases, and downward along the arrow F 'when this temperature decreases.
- the curves 50, 52 materialize thresholds of traction power of the vehicle, depending on a certain correspondence or law of variation, of the heat energy reserve, represented in this case by the temperature of the heat engine 2.
- the operation of the engine management method is as follows.
- the engine 2 For operation of the vehicle 6 at the point A shown in FIG. 2, responding to a request from the driver in torque C and at speed V in the high zone 54, the engine 2 is running and delivers the power required for the traction of the vehicle. vehicle, and generates calories to raise its temperature while heating the cabin of this vehicle.
- the heat engine 2 For operation of the vehicle 6 at the point B shown in FIG. 3, responding to another request from the driver in torque C and at speed V in the low zone 56, the heat engine 2 is at a standstill.
- the traction of the vehicle 6 is ensured by the electric machine 12 which takes energy from the electric accumulators 14, and the calories supplying the exchanger 8 of the heating device are taken from this heat engine.
- the original point O of the axes corresponds to the displacement position of the curves 50, 52 in the case where the temperature of the heat engine 2 is at the lowest, which corresponds to about 60 °, temperature below which it is better not to run this engine.
- FIG. 4 is a second example using two other parameters representative of the rolling situation of the vehicle, a graph comprising two axes indicating the rotational speed N of the primary shaft of the gearbox, and the torque Cap applied to this primary tree. It will be noted that the product of this speed N by this torque Cap also represents a power of motorization delivered on the gearbox, for the traction of the vehicle.
- the curves 60, 62 generally have the shape of an arc of a circle, centered on the point O.
- the upper curve 60 and the lower curve 62 represent, for a temperature level of the heat engine 2, limits where the management system 30 acts on the control device of the heat engine 34, to modify its temperature. working condition or stop.
- Each pair of curves 60, 62 is valid for a given temperature of the heat engine 2, and moves according to a law of variation.
- the curves 60, 62 move in the same way in a substantially median direction between the two axes N, Cape, upwards along the arrow F when the temperature of the heat engine 2 increases, and downwards along the arrow F 'when this temperature decreases.
- the decision graph presented in FIG. 5 and implemented by the management system 30 uses estimates representing the values V of vehicle speed and C of torque to the driving wheels.
- the decision graph includes an optimization function 70 related to the control of the engines, which first looks at whether the heating system is activated 72. In the positive case, it then looks if the engine is running.
- This comparison result can also give an authorization to stop
- the result of this comparison can give a start request 84 of the heat engine, transmitted to the optimization function 70 to be delivered to the control of this engine.
- This engine management method is simple to implement, and can be economically integrated into an existing supervision computer, including that of the heating system or control of these engines.
- this management method can be applied to hybrid vehicles having other alternative sources of energy, such as compressed air.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Automation & Control Theory (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0959006A FR2953793B1 (fr) | 2009-12-15 | 2009-12-15 | Procede de gestion des motorisations pour un vehicule hybride |
| PCT/FR2010/052612 WO2011080434A1 (fr) | 2009-12-15 | 2010-12-06 | Procede de gestion des motorisations pour un vehicule hybride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2512848A1 true EP2512848A1 (fr) | 2012-10-24 |
Family
ID=42271984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10805797A Withdrawn EP2512848A1 (fr) | 2009-12-15 | 2010-12-06 | Procede de gestion des motorisations pour un vehicule hybride |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2512848A1 (fr) |
| FR (1) | FR2953793B1 (fr) |
| WO (1) | WO2011080434A1 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3119281B2 (ja) * | 1991-10-14 | 2000-12-18 | 株式会社デンソー | 車両用空調装置 |
| JP3211650B2 (ja) | 1996-02-29 | 2001-09-25 | トヨタ自動車株式会社 | ハイブリッド車両 |
| DE19730678A1 (de) * | 1997-07-17 | 1999-01-21 | Volkswagen Ag | Hybridfahrzeug mit einer Vorrichtung zur Kühlung von Antriebsbauteilen und zur Innenraumheizung |
| US5950752A (en) * | 1997-11-21 | 1999-09-14 | Lockheed Martin Corp. | Heating system for a hybrid electric vehicle |
| JP3963180B2 (ja) * | 2004-05-28 | 2007-08-22 | トヨタ自動車株式会社 | ハイブリッド車およびその制御方法 |
-
2009
- 2009-12-15 FR FR0959006A patent/FR2953793B1/fr active Active
-
2010
- 2010-12-06 EP EP10805797A patent/EP2512848A1/fr not_active Withdrawn
- 2010-12-06 WO PCT/FR2010/052612 patent/WO2011080434A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011080434A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2953793B1 (fr) | 2012-01-20 |
| FR2953793A1 (fr) | 2011-06-17 |
| WO2011080434A1 (fr) | 2011-07-07 |
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