EP3259163A1 - Procédé et dispositif de contrôle de l'utilisation de machines motrices d'un véhicule hybride en complément du moteur thermique, en fonction de leurs rendements - Google Patents
Procédé et dispositif de contrôle de l'utilisation de machines motrices d'un véhicule hybride en complément du moteur thermique, en fonction de leurs rendementsInfo
- Publication number
- EP3259163A1 EP3259163A1 EP16703575.7A EP16703575A EP3259163A1 EP 3259163 A1 EP3259163 A1 EP 3259163A1 EP 16703575 A EP16703575 A EP 16703575A EP 3259163 A1 EP3259163 A1 EP 3259163A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- torque
- mmj
- produced
- vehicle
- 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.)
- Withdrawn
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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- 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
- 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- 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
- B60W20/11—Controlling the power contribution of each of the prime movers to meet required power demand using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- 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
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- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
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- 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
- 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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- 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
- 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0657—Engine torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/105—Output torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
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- 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
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- 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
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- 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
Definitions
- the invention relates to hybrid vehicles having a power train comprising a heat engine and at least two engines, and more specifically the control of the use of engines in addition to the engine in such hybrid vehicles.
- driving machine means a non-thermal machine arranged to provide torque to move a vehicle, either alone or in addition to a heat engine. It may for example be an electric machine (or motor), a hydraulic machine, a pneumatic machine (or compressed air), or a flywheel.
- the aforementioned hybrid vehicles and in particular those of the automotive type, generally offer at least three different modes of running.
- a first mode called “thermal” only the engine is used to move the vehicle.
- a second mode called “Zero Emission Vehicle” (or ZEV)
- ZEV Zero Emission Vehicle
- a third mode called “hybrid” at least one of the engines is used in addition to the engine to move the vehicle.
- This third mode is generally intended to minimize fuel consumption or increase power (“boost” mode) or to increase the number of driving wheels to improve handling.
- the prime mover that is used generally depends on the desired objective (minimizing fuel consumption or increasing power or improving road handling or driving pleasure (depending on the mode of operation).
- coupling of the engines clutch / clutch compared to a direct catch on the engine involving the rotation of the engine even off, which is a generator of acoustic and vibratory disturbances).
- This is the result of programming decided by the vehicle manufacturer following studies, tests and simulations.
- this mode of operation by programming must take into account the operating points imposed by the driver (speed and load) and adapt accordingly to be continuously optimal.
- the invention is therefore particularly intended to improve the situation.
- At least a portion of the torque produced by the prime mover providing the best performance determined in addition to the maximum torque produced by the engine is used to obtain the required torque.
- the engine that offers the best performance optimizes the performance of the vehicle while controlling its fuel consumption.
- the method according to the invention may comprise other characteristics that can be taken separately or in combination, and in particular:
- each efficiency can be determined as a function of known technical characteristics of the driving machine in question and of an energy that can be used by this prime mover at the given moment to produce torque;
- the driver's will to act can be defined by a depression level of a vehicle accelerator pedal and / or a level of depression of a vehicle brake pedal, or by the activation of a system for automatic regulation or servocontrol of the speed of the vehicle. This willingness to act of the driver can be interpreted in torque-meter on the primary shaft of the torque producing member concerned or torque-meter wheel.
- the invention also proposes a device for controlling the use of the torques produced by a heat engine, coupled to a gearbox, and at least two engines of a powertrain of a hybrid vehicle, according to a torque required according to a willingness to act of a driver of the vehicle.
- the invention also proposes a hybrid vehicle, possibly of automobile type, and comprising, on the one hand, a power train comprising a heat engine, coupled to a gearbox, and at least two engines, and, on the other hand, a control device of the type of that presented. above.
- each driving machine can be selected from (at least) an electric motor, a hydraulic machine, a pneumatic machine and a flywheel.
- FIG. 1 diagrammatically and functionally illustrates a hybrid vehicle comprising a transmission chain and a supervision computer equipped with a control device according to the invention
- FIG. 2 schematically illustrates from top to bottom a first example of a time evolution diagram of the required torque (c1) within a hybrid vehicle, a second example of a time evolution diagram of the speed (c2) of the hybrid vehicle, a third example of a thermal engine torque (c3) torque setpoint evolution time diagram and an additional torque setpoint (c4) within the hybrid vehicle, a fourth example of a time evolution diagram of the yields ( ⁇ ) ) of the first (c5) and second (c6) engines of the hybrid vehicle, and a fifth example of time evolution diagram of the pairs produced by the first (c7) and second (c8) engines of the hybrid vehicle to ensure the torque additional (c4).
- the object of the invention is in particular to propose a control method, and the associated DC control device, intended to allow the control of the use of the torques produced by a heat engine MT and at least two MMJ engines of a group. powertrain of a hybrid vehicle V.
- the hybrid vehicle V is automotive type. This is for example a car. But the invention is not limited to this type of hybrid vehicle. It relates to indeed any type of hybrid terrestrial or maritime (or fluvial) or aeronautical, comprising a powertrain comprising a thermal engine MT and at least two engines MMJ engines.
- driving machine means a non-thermal machine arranged to provide torque to move a vehicle, either alone or in addition to a heat engine.
- the term "heat engine” is understood to mean an engine that consumes fuel or chemicals. Therefore, in the aeronautical field it may in particular be a reactor, a turbojet engine or a chemical engine.
- the motor machines MMj are of the electric type. But the invention is not limited to this type of driving machine. Thus, it also relates to hydraulic machines (or motors), machines (or engines) pneumatic (or compressed air), and flywheels. Moreover, it will be noted that the motor machines MMj may be of different types.
- FIG. 1 shows schematically a hybrid vehicle V comprising a transmission chain (with powertrain), a supervision computer CS capable of supervising (or managing) the operation of the transmission chain, and a DC control device according to the invention.
- the power train comprises a heat engine MT, an engine shaft AM, an EM clutch, a gearbox BV, a first transmission shaft AT1, at least two engines MMJ (here electric motors), a coupling / decoupling means MC for one of the motors MMj, a second transmission shaft AT2, and first energy storage means (here electric) MS1.
- low voltage type MS1 electric
- the powertrain could include more than two engines.
- first MM1 and second MM2 engines are preferably coupled to the first energy storage means MS1 via a DC / DC type UPS, as illustrated in FIG.
- the first transmission shaft AT1 is responsible for rotating the wheels of the vehicle V TV front axle (preferably via a front differential DV), while the second transmission shaft AT2 is responsible for driving in rotation.
- the wheels of the rear axle TR of the vehicle V preferably via a rear differential DR.
- the opposite is also possible.
- the thermal engine MT comprises a crankshaft (not shown) which is fixedly attached to the motor shaft AM to drive the latter (AM) in rotation.
- the gearbox BV comprises at least one input shaft (or primary) intended to receive the first torque produced by the heat engine MT via the clutch EM, and an output shaft intended to receive this first torque via the shaft AE input to communicate it to the first transmission shaft AT1 to which it is coupled and which is (here) indirectly coupled to the front wheels of the vehicle V via the front differential DV.
- the clutch EM comprises a flywheel fixedly secured to the drive shaft AM and a clutch disc fixedly secured to the input shaft of the gearbox BV.
- the gearbox BV can be automated or not. Therefore, it may for example be an automatic transmission, a manual gearbox controlled or not, or a double clutch gearbox (or DCT).
- the thermal engine MT can produce a first torque which is between a minimum torque and a maximum torque C3M 3 and which can be determined by the DC control device according to the invention.
- the coupling / decoupling means MC here is responsible for coupling / decoupling the first driving machine MM1 to / from the second transmission shaft AT2, on the order of the supervision computer CS, in order to communicate the second pair c7 that it produces, thanks to stored energy in the first storage means MS1, to the second transmission shaft AT2 which is indirectly coupled to the rear wheels (here) of the vehicle V via the rear differential DR.
- This coupling / decoupling means MC is for example a jaw mechanism or a clutch.
- the second motor machine MM2 is coupled to the heat engine MT.
- This is, for example, an alternator-starter responsible for starting the engine MT to allow it to start, including in the presence of a control system stop and automatic restart (or "stop and start "), and to produce a third pair c8 intended to be transmitted to the first transmission shaft AT1 via the clutch EM and the gearbox BV.
- This production of the third pair c8 is done thanks to the energy stored in the first storage means MS1.
- the transmission chain also comprises a DS backup starter responsible for launching the engine MT to enable it to start when the second engine MM2 is in the inability to do so, for example because the MS1 power storage means do not have enough electrical energy.
- This emergency starter DS which is not mandatory, is here coupled to second storage means MS2 of very low voltage type (for example 12 V or 24 V), via a DC converter type DC / DC.
- the latter (CV) can also be coupled, as illustrated, to the ON inverter and the first electrical energy storage means MS1.
- the second storage means MS2 are arranged in the form of a battery.
- the operations of the thermal engine MT, the first MM1 and second MM2 engines, and MC coupling / decoupling means can be controlled by the supervision computer CS.
- the latter (CS) is particularly capable of operating the hybrid vehicle V in at least three different modes of running. In a first mode called “thermal” only the thermal engine MT is used to move the vehicle (hybrid) V. In a second mode called “Zero Emission Vehicle” (or ZEV)) at least one of the engines MMJ is used to move the vehicle V. In a third mode called “hybrid” at least one MMj is used in addition to the MT heat engine to move the vehicle V.
- the invention proposes to implement in the vehicle V a method for controlling the use of couples c3, c7 and c8 respectively produced by the thermal engine MT and at least the first MM1 and second MM2 engines of the hybrid vehicle V.
- the control device DC forms part of the supervision computer CS. But this is not obligatory.
- This (control) device DC could indeed be an equipment that is coupled to the supervision computer CS, directly or indirectly. Therefore, the DC control device can be realized in the form of software modules (or computer or "software”), or a combination of electronic circuits (or “hardware”) and software modules.
- the control method comprises a step which is initiated when the torque which is delivered at the output of the gearbox BV, and which results from the maximum torque c3 my x produced by the heat engine MT, is lower than torque d which is required by the supervision computer CS at a given moment.
- this step starts when, on the one hand, the vehicle V is in its thermal rolling mode, and, on the other hand, the first torque produced by its heat engine MT is maximum (c3 my x) and is not enough to get the required torque d.
- This required torque d is determined by the supervision computer CS based on at least the will of the driver of the vehicle V acting. This will to act is for example defined at least by the level of depression of the pedal. accelerator of the vehicle V and / or the depression level of the brake pedal of the vehicle V, or by the activation of an automatic regulation system or servo-control of the speed of the vehicle V. This will to act of the driver may be interpreted in torque-meter on the primary shaft of the torque-producing member concerned or torque-meter to the wheel.
- this required pair d can be also determined according to at least one other information relating to the vehicle V (and its state), such as the current speed of the vehicle V, the current inclination of the vehicle V (due to the slope of the track on which it moves), or a constraint of use of a prime mover MMj (such as for example a limit temperature of use) and / or of the thermal engine MT.
- a prime mover MMj such as for example a limit temperature of use
- the (control) device DC begins by determining the yields nj offered by the engines MMJ at this given moment. Then, at least a portion of the torque that is produced by the prime mover MMj providing the best determined efficiencies nj, in addition to the maximum torque c3 max produced by the thermal engine MT, is used to obtain the required torque d. This use is ordered by the DC device and controlled by the supervision computer CS.
- the vehicle V moves from its thermal taxiing mode to its hybrid taxiing mode in which it uses its heat engine MT and its engine MMj which, at the moment considered, offers the best of yields nj. This optimizes the performance of the vehicle V while controlling its fuel consumption.
- each yield nj can be determined according to known technical characteristics of the motive machine MMj considered and the energy that can be used at the given moment this power machine MMj to produce torque.
- the efficiency of an engine is represented (by simulation or tests) mainly by its operating point in the rpm / torque field. This performance depends on the physical characteristic of the torque producing member (the technology used and its manufacture). Performance represents the performance level of any energy transformation. During an energy transformation, irreversible thermodynamic exchanges take place. These irreversibilities are called "losses”.
- FIG. 2 diagrammatically illustrates, on the five diagrams, an example of time evolution of various parameters of the vehicle V during a rolling phase.
- the first diagram at the top illustrates a curve of evolution time of the required torque d within the vehicle V.
- the second diagram placed just after the first diagram, illustrates a time evolution curve of the speed c2 of the vehicle V, resulting from the control of the torques of the thermal engine MT (c3) and MMJ motor machines (c7 and c8) made by means of the DC device.
- the fourth diagram placed just after the third diagram, illustrates curves c5 and c6 of time evolution of the efficiencies ⁇ 1 and ⁇ 2 respectively of the first MM1 and second MM2 engines of the vehicle V.
- the fifth and last diagram placed just after the fourth diagram, illustrates time evolution curves of the pairs c7 and c8 respectively produced by the first MM1 and second MM2 engines of the vehicle V.
- the torque c3 produced by the heat engine MT is sufficient to obtain the required torque d which is increasing.
- the vehicle V is in its mode of thermal rolling.
- the torque c3 produced by the thermal engine MT is insufficient to obtain the required torque d, and therefore we need an additional torque (defined by an additional torque setpoint c4 ).
- an additional torque setpoint c4 For example, between t1 and t2, it is determined that the first prime mover MM1 is the one with the best efficiency ⁇ 1 (see curve c5 which is temporarily above curve c6).
- the additional c4 torque setpoint then defines the c7 torque to be produced by the first prime mover MM1 with the energy stored in the first storage means MS1, to complete the maximum torque c3 max produced by the heat engine MT and allow the obtaining the required torque d.
- the vehicle V is now in its hybrid driving mode.
- the required torque d continues to grow, the thermal engine MT and the second motor machine MM2 can not produce enough torque together to obtain it. This results from the fact that the torque produced by the second prime mover MM2 has reached its maximum value c8 my x-
- the device DC then orders the production of additional torque by the first prime mover MM1.
- the additional torque setpoint c4 then defines the sum of the pairs c7 and c8 respectively produced by the first MM1 and second MM2 engines.
- the vehicle V is still in its hybrid driving mode.
- the invention offers several advantages, among which:
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- 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)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1551246A FR3032670B1 (fr) | 2015-02-16 | 2015-02-16 | Procede et dispositif de controle de l'utilisation de machines motrices d'un vehicule hybride en complement du moteur thermique, en fonction de leurs rendements |
| PCT/FR2016/050073 WO2016132030A1 (fr) | 2015-02-16 | 2016-01-15 | Procédé et dispositif de contrôle de l'utilisation de machines motrices d'un véhicule hybride en complément du moteur thermique, en fonction de leurs rendements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3259163A1 true EP3259163A1 (fr) | 2017-12-27 |
Family
ID=52829154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16703575.7A Withdrawn EP3259163A1 (fr) | 2015-02-16 | 2016-01-15 | Procédé et dispositif de contrôle de l'utilisation de machines motrices d'un véhicule hybride en complément du moteur thermique, en fonction de leurs rendements |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3259163A1 (fr) |
| CN (1) | CN107531234B (fr) |
| FR (1) | FR3032670B1 (fr) |
| WO (1) | WO2016132030A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3120593A1 (fr) * | 2021-03-11 | 2022-09-16 | Psa Automobiles Sa | Procede de correction d’une erreur de couple d’un moteur thermique par une machine electrique de traction |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6855785B2 (ja) * | 2016-12-26 | 2021-04-07 | スズキ株式会社 | ハイブリッド車両 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5289890A (en) * | 1991-12-10 | 1994-03-01 | Aisin Aw Co., Ltd. | Drive unit for electric motor vehicle |
| JP2001245404A (ja) * | 2000-02-29 | 2001-09-07 | Toyota Motor Corp | 車両における複数の回転装置の制御装置 |
| DE102005047940A1 (de) * | 2005-10-06 | 2007-04-12 | Volkswagen Ag | Verfahren und Vorrichtung zur Momentensteuerung eines Hybridkraftfahrzeugs |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19932118C1 (de) * | 1999-07-09 | 2000-10-26 | Daimler Chrysler Ag | Elektrischer Mehrfachmotorenantrieb für ein Kraftfahrzeug |
| JP2006180657A (ja) * | 2004-12-24 | 2006-07-06 | Nissan Motor Co Ltd | 4輪駆動ハイブリッド車両 |
| JP4390785B2 (ja) * | 2006-05-24 | 2009-12-24 | トヨタ自動車株式会社 | 四輪駆動式車両の駆動力制御装置 |
| CN101602362A (zh) * | 2009-06-08 | 2009-12-16 | 奇瑞汽车股份有限公司 | 一种混合动力车的辅助驱动扭矩分配方法 |
| CN101804810A (zh) * | 2010-04-22 | 2010-08-18 | 杨伟斌 | 插电式混合动力汽车的最优集成控制方法 |
| FR2994545B1 (fr) * | 2012-08-14 | 2014-08-08 | Peugeot Citroen Automobiles Sa | Procede de limitation de couple d'une machine electrique de vehicule hybride, dans le cas d'une forte demande en couple |
-
2015
- 2015-02-16 FR FR1551246A patent/FR3032670B1/fr not_active Expired - Fee Related
-
2016
- 2016-01-15 CN CN201680010477.5A patent/CN107531234B/zh not_active Expired - Fee Related
- 2016-01-15 WO PCT/FR2016/050073 patent/WO2016132030A1/fr not_active Ceased
- 2016-01-15 EP EP16703575.7A patent/EP3259163A1/fr not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5289890A (en) * | 1991-12-10 | 1994-03-01 | Aisin Aw Co., Ltd. | Drive unit for electric motor vehicle |
| JP2001245404A (ja) * | 2000-02-29 | 2001-09-07 | Toyota Motor Corp | 車両における複数の回転装置の制御装置 |
| DE102005047940A1 (de) * | 2005-10-06 | 2007-04-12 | Volkswagen Ag | Verfahren und Vorrichtung zur Momentensteuerung eines Hybridkraftfahrzeugs |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2016132030A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3120593A1 (fr) * | 2021-03-11 | 2022-09-16 | Psa Automobiles Sa | Procede de correction d’une erreur de couple d’un moteur thermique par une machine electrique de traction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107531234B (zh) | 2020-11-27 |
| FR3032670A1 (fr) | 2016-08-19 |
| FR3032670B1 (fr) | 2018-07-27 |
| WO2016132030A1 (fr) | 2016-08-25 |
| CN107531234A (zh) | 2018-01-02 |
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