WO2018087438A1 - Dispositif et procédé de pilotage d'une boite de vitesses robotisee pour vehicule automobile a propulsion hybride - Google Patents
Dispositif et procédé de pilotage d'une boite de vitesses robotisee pour vehicule automobile a propulsion hybride Download PDFInfo
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- WO2018087438A1 WO2018087438A1 PCT/FR2017/052546 FR2017052546W WO2018087438A1 WO 2018087438 A1 WO2018087438 A1 WO 2018087438A1 FR 2017052546 W FR2017052546 W FR 2017052546W WO 2018087438 A1 WO2018087438 A1 WO 2018087438A1
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- Prior art keywords
- internal combustion
- combustion engine
- shaft
- gear ratio
- speed
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Classifications
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- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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- 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
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- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
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- 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
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- 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
- B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
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- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/105—Speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
- B60K2006/4816—Electric machine connected or connectable to gearbox internal shaft
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
- B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
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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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
- B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
- B60K2006/4841—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range the gear provides shifting between multiple ratios
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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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/442—Series-parallel switching type
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- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
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- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/18—Propelling the vehicle
- B60Y2300/19—Improvement of gear change, e.g. synchronisation or smoothing gear shift
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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
Definitions
- the invention relates to the field of control of robotized gearboxes for a motor vehicle with hybrid propulsion comprising an electric traction machine and an internal combustion engine.
- hybrid-powered cars are becoming more and more widespread.
- a significant portion of these vehicles has a power train comprising an electric traction machine and an internal combustion engine.
- gearboxes allow the passage of gear ratio (s) purely electric propulsion, in which (s) only the electric traction machine drives the driving wheels, gear ratio (s) purely thermal propulsion, in which only the internal combustion engine drives the drive wheels and hybrid gear ratio (s) in which (s) both the machine Electric traction and the internal combustion engine drive the drive wheels.
- hybrid motor vehicles are frequently equipped with a robotized gearbox comprising a primary shaft associated with each source rotational energy, the primary shafts cooperating with a secondary shaft connected to the differential powertrain.
- the gearbox comprises a steering device whose function is to manage the passage of different gear ratios robotized.
- the control device generally comprises a map in which values of a gear ratio are stored as a function of various information relating to the vehicle, such as the speed of movement of the vehicle and a force to be supplied to the differential of the power unit.
- the control device collects the information to be provided at the input of the map, provides this information to the map and collects a speed ratio value delivered by the map.
- the control device continuously determines which gear ratio must be engaged and therefore determines whether gearshift passages must be engaged.
- the control device controls the robotized gearbox so as to pass the corresponding gear ratio.
- a purely electric propulsion speed ratio is understood as a ratio in which only the powertrain electric traction machine is mechanically connected and drives the differential and the drive wheels of the vehicle.
- the object of the invention is to provide a control device for a robotised gearbox for a motor vehicle with hybrid propulsion that overcomes the aforementioned drawbacks.
- the invention aims to avoid the appearance of the unpleasant sensation arising during the passage between two gear ratios purely electric propulsion, while continuing to optimize fuel consumption and pollutant emissions by the motor vehicle and by minimizing clutter within the powertrain of the vehicle.
- a control device for a hybridized motor vehicle hybrid gearbox comprising an electric traction machine and an internal combustion engine, said gearbox allowing two distinct gear ratios propulsion purely electrical system, comprising means for measuring the speed of the vehicle and a map in which are stored values of a gear ratio as a function of the measured vehicle speed and a force to be supplied to a differential of the vehicle.
- this control system furthermore comprises a system for configuring the gearbox in a situation of passage from a first gear ratio to purely electric propulsion to a second gear ratio with purely electric propulsion, said system configuration device comprising a first driving module capable of controlling the rotation of a shaft of the internal combustion engine, a second driving module capable of engaging a transition speed ratio in which the shaft of the internal combustion engine is connected mechanically with said differential, and a third driving module capable of modifying the power supply of the electric traction machine.
- the robotized gearbox equipped with such a control device in particular by virtue of the engagement of a transition speed ratio and an appropriate control of the power supply of the machine Electric traction and rotation of the shaft of the internal combustion engine, can greatly reduce or eliminate the unpleasant feeling felt by the driver when passing between two gear ratios purely electric propulsion.
- the first control module is able, to control the rotation of the internal combustion engine shaft, to feed an alternator - starter of the vehicle, said alternator - starter being mechanically connected with the motor shaft. internal combustion.
- the alternator / starter to control the rotation of the internal combustion engine, the fuel consumption and the emission of pollutants are particularly optimized by the motor vehicle, while avoiding causing additional space in the power train of the vehicle. vehicle.
- the configuration system further comprises a fourth control module parameterized to control a torque flip-flop between the electric traction machine and the internal combustion engine shaft when the first propulsion gear ratio. purely electric is engaged at the same time as the ratio of transition velocities and / or when the second gear ratio purely electric propulsion is engaged at the same time as the ratio of transition speeds.
- the torque rocker can for example be implemented from the electric traction machine to the internal combustion engine, when the latter is running, or to another component, for example the alternator-starter, when the internal combustion engine is in injection failure.
- the fourth control module is parameterized to control a torque flip-flop from the electric traction machine towards the shaft of the internal combustion engine when the first gear ratio with purely electric propulsion. is engaged at the same time as the transition speed ratio and for controlling a torque flip-flop from the shaft of the internal combustion engine to the electric traction machine when the second purely electric propulsion gear ratio is engaged at the same time as the ratio of transition speeds.
- the first control module is able to calculate a first synchronization speed corresponding to the measured vehicle speed relative to the internal combustion engine and to adjust the rotational speed of the internal combustion engine so that the it substantially equalizes the first synchronization speed.
- the third control module is able to calculate a second synchronization speed corresponding to the measured vehicle speed relative to the electric traction machine and to adjust the speed of rotation of the electric traction machine so that this substantially equals the second synchronization speed.
- said first control module comprises means for controlling a rotation of the internal combustion engine shaft by maintaining said internal combustion engine in an injection cutoff.
- the first control module is further parameterized to control an opening of a throttle valve and / or the actuation of a camshaft shifter when it controls the rotation of the motor shaft. at the same time that it maintains the injection cutoff of said internal combustion engine.
- the first control module further comprises an estimator capable of estimating vibrations generated by the internal combustion engine and calculating a compensation term as a function of the estimated vibrations.
- the first control module comprises hardware and software means for controlling the rotational speed and / or the torque of the internal combustion engine shaft by a closed-loop control system.
- a method for controlling a robotised gearbox for a hybrid drive motor vehicle comprising an electric traction machine and an internal combustion engine, said gearbox allowing two distinct gear ratios to be propelled.
- purely electrical in which conditions are detected for initialization of a pilot in a passage situation from a first gear ratio purely electric propulsion to a second gear ratio purely electric propulsion, it controls the rotation of a shaft of the internal combustion engine and engage a transition speed ratio in which the internal combustion engine shaft is mechanically connected with a vehicle differential so as to cancel the torque provided by the electric machine during the passage between the first gear purely electric propulsion gears and the second gear ratio purely electric propulsion.
- FIG. 1 schematically represents a robotized gearbox equipped with a control device according to the invention
- FIG. 2 schematically illustrates the mapping of the control device of FIG. 1,
- FIG. 3 is a schematic representation of the control device of FIG. 1, and FIG. 4 illustrates a method for controlling a robotized gearbox that can be implemented by means of the control device of FIGS. 1 to 3.
- gearbox 2 With reference to FIG. 1, there is shown schematically a gearbox 2.
- the function of the gearbox 2 is to ensure the transmission of the mechanical energy exchanged within a power unit (not shown) of a gearbox motor vehicle (not shown) with hybrid propulsion.
- the powertrain comprises an internal combustion engine 4 with a primary 6 solid motor shaft.
- the powertrain also comprises an electric traction machine 8 capable of rotating a hollow primary drive shaft.
- the primary shaft 6 solid is inserted inside the hollow primary shaft 10 so as to ensure a satisfactory and space-saving guidance of the shafts 6 and 10.
- the powertrain further comprises an alternator-starter 12 connected via a belt 14 and a transfer shaft 16 to the internal combustion engine 4.
- alternator-starter 12 connected via a belt 14 and a transfer shaft 16 to the internal combustion engine 4.
- the primary function of the starter alternator 12 is to cause the motor shaft 6 to rotate, for example in order to start the motor 4.
- the alternator-starter 12 has the second function of taking rotary energy from the motor shaft 6 when the motor 4 operates to generate electrical energy for various needs of the motor vehicle.
- the gearbox 2 comprises a secondary shaft 1 8.
- the secondary shaft 1 8 has the function of transmitting the mechanical energy of the primary shafts 6 and 10 to the drive wheels (not shown) of the vehicle.
- the secondary shaft 1 8 is mechanically connected by means of a down gear (not shown) with a bridge crown (not shown) of a differential (not shown).
- the differential distributes the mechanical energy supplied to it between the drive wheels of the vehicle.
- the primary shaft 6 is provided with two idle gears 20 and 22.
- the primary shaft 1 0 is in turn provided with two fixed pinions 24 and 26.
- the secondary shaft 1 8 comprises, axially distributed in this order, a pinion fixed 28 meshing with the idle gear 20, a fixed gear 30 meshing with the idle gear 22, a idler gear 32 meshing with the fixed gear 24 and a idler gear 34 meshing with the fixed gear 26.
- the transfer shaft 16 has a idler gear 36 meshing with the fixed gear 24 and a idler gear 38 meshing with the idler gear 20.
- the gearbox 2 comprises a first clutch dog 40 mounted on the transfer shaft 16.
- the player 40 is able to actuate the interconnection of the idler gears 36 and 38 with respect to the shaft 16.
- the gearbox 2 comprises a second sliding dog clutch 42 mounted on the primary shaft 6.
- the player 42 is able to actuate the clutch pinions 20 and 22 of the shaft 6.
- the gearbox 2 comprises a third dog walker 44 mounted on the secondary shaft 1 8.
- the player 44 is capable of actuating the interconnection of the idler pinions 32 and 34 of the shaft 1 8.
- the gearbox 2 is robotized, that is to say that its operation is that of a manual gearbox but that gearshifts are automated.
- the players 40, 42 and 44 are dislaced by means of automated mechanical actuators, such as for example robotic actuating forks.
- a control device 46 is provided for controlling the gearbox 2. More particularly, the control device 46 is able to control the actuators of the players 40, 42 and 44. In this way, the control device 46 is able to control the passage of gears by the gearbox 2.
- the control device 46 is able to determine the gear ratio to be engaged by the gearbox 2 in the rolling conditions and operation of the vehicle at any time.
- the device 46 comprises a detector 48 of the VVEH speed of displacement of the motor vehicle and a detector 50 of a force ⁇ to be supplied to the differential of the powertrain.
- the force ⁇ may, alternatively, be expressed in the form of a force (in Newton) to be exerted by the teeth of the down gear (not shown), or in the form of a torque (in Newton- meter) to provide the differential crown.
- the detectors 48 and 50 are advantageously coupled to a vehicle engine control device which collects the VVEH speed and force ⁇ information.
- the engine control device or the detector 50 may take into account a driver pressure on the accelerator pedal.
- the device 46 further comprises a map 52 in which are stored values of a speed ratio as a function of a speed VVEH and a force ⁇ .
- the map 52 delivers a gear ratio value appropriate to the driving and operating conditions corresponding to the values entered.
- the delivered gear ratio value corresponds to the ratio to be engaged by the gearbox 2 in order to ensure optimum operation of the vehicle under the driving and operating conditions.
- FIG. 2 shows a graph illustrating an exemplary mapping 52 for the control device 46.
- the map 52 is schematically represented in the form of a graph comprising an abscissa axis corresponding to different values of a VVEH speed. and an ordinate axis corresponding to different values of a force ⁇ .
- the graph comprises a plurality of curves delimiting regions respectively corresponding to a gear ratio. particular. Naturally, it is not possible to depart from the scope of the invention by envisaging a map showing different curves and different regions.
- the region EV 1 corresponds to a gear ratio EV 1 in which the idler gear 34 is clutched.
- the gear ratio EV 1 is a gear ratio purely electric propulsion.
- the EV2 region corresponds to a gear ratio EV2 which is also purely electric propulsion.
- the idler gear 32 is clutched. Since the ratio EV2 has a transmission ratio greater than that of the ratio EV 1, it is a gear ratio that is greater than the ratio EV 1, which is a gear ratio that is lower.
- HEVij region corresponds to a hybrid speed ratio HEVij in which both the primary shaft 10 and the primary shaft 6 are mechanically connected to the secondary shaft 1 8.
- the HEV21 ratio corresponds to a gear ratio in which the idle gears 22 and 34 are respectively clutched by means of the players 42 and 44.
- the control device 46 comprises a configuration system 54 whose function is to configure the gearbox 2 when there is a situation of passage between the two reports EV 1 and EV 2, and in both directions of passage.
- the configuration system 54 is schematically shown in FIG.
- the system 54 comprises a first control module 56, a second control module 58, a third control module 60 and a fourth control module 62.
- the module 56 is capable of controlling the power supply of the alternator-starter 12 so as to control the torque and the rotational speed at the output of the alternator-starter 12. Knowing the constant reduction ratio between the alternator starter 12 and the shaft 6, the module 56 is able to cause the rotation of the primary shaft 6 of the motor 4, the motor 4 being cut off inj ection. In addition, the module 56 is able to precisely control the torque T 6 and the rotational speed ⁇ 6 of the primary shaft 6.
- the module 56 is provided with a management system 64 for energy losses by pumping the internal combustion engine 4. Indeed, the rotational drive of the shaft 6 while the engine 4 is at rest causes significant energy losses by pumping within said motor 4.
- the management system 64 can accurately control the torque T 6 and speed ⁇ 6 despite the appearance of energy losses by pumping.
- the management system 64 is connected to the internal combustion engine 4 so as to be able to control an opening of the throttle valve (not shown) associated with the engine 4. Moreover, the management system 64 is capable of controlling the actuation of the engine. a camshaft shifter (not shown) of the engine 4 in a position adapted to minimize energy losses by pumping.
- the system 64 is capable of implementing a regulation of the torque T 6 and the speed ⁇ 6 in a closed loop. This results in a feeling of comfort further improved for the driver.
- the system 64 may comprise an estimator (not shown) of the vibrations generated by the motor 4.
- Such an estimator may for example comprise a map in which vibration values are stored as a function of a rotational speed of the engine.
- the estimator is furthermore capable of calculating a compensating term for the vibrations generated by the motor 4.
- the compensation term is collected by the control module 56 which takes this into account during the preparation of the signal. alternator starter power supply 12.
- the second module 58 is capable of engaging a gear ratio during a shifting of gear ratio EV 1 to EV 2 or EV 2 to EV 1.
- the same transition speed ratio is engaged during the transition from EV 1 to EV 2 and during the transition from EV 2 to EV 1.
- the transition speed ratio can be any gear ratio purely thermal propulsion gearbox 2, that is to say, any gear ratio in which the primary shaft 6 is mechanically connected with the secondary shaft 1 8.
- This means that the second module 58 is able to control the actuation of dog clocks 40 and 42 for the interconnection of the idler gear 38, the pinion 20 or the idler gear 22.
- the ratio TH2 provided by the gears 22 and 30 is selected as the ratio of transition speeds. The choice of the ratio TH2 makes it possible to minimize the rotation speed ⁇ 6 of the shaft 6 so as to limit the energy losses by pumping. of the internal combustion engine 4, as well as any vibrations generated on the driveline.
- the module 60 is able to control the power supply of the electric traction machine 8. In doing so, the module 60 is able to precisely control the torque T 1 0 and the speed of rotation ⁇ 1 0 of the motor shaft 10 .
- the module 62 comprises hardware and software means for controlling a torque flip-flop between the motor shafts 6 and 10.
- the module 62 is capable of modifying the power supplied by the module 60 to the electrical machine of FIG. traction 8 so as to modify the torque T 1 0 , correlatively to a modification of the power supplied by the module 56 to the alternator-starter 12 so as to modify the torque T 6 .
- the module 62 is capable of simultaneously varying the torque T 1 0 and the torque T 6 while maintaining a total torque T 6 + T 1 0 constant.
- the device 46 By means of the device 46, it is possible to implement the control method of the gearbox 2 which will be detailed hereinafter with reference to FIG. 4.
- the example illustrated in FIG. 4 is a method for controlling the gearbox 2 during the passage from the gear EV 1 to the gear EV 2 or when passing from the gear EV 2 to the gear EV 1.
- the same method is used, in particular the same ratio of transition speeds in both directions of passage is used.
- the electrical traction machine 8 is supplied with electricity so that the primary shaft 1 0 is rotated at a speed ⁇ 1 0 and at a torque T 1 0 .
- An EV 1 or EV 2 report is engaged.
- the internal combustion engine 4 and the alternator-starter 12 are stopped, the shafts 6 and 16 being immobile and reliabilityo lidarisés the secondary shaft 1 8.
- the method comprises a first test step E01 for detecting the initialization conditions of a pilot in a passage situation from a first gear ratio to purely electric propulsion at a second gear ratio with electric propulsion.
- the control device 46 is about to control a passage of the EV 1 to EV2 ratio or a shift of EV2 to EV 1.
- the initialization conditions are thus considered to be detected as soon as the value delivered by the map 52 leaves the value EV 1 to take the value EV 2, or leaves the value EV 2 to take the value EV 1.
- the test step E01 is repeated.
- step E02 is taken.
- the module 56 electrically supplies the alternator-starter 12. It follows the beginning of the rotation of the drive shaft 6 of the internal combustion engine 4. During this time, the engine internal combustion 4 is kept stopped.
- the method then comprises a step E03 for calculating a first synchronization speed C-IYNC.
- the speed C I -SYNC would be the rotational speed of the shaft 6 if the transition speed ratio was engaged. As indicated above, the transition speed ratio is provided by the idle gear 22 and the fixed gear 30, which corresponds to a transmission ratio RTH2.
- the speed C 0 I -SYNC can be calculated from the vehicle movement velocity VVEH or from the primary shaft speed 10. In the latter case, the velocity CO I -SYNC is calculated by applying the formula next :
- the method comprises a step E04 in which the module 56 modifies the supply of the alternator-starter 12 so that the drive shaft 6 is driven at a speed of rotation equal to the speed CO I -SYNC In others
- the starter-alternator 12 is
- step E04 stops as soon as the co value 6 equal speed CO I -SYNC to a tolerance of + / - 50 rpm. At the end of step E04, the torque T 6 is substantially zero.
- the method comprises a step E05 of engagement of the ratio of transition velocities TH 2 .
- the module 58 0 controls the actuation of the player 42 so that the idle gear 22 can be interconnected.
- the interconnection is easily done thanks to the steps E03 and E04 for calculating a speed of synchronization and of synchronization of the shaft 6.
- the ratios EV 1 and TH 2 are engaged or, in other words, both the primary shaft 6 and the primary shaft 10 are in position. taken with the secondary shaft 1 8.
- the method then comprises a step E06 for switching the torque between the primary shafts 6 and 10.
- the control module 62 controls the modification of the power supply of the electric traction machine 8, so that that the
- Torque T i o decreases.
- the module 62 controls a decrease in the torque T i o from a time t i according to a rate of dT
- the torque T10 exerted by the electric traction machine 8 is progressively tilted on the drive shaft 6 by means of the alternator-starter 12.
- the torque T 10 is substantially zero.
- the method comprises a step E07 of disengagement of the ratio EV1.
- the control device 46 controls the player 44 so as to disengage the interconnection of the idler gear 34.
- the EV1 gear is no longer engaged and the drive shaft 10 is no longer engaged with the secondary shaft 18.
- the method comprises a step E08 for calculating a second synchronization speed GC> 2- SYNC.
- the speed C02-SYNC would be the rotational speed of the shaft 10 if the gear ratio EV2 was engaged.
- the gear ratio EV2 is provided by the gears 24 and 32 and provides a transmission ratio REV2.
- the speed CO2-SYNC can be calculated from the vehicle movement speed VVEH or the speed C06 of the primary shaft 6. In the latter case, the speed C0 2 -SYNC can be calculated by applying the following formula :
- the method includes a step E09 at which the control module 60 changes the supply of the electric traction machine 8 such that the rotational speed ⁇ of 10 the shaft 10 is equal to the speed C0 2 -SYNC
- the step E09 stops as soon as the value ⁇ 10 equals the speed C0 2 -SYNC to a tolerance of +/- 50 revolutions per minute.
- step E10 of engagement of the second gear ratio to purely electric propulsion, in this case the ratio of EV2 speeds.
- the device 46 controls the actuation of the player 44 so as to obtain the interconnection of the idler pinion 32.
- the ratios TH2 and EV2 are engaged or, in other words, both the primary shaft 10 and the primary shaft 6 are engaged with the secondary shaft 18.
- the torque T 10 is substantially zero.
- the method then comprises a new step Eli of switching torque.
- step E06 the torque flip-flop is in the opposite direction with the same variation rates.
- the control module 62 simultaneously controls the increase of the torque T 10 according to a rate of variation -a and the reduction of the torque T 6 according to a rate of variation a. Step Eli stops as soon as the torque T 6 is substantially zero.
- the method comprises a step E12 of disengagement of the ratio of transition speeds TH2.
- the module 58 controls the player 42 so that the pinion 22 is no longer clutch.
- step E12 only the ratio EV2 is engaged, the shaft 6 continuing to rotate at the speed C ⁇ I-SYNC
- the method comprises a step E13 of stopping the rotation of the motor shaft 6.
- the module 56 progressively decreases the power supply of the alternator-starter 12 so as to gradually decrease the speed rotation ⁇ 6 to zero.
- the speed ⁇ 6 is controlled by controlling the torque supplied by the alternator-starter 12 in order to obtain a rapid stop of the rotation of the shaft 6 without vibration.
- step E13 the EV2 ratio is only engaged and the drive shaft 6 of the internal combustion engine 4 is stationary.
- the invention does not require the incorporation of an additional mechanical component, and therefore does not cause additional space within the powertrain and the engine compartment of the vehicle.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Transmission Device (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17783938.8A EP3538388A1 (fr) | 2016-11-14 | 2017-09-22 | Dispositif et procédé de pilotage d'une boite de vitesses robotisee pour vehicule automobile a propulsion hybride |
CN201780073190.1A CN110312627B (zh) | 2016-11-14 | 2017-09-22 | 用于控制混合动力机动车辆半自动变速箱的方法和装置 |
BR112019009730A BR112019009730A2 (pt) | 2016-11-14 | 2017-09-22 | dispositivo, e, processo de controle de uma caixa de marchas robotizada para veículo automotivo com propulsão híbrida |
JP2019525726A JP7122304B2 (ja) | 2016-11-14 | 2017-09-22 | ハイブリッド自動車両用の半自動式ギアボックスを制御する方法および装置 |
KR1020197017247A KR102216067B1 (ko) | 2016-11-14 | 2017-09-22 | 하이브리드 모터 차량의 반자동 기어박스를 제어하는 방법 및 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR1660956A FR3058698B1 (fr) | 2016-11-14 | 2016-11-14 | Dispositif de pilotage d'une boite de vitesses robotisee pour vehicule automobile a propulsion hybride |
FR1660956 | 2016-11-14 |
Publications (1)
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WO2018087438A1 true WO2018087438A1 (fr) | 2018-05-17 |
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PCT/FR2017/052546 WO2018087438A1 (fr) | 2016-11-14 | 2017-09-22 | Dispositif et procédé de pilotage d'une boite de vitesses robotisee pour vehicule automobile a propulsion hybride |
Country Status (7)
Country | Link |
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EP (1) | EP3538388A1 (fr) |
JP (1) | JP7122304B2 (fr) |
KR (1) | KR102216067B1 (fr) |
CN (1) | CN110312627B (fr) |
BR (1) | BR112019009730A2 (fr) |
FR (1) | FR3058698B1 (fr) |
WO (1) | WO2018087438A1 (fr) |
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KR20230008516A (ko) | 2021-07-07 | 2023-01-16 | 현대자동차주식회사 | 차량의 하이브리드 파워트레인 |
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- 2016-11-14 FR FR1660956A patent/FR3058698B1/fr active Active
-
2017
- 2017-09-22 BR BR112019009730A patent/BR112019009730A2/pt unknown
- 2017-09-22 CN CN201780073190.1A patent/CN110312627B/zh active Active
- 2017-09-22 WO PCT/FR2017/052546 patent/WO2018087438A1/fr active Application Filing
- 2017-09-22 KR KR1020197017247A patent/KR102216067B1/ko active IP Right Grant
- 2017-09-22 EP EP17783938.8A patent/EP3538388A1/fr active Pending
- 2017-09-22 JP JP2019525726A patent/JP7122304B2/ja active Active
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Also Published As
Publication number | Publication date |
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JP2020513362A (ja) | 2020-05-14 |
BR112019009730A2 (pt) | 2019-08-13 |
CN110312627A (zh) | 2019-10-08 |
KR20190100188A (ko) | 2019-08-28 |
CN110312627B (zh) | 2023-04-21 |
EP3538388A1 (fr) | 2019-09-18 |
FR3058698B1 (fr) | 2018-11-09 |
FR3058698A1 (fr) | 2018-05-18 |
JP7122304B2 (ja) | 2022-08-19 |
KR102216067B1 (ko) | 2021-02-17 |
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