WO2006104253A1 - 車両用駆動装置の制御装置 - Google Patents
車両用駆動装置の制御装置 Download PDFInfo
- Publication number
- WO2006104253A1 WO2006104253A1 PCT/JP2006/307176 JP2006307176W WO2006104253A1 WO 2006104253 A1 WO2006104253 A1 WO 2006104253A1 JP 2006307176 W JP2006307176 W JP 2006307176W WO 2006104253 A1 WO2006104253 A1 WO 2006104253A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission
- differential
- shift
- state
- unit
- Prior art date
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
- 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
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
-
- 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
- B60K6/44—Series-parallel type
- B60K6/448—Electrical distribution type
-
- 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
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
-
- 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
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
-
- 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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- 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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2054—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed by controlling transmissions or clutches
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
-
- 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
- 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
- B60W10/04—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
- 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
- B60W10/11—Stepped gearings
- B60W10/115—Stepped gearings with planetary gears
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
-
- 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
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
-
- 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
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- 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
- B60L2240/441—Speed
-
- 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
- B60L2240/443—Torque
-
- 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
- B60L2240/48—Drive Train control parameters related to transmissions
- B60L2240/486—Operating parameters
-
- 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
- B60L2240/50—Drive Train control parameters related to clutches
- B60L2240/507—Operating parameters
-
- 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
- B60L2250/00—Driver interactions
- B60L2250/12—Driver interactions by confirmation, e.g. of the input
-
- 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
- B60L2250/00—Driver interactions
- B60L2250/24—Driver interactions by lever actuation
-
- 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
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/26—Transition between different drive modes
-
- 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
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
- B60L2270/145—Structure borne vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0043—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising four forward speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0047—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising five forward speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2048—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with seven engaging means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
- F16H3/728—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a vehicle drive device provided with a differential mechanism and a motor that can operate differentially, and more particularly to a technology for miniaturizing a motor and the like.
- a vehicle drive system includes a differential mechanism that distributes the output of an engine to a first electric motor and an output shaft, and a second electric motor provided between the output shaft of the differential mechanism and a drive wheel.
- the hybrid vehicle drive device described in Patent Document 1 is that.
- the differential mechanism is constituted of, for example, a star gear, and the differential action mechanically transmits the main part of the motive power from the engine to the drive wheels.
- the transmission ratio is continuously changed. It is made to function as a transmission, for example, function as an electric continuously variable transmission. Fuel consumption is improved by the control device so that the vehicle travels while maintaining the engine in the optimum operating condition.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2 0 0 3 3 0 1 7 3 1
- a continuously variable transmission is known as a device for improving the fuel efficiency of a vehicle
- a gear type transmission such as a stepped automatic transmission
- a device having a good transmission efficiency There has not been a power transmission mechanism yet that combines the strengths, strengths, and strengths.
- the electric path of the electric power from the first motor to the second motor that is, a part of the driving force of the rain is transmitted by electric energy.
- the size of the first motor must be increased, and the size of the second motor driven by the electrical energy output from the first motor must also be increased.
- the drive was a problem that Alternatively, since a part of the engine output is once converted to electric energy and transmitted to the drive wheels, the fuel consumption may be deteriorated depending on the driving conditions of the vehicle such as high-speed driving. .
- the same problem occurs when the power distribution mechanism is used as a transmission whose transmission ratio is changed electrically, for example, a continuously variable transmission such as an electric CVT.
- a differential mechanism electrical continuously variable transmission
- the power transmission path between the output member and the drive wheel is provided with a transmission.
- the output of the drive power source is transmitted to the drive wheels via two transmission mechanisms of an electric continuously variable transmission and a transmission, and each transmission gear ratio of those transmission mechanisms is used. Based on that, the overall gear ratio of the drive is formed.
- the electric drive as a whole may not be able to function as a continuously variable transmission, unlike the case where an electric continuously variable transmission is provided alone. there were.
- shift shock may occur, and the engine may not be maintained in the optimum operating condition, resulting in deterioration of fuel efficiency.
- the same can be applied to the case where a transmission is provided in the power transmission path between the output member of the differential mechanism and the drive wheels. A shift shock could occur, or the engine could not be maintained at an optimal operating condition, and fuel efficiency could deteriorate.
- the present invention has been made against the background described above.
- the object of the present invention is to provide a differential mechanism capable of operating a differential function for distributing the output of an engine to a first motor and an output shaft, and its differential mechanism.
- the drive apparatus can be miniaturized, or the fuel cost can be improved, and the occurrence of shift shock can be suppressed.
- a differential mechanism for distributing the output of the engine to the first motor and the transmission member, and a power transmission path from the transmission member to the drive wheel
- a vehicle drive comprising a transmission mechanism comprising: a continuously variable transmission unit having a first electric motor and operable as an electric continuously variable transmission; and a transmission unit that constitutes a part of the power transmission path
- a control device for the device (b) provided in the differential mechanism, wherein the continuously variable transmission unit can operate electrically continuously variable transmission, and the continuously variable transmission unit can be electrically
- a differential state switching device for selectively switching to a non-stepless shift state in which no step shift operation is performed, and (c) at the time of a shift of the shift portion, the stepless shift portion is a stepless shift Transmission control means for changing the transmission method of the transmission mechanism based on whether or not In the Mukoto.
- the continuously variable transmission unit in the drive system of the vehicle does not perform the electric continuously variable transmission operation and the electric continuously variable transmission operation that can be electrically performed by the differential state switching device. Since it can be selectively switched to a non-stepless shift state, for example, a stepped shift state, the transmission efficiency of a transmission whose transmission ratio can be changed electrically and mechanical power transmission are high.
- a driving device having both advantages of transmission efficiency is obtained. For example, in the normal output range of the engine where low and medium speed traveling and low and medium power traveling of the vehicle are performed, the above-mentioned continuously variable transmission unit is brought into a continuously variable transmission state to secure the fuel efficiency performance of the vehicle.
- the continuously variable transmission unit is in the non-stepless transmission state and is operated as a transmission in which the output of the engine is transmitted to the drive wheels through the mechanical power transmission path and the transmission ratio is electrically changed. Fuel consumption is improved because the conversion loss between power and electricity is reduced. Also, for example, when the continuously variable transmission unit is set to a non-stepless shift state in high power traveling, the low and medium speed traveling and low and medium power traveling of the vehicle can be performed as the transmission operating region where the gear ratio is electrically changed.
- the electric energy generated by the motor in other words, the maximum value of the electric energy transmitted by the motor can be reduced, and the motor or the drive system of the vehicle including the motor is further simplified.
- the transmission control unit Since the speed change method of the speed mechanism is changed, the engine rotation speed can be changed by the electric stepless shift operation regardless of the rotation speed of the transmission member restrained by the vehicle speed. According to the gear shift state and the non-stepless gear shift state of the continuously variable transmission portion in which the engine rotational speed is less likely to be changed compared to the continuously variable gear state, Can be controlled to suppress the occurrence of shift shocks.
- the transmission control unit when the continuously variable transmission unit is in the continuously variable transmission state, the transmission control unit is configured to receive the continuously variable transmission unit during an inertia phase that accompanies the transmission of the transmission unit.
- the electric continuously variable shift operation is performed to shift the continuously variable transmission so that the change in engine rotational speed is suppressed.
- the transmission mechanism can be made to function as a continuously variable transmission, fuel consumption can be improved.
- the transmission control means is configured to transmit the transmission ratio of the continuously variable transmission part in the direction opposite to the change direction of the transmission ratio of the transmission part such that a change in engine rotational speed is suppressed. Change the In this way, it is possible to suppress the change in the overall transmission ratio formed based on the speed change ratio of the continuously variable transmission unit and the transmission ratio of the transmission unit, and to suppress the change in engine rotational speed.
- the transmission control unit uses the first electric motor and / or the first electric motor.
- the engine rotation speed is positively changed with the shift.
- the target rate of change of the engine speed is, for example, a quick shift response that increases the rate of change of the engine speed at which the filling is good, and an engine speed at which the shift shock is easily suppressed.
- a change in engine speed that makes it possible to achieve both a gradual shift response that reduces the conversion ratio. Conversion rate.
- the transmission control unit uses the first electric motor and / or the second electric motor to shift the transmission unit. It is intended to suppress the blowup of the engine rotational speed that accompanies a shift. In this way, even if the continuously variable transmission of the continuously variable transmission, in which the engine rotational speed is less likely to be changed as compared to the continuously variable transmission of the continuously variable transmission, the shift of the continuously variable transmission As compared with the case where the engine rotational speed changes as a result, the occurrence of the shift shock associated with the blow-up of the engine rotational speed can be suppressed.
- the transmission unit is an automatic transmission whose transmission gear ratio is automatically switched by the release and engagement of the engagement device, and the transmission control means is of the transmission unit.
- the engagement pressure of the engagement device on the engagement side is higher than when the stepless shifting portion is in the stepless shifting state. It is In this way, as compared with the continuously variable transmission state of the continuously variable transmission portion, the change in engine rotational speed can be suppressed because the change in engine rotational speed accompanying the shift of the transmission portion can be suppressed.
- the torque capacity of the engagement device on the engagement side during shifting can be appropriately obtained even in the stepless shifting state of the continuously variable transmission where the inertia in the middle increases.
- a differential mechanism for distributing the output of the engine to the first motor and the transmission member, and a power transmission path from the transmission member to the drive wheel A control device for a vehicle drive device including a transmission mechanism including a differential unit having a second electric motor and a transmission unit that constitutes a part of the power transmission path, wherein: (b) said differential unit A differential state switching device, provided in a mechanism, for selectively switching the differential portion between a differential state in which the differential action works and a differential state in which the differential action works and a non-differential state; (c) A transmission control means is provided for changing the transmission method of the transmission mechanism based on whether or not the differential part is in the differential state at the time of transmission of the transmission part.
- the differential unit is selectively switched by the differential state switching device between the differential state in which the differential action can be operated and the non-differential state in which the differential action is not operated, for example, the hook state. Therefore, the fuel consumption improvement of the transmission whose transmission ratio can be changed electrically It is possible to obtain a drive that has the advantages of both the result and the high transmission efficiency of the gear transmission that mechanically transmits power. For example, in the normal output range of the engine where low and medium speed traveling and low and medium power traveling of the vehicle are performed, the above-mentioned differential portion is made differential to ensure the fuel efficiency of the vehicle.
- the differential unit is not movable when shifting the transmission unit. Since the transmission control method of the transmission mechanism is changed by the transmission control means based on whether or not it is in the differential state, regardless of the rotational speed of the transmission member restrained by the vehicle speed, the engine rotation speed by the differential action. Is difficult to be changed as compared with the differential state of the differential part, and the gear shift part speed change according to the non-differential state of the differential part. The change of the engine rotational speed accompanying with can be controlled to suppress the occurrence of shift shock.
- the shift control means is for differential operation of the differential unit during an inertia phase accompanying the shift of the transmission unit.
- the shift of the differential part is performed so that the change of the engine rotational speed is suppressed by In this way, even if the transmission gear ratio of the transmission unit is changed at the time of transmission of the transmission unit, the change in engine rotational speed is suppressed in synchronization with the transmission of the transmission unit, and the transmission shock is suppressed.
- the transmission mechanism can be made to function as a transmission whose transmission ratio can be changed electrically, fuel consumption can be improved.
- the transmission control means is configured to The transmission gear ratio of the differential part is changed in the direction opposite to the change direction of the transmission ratio of the transmission part so that the change is suppressed. In this way, it is possible to suppress the change in the overall transmission ratio formed based on the transmission ratio of the differential part and the transmission ratio of the variable speed part, and to suppress the change of the engine rotational speed.
- the shift control means uses the first electric motor and / or the second electric motor to shift the transmission section. Accordingly, the engine speed is positively changed to 0 ⁇ .
- the target rate of change of the engine speed is, for example, a quick shift response that increases the rate of change of the engine speed with good feeling, and a rate of change of the engine speed with which shift shock is easily suppressed. This is the rate of change of the engine rotational speed such that it becomes compatible with the gradual shift response in which.
- the shift control means uses the first electric motor and / or the second electric motor to shift the transmission section. It is intended to suppress the blow-up of the engine rotation speed accompanying it. In this way, even in the non-differential state of the differential portion in which the engine rotational speed is less likely to be changed as compared with the differential state of the differential portion, it is possible that Compared with the case where the rotational speed changes, the occurrence of the variable shock accompanying the blow-up of the engine rotational speed can be suppressed.
- the transmission unit is an automatic transmission in which a gear ratio is automatically switched by release and engagement of an engagement device
- the transmission control means is of the transmission unit.
- the invention according to claim 13 further includes torque down control means for reducing the torque transmitted to the drive wheel, and the torque down control means is configured to send the drive wheel to the drive wheel when the transmission unit is changed. It reduces the transmitted torque.
- the torque down control means executes the reduction of the torque transmitted to the drive wheels by the reduction of the engine torque or the torque down control by the second electric motor.
- the transmission unit is a stepped automatic transmission.
- the overall transmission ratio formed based on the transmission ratio of the continuously variable transmission unit and the transmission ratio of the transmission unit can be changed stepwise along with the transmission of the transmission unit. Can be changed rapidly as compared to being continuously changed. Therefore, the transmission mechanism can be functioned as a continuously variable transmission to smoothly change the drive torque, and it is also possible to change the gear ratio stepwise to obtain the drive torque quickly. .
- the continuously variable transmission unit is configured such that, when the differential mechanism is put into a differential state in which a differential function works by the differential state switching device, an electrically variable stepless operation is possible.
- the non-differential state in which the shift operation is performed and the differential operation is not performed for example, in the hook state
- the non-continuous shift state in which the electric stepless shift operation is not performed for example, the stepped shift state is there.
- the continuously variable transmission unit can be switched between the continuously variable transmission state and the non-stepless transmission state.
- the differential unit is brought into a differential state by the differential state switching device being in a differential state in which the differential mechanism works. None, non-differential state For example, the non-differential state is obtained by being locked. In this way, the differential part is switched between the differential state and the non-differential state
- the differential mechanism includes a first element connected to the engine, a second element connected to the first motor, and a third element connected to the transmission member.
- the differential state switching device wherein the first element to the third element can be relatively rotated relative to each other in order to be in the differential state;
- the first to third elements are integrally rotated together or the second element is in a non-rotating state. In this way, the differential mechanism is configured to switch between the differential state and the non-differential state.
- the differential state switching device comprises: a clutch for mutually connecting at least two of the first to third elements to integrally rotate the first to third elements together; And / or a brake for connecting the second element to a non-rotational member to bring the first element into a non-rotational state.
- the differential mechanism is configured to be easily switched between the differential state and the non-differential state.
- the differential mechanism is configured such that the first to third rotary elements can be relatively rotated relative to each other by releasing the clutch and the brake so that the electrical differential device It is assumed that the transmission of the transmission ratio is 1 by engagement of the clutch or the transmission of a speed increase transmission of less than 1 by the engagement of the brake. In this way, the differential mechanism can be configured to be switched between the differential state and the non-differential state, and can also be configured as a transmission having a single or multiple-stage constant transmission ratio.
- the differential mechanism is a planetary gear
- the first element is a carrier of the planetary gear
- the second element is a sun gear of the planetary gear
- the third element Is a ring gear of the planetary gear system. In this way, the axial dimension of the differential mechanism is reduced. Also, the differential mechanism can be easily configured by one planetary gear device.
- the planetary gear device is a single pinion planetary gear device.
- the differential mechanism is simply configured by one single pinion type planetary gear device.
- the overall transmission ratio of the transmission mechanism is formed based on the transmission ratio of the continuously variable transmission unit and the transmission ratio of the transmission unit. In this way, the drive power can be widely obtained by utilizing the transmission gear ratio of the transmission unit, and the efficiency of the continuously variable transmission control in the continuously variable transmission unit can be further enhanced.
- the overall transmission ratio of the transmission mechanism is formed based on the transmission ratio of the differential section and the transmission ratio of the transmission section. In this way, a wide range of driving power can be obtained by utilizing the speed change ratio of the transmission portion.
- the continuously variable transmission unit and the transmission unit constitute a continuously variable transmission.
- the continuously variable transmission unit and the transmission unit A stepped transmission can be configured.
- FIG. 1 is a skeleton view illustrating the configuration of a drive system of a hybrid vehicle according to an embodiment of the present invention.
- FIG. 2 illustrates the relationship between the speed change operation and the combination of the operation of the hydraulic friction engagement device used in the case where the drive system of the hybrid vehicle of the embodiment of FIG. 1 is operated continuously or steplessly. Operation chart.
- FIG. 3 is a collinear diagram illustrating relative rotational speeds of respective gear stages when the drive system of the hybrid vehicle of the embodiment of FIG.
- FIG. 4 is a diagram for explaining input / output signals of the electronic control unit provided in the drive unit of the embodiment of FIG.
- FIG. 5 is a functional block diagram for explaining an important part of control operation of the electronic control unit of FIG.
- FIG. 6 shows an example of a pre-stored shift diagram based on the shift determination of the automatic shift unit, which is configured on the same two-dimensional coordinates using the vehicle speed and the output torque as parameters, and switching of the shift state of the shift mechanism.
- An example of a prestored switching diagram as a basis of judgment and a prestored 'drive power source switching having a boundary line between an engine travel area and a motor travel area for switching between engine travel and motor travel A diagram showing an example of the diagram, It is also a figure showing each relationship.
- FIG. 7 is an example of the fuel consumption map, and the broken line thereof is the optimum fuel consumption rate curve of the engine 8. It is also a diagram for explaining the difference between engine operation with a continuously variable transmission (dotted line) and engine operation with a step-variable transmission (dashed dotted line).
- FIG. 8 is a diagram showing a prestored relationship having a boundary between the stepless control region and the stepped control region, and the boundary between the stepless control region and the stepped control region shown by the broken line in FIG. It is also a conceptual diagram for mapping.
- FIG. 9 is an example of the change of the engine rotational speed with the upshift in the stepped transmission.
- FIG. 10 shows an example of the shift operating device operated to select a plurality of types of shift positions provided with a shift lever.
- FIG. 11 is a flow chart for explaining the control operation of the electronic control unit of FIG. 5, that is, the shift control operation of the speed change mechanism at the time of shifting the automatic transmission unit.
- Fig.12 is a time chart explaining the control operation shown in the flow chart of Fig.11, and the control in the case where the 2nd speed-the 3rd speed upshift of the automatic transmission part is executed in the stepless shifting state of the differential part. Indicates operation.
- Fig. 13 is a time chart explaining the control operation shown in the flowchart of Fig. 11. In the case where the automatic transmission unit performs the third gear-second gear coast downshift in the continuously variable shift state of the differential unit. Control operation is shown.
- Fig. 14 shows the control operation when the third gear ⁇ second gear power down of the automatic transmission part is executed in the case of a jump shift in the continuously variable transmission state of the differential part.
- Fig. 11 is a time chart for explaining the control operation shown in the flowchart of Fig. 1. The control operation when the 2nd to 3rd upshifts of the automatic transmission are executed in the locked state of the differential part (stepped gear state) Is shown.
- FIG. 16 is a timing chart to explain the control operation shown in the flowchart in Fig. 11.
- the locked state (stepped gear state) of the differential section In the locked state (stepped gear state) of the differential section, the 3rd and 2nd gears of the automatic transmission section It shows the control operation when it is executed.
- FIG. 17 is a skeleton diagram for explaining the configuration of a hybrid vehicle drive system according to another embodiment of the present invention, which corresponds to FIG.
- FIG. 18 shows the relationship between the shift operation and the combination of the operation of the hydraulic friction engagement device used when the drive of the hybrid vehicle of the embodiment of Fig. 17 is operated steplessly or stepwisely.
- FIG. 6 is an operation diagram to be described, corresponding to FIG. 2;
- FIG. 19 is a collinear diagram illustrating the relative rotational speed of each gear when the hybrid vehicle drive system of the embodiment of FIG. 17 is subjected to a step-shift operation, and is a diagram corresponding to FIG. It is.
- FIG. 20 shows a seesaw type switch as a switching device, which is an example of a manual shift state selection device operated by a user to select a shift state.
- FIG. 1 is a skeleton view illustrating a transmission mechanism 10 which constitutes a part of a drive device of a hybrid vehicle to which a control device according to an embodiment of the present invention is applied.
- the speed change mechanism 10 is an input rotary member disposed on a common axial center in a transmission case 11 (hereinafter referred to as case 12) as a non-rotating member attached to the vehicle body.
- a differential unit 11 as a continuously variable transmission unit directly connected to the shaft 14 and the input shaft 14 directly or via a pulsation absorption damper (not shown) or the like (not shown), and its differential Automatic transmission unit as a speed changing unit functioning as a stepped transmission connected in series via a transmission member (transmission shaft) 18 in a power transmission path between the unit 11 and the drive wheel 38 20 and an output shaft 22 as an output rotary member connected to the automatic transmission unit 20 are provided in series.
- This transmission mechanism 10 is suitably used, for example, for an FR (front engine and rear drive) type vehicle vertically disposed in a vehicle, and may be directly connected to the input shaft 14 or through a pulsation absorbing damper (not shown).
- the engine 8 which is an internal combustion engine such as a gasoline engine or a diesel engine and a pair of drive wheels 3 8 (see FIG. 5).
- the power from the vehicle is transmitted to the pair of drive wheels 38 via the differential gear (final reduction gear) 36, which constitutes a part of the power transmission path, and the pair of axles, etc., sequentially.
- the engine 8 and the differential portion 11 are directly connected.
- This direct connection means that the connection is made without using a fluid type transmission device such as a torque converter or a fluid coupling.
- the connection via the pulse absorption damper is included in the direct connection. Since the transmission mechanism 10 is constructed symmetrically with respect to its axis, the lower side is omitted in the skeleton view of FIG. The same applies to each of the following embodiments.
- the differential unit 11 is a mechanical mechanism that mechanically distributes the output of the engine 8 input to the first motor M 1 and the input shaft 14, and the output of the engine 8 is obtained by the first motor M 1 and motor 1.
- Power transmission mechanism 16 as a differential mechanism for distributing to the transmission member 18 and the transmission member 18
- a second electric motor M2 provided to rotate integrally with the motor.
- the second electric motor M2 may be provided at any portion constituting a power transmission path from the transmission member 18 to the drive wheel 38.
- the first motor M1 and the second motor M2 in this embodiment are so-called motor generators having a power generation function, but the first motor M1 is a generator (power generation) function for generating a reaction force.
- the second motor M 2 at least has a motor (motor) function for outputting a driving force as a driving force source for traveling.
- the power distribution mechanism 16 comprises, for example, a single pinion type first planetary gear set 24 having a predetermined gear ratio / 0 1 of about "0.4 18", a switching clutch C 0 and a switching brake B 0 It is prepared on an initiative basis.
- the first planetary gear set 24 has a first sun gear S, a first planetary gear P 1, and a first carrier CA 1 that supports the first planetary gear P 1 rotatably and revolvably, and a first planetary gear P 1
- the first ring gear R1, which is in mesh with the first sun gear S1 is provided as a rotating element. Assuming that the number of teeth of the first sun gear S 1 is Z S 1 and the number of teeth of the first ring gear R 1 is Z R 1, the above gear ratio ⁇ 1 is Z S 1 / Z R 1.
- the first carrier CA 1 is connected to the input shaft 14, ie the engine 8
- the first sun gear S 1 is connected to the first electric motor M 1
- the first ring gear R 1 is a transmission member It is linked to one eight.
- the switching brake B0 is provided between the first sun gear S1 and the case 12 and the switching clutch C0 is provided between the first sun gear S1 and the first carrier CA1.
- the power distribution mechanism 16 is a first sun gear S 1 which is a three element of the first planetary gear set 2 4, 1 Since the carrier CA 1 and the first ring gear R 1 can be rotated relative to each other so that differential operation can be performed, ie, differential operation is performed, the output of the engine 8 is the first motor. While being distributed to M 1 and the transmission member 18, a part of the output of the distributed engine 8 is stored by the electric energy generated from the first motor M 1, and the second motor M 2 is rotationally driven.
- the differential portion 1 1 (power distribution mechanism 1 6) is made to function as an electrical differential, and for example, the differential portion 1 1 is In the fast state (electrical CVT state), the rotation of the transmission member 18 is continuously changed regardless of the predetermined rotation of the engine 8. That is, when the power distribution mechanism 16 is brought into the differential state, the differential part 1 1 is also brought into the differential state, and the differential part 1 1 has its gear ratio 0 (rotational speed / transmission member of input shaft 14)
- the continuously variable transmission state is made to function as an electric continuously variable transmission in which the rotational speed of 18) is continuously changed from the minimum value O min to the maximum value 0 max.
- the power distribution mechanism 16 does not perform the differential action, that is, the differential action is impossible. It is in a non-differential state. Specifically, when the switching clutch C 0 is engaged and the first sun gear S 1 and the first carrier CA 1 are integrally coupled, the power distribution mechanism 16 is configured of the first planetary gear set 24. The first sun gear S 1, the first carrier CA 1, and the first ring gear R 1, which are three elements, are brought into a coupled or locked state where they are rotated together, ie, integrally rotated, to a non-differential state that does not perform the differential operation.
- the differential part 1 1 is also in the non-differential state.
- the gear ratio 0 of the differential portion 1 1 (power distribution mechanism 1 6) is fixed to “1”.
- a non-stepless shift state functioning as a transmission for example, a constant shift state, that is, a stepped shift state.
- the power distribution mechanism 16 is in the non-rotation state of the first sun gear S 1. Since the coupled state, that is, the locked state, and the non-differential state that does not perform the differential operation is performed, the differential unit 11 is also set to the non-differential state. Also, since the first ring gear R1 is rotated at a higher speed than the first carrier CA 1, the power distribution mechanism 16 functions as a speed increasing mechanism, and the differential portion 1 1 (power distribution mechanism 16) Is a non-stepless shift state that functions as a step-up transmission in which the speed change ratio 0 is fixed to a value smaller than “1”, for example, about 0.7.
- the switching clutch C 0 and the switching brake B 0 are in the differential state, that is, the non-locking state, of the shift state of the differential portion 1 1 (power distribution mechanism 1 6).
- Non-connected state Non-connected state
- non-differential state ie, locked state
- connected state a differential state in which the differential portion 1 1 (power distribution mechanism 1 6) can operate as an electrical differential device.
- Continuously variable operation that operates as an electric continuously variable transmission that can change the ratio continuously Continuously variable transmission that can be operated continuously, and continuously variable transmission that does not operate electrically continuously variable transmission
- electric continuously variable transmission Locked state that does not operate as a transmission and does not operate continuously variable transmission and that locks gear ratio change uniformly, that is, an electric that operates as a single or multiple speed transmission with one or more gear ratios.
- Non-variable speed operation not performed that is, constant speed change state (non-differential state) incapable of electrical non-step speed operation, in other words, constant speed change state operating as a single or multi-stage transmission with constant speed ratio
- the non-connected state includes the case where the switching clutch C 0 or the switching brake B 0 is in the half engagement (slip) state, in addition to the state in which the switching clutch C 0 and the switching brake B 0 are completely released. good.
- the automatic transmission unit 20 includes a single pinion type second planetary gear unit 26, a single pinion type third planetary gear unit 28, and a single pinion type fourth planetary gear unit 30. Act as an automatic transmission.
- the first planetary gear unit 26 has a second sun gear S 2, a second planetary gear P 2, and a second carrier CA 2 and a second planetary gear P 2 that rotatably and rotatably support the second planetary gear P 2. It has a second ring gear R2 that engages with the second sun gear S2, and has a predetermined gear ratio 2 of, for example, about 0.562.
- the third planetary gear unit 2 8 includes a third sun gear S 3, a third planetary gear P 3, and a third carrier CA 3 which supports the third planetary gear P 3 rotatably and revolvably, and a third planetary gear P 3
- the third gear R 3 is in mesh with the third sun gear S 3 via a third gear S 3, and has a predetermined gear ratio 0 3 of, for example, about 0.425.
- the fourth planetary gear unit 30 is a fourth sun gear S 4, a fourth planetary gear P 4, and a fourth carrier CA 4 that supports the fourth planetary gear P 4 rotatably and revolvably, a fourth idle gear P 4
- the fourth ring gear R4 is engaged with the fourth sun gear S4 via the fourth sun gear S4.
- the fourth gear R4 has a predetermined gear ratio / 04 of about "0.4 2 1".
- the number of teeth of the second sun gear S2 is ZS 2
- the number of teeth of the second ring gear R 2 is ZR 2
- the number of teeth of the third sun gear S 3 is ZS 3
- the number of teeth of the third ring gear R 3 is ZR 3
- the fourth Number of teeth of sun gear S 4- Assuming that the number of teeth of ZS 4 and fourth ring gear R 4 is ZR 4, the gear ratio p 2 is ZS 2 / ZR 2, the gear ratio p 3 is ZS 3 / ZR 3, and the gear ratio p 4 is ZS 4 / It is ZR 4.
- the second sun gear S2 and the third sun gear S3 are physically connected together and selectively connected to the transmission member 18 via the second clutch C2 and the first brake
- the second carrier CA 2 is selectively connected to the case 12 via B 1
- the second carrier CA 2 is selectively connected to the case 12 via the second brake B 2
- the fourth ring gear R 4 is a third brake B 3
- the second ring gear R 2, the third carrier CA 3 and the fourth carrier CA 4 are integrally connected to the output shaft 22 via a second ring gear R 2, a third ring gear R 3, and a third ring gear R 3.
- the third sun gear S4 and the fourth sun gear S4 are integrally coupled and selectively coupled to the transmission member 18 through the first clutch C1.
- the first clutch C1 or the second clutch is used to establish the shift position of the automatic transmission unit 20 with the automatic transmission unit 20 and the transmission member 18.
- the first clutch C 1 and the second clutch C 2 are between the transmission member 18 and the automatic transmission shaft 20, ie, between the differential portion 1 1 (transmission member 18) and the drive wheel 38 Functions as an engagement device that selectively switches between the power transmission enabled state enabling power transmission of the power transmission path and the power transmission interruption state blocking the power transmission of the power transmission path.
- the power transmission path is made capable of transmitting power, or the first clutch C 1 and the second clutch C 2 are By being released, the power transmission path is brought into the power transmission cutoff state.
- the switching clutch C0, the first clutch C1, the second clutch C2, the switching brake ⁇ ⁇ ⁇ ⁇ 0, the first brake ⁇ 1, the second brake ⁇ 2 and the third brake ⁇ ⁇ ⁇ ⁇ 3 are the conventional automatic transmissions for vehicles.
- a commonly used hydraulic friction engagement device in which a plurality of friction plates stacked one on another are pressed by a hydraulic pressure plate, or a wet multi-plate type that rotates, is wound around the outer peripheral surface of a drum.
- One end of each of the one or two bands is constituted by a tire brake etc. which is tightened by a hydraulic actuator, and it is for selectively connecting the members on both sides in which it is interposed.
- the power distribution mechanism 16 is provided with the switching clutch C 0 and the switching brake key 0, and any one of the switching clutch C 0 and the switching brake ⁇ 0 is engaged.
- the differential unit 11 can be configured to form a constant transmission operating as a transmission having a constant gear ratio. Therefore, in gear shift mechanism 10, there is a step between differential portion 11 and automatic gear shift portion 20 which are brought into a constant gear shift state by engaging either of switching clutch C 0 or switching brake ⁇ 0. A stepped portion operating as a transmission is configured, and both the switching clutch C 0 and the switching brake ⁇ 0 are not engaged to operate. Continuously variable transmission operating as an electric continuously variable transmission.
- gear change mechanism 10 is switched to the step-variable shifting state by engaging either of switching clutch C 0 and switching brake ⁇ 0, and both switching clutch C 0 and switching brake ⁇ 0 are engaged. It is switched to the continuously variable transmission state by not moving it. Further, it can be said that the differential part 11 is also a transmission that can be switched between a stepped shift state and a continuously variable shift state.
- the gear ratio 1 is engaged by engagement of the switching clutch C 0, the first clutch C 1 and the third brake B 3.
- the first gear stage is established with the maximum value of, for example, “3.35 7”, and the shift ratio gear is engaged by engagement of the switching clutch C 0, the first clutch C 1 and the second brake B 2.
- the value 2 is smaller than that of the first gear, for example, approximately 2.80.
- the value of the gear ratio 3 is smaller than that of the second gear, for example, “1.4
- the third gear is approximately 2 4 ", and the gear ratio 4 is smaller than the third gear due to the engagement of the switching clutch CO, the first clutch C 1 and the second clutch C 2.
- the fourth gear which is about "0 0 0"
- the gear ratio gear 5 is the fourth gear.
- the fifth gear is established, which is smaller than the gear, for example, about "0.705".
- the transmission ratio R is a value between the first gear and the first gear, for example, about “3.20 9”.
- the reverse gear is established. In the neutral "N" state, for example, only the switching clutch C0 is engaged.
- the transmission mechanism 10 functions as a continuously variable transmission
- both the switching clutch C 0 and the switching brake B 0 in the engagement table shown in FIG. 2 are released.
- the differential section 11 functions as a continuously variable transmission
- the series automatic transmission section 20 functions as a stepped transmission, whereby the first speed and the second speed of the automatic transmission section 20 can be obtained.
- the rotational speed of the transmission member 18, ie, the rotational speed of the transmission member 18, is continuously changed for each speed of the third, fourth and fourth speed gears.
- a typical gear ratio range can be obtained. Therefore, the gear ratio that can be continuously changed continuously between the respective gear stages is formed based on the gear ratio 0 of the differential section 1 1 and the gear ratio of the automatic transmission section 20.
- the total gear ratio (total gear ratio) of the entire transmission mechanism 10 can be obtained steplessly.
- FIG. 3 shows a speed change system comprising a differential section 11 functioning as a continuously variable transmission section or a first transmission section, and an automatic transmission section 20 functioning as a transmission section (stepped transmission section) or a second transmission section.
- the alignment chart which can represent on a straight line the relative relationship of the rotational speed of each rotating element in which the coupling state differs for each gear is shown.
- the alignment chart in FIG. 3 is a two-dimensional figure consisting of a horizontal axis showing the relationship of the gear ratio ⁇ of each planetary gear set 24, 26, 28, 30 and a vertical axis showing relative rotational speed.
- the lower horizontal line X 1 of the three horizontal lines indicates the rotational speed of zero, and the upper horizontal line X 2 is the rotational speed “0”, ie the input axis
- the rotational speed N E of the engine 8 connected to 14 is shown, and the horizontal line XG shows the rotational speed of the transmission member 18.
- three vertical lines Y 1,. Y 2 and ⁇ 3 corresponding to the three elements of the power distribution mechanism 16 constituting the differential part 11 are, in order from the left side, the second rotating element (second element) RE 2
- the first sun gear S 1 corresponding to the first rotating element (first element) The first gear CA corresponding to the RE 1
- the third rotating element (third element) corresponding to the RE 3
- the phase of the first ring gear R 1 corresponding to RE 3 The rotational speeds are indicated, and their intervals are determined in accordance with the gear ratio of the first planetary gear set 24.
- the five vertical lines ⁇ 4, ⁇ 5, ⁇ 6, ⁇ 7, ⁇ 8 of the automatic transmission unit 20 correspond to the fourth rotation element (fourth element) RE 4 and are mutually connected in order from the left
- the fourth ring gear R4 corresponds to the seventh rotating element (seventh element) RE 7 and is interconnected with the second ring gear R2, the third carrier C A3, the fourth carrier CA 4 the eighth rotating element Eighth element)
- a third ring gear R 3 and a fourth sun gear S 4 corresponding to RE 8 and interconnected with one another, and their intervals are the second, third and fourth planetary gear units 26, 28, It is determined according to the gear ratio p 2 and p 3.
- the distance between the sun gear and the carrier in the relationship between the longitudinal axes of the alignment graph is a distance corresponding to "1”
- the distance between the carrier and the ring gear is a distance corresponding to the gear ratio p of the planetary gear device. That is, in the differential portion 11, the distance between the vertical lines Y 1 and Y 2 is set to a distance corresponding to “1”, and the distance between the vertical lines Y 2 and Y 3 corresponds to the gear ratio p 1 Set to interval.
- the intervals between the sun gear and the carrier are set at intervals corresponding to "1" for each of the second, third, and fourth planetary gear units 26, 28, and 30, and the gear and ring gear. The interval between and is set to the interval corresponding to / 0.
- the transmission mechanism 10 of the present embodiment is a power distribution mechanism 1 6 (differential portion 1 1), and the first rotating element RE of the first planetary gear set 24 1 (first carrier CA 1) is connected to input shaft 1 4, ie, engine 8, and selectively from the second rotating element (first sun gear S 1) RE 2 via switching clutch C 0
- the second rotating element RE 2 is connected to the first electric motor M 1 and selectively connected to the case 1 2 through the switching brake B 0, and the third rotating element (the first ring gear R l ) RE 3 is connected to the transmission member 18 and the second motor M 2 so as to transmit (input) the rotation of the input shaft 1 4 to the automatic transmission unit 20 via the transmission rod 18 ing.
- the relationship between the rotational speed of the first sun gear S1 and the rotational speed of the first ring gear R1 is shown by the oblique straight line L0 passing through the intersection of Y2 and X2.
- the straight line L 0 and the vertical line are controlled by controlling the rotational speed of the first electric motor M 1
- the rotation of the first sun gear S 1 indicated by the point of intersection with Y 1 is raised or lowered
- the rotation of the first ring gear R 1 restrained at the vehicle speed V indicated by the point of intersection of the straight line L 0 and the vertical line Y 3
- the rotational speed of the first carrier CA 1 indicated by the intersection of the straight line 0 and the vertical line Y 2 that is, the engine rotational speed N E is increased or decreased.
- the power distribution mechanism 16 is put into a non-differential state in which the three rotating elements are integrally rotated.
- the straight line 0 is made to coincide with the horizontal line X 2, and the transmission member 18 is rotated at the same rotation as the engine rotation speed N E.
- the power distribution mechanism 16 is put into a non-differential state to function as a speed increasing mechanism.
- the fourth rotating element RE 4 is selectively coupled to the transmission member 18 via the second clutch C 2 and selectively to the case 12 via the first brake B 1
- the fifth rotation element RE 5 is selectively connected to the case 1 2 via the second brake B 2
- the sixth rotation element RE 6 is case 1 via the third brake B 3
- the seventh rotating element RE 7 is selectively connected to the output shaft 22, and the eighth rotating element RE 8 is selectively connected to the transmission member 18 via the first clutch C 1. . ⁇ ⁇ In the automatic transmission unit 20, as shown in FIG.
- the rotational speed of the second speed output shaft 22 is indicated at the point of intersection with the line Y 7, and the oblique straight line L 3 determined by the engagement of the first clutch C 1 and the first brake B 1 and the output
- the rotational speed of the third speed output shaft 22 is indicated at the point of intersection with the vertical line Y 7 indicating the rotational speed of the seventh rotational element RE 7 connected to the axis 2, and the first clutch C 1 and the second clutch
- the rotational speed of axis 2 2 is indicated.
- the eighth rotating element RE 8 at the same rotational speed as the engine rotational speed N E is the differential part 1 1, that is, the power distribution mechanism 1 6 Power from is input.
- the switching brake B 0 is engaged instead of the switching clutch C 0
- the power from the differential unit 1 1 is input at a rotational speed higher than the engine rotational speed N E.
- FIG. 4 exemplifies a signal inputted to the electronic control unit 40 for controlling the transmission mechanism 10 of this embodiment and a signal outputted from the electronic control unit 40.
- This electronic control unit 40 is configured to include a so-called micro computer consisting of a CPU, an ROM, an input / output interface, etc., while utilizing the temporary storage function of the RAM.
- Hybrid drive control for the engine 8 the first and second motors M and M 2 by performing signal processing according to the program stored in advance in the The drive control such as the shift control of the automatic transmission unit 20 is executed.
- a signal representing engine water temperature TEMP W , a signal representing a shift position P SH, and an engine rotational speed N which is a rotational speed of the engine 8 are provided to the electronic control unit 40 from respective sensors and switches as shown in FIG.
- Signal representing E signal representing gear ratio train setting value, signal designating M mode (manual shift traveling mode), signal representing operation of air conditioner, vehicle speed corresponding to rotational speed of output shaft 2 ⁇ ⁇ ⁇ ⁇ ⁇ V
- a signal representing the hydraulic fluid temperature of the automatic transmission unit 20 a signal representing the side brake operation, a signal representing the foot brake operation, a signal representing the catalyst temperature, an accelerator pedal corresponding to the driver's required output
- a signal representing the accelerator opening Acc which is the amount of operation, a signal representing the cam angle, a signal representing the setting of the snow mode, a signal representing the longitudinal acceleration G of the vehicle, a signal representing the cruise travel, the weight of the vehicle ( A signal representing the weight of the wheel, a signal representing the wheel speed of each wheel, and the differential unit 1
- the speed change mechanism 1 0 (the power distribution mechanism 1 6) in stepless shift state (difference signal representing the presence or absence of the continuously variable switch operation for switching to the dynamic state), the rotational speed of the first electric motor M 1 New Micromax, (hereinafter, the first electric motor speed New Micromax, say) signal representing the second electric motor M
- the second motor rotational speed N M 2 a signal representing the charge capacity (state of charge) SOC of the storage battery 60 (see FIG. 5), etc. Be done.
- a drive signal to the throttle valve operating the throttle valve opening 0 TH of the electronic throttle valve 9 4 and the amount of fuel supplied to the engine 8 by the fuel injection unit 9 6 The fuel supply signal for controlling the engine, the ignition signal for commanding the ignition timing of the engine 8 by the igniter 98, the boost pressure regulation signal for regulating the boost pressure, the electric air conditioner for operating the electric air conditioner Drive signal, command signal for commanding motor M 1 and M 2 operation, shift position (operation position) display signal for operating shift indicator, gear ratio display signal for displaying gear ratio, snow Snow mode display signal to indicate that it is in the mode, Prevents wheel slippage during braking ABS operation for operating ABS actuator- Dynamic signal, M mode display signal to indicate that M mode is selected, Hydraulic control to control the hydraulic pressure of the hydraulic friction engagement device of differential part 1 1 or automatic transmission part 20
- the valve command signal for operating the solenoid valve included in the circuit 4 2 (refer to FIG. 5), the drive command signal for operating the electric hydraulic pump which is the hydraulic source of this hydraulic control
- FIG. 5 is a functional block diagram for explaining the main part of the control function of the electronic control unit 40.
- the geared shift control means 54 has, for example, a vehicle speed V and an automatic shift from a shift diagram (shift map) shown by the solid line and one-dot chain line in FIG. Part 20 Requested output torque ⁇ .
- a shift diagram shift map
- ⁇ the shift stage of automatic transmission unit 20
- the geared shift control means 54 is a hydraulic type involved in the shift excluding the switching clutch C 0 and the switching brake ⁇ ⁇ 0 so that the shift stage is achieved according to the engagement table shown in FIG. 2, for example.
- the hydraulic control circuit 42 releases, for example, the release-side hydraulic friction engagement device involved in the shift, and engages the hydraulic friction engagement device on the engagement side involved in the shift.
- the solenoid valve in the hydraulic control circuit 42 is operated to operate the hydraulic actuator of the hydraulic friction engagement device involved in the shift so that the shift of the automatic transmission unit 20 is executed.
- the hybrid control means 52 functions as a continuously variable transmission control means, and in the continuously variable transmission state of the transmission mechanism 10, that is, in the differential state of the differential portion 11, the engine 8 is operated in an efficient operating range. While operating, the distribution of the driving force between the engine 8 and the second motor ⁇ 2 and the reaction force from the power generation of the first motor ⁇ 1 are changed so as to be optimal.
- Control gear ratio 0 as a transmission. For example, at the traveling vehicle speed at that time, the target (request) output of the vehicle is calculated from the accelerator opening Acc as the driver's required output and the vehicle speed V, and the target output of the vehicle and the charge request value And calculate the target engine output considering the transmission loss, auxiliary load, assist torque of the second motor M2, etc. so that the total target output can be obtained.
- the engine 8 is controlled so that the engine rotational speed N E and the engine torque T E at which the target engine output can be obtained, and the amount of power generation of the first electric motor M 1 is controlled.
- the hybrid control means 52 executes the control in consideration of the shift position of the automatic transmission unit 20 in order to improve power performance, fuel efficiency, and the like.
- the engine rotational speed NE determined for operating the engine 8 in the efficiency range and the operating range, the rotational speed of the transmission member 18 determined by the vehicle speed V and the shift position of the automatic transmission unit 20 In order to match, the differential ⁇ 11 is made to function as an electric continuously variable transmission.
- the transmission mechanism 1 is made to have an engine torque T E and an engine rotational speed N E for generating an engine output necessary to satisfy a target output (total target output, required driving force), for example. Determine the target value of the total gear ratio T of 0, control the gear ratio 0 of the differential section 1 1 so that the target value can be obtained, and change the total gear ratio T within the changeable range Range of 1 to 0.5 In control.
- the hybrid control means 52 supplies the electric energy generated by the first motor M 1 to the storage device 60 or the second motor M 2 through the inverter 58
- the main power of the engine 8 is The unit is mechanically transmitted to the transmission member 18 but a part of the power of the engine 8 is consumed to generate electric power from the first motor M 1 where it is converted to electric energy and The electric energy is supplied to the second motor M2, and the second motor M2 is driven and transmitted from the second motor M2 to the transmission member 18. From the generation of this electric energy to the consumption by the second motor M2, part of the power of the engine ⁇ 8 is converted to electric energy, and the electricity An electricity source is used to convert energy into mechanical energy.
- the gear ratio of the automatic transmission unit 20 is changed stepwise in accordance with the stepwise change of the transmission ratio.
- the total transmission ratio T of the transmission mechanism 10 is changed in stages. That is, the change of the total gear ratio T is not continuously changed as in the case of a continuously variable transmission in which the gear ratio can be continuously changed before and after the shift of the automatic transmission unit 20.
- By changing the total change ratio T stepwise it becomes possible to change the drive torque more quickly than the continuous change of the linear transmission ratio T.
- there is a possibility that or speed change shocks are generated the fuel consumption can not control the engine rotational speed N E along the optimum fuel consumption curve deteriorate.
- the hybrid control means 52 controls the stepwise change of the total transmission ratio T before and after the change of the automatic transmission unit 20, that is, the change of the automatic change unit 20.
- change in the engine rotational speed N E is equal to or less than a predetermined E down Jin speed New E 'with respect to the rotational speed change of the automatic transmission portion 2 0 of the input rotational speed at which the transfer member 1 8 (second electric motor M 2) associated with the As described above, the shift of the differential unit 11 is performed in synchronization with the shift of the automatic transmission unit 20.
- the change in engine rotational speed ⁇ is suppressed before and after the shift of the automatic transmission unit 20 by the electrical CVT function (differential action) of the differential unit 11.
- the predetermined engine rotational speed New E ' As a change in the engine rotational speed New E which changes in Enjin speed New E before and after the shifting action of the automatic transmission portion 2 0 is suppressed, it is stored previously obtained experimentally It is a predetermined value to be a target when changing the gear ratio at the time of shifting of the differential part 11 which is present.
- the hybrid control means 52 has a total transmission ratio before and after the shift of the automatic transmission 20 so that the transient change of the total transmission ratio does not change discontinuously before and after the shift of the automatic transmission 20.
- transients ⁇ is continuously changed such that the engine rotational speed New E is kept substantially constant, in synchronization with the shifting action of the automatic transmission portion 2 0, the automatic speed change unit 2 0 gear ratio ⁇
- the gear shift of the differential unit 11 is performed so that the gear ratio 0 is changed in the direction opposite to the change direction by the change amount corresponding to the stepwise change of the gear ratio of the automatic transmission unit 20.
- the engine 8 is operated as shown by the one-dot chain line in FIG. 7, and in the case of the continuously variable transmission, for example, The engine 8 is operated along the fuel efficiency curve or at a point closer to the optimum fuel efficiency curve as compared to the geared transmission. Therefore, the engine torque T E for obtaining the drive torque with respect to the required drive torque (drive force) is closer to the optimum fuel efficiency curve in the continuously variable transmission as compared with the step-variable transmission. Since it is realized by the rotational speed N E , the continuously variable transmission is said to have better fuel efficiency than the stepped transmission.
- the hybrid control means 52 executes so-called synchronous shift control for executing the shift of the differential section 11 in synchronization with the shift of the automatic shifting section 20.
- the start timing of the synchronous shift control of the differential portion 11 is determined by the gear shift determination of the automatic shift portion 20 by the step shift control means 54.
- the transmission member 18 is actually operated by the operation of the hydraulic friction engagement device.
- Response delay until the rotational speed of the electric motor M 2) is changed that is, the change in input rotational speed N, N of the automatic transmission unit 0 along with the transmission in the gear change process of the automatic transmission unit 20.
- the response delay until the start of the so-called inertia phase in which the change of the rotational speed of 18 occurs is taken into consideration.
- the response delay may be determined and stored in advance by experiments or the like, or the hybrid control means 52 may be configured as a differential unit 1 due to a change in rotational speed of the transmission member 18 actually.
- the synchronous shift control of 1 may be started. .
- the end timing of the synchronous shift control of the differential portion 11 is a point at which the inertia phase in the shift process of the automatic transmission portion 20 is finished.
- the shift time of the automatic transmission unit 20 may be obtained and stored in advance by experiment etc., or the rotational speed change of the transmission member 18 has actually been eliminated.
- the synchronous transmission control of the differential unit 1 1 may be ended.
- the hybrid control means 52 is operated during the period of the inertia phase (within the section) in the shifting process of the automatic transmission unit 20, that is, during the inertia phase, for example, during the period obtained in advance experimentally.
- the synchronous transmission control is performed by shifting the differential section 11 during the time from when the rotational speed change of the transmission member 18 occurs to when the rotational speed change of the transmission member 18 disappears.
- the hybrid control means 52 executes the shift of the differential section 11 during the inner gear phase accompanied by the shift of the automatic shift section 20, the difference is synchronized with the shift of the automatic shift section 20.
- the shifting of the moving part 11 can be performed.
- the hybrid control means 52 controls the electronic throttle valve 94 to open and close by means of a throttle valve for throttle control, and also controls the fuel injection amount and injection timing by the fuel injection device 96 for fuel injection control.
- An engine that performs output control of the engine 8 so as to generate the necessary engine output by controlling or controlling the ignition timing by the ignition device 98 such as an igniter for control of the ignition timing alone or in combination.
- An output control means is functionally provided.
- the hybrid control means 52 basically drives the throttle actuator based on the accelerator opening degree Acc from a prestored relationship not shown, and the throttle valve increases as the accelerator opening degree Acc increases. Throttle control is performed to increase the opening degree 0 ⁇ ⁇ .
- the hybrid control means 52 can cause the motor to run by the electrical CVT function (differential action) of the differential portion 11 regardless of whether the engine 8 is stopped or idle.
- the solid line in FIG. 6 indicates the engine 8 for switching between the engine 8 and the motor, for example, the second motor M 2, the driving power source for starting / running the vehicle (hereinafter referred to as traveling).
- the prestored relationship having a boundary (solid line A) for switching between engine running and motor running shown in FIG. 6 takes as parameters the vehicle speed V and the output torque ⁇ ⁇ ⁇ ⁇ ⁇ that is the driving force related value. It is an example of the driving force source switching diagram (driving force source map) comprised by two-dimensional coordinate. This driving power source switching diagram is stored in advance in the storage means 56 together with the shift diagram (shift map) shown by the solid line and the alternate long and short dash line in the same FIG. 6, for example.
- the hybrid control means 52 is, for example, the vehicle speed V and the required output torque T from the driving power source switching diagram of FIG. It is determined whether the motor travel area or the engine travel area is based on the vehicle state indicated by UT and motor travel or engine travel is executed.
- the motor driving by the hybrid control means 52 generally has a relatively low output torque ⁇ ⁇ ⁇ , which is considered to be inferior to the high torque region in the engine efficiency. It is performed in the low engine torque T E region or relatively low vehicle speed region in which the vehicle speed V, ie low load region.
- motor start is executed prior to engine start, for example, when the vehicle starts, the required output torque ⁇ ⁇ ⁇ ⁇ ⁇ , that is, the required engine torque T exceeding the motor travel area of the drive power source switching diagram of FIG.
- engine start is usually executed.
- the hybrid control means 52 uses the electrical CVT function (differential action) of the differential unit 11 to suppress drag of the stopped engine 8 and improve fuel consumption during this traveling on the road. , the first electric motor speed New Micromax 1 by idling for example controlled in a negative rotational speed, to maintain the engine rotational speed New E at zero or substantially zero as needed by the differential action of the differential portion 1 1.
- the high-power control means 52 has the electric motor energy from the first electric motor 1 by the electric path described above and / or the electric energy from the electric storage device 60 the second electric motor.
- the engine driving of this embodiment includes the case of driving with an engine and a motor.
- the hybrid control means 52 maintains the operating state of the engine 8 by the electrical CVT function of the differential unit 11 regardless of the stopped state or low vehicle speed state of the vehicle.
- the power of the engine 8 causes the first motor ⁇ 1 to generate power.
- the difference of the power distribution mechanism 16 even if the rotation speed of the first motor ⁇ 1 is increased and the second motor rotation speed ⁇ 2 which is uniquely determined by the vehicle speed V becomes zero (approximately zero) due to the vehicle stop state.
- the engine rotation speed ⁇ ⁇ is maintained at or above the rotation speed at which it can autonomously rotate.
- Haipuriddo control unit 5 regardless of the stopping or during traveling of the vehicle, the differential portion 1 1 of the electric CVT first electric motor by the functional speed New Micromax 1 and / or the second electric motor rotation speed New Micromax 2 controls are generally rotated controlled to an arbitrary rotational speed or to maintain a constant Enjin rotational speed New E with.
- Haiburitsudo control unit 5 2 the Enjin rotational speed while controlling New and ⁇ any rotational speed or to maintain a substantially constant first electric motor speed New Micromax 1 and / or the second electric motor rotation speed New Micromax 2 It is possible to control rotation to any rotation speed.
- hybrid control unit 5 2 As can be seen from the diagram of FIG. 3 when raising the engine rotation speed New E during running of the vehicle, the second electric motor depends on the vehicle speed V (driving wheels 3 8) The bow I of the first motor rotational speed ⁇ is executed while maintaining the rotational speed ⁇ 2 substantially constant.
- the vehicle state 6 according to the shift line diagram shown in FIG. 6 previously stored in the storage means 56 based on the shift mechanism 10 of the transmission mechanism 10 according to the speed increase gear, for example the fifth gear or not Determine
- the switching control means 50 switches between the continuously variable shifting state and the stepped shifting state by switching the engagement / disengagement of the engagement device (switching clutch C 0, switching brake ⁇ 0) based on the vehicle state. That is, the differential state and the hook state are selectively switched.
- the switching control means 50 is controlled by the vehicle speed V from the switching diagram (switching map) shown by the broken line and the two-dot chain line in FIG.
- the shift condition of the shift mechanism 1 0 (differential unit 1 1) to be switched is judged, that is, the shift mechanism 10 is made into a stepless shift condition It is determined whether it is in the stepless control region or in the stepped control region in which the transmission mechanism 10 is in the step-variable shifting state, and the transmission mechanism 10 is in the stepless shifting state and the stepped shift state. Selectively switch to any of.
- the switching control means 50 when it is determined that the switching control means 50 is within the step-variable speed control area, the switching control means 50 outputs a signal to the hybrid control means 52 to disable or prohibit the hybrid control or the stepless speed control.
- the gear shift control means 54 is permitted to shift at the time of the gear shift set in advance.
- the geared shift control means 54 executes the automatic shift control of the automatic shifting unit 20 according to the shift map shown in FIG. 6, for example, stored in advance in the memory unit 56.
- FIG. 2 pre-stored in the memory means 56 is the hydraulic friction engagement device selected at this time, that is, C 0, C 1, C 2, B 0, B 1, B 2, B 3.
- the combination of the operation is shown. That is, the entire transmission mechanism 10, that is, the differential portion 1 1 and the automatic transmission portion 20 function as a so-called stepped automatic transmission, and the shift speed is achieved according to the engagement table shown in the figure.
- the switching control means 50 release the switching clutch C 0 so that the differential part 11 is made to function as an auxiliary transmission with a fixed gear ratio 70, eg gear ratio 0.
- a command to engage switching brake B 0 is output to hydraulic control circuit 4 2.
- the shift control is performed because the speed reduction gear stage can be obtained as the entire transmission mechanism 10 and the speed ratio is 0 or more.
- Means 50 engages the switching clutch C 0 and releases the switching brake B 0 so that the differential section 11 functions as an auxiliary transmission with a fixed speed ratio 0, eg 0. Output the command to hydraulic control circuit 42.
- the shift control unit 50 switches the transmission mechanism 10 to the stepped shift state, and selectively switches one of the two gear stages in the stepped shift state.
- the moving part ⁇ 1 1 is made to function as a sub-transmission and in series with it
- the entire transmission mechanism 10 can function as a so-called stepped automatic transmission.
- the switching control means 50 determines that the speed change mechanism 10 is in the stepless speed change control region to switch the speed change mechanism 10 to the stepless speed change state
- the step change speed condition is obtained as the entire speed change mechanism 10 A command to release the switching clutch C 0 and the switching brake B 0 is output to the hydraulic control circuit 41 so that the moving part 11 can be subjected to stepless shifting with the stepless shifting state.
- it outputs a signal for permitting hybrid control to high-ride control means 52, and also outputs a signal for fixing to a gear position at the time of continuously variable transmission, which is set in advance, to step change-speed control means 54.
- it outputs a signal for permitting automatic shifting of the automatic transmission unit 20 according to a shift map shown in FIG.
- the differential unit 11 switched to the continuously variable transmission state by the switching control means 50 functions as a continuously variable transmission
- the automatic transmission unit 20 in series functions as a stepped transmission. Therefore, at the same time that the driving force of an appropriate size is obtained, the automatic transmission unit 20 is provided for each of the first gear, second gear, third gear, and fourth gear of the automatic transmission unit 20.
- the input rotational speed, that is, the rotational speed of the transmission member 18 is steplessly changed to obtain a stepless transmission ratio width for each gear. Therefore, the gear ratio can be continuously changed continuously between the respective gear stages, and as a whole, the continuously variable transmission state can be obtained as the entire transmission mechanism 10, and the total transmission ratio T can be obtained steplessly.
- FIG. 6 is a shift diagram (shift map) which is a relationship stored in advance in the storage means 56 which is the basis of the shift judgment of the automatic transmission unit 20. It is an example of the shift diagram comprised by the two-dimensional coordinate which makes a parameter the required output torque ⁇ ⁇ ⁇ which is a driving force related value.
- the solid line in Fig. 6 is the upshift ridge line, and the alternate long and short dash line is the downshift line.
- broken lines in FIG. 6 indicate the determination vehicle speed V1 and the determination output torque T1 for determining the step control region and the stepless control region by the switching control means 50. That is, the broken line in FIG. 6 indicates a preset high-speed travel for determining high-speed travel of the high-powered vehicle '.
- a high-speed-running determining line the output torque of the drive-force-related value, for example, the automatic transmission portion 2 0 associated with driving force of Haiburitsu de vehicle T o upsilon tau becomes high output indicative of the upper determination vehicle speeds V 1 to a line determination value
- the figure shows a high power travel judgment line which is a series of judgment output torque ⁇ 1 which is a preset high power travel judgment value for judging high power travel.
- FIG. 6 includes the determination vehicle speed V 1 and the determination output torque ⁇ 1 and the step control area and the stepless control area by the switching control means 50 with the vehicle speed V and the output torque T 0 UT as parameters.
- a switching map switching map
- the shift map may be stored in advance in the storage unit 56 as a shift map, including this switching diagram.
- this switching diagram may include at least one of the determination vehicle speed V 1 and the determination output torque T 1, and it is possible to predetermine either of the vehicle speed V and the output torque ⁇ ⁇ ⁇ ⁇ as a parameter. It may be a stored switching line.
- the above shift diagram, switching diagram, or driving power source switching diagram is not a map but is a determination formula that compares the actual vehicle speed V with the determination vehicle speed V 1.
- Output torque ⁇ It may be stored as a judgment formula or the like for comparing ⁇ with the judgment output torque ⁇ 1 .
- the switching control means 50 sets the speed change mechanism 10 in the step-variable shifting state when the vehicle state, for example, the actual vehicle speed exceeds the determination vehicle speed V1. Further, the switching control means 50 sets the transmission structure 10 in the step-variable shifting state when the vehicle condition, for example, the output torque T 0 UT of the automatic transmission unit 20 exceeds the determination output torque ⁇ 1.
- the switching control means 5 0 can be used to ensure vehicle travel even in the stepless control region.
- the gear shift state may be prioritized in the speed change mechanism 10.
- the drive-force-related value is a parameter corresponding to the drive force of the vehicle, not only the drive torque or drive force of drive wheels 3 8, for example, the automatic transmission portion 2 0 of the output torque T o Upushirontau, engine torque T E, and the vehicle acceleration G, for example, the accelerator opening Acc or throttle valve opening 0 TH (or intake air quantity, air-fuel ratio, fuel injection amount) is calculated based the on the engine rotational speed N E Calculated based on actual values such as engine torque T E , accelerator opening Acc, or throttle valve opening 0 TH etc. (target) engine torque T E , request of automatic transmission unit 20 (target) output torque It may be an estimated value such as T ⁇ ⁇ ⁇ required driving force.
- the above drive torque is output torque ⁇ . It may be calculated taking into consideration the differential ratio, the radius of the drive wheel 38, etc. from ⁇ ⁇ etc., for example, it may be detected directly by a torque sensor etc. The other torques mentioned above are the same.
- the determination vehicle speed V 1 is set, for example, at high speed traveling so as to suppress deterioration of fuel efficiency if the transmission mechanism 10 is brought into the continuously variable shift state at high speed traveling, for example. It is set to be in the geared shift state.
- I Motor M1 is set in accordance with the characteristics of the first motor M1 that can be disposed by reducing the maximum output of the electric system.
- FIG. 8 is a conceptual diagram for making the broken line in FIG. In other words, the broken line in Fig.
- step change speed travel is executed at high drive torque that achieves a relatively high torque of engine 8 or at a relatively high speed of the vehicle speed.
- the driving is performed at a low driving torque at which the engine 8 has a relatively low torque, or at a relatively low vehicle speed, that is, in the normal output range of the engine 8.
- the engine torque ⁇ is a preset predetermined value ⁇ one high torque region or more
- the engine rotational speed ⁇ ⁇ is a preset predetermined value ⁇ ⁇ one or more high rotation region or the high output region Enjin output is higher than the predetermined calculated from these engine torque T E and the engine rotation speed New E is because it is set as a step-variable control area, the step-variable shifting running the engine, It is executed at a relatively high torque, relatively high rotational speed, or relatively high output power, and continuously variable transmission is performed at a relatively low torque, relatively low rotational speed, or relatively low power of engine 8. It is designed to be executed at the time, that is, at the regular output area of engine 8.
- the boundary line between the step control area and the stepless control area in FIG. 8 corresponds to a high vehicle speed judgment line which is a series of high vehicle speed judgment values and a high power traveling judgment line which is a series of high power traveling judgment values.
- the transmission mechanism 10 is brought into the continuously variable shift state to secure the fuel efficiency of the vehicle, but the actual vehicle speed V is Note:
- the transmission mechanism 10 is in a step-shift state in which it operates as a stepped transmission, and the output of the engine 8 is transmitted to the drive wheels 38 by a mechanical power transmission path exclusively.
- the conversion loss between the power and the electric energy generated when operating as an electric continuously variable transmission is suppressed, and the fuel consumption is improved.
- the transmission mechanism 10 When the driving force related value such as ⁇ ⁇ exceeds the judgment torque ⁇ 1, the transmission mechanism 10 is in a step-shift state in which it operates as a stepped transmission, and is engaged only in the mechanical power transmission path.
- the area where the output of 8 is transmitted to the drive wheels 38 to operate as an electric continuously variable transmission is the low to medium speed traveling and the low to medium power traveling of the vehicle.
- the electric energy to be generated by the first electric motor M1 can be reduced, in other words, the maximum value of the electric energy transmitted by the first electric motor M1 can be reduced, and the driving device of the first electric motor M1 or a vehicle including it One more / J, is typed.
- the predetermined value TE 1 is set in advance as a switching determination value of the engine torque T E that the first electric motor M 1 can handle the reaction torque
- the engine torque T E exceeds the predetermined value TE 1
- the differential part 11 is brought into the step-shifting state, so that the first electric motor M 1 has the engine torque T as when the differential part 11 is put in the stepless shifting state. Since it is not necessary to take charge of the reaction torque against E , the deterioration of the durability of the first motor M 1 is suppressed while the deterioration of the first motor M 1 is prevented.
- the first motor M 1 of this embodiment has its maximum output reduced relative to the required reaction torque capacity with respect to the maximum value of the engine torque T E. Wachisono maximum output that does not correspond to the reaction force torque capacity against the engine torque T E that exceeds the predetermined value TE 1, downsizing is realized.
- the maximum output of the first electric motor M1 is a rated value of the first electric motor M1 which is experimentally determined and set so as to be acceptable to the use environment of the first electric motor M1.
- switching threshold value of the engine torque T E, the first electric motor M 1 is a maximum value or a predetermined value lower have value than that of Enjintoruku T E that can withstand the reaction torque, the first electric motor M It is a value experimentally obtained in advance so that the decrease in durability of 1 is suppressed.
- the continuous variable shift state can be switched to the stepped shift state (constant shift state).
- the user can enjoy the change of the engine rotational speed N E with the upshift in the stepped automatic transmission as shown in FIG. 9, that is, the change of the rhythmic engine rotational speed N E with the shift.
- FIG. 10 is a view showing an example of a switching device 90 for switching a plurality of types of shift positions by artificial operation.
- This switching device 90 is disposed, for example, next to the driver's seat, and is operated to select a plurality of types of shift positions.
- the shift lever 92 is in the transmission mechanism 10 so that neither the engagement device of the first clutch C 1 nor the engagement device of the second clutch C 2 is engaged.
- Parking position “P (parking)” to reverse the power transmission path in the speed change unit 20 and to shut off the power transmission path in the neutral state and lock the output shaft 22 of the automatic speed change unit 20
- reverse travel position “R (Reverse)” neutral position “N (Neutral)” to be in neutral state where power transmission path in transmission mechanism 10 is blocked “N (Neutral)”
- the manual valve in the hydraulic control circuit 42 mechanically linked to the shift lever 92 is interlocked with the manual operation of the shift lever 92 to each shift position to switch the manual valve shown in FIG.
- the hydraulic control circuit 42 is mechanically switched such that the reverse gear "R", the neutral “N”, the forward gear “D”, etc. shown in the joint operation table are established.
- the 1st to 5th gears shown in the engagement operation table in Fig. 2 at the "D" or "M" position can be established by electrically switching the solenoid valve in the hydraulic control circuit 42. .
- the “P” position and the “N” position are non-traveling positions selected when the vehicle is not driven, for example, the engagement operation of FIG.
- the first clutch that makes it impossible to drive the vehicle in which the power transmission path in the automatic transmission unit 20 is interrupted such that both the first clutch C1 and the second clutch C2 are released.
- This is a non-driving position for selecting switching to the power transmission cutoff state of the power transmission path by the C 1 and the second clutch C 2.
- the “R” position, the “D” position and the “M” position are travel positions selected when the vehicle is driven, and for example, as shown in the engagement operation table of FIG.
- First clutch C 1 and / or second clutch C that enables driving of a vehicle connected with a power transmission path in automatic transmission unit 20 in which at least one of first and second clutch C 2 is engaged. Drive positive for selecting the power transmission possible state of the power transmission path by 2 It is also a
- the shift lever 92 when the shift lever 92 is manually operated from the “P” position or the “N” position to the “R” position, the second clutch C 2 is engaged and the automatic transmission portion 20 is inside.
- the shift lever 92 When the power transmission path is switched from the power transmission cutoff state to the power transmission enabled state, the shift lever 92 is manually operated from the “N” position to the “D” position, whereby at least the first clutch C 1 is engaged.
- the power transmission path in the automatic transmission unit 20 is switched from the power transmission cutoff state to the power transmission enabled state.
- the “D” position is also the fastest running position
- the “4” range or “Shi” range at the “M” position is also the engine brake range where the engine braking effect can be obtained.
- the "M” position is provided adjacent to the vehicle width direction at the same position as the “D” position in the longitudinal direction of the vehicle, and the shift lever 92 is operated to the “M” position.
- any one of the “D” range to the “L” range is changed according to the operation of the shift lever 92.
- an upshift position “ten” and a downshift position “one” are provided in the longitudinal direction of the vehicle, and the shift lever 92 is at its upshift position.
- either “D” range or “L” range is selected.
- the five shift ranges selected from the “M” position to the “D” range to the “L” range are the high-speed side in the change range of the total transmission ratio T where automatic shift control of the shift mechanism 10 is possible.
- Gear range of gears so that the maximum speed gear position at which the automatic transmission unit 20 can shift can be different.
- the shift lever 92 is automatically returned to the upshift position "ten” and the downshift position "one" force, "M” position by biasing means such as a spring.
- the switching device 90 is provided with a shift position sensor (not shown) for detecting each shift position of the shift lever 92, and a signal representing the shift position P SH of the shift lever 92 or M) Outputs the number of operations etc.
- the transmission mechanism 10 has the stepless transmission ratio width of the power distribution mechanism 16 and the first gear of the automatic transmission unit 20.
- the automatic transmission control is performed within the change range of the total transmission ratio T that can be changed by the transmission mechanism 10 obtained by each gear position that is automatically controlled in the range of fourth gear position.
- the “D” position is also a shift position for selecting an automatic shift travel mode (automatic mode), which is a control mode in which automatic shift control of the transmission mechanism 10 is performed.
- transmission mechanism 10 is switched to a continuously variable transmission state.
- transmission mechanism 10 is a power transmission mechanism 16.
- the speed ratio of stepless transmission ratio of the power transmission mechanism 16 and the automatic transmission unit 20 according to each speed change range
- the automatic transmission control is performed in the range of the transmission gear ratio T, which can be changed in each transmission gear range of the transmission mechanism 10 obtained by the automatic transmission control and each gear position that is automatic transmission control in the possible transmission gear range.
- the “M” position is also a shift position for selecting a manual shift traveling mode (manual mode), which is a control mode in which manual shift control of the shift mechanism 10 is performed.
- the transmission mechanism 1 0 (differential portion 1 1, power distribution mechanism 1 6) of this embodiment is in the stepless shift state (differential state) and the non-stepless shift state, for example, the step-changed state (lock state)
- the shift control means 50 determines the shift state to be switched of the differential part 11 based on the vehicle state, and the differential part 11 is in a stepless shift state and a step change speed. It is selectively switched to either of the states.
- the hybrid control means 52 controls the electric CVT function (differential action) of the differential part 11 before and after the shift of the automatic transmission part 20.
- the differential unit 11 when shifting the automatic transmission unit 20, it is a matter of course that the differential unit 11 is in the stepless changing state, but the differential unit 11 is in the geared state
- the shift method of the shift mechanism 10 is changed based on whether or not the differential unit 11 is in the stepless shift state so that occurrence of shift shock is suppressed even in a certain case.
- the control operation is specifically described below.
- the differential state determination unit 80 automatically shifts the gear based on the vehicle state from the shift diagram shown in FIG. If it is determined that the gear position to which the unit 20 should shift is determined, the power distribution mechanism 16 is in the differential state in order to change the shifting method of the transmission mechanism 10 based on the shift state of the differential portion 11. That is, it is determined whether or not the differential unit 11 is in the continuously variable transmission state. For example, whether the differential state determination means 80 is in the step control area where the transmission mechanism 10 is switched to the step-variable state by the switching control means 50 or the transmission mechanism 10 is in the stepless shift state continuously variable transmission mechanism 1 0 on the basis of the vehicle condition represented by the switching diagram shown in FIG.
- the shift control means 82 is, for example, in the differential state based on whether or not the differential part 11 is in a stepless shift state when shifting the automatic transmission part I 0 by the stepped shift control means 54. Based on the judgment result on whether the differential part 1 1 by the judgment means 8 0 is in the stepless shift state or not Then, change the gear change method of speed change mechanism 10.
- the gear change control means 82 is configured such that the differential state determination means 80 sets the differential portion 11 in a stepless speed change state when the automatic transmission portion 10 is shifted by the stepped shift control means 54. If it is determined that the engine rotational speed NE is substantially constant during the inertia phase during the shifting process of the automatic transmission unit 20, the differential operation of the differential unit 11, ie, the electric stepless shifting operation, makes the engine rotation speed NE substantially constant.
- the hybrid control means 52 outputs a command to execute the gear shift of the differential part 11 so as to be maintained at.
- the speed change control means 82 can change the speed ratio of the automatic transmission portion 20 during the inertia phase in the speed change process of the automatic transmission portion 20 so that the engine rotation speed N E is maintained substantially constant.
- a command to change the gear ratio 0 of the differential section 1 1 in the direction opposite to the change direction is output to the hybrid control means 52.
- the internal gear phase start determination means 8 4 determines whether or not the internal gear phase has started in the gear change process of the automatic transmission unit 10 according to the gear change determination of the automatic transmission unit 20 by the geared transmission control means 54. After the release side engagement device is released, the rotation speed of the transmission member 18 (the second motor M 2) starts to change because the engagement side engagement device starts to have the engagement torque capacity. It is judged whether or not it is
- the gear shift control means 54 controls the shift of the automatic transmission unit 20 according to the engagement side engagement.
- the engagement-side engagement device starts to have the engagement torque capacity based on whether or not the engagement transient hydraulic pressure (command) value P c which has been determined experimentally as a (command) value and has been determined in advance. Determines whether the second motor rotational speed N M 2 has started to change Do.
- the shift control means 82 determines that the differential part 11 is not in the stepless shift state by the differential state determination means 80 when the automatic transmission part 20 is changed by the stepped shift control means 54.
- the differential unit 11 is in the non-stepless shift state, the first motor A command for actively changing the engine rotational speed N E with the shift of the automatic transmission unit 20 using M 1 and / or the second motor M 2 is output to the hybrid control means 52.
- differential unit 1 1 acts differential action
- the engine rotation speed change rate ⁇ ⁇ can be made closer to the target engine rotational speed change rate N E t ,.
- the target engine rotational speed change rate N E t ' is a quick shift response in which the engine rotational speed change rate N E ' increases so that the feeling is good, and the shift shock is easily suppressed
- the gradual shift response in which the engine rotational speed change rate N E ′ is reduced, as described above, is determined and stored in advance experimentally as an compatible engine rotational speed change rate ⁇ ⁇ ⁇ ⁇ .
- the shift control means 82 determines that the differential part 11 is not in the stepless shift state according to the differential state determination means 80 when the automatic transmission part 20 is changed by the step change control means 54.
- the shift control unit 82 is determined by the differential state determination unit 80 that the differential unit 11 is not in the stepless shift condition.
- a command to increase the engagement pressure of the hydraulic friction engagement device on the engagement side involved in the shift of the automatic transmission unit 20 is Output to step change control means 54.
- the engagement pressure of the hydraulic friction engagement device on the engagement side involved in the shift of the automatic transmission unit 20 is obtained.
- An oil pressure command that increases the predetermined oil pressure compared to that in the state is output to the oil pressure control circuit 42.
- the engine speed N E Change in inertia causes increase in inertia during gear shifting, that is, the automatic transmission unit 20 looks from the automatic transmission unit 20 to the engine 8 side when the rotational speed of the transmission member 18 changes with the shift of the automatic transmission unit 20
- the engagement torque capacity of the hydraulic friction engagement device on the engagement side during shifting of the automatic transmission unit 20 even in the non-step shifting state of the differential unit 11 where the inertia mass during shifting increases. Is properly obtained.
- the predetermined hydraulic pressure is determined as follows: The engagement torque capacity of the hydraulic friction engagement device on the engagement side during shifting of the automatic transmission unit 20 when the differential unit 11 is in the stepless shifting state is appropriately obtained. In addition, it is experimentally determined and set in advance as a value that can obtain an engagement hydraulic pressure higher than the engagement hydraulic pressure when the differential unit 11 is in the continuously variable transmission state.
- the torque down control means 86 reduces the torque transmitted to the drive wheel 38.
- the torque reduction control means 86 throttles the opening degree of the electronic throttle valve 94, reduces the fuel supply amount by the fuel injection device 96, delays the ignition timing of the engine 8 by the ignition device 98,
- the torque transmitted to the drive wheels 3 8 by engine torque down control that reduces the engine torque T E by, for example, the input torque T IN of the automatic transmission unit 20 or the output torque of the automatic transmission unit 20 Reduce ⁇ .
- the torque reduction control means 86 controls the second motor M2 by means of the inverter 58 so as to generate the regenerative braking torque for temporarily charging the reverse drive torque and the storage device 60.
- the torque transmitted to the drive wheel 38 is reduced by executing control in addition to or separately from the engine torque control described above.
- the switching control means 50 switches the differential unit 1 1 (speed change mechanism 10) to the step-change speed state and the entire speed change mechanism 10 can be functioned as a step-variable automatic transmission, for example
- the upshift of the automatic transmission unit 20 is executed by the geared shift control means 54, the input rotational speed of the automatic transmission unit 20, that is, the rotational speed of the transmission member 18 along with the upshift in the transmission process.
- inertia phase where the engine speed N E changes, the energy temporarily released from the engine 8 with the decrease of the engine speed N E is increased by the torque of the torque transmitted to the drive wheels 38, eg, the input torque T IN
- a shift shock may occur due to so-called inertia torque which occurs as an increase in torque or as an increase in torque of output torque ⁇ ⁇ ⁇ .
- the second rotation element RE 2 of the differential unit 11 is performed in the inertia phase in the shift process.
- a shift shock may occur due to the inertia torque generated as an increase in torque transmitted to the drive wheels 38 as the rotational speed decreases.
- automatic transmission is performed by the stepped transmission control means 54.
- the gear change of unit 20 is executed, and the hybrid control means 52 prevents or prevents the change of the gear ratio 7 of the transmission mechanism 10 before and after the gear change of the automatic transmission unit 10 by the hybrid control means 52.
- the shift of the differential portion 1 1 so as to continuously runs, or do not the rotational speed of the engine rotational speed New E changed in the shifting process the rotational speed variation is suppressed.
- the shift of the automatic transmission unit 20 is executed, In the inertia phase, the rotational speed of the second rotating element RE 2 or the third rotating element RE 3 of the differential unit 11 is decreased and / or the fourth rotating element RE 4 to the eighth rotating element of the automatic transmission unit 20 A shift shock may occur due to the inertia torque which is generated as a torque increase of the torque transmitted to the drive wheel 38 along with the decrease of the rotational speed of at least one of the rotary elements of RE 8.
- the torque reduction control unit 86 is a torque transmitted to the drive wheels 38 when the automatic transmission unit 20 is shifted by the stepped shift control unit 54.
- the torque reduction control means 86 is, for example, an input torque T IN or an output torque ⁇ , which corresponds to the torque equivalent to the inner torque.
- the torque transmitted to the drive wheel 38 is reduced by executing the engine torque down control and the motor torque down control independently or in combination in order to suppress the shift shock due to the inertia torque by offsetting to some extent at ⁇ . .
- the reduction of the torque transmitted to the drive wheel 38 by the torque down control means 8 6 is the same as the synchronous transmission control start timing of the differential part 11 by the hybrid control means 5 described above. It may be performed during the inertia phase in the speed change process of
- the torque reduction control means 86 may be provided with the friction engagement device of the automatic transmission portion 20 when the automatic transmission portion 20 is shifted by the stepped transmission control means 54.
- the torque transmitted to the drive wheel 38 is reduced so as to offset the torque vibration accompanying the completion of engagement to some extent to suppress the engagement shock.
- the rotational speed variation of the inertia torque and the engine rotational speed New E by the rotation speed variation of the rotational elements of the automatic speed change unit 2 in 0 generated due to the shifting And / or torque vibration associated with the completion of engagement of the friction engagement device of the automatic transmission unit 20 so as to offset torque equivalent to inner torque due to change in rotational speed of the rotary element in the differential unit 11 including
- the torque reduction control means 86 reduces the input torque ⁇ ⁇ ⁇ so that the shift shock is suppressed so that the engagement shock is suppressed to a certain extent.
- shifting of the automatic transmission unit 20 by the stepped shift control means 54 In this case, when the differential unit 11 is in the continuously variable transmission state, the shift of the differential unit 11 is executed by the hybrid control means 52 so that the engine rotational speed N E is maintained substantially constant. Fuel consumption is improved. At this time, even if the target value of the toll gear ratio T can be largely changed before and after the shift of the automatic transmission unit 20, the total gear ratio T changes continuously. After shifting of the differential part 11 is performed so that the engine rotational speed N E is maintained substantially constant before and after the shift of the automatic transmission part 20, continuous toward the target total gear ratio T Further, the shift of the differential unit 11 is executed so as to change to. In such a case, the total gear ratio T was changed stepwise (discontinuously) to improve the gear shift response rather than changing the total gear ratio T continuously. There is also a way of thinking that the user feels better.
- the hybrid control unit 52 changes the shift of the automatic transmission unit 0 so that the shift response can be improved.
- the total transmission ratio may not be changed continuously before and after, that is, it may be skipped so that the transmission ratio changes stepwise.
- the change range of the total transmission ratio before and after the shift of the automatic transmission unit 20 becomes large. In such a case, the so-called jump shift in which the total shift ratio T jumps stepwise is considered to be comfortable for the user, so the shift ratio of the automatic transmission unit 20 changing in stages is You may use it to fly the total gear ratio ⁇ T.
- the shift control means 82 has a differential state determination means 80 based on the differential state determination means 80 when the automatic transmission unit 20 is shifted by the stepped shift control means 54.
- the total transmission ratio T is changed discontinuously toward the target value.
- a command to execute the shift of the differential unit 11 is output to the hybrid control means 52 independently or independently of the shift of the automatic transmission unit 20.
- the total gear ratio T is set to the target value so that the gear ratio change of the differential unit 11 is added (or reduced) to the change while utilizing the stepwise gear ratio change of the automatic transmission unit 20.
- the total transmission ratio T is changed stepwise and the shift response is improved.
- the accelerator pedal is greatly depressed or returned as indicated by a solid line C in FIG.
- the variation width of the total transmission ratio T is set to a predetermined amount or more, a so-called jump shift in which the variation of the total transmission ratio T is discontinuous change, that is, the total transmission ratio T jumps stepwise.
- the above-mentioned predetermined amount is a value experimentally determined and determined in advance such that it is better for the user if the change of the target total transmission ratio T is not continuous but stepwise (that is, discontinuous). It is.
- FIG. 11 is a flow chart for explaining the main part of the control operation of the electronic control unit 40, that is, the shift control operation of the transmission mechanism 10 during shifting of the automatic transmission unit 20. For example, several milliseconds to several tens of milliseconds It is repeatedly executed with an extremely short cycle time.
- Fig. 12 is a time-chart to explain the control operation shown in the flowchart in Fig. 11.
- the 2nd to 3rd gearshift of the automatic transmission 20 is executed. Shows the control operation in the case where ⁇
- FIG. 13 is a time chart explaining the control operation shown in the flowchart of FIG. 11.
- the third gear ⁇ second gear of the automatic transmission unit 20 Control operation is shown when is performed.
- Fig. 14 shows the control operation when the 3rd speed-2nd speed power on downshift of the automatic transmission unit 20 is executed so as to be a jump shift in the stepless transmission state of the differential unit 11. It shows.
- FIG. 15 is a time chart explaining the control operation shown in the flowchart of FIG. 11.
- the two-speed automatic transmission part 20 is shown.
- FIG. 16 is a time chart for explaining the control operation shown in the flowchart of FIG. 11.
- the third gear of the automatic transmission 20 ⁇ 2 in the locked state (stepped gear shift state) of the differential part 11 This figure shows the control operation when a quick cost down shift is performed.
- time t in FIG. 12 and the time t in FIG. 15 indicate that the second gear to third gear shift of the automatic transmission unit 20 has been determined. Further, t in FIG. 13, time t in FIG. 14, and time t in FIG. 16 indicate that the third gear-second gear downshift of the automatic transmission unit 20 is determined. .
- the power distribution mechanism 16 is in the differential state, ie, the differential part (stepless transmission part) 1 1 is continuously variable.
- the differential part (stepless transmission part) 1 1 is continuously variable. For example, from the switching diagram shown in FIG. 6, whether the gear change state is made or not depends on whether or not the force within the stepless control region in which the speed change mechanism 10 is in the stepless shift state based on the vehicle state. It is determined whether or not the unit 11 is in the continuously variable transmission state.
- the above S7 corresponds to the shift control means 82, and for example, the engine rotation speed N associated with the shift of the automatic transmission unit 20 using the first motor M1 and / or the second motor M2.
- the target engine rotation speed variation rate N Et' change rate New E of E as Keru closer to the command to positively change the engine rotational speed N E is output to the Haipuri' de control unit 5 2.
- the first motor M 1 and / or the second motor M is used to force the engine rotational speed N E so as to suppress the blowup of the engine rotational speed N E accompanying the shift of the automatic transmission unit 20.
- the command to be changed is output to the hybrid control means 52.
- the shift command to the third speed of automatic transmission section 20 is output while differential part 11 is in the locked state, and release of second brake B2 which becomes the release side engagement device It indicates that the decrease in hydraulic pressure P B2 has started. Then t, is increased first engaging pressure P BI of the brake B 1 that the engagement side engagement device at the time to 1 3 point, the first brake B 1 is being completed engagement at t 3 time points A series of shift operation ends.
- the differential unit 11 since the differential unit 11 is in a locked state, the entire transmission mechanism 10 can function as a stepped transmission.
- the input rotational speed N IN rotational speed of the transmission member 18
- the engine rotational speed NE is Be lowered.
- the differential unit 1 1 as in this embodiment is in a locked state, substantially in synchronization with the start of the inertia phase from t 2 time, using the first electric motor M l and / or the second electric motor M 2 'the target engine rotation speed variation rate N Et' engine rotation speed variation rate New E accompanying the shift to approach the automatic shifting portion 20, Ru actively changing the engine rotational speed N E.
- the change of the engine rotational speed N E ⁇ As the inertia during shifting increases accordingly, the engagement hydraulic pressure PB is raised including the inertia absorption.
- the gear shift command to the second gear of the automatic transmission unit 20 is output while the differential part 11 is in the locked state, and the release of the first brake B1 which becomes the release side engagement device It indicates that the drop in hydraulic pressure P B1 has started. Then t, second engaging pressure P B2 of the brake B 2 is raised to the engagement side engagement device at time to t 4 time, the second brake B 2 is completed engagement at 1 4 time A series of shift operation ends.
- the entire transmission mechanism 10 can function as a stepped transmission.
- the differential unit 1 1 as in this embodiment when the locked state, substantially in synchronization with the start of t 2 time or al inertia phase, using the first electric motor M l and / or the second electric motor M 2 'the target engine rotation speed variation rate N Et' engine rotation speed variation rate New E accompanying the shift to approach the automatic shifting portion 20 may be actively changing the engine rotational speed N E.
- the first electric motor M l and / or the second electric motor M 2 'the target engine rotation speed variation rate N Et' engine rotation speed variation rate New E accompanying the shift to approach the automatic shifting portion 20 may be actively changing the engine rotational speed N E.
- the engagement hydraulic pressure P B2 may be lowered compared to when it is not performed.
- the shift command to the shift position of the automatic transmission unit 20 determined in S1 is sent to the hydraulic control circuit 42 in S3 corresponding to the stepped shift control means 54. It is output.
- the inertia-shear phase start judging means 84 it is judged whether or not the inertia-shear phase has started in the shifting process of the automatic shifting portion 20. For example, whether the actual second motor rotational speed N M 2 has changed by a predetermined amount determined experimentally to determine the start of the inertia phase, the engagement side engagement device is engaged.
- the engagement side engagement device starts to have the engagement torque capacity based on whether or not the engagement transient hydraulic pressure (command) value P c reached experimentally determined and determined in advance as a value. 2) It is determined whether the motor rotational speed N M 2 starts to change and the inertia phase starts.
- S 4 If the determination at S 4 is negative, this S 4 loop is executed repeatedly. If the determination is affirmative, S 5 corresponding to the shift control means 8 2 is for differential operation of the differential portion 1 1, that is, electricity In order to maintain the engine rotation speed N E substantially constant by the dynamic stepless speed change operation, the gear ratio of the differential portion 1 1 is made in the direction opposite to the change direction of the gear ratio of the automatic transmission portion 20 The command to execute the shift of differential part 1 1 by changing 0 is said hybrid ' It is output to the control means 52. In S3 to S5, the total transmission ratio T of the transmission mechanism 10 is continuously changed before and after the shift of the automatic transmission unit 20. In addition, the start of the inertia phase may be determined in S5, and in this case, the S4 is not necessary.
- the total transmission ratio T of the transmission mechanism 10 is continuously changed before and after the shift of the automatic transmission unit 20.
- the change width of the target total transmission ratio T is made to be equal to or larger than the predetermined amount when the accelerator pedal is greatly depressed or returned, the change of the total transmission ratio T is discontinuous.
- the shift of the differential unit 11 may be performed such that a so-called jump shift in which the total transmission ratio T jumps stepwise is performed.
- the shift command to the 2nd speed of the automatic transmission unit 20 is output at time t in Fig. 14 and the decrease of the release hydraulic pressure P B 1 of the first brake B 1 that becomes the release side engagement device is started It is shown that. Then t, engaging hydraulic pressure P B 2 of the second brake B 2 of the engagement side engagement device at time to t 4 time is increased, the second brake B 2 is Kakarigokan completion at 4 time Then, the shifting of the automatic transmission unit 20 is completed. Further, in this embodiment, unlike the embodiments of FIG. 12 and FIG.
- this embodiment is a jump shift so that the total gear ratio T is not changed continuously, so that the target gear ratio is not synchronized with the gear shift of the automatic transmission unit 20.
- the shift of the differential unit 11 is executed toward T, that is, the engine rotational speed N E after the shift, and the shift response is improved.
- torque transmitted to the drive wheel 38 in S6 corresponding to the torque down control means 86 is input, for example, an input of the automatic transmission unit 20
- the torque down control is implemented such that the torque T IN or the output of the automatic transmission unit 20 ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ is reduced.
- the automatic transmission portion 2 torque increment for example, the output torque T 0 of the torque transmitted to the drive wheels 3 8 with a decrease in the rotational speed of reduction and differential unit 1 1 of the rotating element of the rotational speeds of the rotating elements of 0 Ina-Shuttlek occurs as the UT torque increases.
- an inertia torque is generated as an increase in torque transmitted to the drive wheels 38 as the engine rotational speed N E decreases during the engine failure.
- engagement shock may occur due to torque vibration accompanying completion of engagement of the friction engagement device at the time of shifting of the automatic transmission unit 20.
- the torque corresponding to the inertia torque is offset to some extent at, for example, the input torque T IN of the automatic shift 20 or the output torque ⁇ ⁇ ⁇ (ie, absorbed to some extent Torque reduction control is executed, for example, to reduce the engine torque ⁇ , so that the torque shock caused by the completion of the engagement of the friction engagement device is offset to some extent and the engagement shock is suppressed.
- the engine torque down control and the motor torque down control using the second motor 2 are executed singly or in combination to reduce the torque transmitted to the drive wheel 38.
- torque down control is executed- You don't have to, and you don't need this S6.
- FIG. 13 shows that torque down control is not executed because it is an example of cost down shift. However, at the time of downshift in which torque is transmitted to the drive wheel 38 side, torque down control may be executed to offset the inertia torque as in the embodiment of FIG.
- the driving wheel is associated with the change of the engine rotation speed N E , the change of the rotation speed of the rotating element of the automatic transmission unit 20, and It shows that torque reduction control is executed so that the torque equivalent to the inertia torque as the torque increase of the torque transmitted to 38 is offset to some extent.
- FIG. 16 shows that the torque down control is not executed because it is an example of the course-down shift. However, at the time of downshift where torque is transmitted to the drive wheel 38 side, as in the embodiment of FIG. 15, torque dunn control for offsetting the inertia torque may be executed.
- the control operation by the various control means of the control device 40 is executed in S8 if the shift in the automatic transmission unit 20 is not executed.
- the routine is terminated.
- the high wheel lid control means 52 performs differential operation based on the vehicle state. Shifting of part 1 1 is performed.
- the shift control means 82 controls the speed change mechanism 1 based on whether or not the differential unit 11 is in the stepless shift state. Since the speed change method of 0 is changed, the engine rotation speed N E is changed (by electrical stepless shift operation) by the differential action regardless of the rotation speed of the transmission member 18 constrained to the vehicle speed V.
- the gear shift control means 82 performs the differential unit 1 1 during the inertia phase associated with the shift of the automatic transmission unit 20.
- the change in the engine rotational speed NE by a differential operation is suppressed, for example, as a change in Enjin rotation speed N E is kept constant, so to perform the shifting of the differential portion 1 1, the automatic transmission even if the process of shifting part 2 0 and the gear ratio ⁇ of the automatic shifting portion 2 0 was varied, the shift shock in synchronization with the shifting action of the automatic transmission portion 2 0 is suppressed change in the engine speed N E Be suppressed.
- the transmission mechanism 10 can be functioned as a continuously variable transmission, fuel consumption can be improved.
- the shift control means 82 is different from the direction of change of the transmission ratio of the automatic transmission unit 20 in the opposite direction so that the engine rotational speed N E is maintained substantially constant. Since the change gear ratio 0 of the moving part 11 is changed, the change of the total change gear ratio T formed based on the change gear ratio 0 of the differential part 11 and the change gear ratio of the automatic transmission part 20 is suppressed The change in engine rotational speed NE is suppressed.
- the shift control means 82 uses the first electric motor M1 and / or the second electric motor M2 to use the automatic transmission section 2 0 so positively changes the engine rotational speed N E with the gear, Mimms differential portion 1 1 of the continuously variable engine compared to the shifting state rotational speed N E hardly can be varied differential unit 1 1 even variable shifting state, as compared with the case where Enji down speed N E changes with consequences with the shifting of the automatic shifting portion 2 0, more target engine rotation speed variation rate N It can be brought close to E t '.
- the shift control means 82 uses the first electric motor M1 and / or the second electric motor M2 to use the automatic transmission section 2 since suppress racing of the engine speed N E due to the shift of 0, Him differential portion 1 1 of the continuously variable engine compared to the shifting state rotational speed N E hardly can be varied differential unit 1 1 stage even shifting state, as compared with the case where E down Jin speed N E changes with consequences with the shifting of the automatic shifting portion 2 0, shift shock due to the Ri is top blowing of engine speed N E Occurrence can be suppressed.
- the shift control means 82 when the automatic transmission unit 20 is shifted, when the differential unit 11 is in the non-step-shifting state, the shift control means 82 is in the stepless shift state Since the engagement pressure of the engagement side engagement device is increased as compared with the case of, the change of the engine rotational speed N E accompanying the shift of the automatic transmission portion 20 can be suppressed. Compared with the shift condition, the inertia during shifting is increased due to the change of the engine rotational speed N E Even during the non-stepless shifting condition of the differential part 11, the engagement during the shift is The torque capacity of the side engagement device is properly obtained.
- the torque down control means 86 is a torque generated by the rotational speed of the rotating element in the automatic transmission unit 20 which is generated along with the change in speed of the automatic transmission unit 20 or the engine rotational speed.
- the driving wheels during shifting of the automatic transmission unit 20 Since the torque transmitted to the shaft is reduced, the variable shock is suppressed.
- the automatic transmission unit 20 is a stepped automatic transmission, and the overall transmission ratio T of the transmission mechanism 10 changes stepwise with the shift of the automatic transmission unit 20. Since the total transmission ratio T can be changed rapidly as compared with the case where it is continuously changed. Therefore, the transmission mechanism 10 can be functioned as a continuously variable transmission to change the drive torque into a sliding force, and also change the overall transmission ratio T in a stepwise manner to quickly drive the torque. It also becomes possible to obtain.
- Fig. 17 is a skeleton diagram for explaining the construction of a transmission mechanism 70 according to another embodiment of the present invention
- Fig. 18 is a combination of the gear stages of the transmission mechanism 70 and the engagement of the hydraulic friction engagement device.
- Fig. 19 is an alignment chart showing the shift operation of the transmission mechanism 70.
- the speed change mechanism 70 has a differential part 11 including the first electric motor M1, the power distribution mechanism 16 and the second electric motor M2 as in the previous embodiment, and the differential part 11 and its output. It has an automatic transmission unit 7 2 of three forward gears connected in series with a shaft 21 via a transmission member 18.
- the power distribution mechanism 16 ' is, for example, a single pinion type l ⁇ M gear unit 24 having a predetermined gear ratio / 0 1 of about "0.4 18", a switching clutch C 0 and a switching brake B 0 have.
- the automatic transmission unit 72 includes, for example, a single pinion type second planetary gear unit 26 having a predetermined gear ratio p2 of about "0.532", and a predetermined gear of "0.418", for example.
- the second sun gear S2 of the second planetary gear unit 26 and the third sun gear S3 of the third planetary gear unit 28 are integrally connected and selected as the transmission member 18 through the first clutch C2.
- the second brake CA 2 of the second planetary gear unit 26 and the third planetary gear unit 28 of the third planetary gear unit 28 is connected to the output shaft 2, and the second ring gear R2 is selectively connected to the transmitting member 18 via the first clutch C1. Is selectively connected to the case 12 via the second brake B2.
- the switching clutch C 0, the first clutch C 1, the second clutch C 2, the switching brake By selectively engaging and operating B 0, the first brake B 1, and the second brake B 2, the first gear (first gear) to the fourth gear (fourth gear) Or reverse gear (reverse gear) or neutral selected
- the power distribution mechanism 16 is provided with the switching clutch C 0 and the switching brake ⁇ 0, and either the switching clutch C 0 or the switching brake ⁇ 0 is engaged and operated.
- the differential portion 11 is capable of forming a constant speed change state operating as a transmission having a constant gear ratio, in addition to the continuously variable transmission state operating as a continuously variable transmission described above. Therefore, in the transmission mechanism 70, a geared transmission is formed by the differential unit 11 and the automatic transmission unit 72, which are brought into a constant shift state by engaging either of the switching clutch C 0 and the switching brake ⁇ 0. As a step-up gear shift state that operates as shown in the figure, the differential gear portion 1 1 and the automatic gear shift portion 7 2 that are brought into the continuously variable gear shift state by engaging neither the switching clutch C 0 nor the switching brake ⁇ 0 are engaged. Operates as an electric continuously variable transmission.
- the transmission mechanism 70 is switched to the geared state by engaging either of the switching clutch C 0 and the switching brake ⁇ 0, and both of the switching clutch C 0 and the switching brake ⁇ 0 It can be switched to the continuously variable transmission state by not engaging and engaging.
- the gear ratio is changed by engagement of the switching clutch CO, the first clutch C 1 and the second brake B 2.
- the first gear is established with a maximum value of, for example, “2.80 4”, and gear shifting is achieved by engagement of the switching clutch C 0, the first clutch C 1 and the first brake B 1
- a second gear stage is established in which the ratio 2 is smaller than the first gear stage, for example, about “1. 5 3 1”, and the switching clutch CO, the first clutch C 1 and the second clutch C 2 are established.
- the third gear is established by setting the gear ratio 3 to a value smaller than that of the second gear, for example, “1. 0 0 0”.
- the first clutch C 1, the second clutch C 2 and the engagement of the switching brake B 0, the gear ratio 4 is a value smaller than that of the third gear position, for example, about "0.75". Fourth gear is found, it is established. Further, due to the engagement of the second clutch C2 and the second brake B2, the transmission ratio R is a value between the first gear and the second gear, for example, about "2.393". The reverse gear is established. In addition, when setting it as a neutral "N" state, the example ' For example, only the switching clutch C0 is engaged.
- the transmission mechanism 70 functions as a continuously variable transmission
- both the switching clutch C 0 and the switching brake B 0 in the engagement table shown in FIG. 18 are released.
- the differential section 11 functions as a continuously variable transmission
- the series automatic transmission section 72 functions as a stepped transmission, whereby the first speed and the second speed of the automatic transmission section 72 can be obtained.
- the rotational speed input to the automatic transmission 72 of the third gear that is, the rotational speed of the transmission member 18 is changed steplessly, and each gear step has a stepless gear ratio width Is obtained. Therefore, the gear ratio can be continuously changed continuously between the respective gear stages, and the total gear ratio r T as the entire transmission mechanism 70 can be continuously obtained.
- Figure 19 shows a speed changer consisting of a differential unit 11 functioning as a continuously variable transmission unit or a first transmission unit, and an automatic transmission unit 72 functioning as a transmission unit (stepped transmission unit) or a second transmission unit.
- the alignment chart which can represent on a straight line the relative relationship of the rotational speed of each rotation element from which a connection state differs for every gear stage is shown.
- the four vertical lines Y4, Y5, Y6 and Y7 of the automatic transmission 72 shown in FIG. 19 correspond to the fourth rotation element (fourth element) RE 4 in order from the left and correspond to each other.
- Corresponding and mutually connected second carrier CA 2 and third ring gear R 3 are respectively represented by the second ring gear R 2 corresponding to the seventh rotating element (seventh element) RE 7.
- the fourth rotating element RE 4 is selectively coupled to the transmission member 18 via the second clutch C 2 and selectively to the case 12 via the first brake B 1
- the fifth rotation element RE 5 is selectively connected to the case 12 via the second brake B 2
- the sixth rotation element RE 6 is connected to the output shaft 22 of the automatic transmission 72.
- the seventh rotation element RE 7 is selectively coupled to the transmission member 18 via the first clutch C 1.
- the first clutch C 1 and the second brake B 2 are engaged to indicate the rotational speed of the seventh rotating element RE 7 (R 2).
- a diagonal straight line L1 passing through the intersection of the vertical line Y5 and the horizontal line X1 and the output axis The rotational speed of the first speed output shaft 22 is indicated by the point of intersection of 2 and the vertical line Y 6 indicating the rotational speed of the sixth rotating element RE 6 (CA 2, R 3).
- a horizontal straight line L 3 determined by engagement of the first clutch C 1 and the second clutch C 2 and the output shaft 2
- the rotational speed of the third speed output shaft 22 is indicated by the point of intersection with the vertical line Y 6 indicating the rotational speed of the sixth rotational element RE 6 connected with 2.
- the automatic transmission unit 7 functioning as the continuously variable transmission unit or the differential unit 11 functioning as the first transmission unit, and the transmission unit (stepped transmission unit) or the second transmission unit 7
- the second embodiment has the same effect as that of the previous embodiment.
- Figure 20 shows the power distribution mechanism 16's differential state (non-locking state) and non-differential state (locking state) by manual operation.
- This is an example of a seesaw type switch 4 4 (hereinafter referred to as a switch 4 4) as a shift state manual selection device for selecting a switch, and the vehicle 'can be manually operated by the user. It is prepared for.
- the switch 44 enables the user to select the vehicle traveling in the desired gear shift state, and the stepless shift traveling command button or the switchless step switch 14 corresponding to the continuously variable shift traveling is displayed.
- each step is continuously variable-speed running, ie, the transmission mechanism 10 is an electric stepless transmission It is possible to select whether to be in the continuously variable transmission state which can be operated or in the step-variable transmission state in which the step-change transmission can be operated, that is, the transmission mechanism 10 can be operated as a step-variable transmission.
- the automatic switching control operation of the shift state of the transmission mechanism 10 based on the change of the vehicle state has been described based on, for example, the relationship diagram of FIG.
- the switching control means 50 gives priority to the speed change mechanism 10 according to the selection operation of the step 4 shift state or the step shift state of the switch 4 4. Switch to the state. For example, if it is desired that the user drive the vehicle to obtain the fuel efficiency improvement effect by filling the continuously variable transmission, the user selects the transmission mechanism 10 by manual operation so as to be in the continuously variable transmission state. Also, if it is desired for the filling improvement by the change of the rhythmic engine rotational speed accompanying the gear shift of the stepped transmission, the user selects it by manual operation so that the gear shift mechanism 10 is brought into the stepped gear shift state.
- the switch 4 4 is in the differential state of the power distribution mechanism 16 by manual operation, that is, based on the continuously variable transmission state of the transmission 10 being selected, the power distribution mechanism 16 is in the differential state That is, the differential part 1 1 is stepless It is determined whether or not the vehicle is in the fast state.
- the speed change mechanism 10, 70 of the above embodiment makes the differential state in which the differential portion 1 1 (power distribution mechanism 1 6) can operate as an electric continuously variable transmission and deactivate it.
- the non-differential state locked state
- the switching between the stepless shift state and the stepped shift state is a differential unit 1 1 Is performed by switching between the differential state and the non-differential state.
- the gear ratio of the differential portion 11 is continuously set. It can be made to function as a stepped transmission by changing it stepwise rather than.
- the differential state / non-differential state of the differential unit 11 and the continuously variable transmission state / stepped transmission state of the transmission mechanism 10 or 70 do not necessarily have a one-to-one relationship. Therefore, the differential part 1 1 does not necessarily have to be configured to be switchable between the continuously variable transmission state and the stepped transmission state.
- the transmission mechanism 1 0, 7 0 (differential part 1 1, power distribution mechanism 1 6)
- the present invention can be applied if the switch is configured to be switchable between the differential state and the non-differential state.
- the differential state determination means 80 (step S 2 in FIG. 11) is a switch diagram shown in FIG. 6, for example, whether the power distribution mechanism 16 is in the differential state or not. On the basis of the vehicle state, but it is determined whether the speed change mechanism 10 by the switching control means 50 is in the step control region or in the stepless control region. It may be determined whether the power distribution mechanism 16 is in a differential state or not based on
- the first carrier CA 1 is an engine '
- the first sun gear S 1 is connected to the first electric motor M 1 and the first ring gear R 1 is connected to the transmission member 18.
- their connection relationship is not limited to that Alternatively, the engine 8, the first electric motor M1, and the transmission member 18 may be connected to any one of the three elements CA1, S1, R1 of the first planetary gear device 24.
- the engine 8 is directly connected to the input shaft 14.
- the engine 8 may be operatively connected via, for example, a gear, a belt or the like, and is disposed on a common shaft center.
- a gear for example, a gear, a belt or the like
- the first motor M1 and the second motor M2 are disposed concentrically with the input shaft 14 and the first motor Ml is connected to the first sun gear S1 and the second motor M2 is connected. Is connected to the transmission member 18, but it does not have to be arranged as such.
- the first electric motor M1 is operatively connected to the first sun gear S1 via a gear, a belt, etc.
- the motor M 2 may be connected to the transmission member 18.
- the power distribution mechanism 16 described above was equipped with the switching clutch C 0 and the switching brake B 0, both the switching clutch C 0 and the switching brake B 0 are not necessarily equipped with ⁇ .
- the switching clutch CO selectively couples the sun gear S 1 and the carrier CA 1, the switching clutch CO is between the sun gear S 1 and the ring gear R 1 or between the carrier CA 1 and the ring gear R 1. It is possible to connect selectively. In short, any two of the three elements of the first planetary gear set 24 may be connected to each other.
- the switching clutch C 0 is engaged when the neutral state is "N", but it is not necessary to be engaged.
- the hydraulic friction engagement devices such as the switching clutch C 0 and the switching brake B 0 are magnetic powder type electromagnetic clutches such as powder (magnetic powder) clutches, electromagnetic clutches, dog clutches and the like.
- the second electric motor M 2 may be connected to the transmission member 18 in the above-mentioned embodiment, but may be connected to the output shaft 22. On the rotating members in the automatic transmission unit 20, 72 It may be linked.
- the automatic transmission unit 2 0. 7 2 is provided in the power transmission path between the drive wheel 18 and the transmission member 18 which is the output member of the differential unit 11, ie, the power distribution mechanism 16.
- a continuously variable transmission which is a type of automatic transmission, and a normally coupled parallel biaxial type well-known as a manual transmission, but with a select cylinder and a shift cylinder
- Other types of power transmission devices are provided, such as automatic transmissions whose gear can be switched automatically, and synchronized manual transmissions whose gear can be switched manually. May be In the case of the continuously variable transmission (C V T), the power distribution mechanism 16 is brought into a geared shift state as a whole by being brought into a constant shift state.
- a geared state is to transmit power exclusively through a mechanical transmission path without using an electrical path.
- a plurality of fixed gear ratios are stored in advance so as to correspond to the gear position in the stepped transmission, and the automatic transmission unit 20 using the plurality of fixed gear ratios. , 72 may be performed.
- the automatic transmission units 20 and 72 are connected in series with the differential unit 11 via the transmission member 18.
- a counter shaft is provided in parallel with the input shaft 14.
- the automatic transmission units 20 and 72 may be disposed concentrically on the countershaft.
- the differential unit 11 and the automatic transmission units 20 and 72 may be, for example, a pair of transmission members such as a pair of counter-rotating gears as the transmission member 18, a sprocket, and a chain. It is connected so that power transmission is possible.
- the power distribution mechanism 16 as a differential mechanism of the above-mentioned embodiment, for example, a pinon rotationally driven by an engine, and a pair of bevel gears that fit in the pinon are the first motor M 1 and the second motor It may be a differential gear operatively connected to the motor M2.
- the power distribution mechanism 16 of the above-described embodiment is composed of one set of planetary gear devices, it is composed of two or more planetary gear devices, and in the non-differential state (constant speed change state) It may function as a transmission with more than a gear.
- the switching device 90 of the above-described embodiment is provided with the shift lever 92 that is operated to select a plurality of shift positions
- the shift lever 92 is not Alternatively, for example, a switch capable of selecting a plurality of shift positions such as a push button type switch slide type switch, or a plurality of shift positions can be switched in response to the driver's voice regardless of manual operation. It may be a device or the like that can switch between multiple types of shift positions by operation of the device or foot.
- the shift range is set by operating shift lever 92 to the “M” position, but the shift speed is set, that is, the highest speed shift speed of each shift range is set as the shift speed. It may be done.
- the shift position is switched and the shift is performed.
- the shift lever 92 is manually operated to the upshift position "ten" or the downshift position "one" in the "M" position, the first to fourth gears are selected in the automatic transmission unit 20.
- One of the steps is set according to the operation of shift lever 92.
- the switch 4 4 in the above-mentioned embodiment is a seesaw type switch, for example, a push button type switch, two push button type switches, levers which can hold a state of selective pressing only can be used. It is only required to be a switch that can switch between at least continuously variable transmission (differential state) such as a one-piece switch and a slide type switch (differential state) and stepped variable speed travel (non-differential state). Also, when the neutral position is provided to the switch 44, it is changed to the neutral position, and a switch is provided separately from the switch 4 so that the selection state of the switch 4 4 can be enabled or disabled.
- a switch is provided separately from the switch 4 so that the selection state of the switch 4 4 can be enabled or disabled.
- At least continuously variable transmission (differential state) and stepped transmission (non-differential state) are selected in response to the driver's voice regardless of manual operation. It may be a device that can be switched in one place or a device that can be switched by the operation of a foot.
- the above description is merely an embodiment, and the present invention can be implemented in variously modified and / or improved modes based on the knowledge of those skilled in the art.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Automation & Control Theory (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)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112006000451.4T DE112006000451B4 (de) | 2005-03-29 | 2006-03-29 | Steuergerät für ein Fahrzeugantriebssystem |
US11/909,104 US8036801B2 (en) | 2005-03-29 | 2006-03-29 | Control device for vehicle drive device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-093854 | 2005-03-29 | ||
JP2005093854A JP4192911B2 (ja) | 2005-03-29 | 2005-03-29 | 車両用駆動装置の制御装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006104253A1 true WO2006104253A1 (ja) | 2006-10-05 |
Family
ID=37053500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/307176 WO2006104253A1 (ja) | 2005-03-29 | 2006-03-29 | 車両用駆動装置の制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8036801B2 (ja) |
JP (1) | JP4192911B2 (ja) |
CN (1) | CN100547266C (ja) |
DE (1) | DE112006000451B4 (ja) |
WO (1) | WO2006104253A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2182250A2 (de) * | 2008-10-31 | 2010-05-05 | Zf Friedrichshafen Ag | Antriebsstrang |
US8224535B2 (en) | 2007-02-14 | 2012-07-17 | Toyota Jidosha Kabushiki Kaisha | Control apparatus and control method for vehicular power transmitting apparatus |
DE102007055875B4 (de) * | 2006-12-25 | 2014-01-23 | Toyota Jidosha Kabushiki Kaisha | Steuervorrichtung für ein Fahrzeugantriebssystem |
WO2014080529A1 (ja) * | 2012-11-26 | 2014-05-30 | トヨタ自動車株式会社 | ハイブリッド車両用駆動装置 |
CN110001390A (zh) * | 2019-04-24 | 2019-07-12 | 山东临工工程机械有限公司 | 一种传动系统及控制方法 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4259494B2 (ja) * | 2005-03-04 | 2009-04-30 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
JP4244966B2 (ja) * | 2005-06-22 | 2009-03-25 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
DE102006003711A1 (de) * | 2006-01-26 | 2007-08-02 | Zf Friedrichshafen Ag | Verfahren zur Steuerung eines Kraftfahrzeug-Antriebsstrangs |
US7706949B2 (en) * | 2006-05-25 | 2010-04-27 | Gm Global Technology Operations, Inc. | Method and apparatus to control an electro-mechanical transmission during shifting event |
JP5305576B2 (ja) * | 2006-10-16 | 2013-10-02 | 日産自動車株式会社 | 車両の制御装置 |
JP5151160B2 (ja) | 2007-01-26 | 2013-02-27 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
JP5003220B2 (ja) * | 2007-03-15 | 2012-08-15 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
JP4998164B2 (ja) * | 2007-09-14 | 2012-08-15 | トヨタ自動車株式会社 | 車両用動力伝達装置の制御装置 |
US8165737B2 (en) * | 2007-10-24 | 2012-04-24 | GM Global Technology Operations LLC | Method and system for controlling a power inverter in electric drives of vehicles with two-mode transmissions |
JP5167851B2 (ja) | 2008-02-18 | 2013-03-21 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
JP5195932B2 (ja) * | 2009-01-29 | 2013-05-15 | トヨタ自動車株式会社 | 車両の制御装置および制御方法 |
WO2011114418A1 (ja) * | 2010-03-15 | 2011-09-22 | トヨタ自動車株式会社 | 車両、変速機の制御方法および制御装置 |
JP5610369B2 (ja) * | 2010-05-17 | 2014-10-22 | スズキ株式会社 | 車両の変速制御装置 |
GB2488527A (en) * | 2011-02-18 | 2012-09-05 | Land Rover Uk Ltd | Vehicle with speed threshold for transition to two or multi wheel drive |
JP5704415B2 (ja) * | 2011-03-01 | 2015-04-22 | スズキ株式会社 | ハイブリッド車両の駆動制御装置 |
US8788424B2 (en) * | 2011-04-22 | 2014-07-22 | Allison Transmission, Inc. | Method of setting transmission shift points in real-time based upon an engine performance curve |
JP5786734B2 (ja) * | 2012-01-27 | 2015-09-30 | アイシン・エィ・ダブリュ株式会社 | ハイブリッド駆動装置 |
WO2013114550A1 (ja) * | 2012-01-30 | 2013-08-08 | トヨタ自動車株式会社 | 車両用駆動装置 |
US9211883B2 (en) * | 2012-03-07 | 2015-12-15 | Toyota Jidosha Kabushiki Kaisha | Control apparatus of vehicle |
US8862351B2 (en) * | 2012-05-31 | 2014-10-14 | Caterpillar Inc. | System and method for controlling shift hunting in variable transmissions |
SE538352C2 (sv) * | 2012-06-27 | 2016-05-24 | Scania Cv Ab | Drivsystem och förfarande för att bestämma en förbränningsmotors moment hos ett hybridfordon |
JP5828808B2 (ja) * | 2012-06-29 | 2015-12-09 | 日立建機株式会社 | 油圧作業機械 |
JP2013100095A (ja) * | 2012-12-19 | 2013-05-23 | Nissan Motor Co Ltd | 車両の制御装置 |
DE102014016188A1 (de) * | 2014-11-03 | 2016-05-04 | Audi Ag | Fahrzeug mit einem Hybridantrieb |
JP6617693B2 (ja) * | 2016-12-09 | 2019-12-11 | トヨタ自動車株式会社 | 車両の制御装置 |
CN115431996A (zh) | 2017-01-20 | 2022-12-06 | 北极星工业有限公司 | 车辆的车辆诊断方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09229181A (ja) * | 1996-02-27 | 1997-09-02 | Toyota Motor Corp | 自動変速機の制御装置 |
JPH09322312A (ja) * | 1996-03-26 | 1997-12-12 | Toyota Motor Corp | ハイブリッド車両の制御装置 |
JPH11217025A (ja) * | 1998-02-03 | 1999-08-10 | Fuji Heavy Ind Ltd | ハイブリッド車 |
JP2000002327A (ja) * | 1998-06-16 | 2000-01-07 | Toyota Motor Corp | ハイブリッド車の変速制御装置 |
JP2000346187A (ja) * | 1999-06-04 | 2000-12-12 | Toyota Motor Corp | ハイブリッド車両およびその制御方法 |
JP2003130203A (ja) * | 2001-10-22 | 2003-05-08 | Toyota Motor Corp | 変速機付きハイブリッド車駆動構造の運転方法 |
JP2006064153A (ja) * | 2004-08-30 | 2006-03-09 | Toyota Motor Corp | 車両用動力伝達装置 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0754989A (ja) * | 1993-05-31 | 1995-02-28 | Mazda Motor Corp | 自動変速機の制御装置 |
JP3149628B2 (ja) * | 1993-06-11 | 2001-03-26 | 三菱自動車工業株式会社 | 車両用自動変速機 |
JP3299661B2 (ja) * | 1995-08-10 | 2002-07-08 | 本田技研工業株式会社 | ベルト式無段変速機 |
US6007443A (en) * | 1996-02-16 | 1999-12-28 | Nippon Soken, Inc. | Hybrid vehicle |
JP3749302B2 (ja) * | 1996-04-11 | 2006-02-22 | トヨタ自動車株式会社 | ハイブリッド車両の駆動制御装置 |
WO2000001965A1 (de) * | 1998-07-02 | 2000-01-13 | Siemens Aktiengesellschaft | Verfahren zum steuern des antriebsstrangs eines kraftfahrzeugs und antriebsstrangsteuerung |
US6099424A (en) * | 1998-12-30 | 2000-08-08 | Hamilton Sundstrand Corporation | Continuously variable transmission with control arrangement and method for recovering from transmission belt slipping |
JP3399441B2 (ja) * | 1999-06-28 | 2003-04-21 | 日産自動車株式会社 | 変速比無限大無段変速機の変速制御装置 |
GB0016182D0 (en) * | 2000-06-30 | 2000-08-23 | Lucas Industries Ltd | Controller for a continuously variable transmission |
US6705961B2 (en) * | 2000-07-14 | 2004-03-16 | Tecumseh Products Company | Variable speed transmission and electronic speed control therefor |
JP2002130456A (ja) * | 2000-10-17 | 2002-05-09 | Nissan Motor Co Ltd | 変速比無限大変速機の変速制御装置 |
JP2002213604A (ja) * | 2001-01-17 | 2002-07-31 | Nissan Motor Co Ltd | 変速比無限大変速機の制動時変速制御装置 |
DE10133919A1 (de) * | 2001-07-12 | 2003-01-23 | Bayerische Motoren Werke Ag | Elektromechanisches Getriebe |
US6540631B2 (en) * | 2001-08-13 | 2003-04-01 | General Motors Corporation | Electrically variable transmission with variable input power split and independent shifting |
US6551208B1 (en) * | 2001-10-18 | 2003-04-22 | General Motors Corporation | Three-mode, compound-split, electrically-variable transmission |
JP4015408B2 (ja) * | 2001-11-26 | 2007-11-28 | 株式会社日立製作所 | 自動車の制御方法および制御装置 |
JP4372388B2 (ja) * | 2002-02-20 | 2009-11-25 | 富士重工業株式会社 | 無段変速機の変速制御装置 |
JP3750626B2 (ja) | 2002-04-09 | 2006-03-01 | トヨタ自動車株式会社 | ハイブリッド車両の制御装置 |
JP3870911B2 (ja) * | 2003-02-10 | 2007-01-24 | 日産自動車株式会社 | 車線逸脱防止装置 |
JP3640954B2 (ja) * | 2003-06-12 | 2005-04-20 | 本田技研工業株式会社 | ハイブリッド車両の動力伝達装置 |
JP4572513B2 (ja) * | 2003-07-01 | 2010-11-04 | スズキ株式会社 | 無段変速装置付き自動二輪車 |
JP4376034B2 (ja) * | 2003-11-04 | 2009-12-02 | 本田技研工業株式会社 | 車両用無段変速機の制御装置 |
-
2005
- 2005-03-29 JP JP2005093854A patent/JP4192911B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-29 WO PCT/JP2006/307176 patent/WO2006104253A1/ja active Application Filing
- 2006-03-29 DE DE112006000451.4T patent/DE112006000451B4/de not_active Expired - Fee Related
- 2006-03-29 CN CNB2006800104362A patent/CN100547266C/zh not_active Expired - Fee Related
- 2006-03-29 US US11/909,104 patent/US8036801B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09229181A (ja) * | 1996-02-27 | 1997-09-02 | Toyota Motor Corp | 自動変速機の制御装置 |
JPH09322312A (ja) * | 1996-03-26 | 1997-12-12 | Toyota Motor Corp | ハイブリッド車両の制御装置 |
JPH11217025A (ja) * | 1998-02-03 | 1999-08-10 | Fuji Heavy Ind Ltd | ハイブリッド車 |
JP2000002327A (ja) * | 1998-06-16 | 2000-01-07 | Toyota Motor Corp | ハイブリッド車の変速制御装置 |
JP2000346187A (ja) * | 1999-06-04 | 2000-12-12 | Toyota Motor Corp | ハイブリッド車両およびその制御方法 |
JP2003130203A (ja) * | 2001-10-22 | 2003-05-08 | Toyota Motor Corp | 変速機付きハイブリッド車駆動構造の運転方法 |
JP2006064153A (ja) * | 2004-08-30 | 2006-03-09 | Toyota Motor Corp | 車両用動力伝達装置 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007055875B4 (de) * | 2006-12-25 | 2014-01-23 | Toyota Jidosha Kabushiki Kaisha | Steuervorrichtung für ein Fahrzeugantriebssystem |
US8224535B2 (en) | 2007-02-14 | 2012-07-17 | Toyota Jidosha Kabushiki Kaisha | Control apparatus and control method for vehicular power transmitting apparatus |
EP2182250A2 (de) * | 2008-10-31 | 2010-05-05 | Zf Friedrichshafen Ag | Antriebsstrang |
EP2182250A3 (de) * | 2008-10-31 | 2014-09-10 | ZF Friedrichshafen AG | Antriebsstrang |
WO2014080529A1 (ja) * | 2012-11-26 | 2014-05-30 | トヨタ自動車株式会社 | ハイブリッド車両用駆動装置 |
CN110001390A (zh) * | 2019-04-24 | 2019-07-12 | 山东临工工程机械有限公司 | 一种传动系统及控制方法 |
CN110001390B (zh) * | 2019-04-24 | 2024-02-02 | 山东临工工程机械有限公司 | 一种传动系统及控制方法 |
Also Published As
Publication number | Publication date |
---|---|
US20090037061A1 (en) | 2009-02-05 |
CN100547266C (zh) | 2009-10-07 |
CN101151480A (zh) | 2008-03-26 |
JP4192911B2 (ja) | 2008-12-10 |
US8036801B2 (en) | 2011-10-11 |
JP2006273071A (ja) | 2006-10-12 |
DE112006000451T5 (de) | 2008-07-17 |
DE112006000451B4 (de) | 2016-12-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006104253A1 (ja) | 車両用駆動装置の制御装置 | |
JP4165526B2 (ja) | 車両用駆動装置の制御装置 | |
JP4238845B2 (ja) | 車両用駆動装置の制御装置 | |
JP4438689B2 (ja) | 車両用駆動装置の制御装置 | |
JP4155236B2 (ja) | 車両用駆動装置の制御装置 | |
JP4238844B2 (ja) | 車両用駆動装置の制御装置 | |
JP4940984B2 (ja) | 車両用駆動装置の制御装置 | |
JP4581855B2 (ja) | 車両用駆動装置の制御装置 | |
JP4434079B2 (ja) | 車両用駆動装置の制御装置 | |
WO2005106290A1 (ja) | 車両用駆動装置の制御装置 | |
WO2006137586A1 (ja) | 車両用駆動装置の制御装置 | |
JP5169196B2 (ja) | 車両用動力伝達装置の制御装置 | |
WO2006123841A1 (ja) | 車両用駆動装置の制御装置 | |
JP2009149120A (ja) | 車両用動力伝達装置の制御装置 | |
WO2005082662A1 (ja) | 車両用駆動装置の制御装置 | |
JP4215027B2 (ja) | 車両用駆動装置の制御装置 | |
WO2006129836A1 (ja) | 車両用駆動装置の制御装置 | |
JP4228942B2 (ja) | 車両用駆動装置の制御装置 | |
JP4389806B2 (ja) | 車両用駆動装置の制御装置 | |
JP2009154625A (ja) | 車両用動力伝達装置の制御装置 | |
JP4311358B2 (ja) | 車両用駆動装置の制御装置 | |
JP5195376B2 (ja) | 車両用駆動装置の制御装置 | |
JP4434194B2 (ja) | 車両用駆動装置の制御装置 | |
JP2006316894A (ja) | 車両用駆動装置の制御装置 | |
JP2010076575A (ja) | 車両用動力伝達装置の制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200680010436.2 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1120060004514 Country of ref document: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11909104 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: RU |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 06731124 Country of ref document: EP Kind code of ref document: A1 |
|
RET | De translation (de og part 6b) |
Ref document number: 112006000451 Country of ref document: DE Date of ref document: 20080717 Kind code of ref document: P |