CN112424041A - 混合动力车辆的控制装置及控制方法 - Google Patents
混合动力车辆的控制装置及控制方法 Download PDFInfo
- Publication number
- CN112424041A CN112424041A CN201980049134.3A CN201980049134A CN112424041A CN 112424041 A CN112424041 A CN 112424041A CN 201980049134 A CN201980049134 A CN 201980049134A CN 112424041 A CN112424041 A CN 112424041A
- Authority
- CN
- China
- Prior art keywords
- driving force
- control rule
- hybrid vehicle
- engine
- internal combustion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 65
- 238000002485 combustion reaction Methods 0.000 claims abstract description 34
- 230000006872 improvement Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 description 15
- 239000000446 fuel Substances 0.000 description 11
- 230000006854 communication Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 230000007175 bidirectional communication Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
-
- 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
- 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
- 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
-
- 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
- B60W10/101—Infinitely variable gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/11—Controlling the power contribution of each of the prime movers to meet required power demand using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance
-
- 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
- B60W20/30—Control strategies involving selection of transmission gear ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
- B60W30/1882—Controlling power parameters of the driveline, e.g. determining the required power characterised by the working point of the engine, e.g. by using engine output chart
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
- B60K2006/4808—Electric machine connected or connectable to gearbox output shaft
-
- 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
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0677—Engine power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/086—Power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/1005—Transmission ratio engaged
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
-
- 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
- Y02T10/7072—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/84—Data processing systems or methods, management, administration
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Transmission Device (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
本发明提供混合动力车辆的控制装置,能够使控制变速比以使从内燃机经由变速机的输出满足要求驱动力的第1控制规则、与控制变速比以使电动机的驱动力和内燃机的驱动力的合计为要求驱动力的第2控制规则协调。本发明是用于控制混合动力车辆的装置(30),前述混合动力车辆具备内燃机(11)和电动机(13)作为能够产生车轮(18)的驱动力的动力源,在前述内燃机(11)和前述车轮(18)之间设置有根据第1控制规则控制变速比的变速机(12),根据第2控制规则运算目标变速比,使得电动机(13)的驱动力(Fm)和内燃机(11)的驱动力(Fe)的合计为要求驱动力(Fd),基于目标变速比确定第1控制规则中使用的参数(vAp)。
Description
技术领域
本发明涉及混合动力车辆的控制装置。
背景技术
以往,已知如下混合动力车辆:具备内燃机及电动机作为能够产生车轮的驱动力的动力源,在内燃机与车轮之间设有变速机(例如专利文献1)。这样在内燃机与车轮之间设置有变速机的车辆中,即使给予驾驶员要求的车轮的驱动力和速度,变速机的变速比也会在既定范围变化,所以在内燃机的运转状态存在某种程度的可变幅度。由此,通过变速比控制,能够使内燃机的运转状态为适合某种目的的状态。
专利文献1:日本特开2000-166019号公报。
这里,将控制变速比而使得使内燃机的运转状态为适合某种目的的状态且从内燃机经由变速机的输出满足要求驱动力的控制规则,称作第1控制规则。此外,将控制变速比而使得内燃机的运转状态为适合某种目的的状态且电动机的驱动力和内燃机的驱动力的合计为要求驱动力的控制规则,称作第2控制规则。另外,电动机能够发电的情况下,电动机的上述驱动力也包括发电时的负值。将与根据第1控制规则实现的变速比对应的内燃机的运转状态设为第1状态,将与根据第2控制规则实现的变速比对应的内燃机的运转状态设为第2状态。
第2控制规则中,不仅内燃机也借助电动机的输出提供要求驱动力。因此,第2状态不同于第1状态。例如仅根据第1控制规则控制变速比的话无法实现第2状态。即,在混合动力车辆中,需要使第1控制规则和第2控制规则协调。
发明内容
本发明是鉴于上述问题而作出的,提供能够使第1控制规则和第2控制规则协调的混合动力车辆的控制装置。
根据本发明的某观点,提供一种混合动力车辆的控制装置,用于控制混合动力车辆,前述混合动力车辆具备内燃机及电动机作为能够产生车轮的驱动力的动力源,在内燃机和车轮之间设置有根据第1控制规则控制变速比的变速机,其特征在于,构成为,根据第2控制规则运算目标变速比,使得电动机的驱动力和内燃机的驱动力的合计为要求驱动力,基于目标变速比确定第1控制规则中使用的参数。
如以上说明,根据本发明能够使第1控制规则和第2控制规则协调。
附图说明
图1是表示本发明的实施方式的混合动力车辆的结构例的示意图。
图2是表示该实施方式的变速器控制单元使用的变速线图的一例。
图3是表示该实施方式的内燃机具有的特性的一例。
图4是表示该实施方式的混合动力控制单元执行的控制处理的流程图。
图5是表示该实施方式的混合动力控制单元执行的假想加速器开度的算出处理的流程图。
具体实施方式
以下,参照附图的同时对本发明的适合的实施方式进行详细的说明。另外,本说明书及附图中对于具有实质相同的功能结构的结构要素标注相同的附图标记而省略重复说明。
<1.混合动力车辆的结构例>
首先,参照图1,对应用本实施方式的控制装置的混合动力车辆的结构例进行说明。混合动力车辆的驱动系统具有发动机11、自动变速机12、马达13、分动器14、差速器机构15。混合动力车辆的电源系统具有作为二次电池的电池20。
发动机11是以汽油或轻油等为燃料的内燃机。发动机11生成的动力被向车轮18传递,由此能够产生车轮18的驱动力。车轮18例如是前轮,作为驱动轮发挥功能。
自动变速机12设置于发动机11和车轮18之间的动力传递路径,将发动机11的输出旋转变速来向车轴17侧传递。发动机11及自动变速机12作为车辆驱动用的单元10发挥功能。自动变速机12是无级变速机,例如具有无级变速机构(CVT:Continuously VariableTransmission)及前进后退切换机构。
CVT是带式的,具有与CVT的输入轴(发动机11的输出侧的轴)连结的主滑轮、与CVT的输出轴连结的次滑轮及卷挂在两滑轮的带。带作为在两滑轮之间传递转矩的动力传递部件发挥功能。
例如由于油压而两滑轮各自的槽宽变化,由此带的卷挂径变化,从而从CVT的输入轴向输出轴传递的旋转的无级变速成为可能。CVT的输出轴经由减速齿轮、差速器机构15及车轴17与车轮18连结。
前进后退切换机构设置于发动机11和CVT之间的动力传递路径,例如具备行星齿轮、前进离合器及后退制动器。通过控制前进离合器及后退制动器,能够切换CVT的输入轴的旋转方向、即车辆的前进行进和后退行进。通过前进离合器及后退制动器都开放,切断发动机11和CVT之间的转矩的传递。
马达13例如是三相交流式的旋转电机,经由逆变器与电池20连接。马达13的输出轴16经由减速齿轮、差速器机构15及车轴17与车轮18连结。
马达13在动力行进时,用电池20的电力产生动力,作为生成用于驱动车轮18的驱动力的电动机(驱动马达)发挥功能。马达13在再生时,被随着车辆的减速而从车轮18侧传递的动力驱动,作为生成电力的发电机(发电器)发挥功能。
分动器14设置于自动变速机12的输出侧的轴(CVT的输出轴)和马达13的输出轴16之间,具有分动器齿轮及分动离合器。分动器齿轮也可以是与差速器机构15的齿轮一体的。
分动离合器例如是借助油压紧固连结或开放的摩擦部件,可以设置于马达13的输出轴16和差速器机构15之间。分动器14通过使分动离合器的紧固连结状态变化,能够切换马达13与车轴17之间的转矩的传递的可否。
分动离合器被紧固连结的状态下,除了发动机11输出的动力,马达13输出的动力也被向车轮18传递,成能够借助发动机11和马达13的两方驱动车辆的混合动力行进模式。混合动力行进模式下,也能够借助被从发动机11侧传递的动力驱动马达13来使其发电。例如发动机11的输出上有剩余的情况下,利用发动机11的动力的部分使马达13作为发电机发挥功能,由此能够使发动机11的能量效率提高。
分动离合器开放的状态下,仅发动机11输出的动力被向车轮18传递,成能够借助发动机11驱动车辆的发动机行进模式。
另外,分动离合器也可以设置于自动变速机12的输出侧的轴(CVT的输出轴)和差速器机构15之间。
<2.控制装置的结构例>
如图1所示,本实施方式的混合动力车辆的控制系统具有发动机控制单元(ECU)31、变速器控制单元(TCU)32、马达控制单元(MCU)33及混合动力控制单元(HCU)30。
各控制单元30~33的部分或全部例如也可以由微型计算机或微处理器单元等构成。也可以是,微型计算机等是执行各种运算处理的中央处理单元(CPU)、存储各种控制程序的只读存储器(ROM)、作为用于数据存储、程序执行的工作区域而被利用的随机存取存储器(RAM)、及输入输出界面(I/O),它们为借助双方向性的公共总线被互相连接的一般性的结构。此外,各控制单元的部分或全部可以由固件等能够更新的构成,也可以是根据来自CPU等的指令被执行的程序模块等。
ECU41及HCU42被互相连接,使得能够经由CAN(Controller Area Network)等通信线进行双方向的通信,将与控制信息、控制对象关联的各种信息相互通信。
ECU31经由通信线与发动机11具备各种致动器及传感器、以及加速器开度传感器41及车速传感器42连接。加速器开度传感器41检测作为加速器踏板操作量的加速器开度Ap。车速传感器42例如检测车轴17或车轮18的转速。ECU31基于来自车速传感器42的信号检测车辆的速度(以下称作车速V。)。
此外,ECU31与TCU32及HCU30连接,使得能够经由CAN(Controller AreaNetwork)等通信线进行双方向的通信,将与控制信息、控制对象关联的各种信息相互通信。ECU31基于被从上述传感器、TCU32及HCU30输入的信号调整节流阀开度、点火时期及燃料喷射量等,由此能够控制发动机11的运转状态。
TCU32经由通信线与自动变速机12连接。此外,TCU32与HCU30连接,使得能够经由CAN等通信线进行双方向的通信。
TCU32基于从检测自动变速机12及分动器14的状态的传感器、以及ECU31及HCU30输入的信号,控制油泵、自动变速机12具备的各控制阀及离合器等、以及分动器14的离合器,由此,能够控制自动变速机12及分动器14的工作状态。
TCU32例如通过控制油压来控制分动离合器的接通和切断、即行进模式的切换。
此外,TCU32作为通过控制油压来控制自动变速机12的变速比的变速控制装置发挥功能。TCU32参照例如图2所示那样的既定的变速线图(图),确定CVT的目标滑轮比。图2中,车速V相当于CVT的输出轴的转速,发动机转速Ne相当于CVT的输入轴的转速。由此,发动机转速Ne相对于车速V的比相当于滑轮比R。
滑轮比R在图2中能够在由虚线表示的最低线101和最高线102之间变化。规定多个变速线103,使得加速器开度Ap越变大发动机转速Ne越大,换言之滑轮比R处于低侧。
图3表示发动机11的特性的一例。将发动机11的最大转矩201用粗实线表示,将等输出线202用细虚线表示,将等耗油线203用细实线表示。等耗油线203与等输出线202相接的点表示耗油最佳的发动机11的运转状态,连结这些点的点划线为最佳耗油线204。若在该最佳耗油线204上发动机11运转,则能够使发动机11的燃料消耗量为最小。图2的变速线图中,规定多个变速线103,使得发动机11的运转状态位于最佳耗油线204上。
MCU33具有逆变器及马达控制器。逆变器将被从电池20供给的直流电转换成交流电来向马达13供给,驱动马达13。逆变器将被从马达13供给的交流电转换成直流电来向电池20供给,将电池20充电。
马达控制器经由通信线于逆变器及马达13连接。此外,马达控制器与HCU30连接,使得能够经由CAN等通信线进行双方向的通信。马达控制器基于被从马达13具备的各种传感器及HCU30输入的信号向逆变器输出指令信号,控制马达13的工作状态。
HCU30综合地控制驱动系统及电源系统,使得实现车辆的要求驱动力且从车辆整体的能量效率的观点出发为最佳的运转状态,由此作为混合动力车辆的控制装置发挥功能。
HCU30与其他控制单元31、32、33连接,并且经由通信线与电池20连接。从电池20向HCU30输入充电状态(SOC:State of Charge)、温度、电压、电流等信息。HCU30为了提高能量效率且抑制电池20的过充电、过放电,向MCU33输出指令信号来控制马达13的工作状态,由此控制成SOC在既定区域内变动。
此外,HCU30除了电池20的信息以外,还基于被从ECU31输入的车速V及加速器开度Ap其他信息、以及来自TCU32的信息进行运算处理,将信号向ECU31及TCU32输出,由此能够控制发动机11的运转状态及自动变速机12的工作状态。
(流程图)
图4表示本实施方式的HCU30执行的处理的流程。该处理至少在混合动力行进模式中被以既定的周期重复执行。
步骤S1中,HCU30读取各种信息。即,从ECU31读取发动机11的信息、车速V及加速器开度Ap。从TCU32读取CVT的信息。从MCU33读取温度、电流、电压及转速等作为马达13的信息。从电池20读取SOC、温度及电压等作为电池20的信息。
步骤S2中,HCU30基于车速V及加速器开度Ap,例如参照既定的图,算出要求驱动力Fd。
步骤S3中,HCU30在车辆的当前的运转状态下将多个发动机11能够取得的状态即发动机可能状态取样。对各发动机可能状态赋予指数i。i例如是1至n1的自然数。
例如,HCU30基于CVT的信息,算出CVT的变速可能区域,换言之,算出滑轮比R的可变范围。若将该区域等分成n1个,则能够特定任意的i的能够实现的滑轮比R(i)。能够基于该滑轮比R(i)和车速V特定发动机转速Ne(i)。转速Ne(i)相当于发动机可能状态i。
步骤S4中,HCU30将多个车辆的当前的运转状态下马达13能够取得的状态即马达可能状态取样。对各马达可能状态赋予指数j。j例如是1至n2的自然数。
例如,HCU30基于电池20和马达13的信息算出马达13的车辆的驱动力Fm的可能区域,换言之,算出马达13能够输出的动力产生的驱动力Fm的范围。若将该区域等分成n2个,则能够特定任意的j的能够借助马达13实现的驱动力Fm(j)。能够根据车轮18的轮胎径、马达13和车轴17之间的齿轮比及驱动力Fm(j)算出马达转矩Tm(j)。转矩Tm(j)相当于马达可能状态j。
这里,驱动力Fm及转矩Tm不仅可以取电池20的放电时、即马达13的动力行进时的正值,也可以取电池20的充电时、即马达13的再生时的负值。
步骤S5中,HCU30算出发动机可能状态i及马达可能状态j下的发动机转矩Te(i,j)。
例如,HCU30通过从步骤S2中算出的要求驱动力Fd减去步骤S4中算出的驱动力Fm(j),算出马达可能状态j下的发动机11产生的车辆的驱动力Fe(j)。根据步骤S3中算出的发动机转速Ne(i)和车速V算出发动机可能状态i下的、发动机11和车轴17之间的齿轮比。该齿轮比包括CVT的滑轮比R。能够根据该齿轮比与车轮18的轮胎径及驱动力Fe(j)算出发动机转矩Te(i,j)。
这里,也可以是,发动机11基于发动机11的信息特定能够输出的最大转矩及最小转矩,施加限制,使得上述算出的发动机转矩Te(i,j)不超过上述最大转矩或最小转矩。
步骤S6中,HCU30算出发动机可能状态i及马达可能状态j下的发动机11的消耗能量Qe(i,j)。
例如,HCU30根据发动机转速Ne(i)及发动机转矩Te(i,j),基于发动机11的信息,算出发动机可能状态i及马达可能状态j下的发动机11的每小时燃料消耗量。若将其换算成能量[kW],则能够算出消耗能量Qe(i,j)。
步骤S7中,HCU30算出马达可能状态j下的马达13的消耗能量Qm(j)。
例如,HCU30根据马达转矩Tm(j)和马达转速Nm,参照基于马达13的规格的既定的马达效率图,算出马达可能状态j下的马达13的输出。此外,参照马达效率图,根据电池20的SOC算出系数F。系数F是用于将作为电气能量的马达13的输出换算成燃料消耗的能量即发热量的系数。通过将马达可能状态j下的马达13的输出与系数F相乘能够算出消耗能量Qm(j)。
步骤S8中,HCU30将发动机可能状态i和马达可能状态j的组合(i,j)中的消耗能量Qe(i,j)与消耗能量Qm(j)的合计最小这样的组合特定为最佳状态(I,J)。
步骤S9中,HCU30将用于实现最佳状态(I,J)的指令信号向ECU31、TCU32及MCU33输出。具体地,将把状态(I,J)下的发动机11的转矩Te(I,J)设为目标发动机转矩的指令信号向ECU31传送。将把状态J下的马达13的转矩Tm(J)设为目标马达转矩的指令信号向MCU33传送。此外,算出假想加速器开度vAp,向TCU32传送。
另外,HCU30也可以取代转矩Te(I,J),将相当于转矩Te(I,J)的加速器开度Ap作为指令信号向ECU31传送。
另外,上述各步骤的顺序能够适当改变。例如,也可以将步骤S2~S4互相适当地调换。
图5表示步骤S9中HCU30算出假想加速器开度vAp的处理的流程。
步骤S91中,HCU30根据车轮18的轮胎径、马达13与车轴17之间的齿轮比及马达转矩Tm(J),算出马达最佳状态J下的马达13的驱动力Fm(J)。
步骤S92中,HCU30从要求驱动力Fd减去步骤S91中算出的驱动力Fm(J),由此算出马达最佳状态J下的发动机11的车辆的驱动力Fe(J)。将把该驱动力Fe(J)根据车轮18的轮胎径换算成转矩的值除以目标发动机转矩Te(I,J),基于其结果算出CVT的目标滑轮比R(I,J)。
另外,目标滑轮比R(I,J)的算出方法不限于此。例如也可以是,根据CVT与车轮18之间的齿轮比和车速V算出CVT的输出轴的转速,将最佳状态I下的发动机11的转速Ne(I)除以上述输出轴的转速,基于其结果算出目标滑轮比R(I,J)。
步骤S93中,HCU30基于目标滑轮比R(I,J)及车速V,参照与TCU32使用的相同的图2的图,算出假想加速器开度vAp。
<3.控制装置的动作例>
如上所述,TCU32例如使用如图2所示那样的图,控制自动变速机12的变速比,具体地控制CVT的滑轮比R,使得发动机11的运转状态位于最佳耗油线204上。另外,TCU32也可以取代图而使用计算式等。以下将这样的变速比的控制规则称作第1控制规则。
第1控制规则例如使用加速器开度Ap及车速V作为参数,基于这些参数控制变速比。自动变速机12是无级变速机,所以被控制的变速比能够无级地变化。
HCU30例如执行图4及图5所示那样的处理,由此,对作为目标变速比的目标滑轮比R(I,J)进行运算,使得马达13的驱动力Fm和发动机11的驱动力Fe的合计为要求驱动力Fd,且发动机11的消耗能量Qe和马达13的消耗能量Qm的合计为最小。以下,将包括这样的目标变速比的运算规则的变速比的控制规则称作第2控制规则。
第2控制规则为,与自动变速机12当前能够取得的多个变速比对应,运算作为发动机11当前能够取得的多个运转状态的转矩Te(i,j)及转速Ne(i)(图4的步骤S3~S5)。从这些多个运转状态(转矩Te(i,j)、转速Ne(i))中,选择消耗能量Qe,Qm的合计最小的一个作为运转状态的转矩Te(I,J)及转速Ne(I)(步骤S6~S8)。这样基于选择的运转状态(转矩Te(I,J)或转速Ne(I)),对作为目标变速比的目标滑轮比R(I,J)进行运算(步骤S9、图5的步骤S91、S92)。
HCU30例如使用图2所示那样的图,基于目标滑轮比R(I,J)及车速V确定假想加速器开度vAp(图5的步骤S93)。这就相当于使用第1控制规则将加速器开度Ap逆运算。另外,HCU30也可以代替图而使用计算式等。HCU30将确定的假想加速器开度vAp向TCU32输出(图4的步骤S9)。
TCU32使用从HCU30接收的假想加速器开度vAp,根据第1控制规则控制变速比。TCU32例如使用如图2所示那样的图,基于从假想加速器开度vAp及ECU31等接收的车速V,设定变速比,控制为了将其实现的CVT。另外,TCU32也可以代替图而使用计算式等。
另外,上述的第1控制规则或第2控制规则中所用的加速器开度Ap或车速V等参数除了传感器的检测值以外,也可以是运算等所得的推定值,也可以是指令值。
<4.从本实施方式把握的各技术思想的意义>
一般地,在发动机和车轮之间设有变速机的车辆中,即使给予车轮的要求驱动力和车轮的速度,变速机的变速比也会在既定范围变化,所以在内燃机的运转状态存在某种程度的可变幅度。由此,通过控制变速比,能够使发动机的运转状态为适合某种目的的状态。
本实施方式的第1控制规则为,控制变速比,使得仅设想发动机11作为驱动力源,由发动机11与自动变速机12构成的单元10的输出满足要求驱动力Fd。以下,将与该变速比对应的发动机11的运转状态称作第1状态。
第2控制规则为,设定自动变速机12的目标变速比,使得单元10的输出和马达13的输出的合计满足要求驱动力Fd。以下,将与该目标变速比对应的发动机11的运转状态称作第2状态。
第2控制规则中,要求驱动力Fd不仅被单元10的输出也被马达13的输出提供。因此,第2状态与第1状态不同,两状态会背离。例如借助发动机11驱动马达13来发电从而消耗能量Qe、Qm的合计最小的情况下,图3中,作为第2状态的转矩Te(I,J)会成点206的值,但这与第1状态的点205的值不同。即,仅根据第1控制规则控制变速比的话,无法实现第2状态。由此,混合动力车辆中,需要使第1控制规则和第2控制规则协调。
与此相对,本实施方式的HCU30基于根据第2控制规则运算的目标变速比即目标滑轮比R(I,J),确定第1控制规则下使用的参数即加速器开度Ap(假想加速器开度vAp)。由此,根据第2控制规则运算的目标变速比比如被加入至第1控制规则,所以即使根据第1控制规则也能够实现上述目标变速比,能够实现第2状态。即,混合动力车辆中,使第1控制规则和第2控制规则协调,满足要求驱动力Fd,且能够实现第2控制规则的目的。
换言之,作为目标变速比的目标滑轮比R(I,J)被基于要求驱动力Fd中的被向单元10分配的驱动力Fe运算。因此,在基于上述目标变速比确定的上述参数(假想加速器开度vAp)包括单元10的输出的信息。通过将这样的信息用第1控制规则控制变速比,能够消除第1状态和第2状态的上述背离。
另外,混合动力车辆的驱动系统的结构不限于本实施方式的驱动系统的结构。例如也可以在发动机和变速机之间设置有马达。总之,若为在发动机和车轮之间设置变速机而能够借助发动机和马达的两方或一方产生车轮的驱动力的混合动力车辆,则能够应用本实施方式的上述控制。
本实施方式的驱动系统中,构成为,马达13的动力相对于自动变速机12不向发动机11侧而向发动机11的相反侧即车轴17侧传递。由此,有TCU32执行的变速比的第1控制规则不考虑马达13的动力或将要求驱动力Fd在仅由单元10的输出提供的前提上成立的可能。这样的情况下,有效地得到HCU30的上述控制的上述作用效果。
另外,第2控制规则也可以是用于使发动机11的运转状态为适合排气体性能的提高等的状态的控制规则。例如也可以对作为目标变速比的目标滑轮比R(I,J)进行运算,使得发动机11的排气体量最小。
实施方式的第2控制规则是用于使发动机11的运转状态成适合发动机11及马达13的能量效率的提高的状态的控制规则。例如,HCU30通过对目标滑轮比R(I,J)进行运算而使得消耗能量Qe、Qm的合计最小,实现作为与其他较多的状态相比发动机11及马达13的能量效率高的状态的第2状态。通过将第2控制规则的这样观点加入第1控制规则来使其反映,能够提高混合动力车辆整体的能量效率。
另外,第1控制规则也可以是用于使发动机11的运转状态为适合车辆的行进性能(加速性能等)的提高等的状态的控制规则。
本实施方式的第1控制规则是用于使发动机11的运转状态成适合能量效率的提高的状态的控制规则。由此,仅借助发动机11的驱动力行进时,也能够提高混合动力车辆的能量效率。
第2控制规则为,与自动变速机12当前能够取得的多个变速比对应,运算作为发动机11当前能够取得的多个运转状态的转矩Te(i,j)及转速Ne(i),基于从其中选择的一个作为运转状态的转矩Te(I,J)或转速Ne(I),对作为目标变速比的目标滑轮比R(I,J)进行运算。这样,第2控制规则基于自动变速机12当前能够取得的多个变速比对目标变速比进行运算,由此,基于这样的目标变速比控制的变速比能够比第2状态更切实地实现。
第1控制规则基于加速器开度Ap及车速V控制变速比。加速器开度Ap及车速V相当于要求驱动力Fd,车速V相当于车轮18的速度。由此,车轮18的要求驱动力Fd或车轮18的速度变化时,与该变化对应,根据第1控制规则控制的变速比会变化。此时,第2控制规则也能够通过基于自动变速机12当前能够取得的多个变速比运算目标变速比来实现第2状态。
另外,自动变速机12能够借助某个控制装置控制变速比即可,也可以是多级式或双离合器式的自动变速机、或使手动变速机自动化的自动MT等。
本实施方式的自动变速机12是无级变速机。由此,根据第1控制规则控制的变速比无级地变化时,第2控制规则也基于自动变速机12能够取得的多个变速比运算目标变速比,由此能够实现第2状态。此外,将变速比无级地精细地控制,由此能够使发动机11的运转状态更接近最佳。
另外,TCU32也可以是HCU30的部分。换言之,根据第1控制规则控制变速比的控制部也可以是混合动力车辆的控制装置的部分。
本实施方式的混合动力车辆具有根据第1控制规则控制变速比的TCU32,HCU30将确定的参数向TCU32输出。由此,能够在将发动机驱动车辆中以往使用的TCU32设为除了HCU30之外的零件(分体)的状态下用于混合动力车辆的控制。
上述参数也可以是车速V等。例如,HCU30也可以基于目标滑轮比R(I,J)及加速器开度Ap确定作为第1控制规则中使用的参数的假想车速vV。即,TCU32接收的参数在通常的发动机驱动车辆中被一般地使用,换言之若原本TCU32在第1控制规则下使用,则能够在不对TCU32的以往的结构即运算内容较大改变的情况下,将TCU32用于混合动力车辆的控制。
本实施方式的上述参数是加速器开度Ap。例如,HCU30基于作为目标变速比的目标滑轮比R(I,J)及车速V,确定作为第1控制规则中使用的参数的假想加速器开度vAp。由此,使用车速V等作为上述参数的情况下也较好地应答,能够使TCU32控制变速比来实现发动机11的第2状态。
以上,参照附图的同时对本发明的适合的实施方式进行了详细的说明,但本发明不限于该例。显然只要是具有本发明所属技术领域的通常的知识的人,能够在记载于权利要求书的技术思想的范畴内想到各种改变例或修正例,可知关于这些当然也属于本发明的技术范围。
附图标记说明
11・・・内燃机、12・・・变速机、13・・・电动机、18・・・车轮、30・・・混合动力车辆的控制装置。
Claims (7)
1.一种混合动力车辆的控制装置(30),用于控制混合动力车辆,前述混合动力车辆具备内燃机(11)及电动机(13)作为能够产生车轮(18)的驱动力的动力源,在前述内燃机(11)和前述车轮(18)之间设置有根据第1控制规则控制变速比的变速机(12),其特征在于,
构成为,根据第2控制规则运算目标变速比,使得前述电动机(13)的驱动力(Fm)和前述内燃机(11)的驱动力(Fe)的合计为要求驱动力(Fd),基于前述目标变速比确定前述第1控制规则中使用的参数(vAp)。
2.如权利要求1所述的混合动力车辆的控制装置(30),其特征在于,
前述第2控制规则为,与前述变速机(12)当前能够取得的多个变速比对应地,运算前述内燃机(11)当前能够取得的多个运转状态,基于从前述多个运转状态中选择的一个运转状态运算前述目标变速比。
3.如权利要求1或2所述的混合动力车辆的控制装置(30),其特征在于,
前述第2控制规则为,用于使前述内燃机(11)的运转状态为适应前述内燃机(11)及前述电动机(13)的能量效率的提高的状态的控制规则。
4.如权利要求1至3中任一项所述的混合动力车辆的控制装置(30),其特征在于,
前述变速机(12)是无级变速机。
5.如权利要求1至4中任一项所述的混合动力车辆的控制装置(30),其特征在于,
前述混合动力车辆具有根据前述第1控制规则控制前述变速机(12)的变速比的变速控制装置(32),
前述混合动力车辆的控制装置(30)将确定前述的参数(vAp)向前述变速控制装置(32)输出。
6.如权利要求1至5中任一项所述的混合动力车辆的控制装置(30),其特征在于,
前述参数是加速器踏板的操作量(vAp)。
7.一种混合动力车辆的控制方法,用于控制混合动力车辆,前述混合动力车辆具备内燃机(11)及电动机(13)作为能够产生车轮(18)的驱动力的动力源,在前述内燃机(11)和前述车轮(18)之间设置有根据第1控制规则控制变速比的变速机(12),其特征在于,
构成为,根据第2控制规则运算目标变速比,使得前述电动机(13)的驱动力(Fm)和前述内燃机(11)的驱动力(Fe)的合计为要求驱动力(Fd),基于前述目标变速比确定前述第1控制规则中使用的参数(vAp)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018-138101 | 2018-07-24 | ||
JP2018138101 | 2018-07-24 | ||
PCT/JP2019/025261 WO2020021941A1 (ja) | 2018-07-24 | 2019-06-26 | ハイブリッド車両の制御装置及び制御方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112424041A true CN112424041A (zh) | 2021-02-26 |
Family
ID=69182077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201980049134.3A Pending CN112424041A (zh) | 2018-07-24 | 2019-06-26 | 混合动力车辆的控制装置及控制方法 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3828047B1 (zh) |
JP (1) | JPWO2020021941A1 (zh) |
CN (1) | CN112424041A (zh) |
WO (1) | WO2020021941A1 (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004136820A (ja) * | 2002-10-18 | 2004-05-13 | Toyota Motor Corp | ハイブリッド自動車およびその制御方法 |
JP2010158937A (ja) * | 2009-01-07 | 2010-07-22 | Nissan Motor Co Ltd | ハイブリッド車両の制御装置 |
CN102395496A (zh) * | 2009-04-13 | 2012-03-28 | 丰田自动车株式会社 | 驱动力控制装置 |
CN103842225A (zh) * | 2011-11-25 | 2014-06-04 | 日产自动车株式会社 | 混合动力车辆的控制装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2961920B2 (ja) * | 1991-03-26 | 1999-10-12 | トヨタ自動車株式会社 | シリーズ、パラレル複合ハイブリッドカーシステム |
JPH09224303A (ja) * | 1996-02-16 | 1997-08-26 | Nippon Soken Inc | ハイブリッド自動車の車両制御装置 |
JP3842467B2 (ja) | 1998-11-20 | 2006-11-08 | 富士重工業株式会社 | ハイブリッド車の制御装置 |
JP3536704B2 (ja) * | 1999-02-17 | 2004-06-14 | 日産自動車株式会社 | 車両の駆動力制御装置 |
JP3515420B2 (ja) * | 1999-05-10 | 2004-04-05 | 本田技研工業株式会社 | ハイブリッド自動車の制御装置 |
JP3832237B2 (ja) * | 2000-09-22 | 2006-10-11 | 日産自動車株式会社 | ハイブリッド車の制御装置 |
JP3593983B2 (ja) * | 2001-01-16 | 2004-11-24 | 日産自動車株式会社 | 車両の駆動力制御装置 |
JP6340605B2 (ja) * | 2013-12-18 | 2018-06-13 | 日産自動車株式会社 | ハイブリッド車両の制御装置 |
CN104842996B (zh) * | 2014-06-18 | 2017-10-10 | 北汽福田汽车股份有限公司 | 一种混合动力汽车换挡方法及系统 |
-
2019
- 2019-06-26 WO PCT/JP2019/025261 patent/WO2020021941A1/ja unknown
- 2019-06-26 EP EP19840970.8A patent/EP3828047B1/en active Active
- 2019-06-26 JP JP2020532230A patent/JPWO2020021941A1/ja active Pending
- 2019-06-26 CN CN201980049134.3A patent/CN112424041A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004136820A (ja) * | 2002-10-18 | 2004-05-13 | Toyota Motor Corp | ハイブリッド自動車およびその制御方法 |
JP2010158937A (ja) * | 2009-01-07 | 2010-07-22 | Nissan Motor Co Ltd | ハイブリッド車両の制御装置 |
CN102395496A (zh) * | 2009-04-13 | 2012-03-28 | 丰田自动车株式会社 | 驱动力控制装置 |
CN103842225A (zh) * | 2011-11-25 | 2014-06-04 | 日产自动车株式会社 | 混合动力车辆的控制装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2020021941A1 (ja) | 2020-01-30 |
EP3828047A1 (en) | 2021-06-02 |
EP3828047A4 (en) | 2021-07-28 |
JPWO2020021941A1 (ja) | 2021-08-02 |
US20210237552A1 (en) | 2021-08-05 |
EP3828047B1 (en) | 2024-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108349484B (zh) | 混合动力车辆的驱动装置的运行和混合动力车辆 | |
US8195350B2 (en) | Vehicle and control method thereof | |
KR100908950B1 (ko) | 차량의 제어 장치 | |
US8096375B2 (en) | Vehicle and control method thereof | |
US8204639B2 (en) | Hybrid vehicle and control method thereof | |
US8065069B2 (en) | Vehicle and control method thereof | |
US8271156B2 (en) | Hybrid vehicle and control method thereof | |
US8763736B2 (en) | Control apparatus and method for hybrid vehicle | |
CN100458235C (zh) | 驱动系统、包括该驱动系统的动力输出系统、配备该动力输出系统的车辆、及驱动系统控制方法 | |
US6902512B2 (en) | Power output apparatus and movable body with power output apparatus mounted thereon | |
US10252712B2 (en) | Adapting engine-on time to driver aggressiveness in a hybrid vehicle | |
WO2010079604A1 (ja) | 四輪駆動車両用動力伝達装置の制御装置 | |
US10647190B2 (en) | Control system for hybrid vehicles | |
CN110861632B (zh) | 混合动力车辆的控制装置 | |
CN111434548B (zh) | 车辆的变速控制装置 | |
JPH11324751A (ja) | 駆動力制御装置 | |
JP6817767B2 (ja) | ハイブリッド車両システムの制御装置及び制御方法 | |
WO2011125862A1 (ja) | ハイブリッド車両制御装置 | |
KR20070063336A (ko) | 직렬 및 병렬 하이브리드 자동차에서의 최적 운전점결정방법 | |
CN112238853B (zh) | 车辆的控制装置 | |
US11554771B2 (en) | Hybrid vehicle with optimized transmission control during regenerative braking | |
CN112424041A (zh) | 混合动力车辆的控制装置及控制方法 | |
US11981210B2 (en) | Controller and control method for hybrid vehicle | |
JP2001263120A (ja) | ハイブリッド車の制御装置 | |
US11524675B2 (en) | Vehicle and method of warning a vehicle operator of an impending shutdown of an electrical outlet on the vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |