CN106256632B - The control device of hybrid vehicle - Google Patents

The control device of hybrid vehicle Download PDF

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Publication number
CN106256632B
CN106256632B CN201610425255.1A CN201610425255A CN106256632B CN 106256632 B CN106256632 B CN 106256632B CN 201610425255 A CN201610425255 A CN 201610425255A CN 106256632 B CN106256632 B CN 106256632B
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China
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mentioned
voltage
battery
hybrid vehicle
auxiliary
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CN106256632A (en
Inventor
千明将人
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Suzuki Motor Corp
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Suzuki Motor Corp
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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
    • 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
    • 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
    • B60K6/485—Motor-assist 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
    • B60K6/48—Parallel type
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/14—Supplying electric power to auxiliary equipment of vehicles to electric lighting circuits
    • 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
    • B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • 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
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • 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
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
    • B60W40/105—Speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0638—Engine 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/24—Energy storage means
    • B60W2510/242—Energy storage means for electrical energy
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/101—Engine speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/50—Input parameters for engine control said parameters being related to the vehicle or its components
    • F02D2200/501—Vehicle speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
    • F02D2200/602—Pedal position
    • 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
    • Y02T10/70—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

Abstract

A kind of control device for the hybrid vehicle of voltage for being able to suppress and being supplied to the electric loadings such as headlight sharply changed is provided.Have: engine (2)；Motor generator (3), generation supply an electric power to battery (6), and in the case where preset subsidiary conditions are set up, assist the driving force of engine (2)；Electric loading (7) supplies electric power by battery (6)；And ECU (8), it is in the case where subsidiary conditions are set up, when electric loading (7) is in work, after being gradually reduced the voltage of battery (6), start to carry out motor generator (3) to the auxiliary of engine (2).

Description

The control device of hybrid vehicle
Technical field
The present invention relates to the control devices of hybrid vehicle, more particularly, it relates to motor to the driving of engine into The control device of the hybrid vehicle of row auxiliary.
Background technique
In the past, as described in patent document 1, it is known that device control as follows: for the purpose of preventing the illumination change of headlight excessive, Adjoint variation in voltage increased dramatically to the energization of electric loading in order to prevent, in the case where the energization to electric loading increases, It is gradually reduced the generating voltage of generator.
Existing technical literature
Patent document
Patent document 1: No. 5489899 bulletin of special permission
Summary of the invention
Problems to be solved by the invention
However, in the control device described in patent document 1, do not account for inhibiting in following hybrid vehicle by electricity Dynamic generator carries out sharply variation in voltage when torque auxiliary, and above-mentioned hybrid vehicle has engine and motor generator, The torque auxiliary of engine is carried out by increasing the driving force of motor generator on the basis of the driving force of engine, and Motor generator is driven as generator, the electric power of generation is charged in battery.
In this regard, being able to suppress and being supplied to the purpose of the present invention is to provide a kind of control device of hybrid vehicle The sharply variation of the voltage of the electric loadings such as headlight.
The solution to the problem
In a mode of the invention of the control device of the hybrid vehicle to solve the above problems, above-mentioned hybrid power Vehicle has: internal combustion engine；Motor, generation supply an electric power to battery, and the case where preset subsidiary conditions are set up Under, the driving force of internal combustion engine is assisted；And electric loading, by battery supplied electric power, the control of above-mentioned hybrid vehicle Device processed has control unit, and above-mentioned control unit, when electric loading is in work, makes electricity in the case where subsidiary conditions are set up The voltage in pond starts to be assisted after being gradually decrease to decrescence target voltage.
Invention effect
In this way, according to one method of the present invention, being able to suppress the sharply variation for the voltage for being supplied to the electric loadings such as headlight.
Detailed description of the invention
Fig. 1 is the conceptual schema of the control device of hybrid vehicle involved in an embodiment of the invention.
Fig. 2 is the battery electricity in the control device for illustrate hybrid vehicle involved in an embodiment of the invention The flow chart of voltage-controlled processing sequence processed.
Fig. 3 is that the license in the control device for illustrate hybrid vehicle involved in an embodiment of the invention is auxiliary Help the flow chart of determination processing sequence.
Fig. 4 is in the control device for indicate hybrid vehicle involved in an embodiment of the invention due to electricity The timing diagram of the variation of cell voltage caused by cell voltage control processing.
Fig. 5 be the variation of the cell voltage in the aid in treatment for indicate the control device of previous hybrid vehicle when Sequence figure.
Description of symbols
2 engines (internal combustion engine)
3 motor generators (motor)
6 batteries
7 electric loadings
8 ECU (control unit)
11 engine speed sensors
12 vehicle speed sensor
13 accelerator opening sensors
61 battery sensors
Specific embodiment
In the following, referring to attached drawing, the embodiment that the present invention will be described in detail.
In Fig. 1, the vehicle of the control device of hybrid vehicle involved in an embodiment of the invention is installed 1 includes: the engine 2 of internal combustion engine type, motor generator 3, speed changer 4, driving wheel 5, battery 6, electric loading 7 and as control ECU (the Electronic Control Unit in portion processed；Electronic control unit) 8.
Engine 2 has piston (not shown), cylinder, connecting rod etc., is made of 4 Stroke Engines, which exists Piston carries out including the one of induction stroke, compression stroke, expansion stroke and exhaust stroke in a period of round-trip 2 times in cylinder Serial 4 strokes.
Motor generator 3 is for example made of three-phase alternating-current motor.The electric power exported by battery 6 is through inverter (not shown) The AC power of three-phase is converted to, the AC power of the three-phase is supplied to three-phase alternating-current motor to drive motor generator 3.In this way, motor generator 3 can be functioned as motor, the assist torque of the output torque of compensation engine 2 is generated.
In addition, driving motor generator 3 makes braking of rotational resistance when power generation for vehicle 1.To motor generator 3 have the function of to generate electricity by regenerating.It is functioned in this way, motor generator 3 can be used as generator, it is raw At the electric power for charging to battery 6.
Motor generator 3 has the motor generator belt pulley 31 for the armature spindle for being linked to motor generator 3.Dynamoelectric and power generation Machine belt pulley 31 connect with the crank pulley 21 for the crankshaft for being linked to engine 2 via belt 22 and can transmit power with it.
ECU8 can control inverter to control output torque, the generation power of motor generator 3.
Speed changer 4 makes the rotation of the crankshaft of engine 2 with defined gear ratio speed change, and through not shown differential gearing Etc. being output to driving wheel 5.
Battery 6 is for example made of lead storage battery.The battery 6 is electrically connected to electric loading 7 and motor generator 3.Battery 6 connects There is the battery sensor 61 being made of current sensor, voltage sensor and battery temperature sensor etc..Battery sensor 61 It is connected to ECU8.ECU8 can find out voltage, the charged state of battery 6 according to the output of battery sensor 61.
The electrical equipments such as the not shown headlight of electric loading 7, blower are constituted.Electric loading 7 is using the electric power of battery 6 come work Make.
ECU8 is made of computer unit, which has: CPU (Central Processing Unit；In Central processor), RAM (Random Access Memory；Random access memory), ROM (Read Only Memory；It is read-only Memory), flash memory, input port and output port.
In the ROM of ECU8, it is not only stored with various constants, various mappings etc., is also stored with for making the computer list The program that member is functioned as ECU8.That is, CPU executes program stored in ROM, thus, the computer unit is as this ECU8 in embodiment is functioned.ECU8 is connected to motor generator 3 and battery sensor 61, mutual with above-mentioned each device Carry out the exchange of data.
The input port of ECU8 is connected with various sensor classes, which includes: engine speed sensor 11, detect the revolving speed (hereinafter also referred to " engine speed ") of engine 2；Vehicle speed sensor 12 detects speed；And add Fast device jaw opening sensor 13 detects the operating quantity (hereinafter also referred to " accelerator opening ") of accelerator pedal (not shown).
In addition, the output port of ECU8 is connected with various control object classes, which includes: (not shown) Injector, spark plug and air throttle.
ECU8 controls various control object classes based on the information obtained from various sensor classes.For example, ECU8 be based on by Accelerator opening, the engine speed detected by engine speed sensor 11 that accelerator opening sensor 13 detects etc. Fuel injection amount, ignition timing, throttle opening etc. are controlled, to control the driving of engine 2.
In addition, ECU8 carries out the stopping and again that idle speed stop-start control to carry out engine 2 automatically when vehicle 1 stops It opens.
In the present embodiment, ECU8 carries out traveling auxiliary in the case where preset license subsidiary conditions are set up, The driving of engine 2 is assisted using the driving of motor generator 3.
ECU8 for example when condition below is all set up is judged to that subsidiary conditions is permitted to set up.
Engine speed detected by engine speed sensor 11 is less than egulation rotating speed.
The charge rate of the calculated battery 6 of detected value based on battery sensor 61 is regulation charge rate or more.
Speed detected by vehicle speed sensor 12 is regulation speed or more.
It is rule based on the calculated driving request torque of accelerator opening detected by accelerator opening sensor 13 Determine torque or more.
In addition, these conditions are an examples, it also may include other conditions.In addition, being not limited in these conditions whole When establishment, it when the quantity that at least condition is set up is defined quantity or more can also be judged to that subsidiary conditions is permitted to set up.
In addition, egulation rotating speed, regulation charge rate, regulation speed, regulation torque be it is pre- first pass through experiment etc. and find out, store In the ROM of ECU8.
In the case where permitting subsidiary conditions to set up and electric loading 7 is in work such as headlight, ECU8 makes battery 6 Voltage be gradually decrease to decrescence target voltage after, execute by motor generator 3 to the auxiliary of engine 2.Herein, decrescence target Voltage be it is pre- first pass through experiment etc. find out, be stored in the ROM of ECU8.
ECU8 is gradually reduced the generating voltage of motor generator 3, is gradually reduced the voltage of battery 6.ECU8 for example makes The generating voltage of motor generator 3 reduces preset voltage by every specific time interval and decrescence measures, and makes motor generator 3 Generating voltage is gradually reduced.Herein, voltage decrescence measure it is pre- first pass through experiment etc. find out, be stored in the ROM of ECU8.Voltage It decrescence measures fewer, is more able to suppress the flashing of headlight, the sound variation of blower.If increase voltage decrescence measure, can shorten from Subsidiary conditions are permitted to set up to the time for starting to be assisted.
In addition, ECU8 carries out license power generation and determines in the case where permitting subsidiary conditions invalid.If in the following conditions Any one is set up, then ECU8 is judged to forbidding generating electricity.That is, ECU8 is judged to permitting to generate electricity if the following conditions are all invalid Condition is set up.
It is that when restarting of engine 2 is carried out by motor generator 3.
It is to detect the power generation dissengaged positions accelerated suddenly.
Be battery 6 charge rate be target charge rate more than non-power generating state.
In the case where permitting power generation conditions to set up and electric loading 7 is in work, ECU8 increases the voltage of battery 6 gradually Big extremely cumulative target voltage.Herein, cumulative target voltage be it is pre- first pass through experiment etc. find out, be stored in the ROM of ECU8.
ECU8 is gradually increased the generating voltage of motor generator 3, is gradually increased the voltage of battery 6.ECU8 for example makes The generating voltage of motor generator 3 increases preset gradual voltage increase amount by every specific time interval, makes motor generator 3 Generating voltage is gradually increased.Herein, gradual voltage increase amount be it is pre- first pass through experiment etc. find out, be stored in the ROM of ECU8.
Illustrate the control dress of the hybrid vehicle as involved in present embodiment as constructed as above referring to Fig. 2 and Fig. 3 Set the cell voltage control processing of progress.In addition, cell voltage control processing described below is opened when ECU8 starts movement Begin and is executed by preset time interval.
Firstly, ECU8 executes license auxiliary judgement processing (step S101) shown in Fig. 3.In Fig. 3, ECU8 is from engine Speed probe 11 obtains engine speed, obtains speed from vehicle speed sensor 12, obtains and add from accelerator opening sensor 13 Fast device aperture obtains detected value as auxiliary judgement information (step needed for license auxiliary judgement from battery sensor 61 S201)。
ECU8 determines whether above-mentioned license subsidiary conditions are true (step S202) based on acquired information.
In the case where being judged to that subsidiary conditions is permitted to set up, auxiliary judgement result is set as license auxiliary (step by ECU8 Rapid S203), terminate license auxiliary judgement processing.
On the other hand, in the case where being judged to permitting that subsidiary conditions are invalid, auxiliary judgement result is set as by ECU8 Forbid assisting (step S204), terminates license auxiliary judgement processing.
Fig. 2 is returned to, ECU8 determines that the setting value of the auxiliary judgement result set in the license auxiliary judgement processing of Fig. 3 is It is no to assist (step S102) for license.
In the case where being determined as that the setting value of auxiliary judgement result assists for license, ECU8 determines whether electric loading 7 is located In work (step S103).
In the case where being determined as that electric loading 7 is in work, ECU8 makes the generating voltage of motor generator 3 by above-mentioned electricity Pressure decrescence amount is gradually reduced (step S104).
Then, ECU8 determines whether the voltage of battery 6 detected by battery sensor 61 is above-mentioned decrescence target voltage (step S105) below.It is not decrescence in target voltage situation below in the voltage for being determined as battery 6, ECU8 terminates battery electricity Voltage-controlled system processing.
It on the other hand, is decrescence in target voltage situation below, alternatively, in step in the voltage for being determined as battery 6 In the case where being determined as electric loading 7 not at work in S103, ECU8 driving 3 stipulated time of motor generator executes it to hair The auxiliary (step S106) of the driving of motivation 2 terminates cell voltage control processing.
On the other hand, in the case where being determined as that the setting value of auxiliary judgement result is not license auxiliary in step s 102, Whether ECU8 determines whether to permit power generation (step S107) at Rob Roy according to above-mentioned license power generation conditions.It is being judged to disapproving hair In the case where electricity, ECU8 terminates cell voltage control processing.
On the other hand, in the case where being judged to permitting power generation, whether ECU8 determines electric loading 7 in (step in work S108)。
In the case where being determined as that electric loading 7 is in work, ECU8 makes the generating voltage of motor generator 3 by above-mentioned electricity Pressure increasing amounts is gradually increased (step S109).
Then, ECU8 determines whether the voltage of battery 6 detected by battery sensor 61 is above-mentioned cumulative target voltage (step S110) above.In the case where being determined as the voltage of battery 6 is not cumulative target voltage or more, ECU8 terminates battery electricity Voltage-controlled system processing.
On the other hand, in the case where being determined as the voltage of battery 6 is cumulative target voltage or more, alternatively, in step In the case where being determined as electric loading 7 not at work in S108, the generating voltage of motor generator 3 is set as steady state value by ECU8 (step S111) terminates cell voltage control processing.
Illustrate the movement of this cell voltage control processing referring to Fig. 4.In addition, illustrating previous auxiliary referring to Fig. 5 The movement of processing.
As shown in figure 4, cell voltage control processing according to the present embodiment, at the time of permitting subsidiary conditions to set up T1, motor generator 3 are changed into the auxiliary transition mode for being gradually reduced generating voltage, in moment T2, when the voltage of battery 6 becomes When for below above-mentioned decrescence target voltage, driving motor generator 3 starts to be assisted, and motor generator 3 is changed into auxiliary mould Formula.
In moment T3, when license subsidiary conditions become invalid, according to the shape for permitting that power generation determines and generates electricity as license When state, motor generator 3 is changed into the power generation transition mode for being gradually increased generating voltage, in moment T4, when the voltage of battery 6 When becoming above-mentioned cumulative target voltage or more, the generating voltage of motor generator 3 is set as steady state value, 3 turns of motor generator Become power generation mode.
As shown in figure 5, according to previous aid in treatment, T5 at the time of permitting subsidiary conditions to set up drives dynamoelectric and power generation Machine 3 starts to be assisted, and motor generator 3 is changed into auxiliary mode, T6 at the time of permitting subsidiary conditions to become invalid, electricity Dynamic generator 3 starts to generate electricity, and is changed into power generation mode.Due to being gradually reduced and being gradually increased without cell voltage, When assisting starting and at the end of auxiliary, the voltage of battery 6 can change dramatically.
In the present embodiment, in motor generator 3 by driving and the voltage of battery 6 decline auxiliary start before, make The voltage of battery 6 is gradually reduced, therefore, compared with the past, is able to suppress the change dramatically of the voltage of battery 6.
In addition, motor generator 3 by driving and the voltage of battery 6 decline auxiliary start before, make the voltage of battery 6 Decrescence target voltage is dropped to hereinafter, therefore, can reduce the slippage of voltage when auxiliary starts, it is compared with the past, it can Inhibit the change dramatically of the voltage of battery 6.
In addition, the auxiliary in motor generator 3 terminates to make motor generator in the case that motor generator 3 starts power generation 3 generating voltage is gradually increased, and therefore, the voltage of battery 6 can be made to be gradually increased, compared with the past, is able to suppress battery 6 The change dramatically of voltage.
In this way, having ECU8 in the above-described embodiment, which works as electric loading in the case where subsidiary conditions are set up 7 in the work when, after being gradually reduced the voltage of battery 6, start to carry out motor generator 3 to the auxiliary of engine 2.
To carry out the auxiliary of motor generator 3 after the voltage of battery 6 is gradually reduced.Therefore, in motor generator 3 Before by driving, the auxiliary of the voltage decline of battery 6 starts, the voltage of battery 6 can be gradually reduced, and be able to suppress and be supplied to electricity The sharply variation of the voltage of load 7.
In addition, ECU8 when the voltage of battery 6 becomes decrescence target voltage or less, starts to carry out 3 pairs of motor generator hairs The auxiliary of motivation 2.
To be assisted by motor generator 3 after the voltage of battery 6 drops to decrescence target voltage.Therefore, energy Enough slippages for reducing voltage when auxiliary starts, are able to suppress the sharply variation for the voltage for being supplied to electric loading 7.
In addition, ECU8 can also be by making the generating voltage of motor generator 3 make the voltage of battery 6 gradually and being gradually reduced Reduce.
In addition, ECU8 auxiliary execute in subsidiary conditions become invalid in the case where, permit power generation in the state of, when When electric loading 7 is in work, it is gradually increased the generating voltage of motor generator 3.
To, the generating voltage of motor generator 3 from the state that the voltage of the battery 6 after auxiliary has dropped gradually Increase.Therefore, the voltage of battery 6 can be made to be gradually increased from the state having dropped, is able to suppress the voltage for being supplied to electric loading 7 Sharply variation.
Although disclosing embodiments of the present invention, it will be apparent that those skilled in the art can not depart from the present invention Range in the case where changed.The attached claims are intended to comprising all this amendments and equivalent.

Claims (5)

1. a kind of control device of hybrid vehicle, wherein above-mentioned hybrid vehicle has:
Internal combustion engine；
Motor, generation supply an electric power to battery, and in the case where preset subsidiary conditions are set up, to above-mentioned internal combustion The driving force of machine is assisted；And
Electric loading, by above-mentioned battery supplied electric power,
The control device of above-mentioned hybrid vehicle is characterized in that,
Having control unit, above-mentioned control unit is in the case where above-mentioned subsidiary conditions are set up, when above-mentioned electric loading is in work, Start to carry out above-mentioned auxiliary after making the voltage of above-mentioned battery be gradually decrease to decrescence target voltage.
2. the control device of hybrid vehicle according to claim 1,
When the voltage of above-mentioned battery is setting value or less, above-mentioned control unit starts to carry out above-mentioned auxiliary.
3. the control device of hybrid vehicle according to claim 1 or 2,
Above-mentioned control unit is by making the generating voltage of above-mentioned motor be gradually reduced the voltage of above-mentioned battery and being gradually reduced.
4. the control device of hybrid vehicle according to claim 1 or 2,
In the execution of above-mentioned auxiliary and in the case that above-mentioned subsidiary conditions become invalid and make above-mentioned electric power generation, when above-mentioned electricity When load is in work, above-mentioned control unit is gradually increased the generating voltage of above-mentioned motor.
5. the control device of hybrid vehicle according to claim 3,
In the execution of above-mentioned auxiliary and in the case that above-mentioned subsidiary conditions become invalid and make above-mentioned electric power generation, when above-mentioned electricity When load is in work, above-mentioned control unit is gradually increased the generating voltage of above-mentioned motor.
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