CN106256630B - Power generation control device for vehicle - Google Patents

Power generation control device for vehicle Download PDF

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Publication number
CN106256630B
CN106256630B CN201610425290.3A CN201610425290A CN106256630B CN 106256630 B CN106256630 B CN 106256630B CN 201610425290 A CN201610425290 A CN 201610425290A CN 106256630 B CN106256630 B CN 106256630B
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CN
China
Prior art keywords
mentioned
speed
vehicle
electric power
motor generator
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CN201610425290.3A
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Chinese (zh)
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CN106256630A (en
Inventor
渡边辉明
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铃木株式会社
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Priority to JP2015121302A priority Critical patent/JP6485242B2/en
Priority to JP2015-121302 priority
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Publication of CN106256630A publication Critical patent/CN106256630A/en
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Publication of CN106256630B publication Critical patent/CN106256630B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/42Arrangement 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
    • B60K6/48Parallel type
    • B60K6/485Motor-assist type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08Conjoint 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/24Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
    • B60W10/26Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/30Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W20/00Control systems specially adapted for hybrid vehicles
    • B60W20/10Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/13Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
    • B60W20/14Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion in conjunction with braking regeneration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W30/00Purposes 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
    • B60W30/18Propelling the vehicle
    • B60W30/18009Propelling the vehicle related to particular drive situations
    • B60W30/18109Braking
    • B60W30/18127Regenerative braking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W40/00Estimation 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
    • B60W40/10Estimation 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
    • B60W40/105Speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/04Introducing corrections for particular operating conditions
    • F02D41/12Introducing corrections for particular operating conditions for deceleration
    • F02D41/123Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2510/00Input parameters relating to a particular sub-units
    • B60W2510/08Electric propulsion units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2510/00Input parameters relating to a particular sub-units
    • B60W2510/24Energy storage means
    • B60W2510/242Energy storage means for electrical energy
    • B60W2510/244Charge state
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2520/00Input parameters relating to overall vehicle dynamics
    • B60W2520/10Longitudinal speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/06Combustion engines, Gas turbines
    • B60W2710/0616Position of fuel or air injector
    • B60W2710/0627Fuel flow rate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/08Electric propulsion units
    • B60W2710/083Torque
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/10Change speed gearings
    • B60W2710/1005Transmission ratio engaged
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/24Energy storage means
    • B60W2710/242Energy storage means for electrical energy
    • B60W2710/248Current for loading or unloading
    • Y02T10/48
    • Y02T10/6226
    • Y02T10/6286

Abstract

The power generation control device for vehicle that can be improved fuel efficiency is provided.ECU judges whether speed is regeneration restricted speed or less (step S3) in the case where being judged as YES in fuel cut-off of the stopping to engine supply fuel (step S1).In the case where being judged as that speed is regeneration restricted speed situation below, ECU enters the regenerative electric power unrestricted model (step S4) that limitation is brought power generation by the regeneration of motor generator, reduces the voltage by the regenerated electric power of motor generator.

Description

Power generation control device for vehicle

Technical field

The present invention relates to power generation control device for vehicle.

Background technique

Stopped the fuel cut-off that fuel is supplied engine in vehicle deceleration in the past.By engine and electronic hair In the hybrid vehicle that motor is carried as driving source, in vehicle deceleration, fuel cut-off is carried out, and with when will slow down Electric power obtained from kinetic energy regeneration carries out the charging of battery.

For above-mentioned vehicle, propose following technology in patent document 1: such as vehicle is subtracted in low vehicle speed range Speed when driving, in the case where being not carried out fuel cut-off, stops regeneration in the work for detecting brake, thus inhibits low The fluctuation of the rotation speed of engine in vehicle speed range.

In addition, proposing following technology in patent document 2: when vehicle accelerates, stopping fuel cut-off and start again at Fuel is supplied to engine, and postpones compared with the stopping of fuel cut-off and stops regeneration, generation when thus will start to accelerate Superfluous torque be used as regenerative torque.

Existing technical literature

Patent document

Patent document 1: special open 2003-061211 bulletin

Patent document 2: special open 2002-166754 bulletin

Summary of the invention

Problems to be solved by the invention

But propose in patent document 1 the prior art has the following problems: the stopping when being not carried out fuel cut-off Regeneration, therefore in the case where being generated electricity after stopping regeneration according to the state of vehicle by the output of engine, in order to full The generating voltage of motor generator when foot stopping fuel cut-off, needs to supply a large amount of fuel to engine, fuel efficiency can dislike Change.

In addition, what is proposed in patent document 2 cuts the prior art has the following problems: stopping fuel before stopping regenerating It is disconnected, therefore the effect for regenerating caused fuel efficiency is deteriorated, fuel efficiency deteriorates.

Therefore, the present invention was completed to solve the above problem, and its purpose is to provide can be improved fuel efficiency Power generation control device for vehicle.

The solution to the problem

One mode of the power generation control device for vehicle of the invention to solve the above problems is that vehicle is filled with Generation Control Be arranged in the vehicle with internal combustion engine and motor generator, have: fuel supplies stop, in vehicle deceleration, and When the speed of above-mentioned vehicle is that the supply of defined fuel restores speed or less, stop supplying fuel to internal combustion engine;And power generation electricity Force control unit, control above-mentioned motor generator by internal combustion engine output driving when the electric power that generates, and the electronic hair of control The electric power generated when the kinetic energy that motor regenerative vehicle generates when slowing down, generation power control unit is in vehicle deceleration, and vehicle Speed be regeneration restricted speed below and above-mentioned regeneration restricted speed be greater than above-mentioned fuel supply restore speed when, reduce by electricity The voltage of the dynamic regenerated electric power of generator.

Invention effect

The present invention is capable of providing the power generation control device for vehicle that fuel efficiency can be improved.

Detailed description of the invention

Fig. 1 is the main portion for indicating the vehicle of the power generation control device for vehicle equipped with the 1st embodiment of the invention The composition figure divided.

Fig. 2 is to indicate that the regenerative electric power of the power generation control device for vehicle of the 1st embodiment of the invention allows to determine to move The flow chart of work.

Fig. 3 is to indicate that the regenerative electric power execution of the power generation control device for vehicle of the 1st embodiment of the invention acts Flow chart.

Fig. 4 is the concept map for the effect for illustrating the power generation control device for vehicle of the 1st embodiment of the invention.

Fig. 5 is to indicate that the regenerative electric power execution of the power generation control device for vehicle of the 2nd embodiment of the invention acts Flow chart.

Fig. 6 is the concept map for the effect for illustrating the power generation control device for vehicle of the 2nd embodiment of the invention.

Description of symbols

1 vehicle

2 engines (internal combustion engine)

4 motor generators

5 speed changers

7 batteries (electrical storage device)

30 fuel supply stop

31 generation power control units

32 regeneration restricted speed configuration parts

Specific embodiment

Hereinafter, being described with reference to embodiments of the present invention.

(the 1st embodiment)

Hereinafter, the vehicle of power generation control device for vehicle of the explanation equipped with the 1st embodiment of the invention.

As shown in Figure 1, the engine 2 of vehicle 1 including internal combustion engine type, by belt 3 etc. rotating the output shaft of engine 2 Motor generator 4, speed changer 5, ECU (the Electronic Control of speed change are carried out to the power that is exported by engine 2 Unit: electronic control unit) 6 and as electrical storage device battery 7.

Multiple cylinders are formed in engine 2.In the present embodiment, engine 2 carries out each cylinder to include air inlet A series of 4 stroke of stroke, compression stroke, expansion stroke and exhaust stroke.

Motor generator 4 is driven by electricity by what is supplied from battery 7, thus as rotating the output shaft of engine 2 Motor functions.In addition, motor generator 4 is driven by the output shaft of engine 2, thus battery 7 is filled as generation The generator of the electric power of electricity functions.

ECU6 is made of computer unit, and above-mentioned computer unit has: CPU (Central Processing Unit: Central processing unit), RAM (Random Access Memory: random access memory), ROM (Read Only Memory: Read-only memory), save backup data etc. flash memory, input port and output port.

In the ROM of computer unit in store various constants or it is various mapping etc. and for make the computer unit make The program functioned for ECU6.That is, CPU executes the program that is saved by ROM by operating area of RAM, the thus computer list Member is functioned as the ECU6 of present embodiment.

The input port of ECU6 is connected to various sensor classes, and above-mentioned various sensor classes include detecting the speed of vehicle 1 Vehicle speed sensor 11, detect speed changer 5 gear ratio gear ratio sensor 12 and detection battery 7 in flow into, outflow Electric current current sensor 13.

The rotation speed of the detection of gear ratio the sensor 12 such as input shaft of speed changer 5 and output shaft.ECU6 is according to by becoming The ratio between the input shaft for the speed changer 5 that speed ratio sensor 12 detects and the rotation speed of output shaft calculate the gear ratio of speed changer 5.

The output port of ECU6 is connected to motor generator 4 and includes the fuel injector 21 for supplying engine 2 fuel Various control object classes.ECU6 controls various control object classes based on the information obtained from various sensor classes.

Such as ECU6 has as stopping supplying engine 2 fuel when vehicle 1 slows down up to the speed of vehicle 1 becomes Defined fuel supply restores the function of speed fuel supply stop 30 below.Fuel supply, which restores speed, to be started to hair Motivation 2 supply fuel speed so that engine 2 will not stall, value is the appropriate value being determined by experiment in advance.

ECU6 constitutes generation power control unit 31, the control of above-mentioned generation power control unit 31 by the output of engine 2 come Driving motor generator 4 to generate electric power and by motor generator 4 make vehicle 1 slow down when kinetic energy regeneration to generate Electric power.

For example, ECU6 controls the exciting current for driving motor generator 4, thus controls and generated by motor generator 4 Electric power voltage.

ECU6 becomes the regeneration limitation for being set higher than fuel supply and restoring speed with the speed of vehicle 1 when the deceleration of vehicle 1 The following are conditions for speed, reduce the voltage by the regenerated electric power of motor generator 4.

In detail, as regeneration restricted speed, the following are conditions with the speed of vehicle 1 when the deceleration of vehicle 1 by ECU6, reduce By the voltage of the regenerated electric power of motor generator 4, when so that the speed that the voltage becomes vehicle 1 becoming fuel supply recovery speed Target voltage.

The regeneration restricted speed that the gear ratio of the in store speed changer 5 of the ROM of ECU6 is mapped with regeneration restricted speed reflects It penetrates.ECU6 constitutes regeneration restricted speed configuration part 32, and above-mentioned regeneration restricted speed configuration part 32 is mapped referring to regeneration restricted speed, And regeneration restricted speed is determined according to the gear ratio of the speed changer 5 obtained from the testing result of gear ratio sensor 12.

In the case that when vehicle 1 slows down, the speed of vehicle 1 is higher than regeneration restricted speed in this way, ECU6 allows based on electronic The exciting current of motor generator 4 is set as substantial maximum value, is made by motor generator 4 by the regenerated power generation of generator 4 Kinetic energy when vehicle 1 slows down is regenerated and is generated electricity.

On the other hand, when vehicle 1 slows down, the speed of vehicle 1 is ECU6 limitation in regeneration restricted speed situation below Regenerated power generation based on motor generator 4, and according to the exciting current of the operating condition of vehicle 1 control motor generator 4, control The voltage of the electric power generated by motor generator 4 is made, so that the speed that the voltage becomes vehicle 1 becomes fuel supply and restores speed When target voltage.

Allow acts of determination referring to Fig. 2 regenerative electric power for illustrating that the ECU6 of above-mentioned composition is carried out.In addition, from the starting of ECU6 Regenerative electric power described below is repeated until being accomplished to stopping allows acts of determination.

Engine 2 is supplied in the fuel cut-off of fuel (step S1) firstly, ECU6 judges whether to be off.It is being judged as Be in fuel cut-off in the case where, ECU6 is referring to regeneration restricted speed mapping, and according to the detection knot from gear ratio sensor 12 The gear ratio for the speed changer 5 that fruit obtains determines regeneration restricted speed (step S2).

Then, ECU6 judges whether the speed detected by vehicle speed sensor 11 is regeneration restricted speed or less (step S3).Be judged as in step sl not be in fuel cut-off in the case where, or be judged as in step s3 by vehicle speed sensor 11 The speed detected is in regeneration restricted speed situation below, and ECU6 enters regenerated hair of the limitation based on motor generator 4 The regenerative electric power unrestricted model (step S4) of electricity terminates regenerative electric power permission acts of determination.

It in step s3, is regeneration restricted speed feelings below being judged as the speed detected by vehicle speed sensor 11 not Under condition, ECU6, which enters, allows the regenerative electric power of the regenerated power generation based on motor generator 4 to allow mode (step S5), will regenerate Power generation allows acts of determination to terminate.

Next, executing movement referring to Fig. 3 regenerative electric power for illustrating that ECU6 is carried out.In addition, regenerative electric power described below Execution movement can both be executed after performing the regenerative electric power illustrated referring to Fig. 2 permission acts of determination by ECU6, can also be with Regenerative electric power allows acts of determination concurrently to be repeated by ECU6.

Firstly, ECU6 judges whether it is that regenerative electric power allows mode (step S11).Allow mould being judged as YES regenerative electric power In the case where formula, using the exciting current of motor generator 4 as substantial maximum value, execution is made ECU6 by motor generator 4 The regenerated regenerative electric power (step S12) of kinetic energy when vehicle 1 slows down terminates regenerative electric power execution movement.

In the case where being judged as is not regenerative electric power permission mode, ECU6 is limited based on the regenerated of motor generator 4 Power generation controls the exciting current of motor generator 4 according to the operating condition of vehicle 1, executes what control was generated by motor generator 4 The weak power generation of the voltage of electric power, so that the speed that the voltage becomes vehicle 1 becomes target voltage when fuel supply restores speed (step S13) terminates regenerative electric power execution movement.

Illustrate the effect that regenerative electric power described above allows acts of determination and regenerative electric power execution to act referring to Fig. 4.

In the coordinate diagram indicated with appended drawing reference 50, the longitudinal axis indicates speed, and horizontal axis indicates the moment.With appended drawing reference 51 In the coordinate diagram of expression, the longitudinal axis indicates that the voltage of the electric power generated by motor generator 4, horizontal axis indicate the moment.In addition, using attached drawing The dotted line that label 52 indicates is due to being comparison other, so indicating the electric power generated in existing control by motor generator 4 Voltage variation.

Fig. 4 is indicated since slowing down vehicle 1 and executes the state of fuel cut-off.That is, outside the figure more forward than moment t1 Moment, vehicle 1 slow down, and execute fuel cut-off.

In moment t1, if the speed of vehicle 1 become regeneration restricted speed hereinafter, if ECU6 from regenerative electric power allow mode Become regenerative electric power unrestricted model, the voltage of the electric power generated by motor generator 4 is controlled, so that the voltage becomes in moment t2 The speed of vehicle 1 becomes target voltage when fuel supply restores speed.

The variation of torque caused by the variation sharply of 4 bring load of electrical generation of motor generator in order to prevent, ECU6 are logical Crossing integration control makes the voltage of the electric power generated by motor generator 4 move closer to target voltage.

As in Fig. 4 shown in arrow 53, when the speed of moment t2 vehicle 1 becomes fuel supply recovery speed, with Existing control is compared, and the voltage of the electric power generated by motor generator 4 is lower, therefore when stopped fuel cut-off, in order to The amount of fuel required for the voltage of the electric power generated as motor generator 4 is maintained to reduce.

As it appears from the above, in the present embodiment, being become with the speed of the vehicle 1 when vehicle 1 slows down and being set higher than fuel The following are conditions for the regeneration restricted speed of supply recovery speed, reduce the voltage by the regenerated electric power of motor generator 4.

In particular, in the present embodiment, being become with the speed of the vehicle 1 when vehicle 1 slows down and being set higher than fuel confession Should restoring the regeneration restricted speed of speed, the following are conditions, the voltage by the regenerated electric power of motor generator 4 are reduced, so that the electricity Press to target voltage of the speed of vehicle 1 as fuel supply recovery speed when.

Therefore, in the present embodiment, when stopped fuel cut-off, can reduce to be produced by motor generator 4 The voltage of raw electric power is set as the amount of fuel required for target voltage, and becomes fuel supply in the speed of vehicle 1 and restore Speed and engine 2 start the variation that load is able to suppress when idling.

In addition, in the present embodiment, setting regeneration restricted speed according to the gear ratio of speed changer 5, therefore can be opposite It is set as optimum value for restricted speed is regenerated in the gear ratio of speed changer 5.

(the 2nd embodiment)

Second embodiment of the present invention illustrates and the difference of the 1st embodiment of the invention.In addition, this implementation Mode can be made up of identical with the 1st embodiment of the invention hardware and realize, therefore be also on one side referring to Fig.1 one While illustrating present embodiment.

The program that the ROM by ECU6 of present embodiment is saved is different from the 1st embodiment of the invention.Specifically, In the present embodiment, there is following function other than ECU6 function possessed by the ECU6 of the 1st embodiment of the invention: When vehicle 1 slows down the speed of vehicle 1 be regenerate the charge capacity of restricted speed or less and battery 7 be regulation amount of savings hereinafter, I.e. Generation Control execute condition it is invalid in the case where, forbid motor generator 4 generate electricity.Regulation amount of savings is pre- to first pass through experiment Determining appropriate value.

In the present embodiment, the accumulative electric current detected by current sensor 13 of ECU6, thus calculates the storage of battery 7 Electricity.

The regenerative electric power that ECU6 about above-mentioned composition is carried out allows acts of determination, with the regenerative electric power illustrated referring to Fig. 2 Allow acts of determination identical, and the description is omitted.

Next, executing movement referring to Fig. 5 regenerative electric power for illustrating that ECU6 is carried out.In addition, regenerative electric power described below Execution movement can be executed after performing the regenerative electric power illustrated referring to Fig. 2 permission acts of determination by ECU6, can also with again Hair tonic electricity allows acts of determination concurrently to be repeated by ECU6.

Firstly, ECU6 judges whether it is that regenerative electric power allows mode (step S21).Allow mould being judged as YES regenerative electric power In the case where formula, using the exciting current of motor generator 4 as substantial maximum value, execution is made ECU6 by motor generator 4 The regenerated regenerative electric power (step S22) of kinetic energy when vehicle 1 slows down terminates regenerative electric power execution movement.

In the case where being judged as is not regenerative electric power permission mode, ECU6 judges whether Generation Control executes condition true (step S23).In the case where being judged as that Generation Control executes condition establishment, ECU6 limits the regeneration based on motor generator 4 Power generation, according to the operating condition of vehicle 1 control motor generator 4 exciting current, execute control generated by motor generator 4 Electric power voltage weak power generation so that the voltage become vehicle 1 speed become fuel supply restore speed when target electricity It presses (step S24), regenerative electric power execution movement is terminated.

In the case where being judged as that Generation Control execution condition is invalid, ECU6 forbids the (step that generated electricity by motor generator 4 S25), regenerative electric power execution movement is terminated.

Illustrate the effect that regenerative electric power described above allows acts of determination and regenerative electric power execution to act referring to Fig. 6.

In the coordinate diagram indicated with appended drawing reference 60, the longitudinal axis indicates speed, and horizontal axis indicates the moment.With appended drawing reference 61 In the coordinate diagram of expression, the longitudinal axis indicates that the voltage of the electric power generated by motor generator 4, horizontal axis indicate the moment.In addition, using attached drawing The dotted line that label 62 indicates indicates to control the electricity generated by motor generator 4 by existing due to being comparison other The variation of the voltage of power.

Fig. 6 is indicated since slowing down vehicle 1 and executes the state of fuel cut-off.That is, outside the figure more forward than moment t11 Moment, vehicle 1 slow down, and execute fuel cut-off.

In moment t11, when the speed of vehicle 1 becomes regeneration restricted speed or less, Generation Control execute condition not at In the case where vertical, ECU6 enters the power generation prohibited mode for forbidding being generated electricity by motor generator 4.

In power generation prohibited mode, in order to prevent caused by the variation sharply of 4 bring load of electrical generation of motor generator The variation of torque, ECU6 make the voltage of the electric power generated by motor generator 4 move closer to 0 by integration control.

In moment t12, the speed of vehicle 1 becomes fuel supply and restores speed, later, in moment t13, if Generation Control Execution condition is set up, then ECU6 enters regenerative electric power unrestricted model, is controlled such that the electric power generated by motor generator 4 Voltage become target voltage.

As used in Fig. 6 shown in arrow 63, when the speed of moment t12 vehicle 1 becomes fuel supply recovery speed, with Existing control is compared, and the voltage of the electric power generated by motor generator 4 is lower, therefore when stopped fuel cut-off, in order to The amount of fuel required for the voltage of the electric power generated as motor generator 4 is maintained to reduce.

As it appears from the above, effect identical with the 1st embodiment of the invention can be obtained in present embodiment, and in battery When 7 charge capacity is more than regulation amount of savings, motor generator 4 is forbidden to generate electricity, therefore overcharging for battery 7 can be prevented.

More than, embodiments of the present invention are disclosed, but certainly can be right without departing from the scope of the invention The additional change of present embodiment.Before being contained in to have added the equivalent of above-mentioned change and being in invention documented by claims It mentions and open embodiments of the present invention.

Claims (3)

1. a kind of power generation control device for vehicle, which has internal combustion engine and motor generator, has:
Fuel supplies stop, stops in above-mentioned vehicle deceleration to above-mentioned internal combustion engine supply fuel until the speed of above-mentioned vehicle Degree becomes the supply of defined fuel and restores speed or less;And
Generation power control unit, control above-mentioned motor generator by above-mentioned internal combustion engine output driving when the electric power that generates, And the above-mentioned motor generator of control regenerates the electric power generated when the kinetic energy generated when above-mentioned vehicle deceleration,
Above-mentioned power generation control device for vehicle is characterized in that,
Above-mentioned generation power control unit in above-mentioned vehicle deceleration, and the speed of above-mentioned vehicle be regeneration restricted speed below and When above-mentioned regeneration restricted speed is greater than above-mentioned fuel supply recovery speed, it is set as reducing by the regenerated electricity of above-mentioned motor generator The regenerative electric power unrestricted model of the voltage of power is above-mentioned combustion in the speed of above-mentioned vehicle in above-mentioned regenerative electric power unrestricted model When material supply restores speed or less, make to move closer to defined target value by the voltage of the regenerated electric power of above-mentioned motor generator.
2. power generation control device for vehicle according to claim 1, wherein
Also there is above-mentioned vehicle the power to the output of above-mentioned internal combustion engine to carry out the speed changer of speed change, be also equipped with according to above-mentioned speed changer Gear ratio set the regeneration restricted speed configuration part of above-mentioned regeneration restricted speed.
3. according to claim 1 or power generation control device for vehicle as claimed in claim 2, wherein
The electrical storage device for the electric power that also there is above-mentioned vehicle savings to be generated by above-mentioned motor generator,
Above-mentioned generation power control unit forbids above-mentioned motor generator to send out in the case where Generation Control execution condition is invalid Electricity,
Above-mentioned Generation Control executes condition in above-mentioned vehicle deceleration, and the speed of above-mentioned vehicle is above-mentioned regeneration restricted speed Below and the charge capacity of above-mentioned electrical storage device is set up in regulation amount of savings situation below.
CN201610425290.3A 2015-06-16 2016-06-15 Power generation control device for vehicle CN106256630B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000184510A (en) * 1998-12-18 2000-06-30 Honda Motor Co Ltd Controller of hybrid vehicle
JP2003175746A (en) * 2001-12-10 2003-06-24 Honda Motor Co Ltd Power transmission controller for vehicle
JP2004248472A (en) * 2003-02-17 2004-09-02 Nissan Motor Co Ltd Controller for hybrid vehicle
JP2014012465A (en) * 2012-07-04 2014-01-23 Hitachi Automotive Systems Ltd On-vehicle electric power control device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3129290B2 (en) * 1998-07-13 2001-01-29 株式会社デンソー Control device for hybrid electric vehicle
JP3812639B2 (en) 2000-11-30 2006-08-23 三菱自動車工業株式会社 Control device for hybrid vehicle
JP4260385B2 (en) 2001-08-20 2009-04-30 本田技研工業株式会社 Control device for hybrid vehicle
JP2009023496A (en) * 2007-07-19 2009-02-05 Hino Motors Ltd Regenerative control device and hybrid car
JP5332685B2 (en) * 2009-02-13 2013-11-06 日産自動車株式会社 Regenerative control device for vehicle and regenerative control method for vehicle
JP5067445B2 (en) * 2010-06-11 2012-11-07 トヨタ自動車株式会社 Vehicle control device and vehicle control method
JP5645124B2 (en) * 2011-01-21 2014-12-24 スズキ株式会社 Series hybrid vehicle control system
JP5929077B2 (en) * 2011-09-29 2016-06-01 スズキ株式会社 Drive controller for series hybrid vehicle
JP5970774B2 (en) * 2011-10-27 2016-08-17 スズキ株式会社 Battery protection device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000184510A (en) * 1998-12-18 2000-06-30 Honda Motor Co Ltd Controller of hybrid vehicle
JP2003175746A (en) * 2001-12-10 2003-06-24 Honda Motor Co Ltd Power transmission controller for vehicle
JP2004248472A (en) * 2003-02-17 2004-09-02 Nissan Motor Co Ltd Controller for hybrid vehicle
JP2014012465A (en) * 2012-07-04 2014-01-23 Hitachi Automotive Systems Ltd On-vehicle electric power control device

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