CN105835868B - Drive dynamic control device - Google Patents
Drive dynamic control device Download PDFInfo
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- CN105835868B CN105835868B CN201610023758.6A CN201610023758A CN105835868B CN 105835868 B CN105835868 B CN 105835868B CN 201610023758 A CN201610023758 A CN 201610023758A CN 105835868 B CN105835868 B CN 105835868B
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- 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
- B60L15/2045—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 for optimising the use of 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
- 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
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
-
- 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
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint 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
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The drive dynamic control device that can steadily power to car-mounted device and motor is provided.Make vehicle (1) in the drive dynamic control device (10) of the auxiliary downward driving of the power of motor (24) in the driving of control vehicle (1), has：Main battery (21) is powered to the car-mounted device (13) of vehicle (1)；Secondary cell (22) is powered to motor (24)；Control unit (31), executes auxiliary control, and auxiliary control is to be travelled by the power-assisted vehicle (1) of motor (24)；And the charge volume test section (32) of the charge volume of detection main battery (21) and secondary cell (22), control unit (31) the main battery (21) detected by charge volume test section (32) charge volume be specified value (Jm) below when, limitation auxiliary control execution.
Description
Technical field
The present invention relates to the driving of control vehicle so that the drive control dress of the traveling by the power-assisted vehicle of motor
It sets.
Background technology
In the past, as this drive dynamic control device, following drive dynamic control device is proposed in patent document 1：Passing through
In the hybrid vehicle of the traveling of the power-assisted vehicle of motor, it is less than regulation in the charge volume for the battery powered to motor
Lower limiting value in the case of, forbid execute motor auxiliary.The drive dynamic control device forbids assisting when the charge volume of battery is few
Execution to realize the protection of battery, and inhibit excessively stepping on for gas pedal in vehicle launch, improve fuel consumption
Economy.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2005-325804 bulletins
Invention content
Problems to be solved by the invention
But drive dynamic control device described in Patent Document 1 when be applied to main battery power to car-mounted device with
When the hybrid vehicle for secondary cell this 2 kinds of batteries powered to motor, as being insufficient for the protection of battery.Tool
Body, in the case where drive dynamic control device described in Patent Document 1 is applied to hybrid vehicle, drive dynamic control device
The charge volume for being based only upon the secondary cell powered to motor determines forbidding for auxiliary control.In the auxiliary control of the drive dynamic control device
It in the execution of system, does not charge to main battery, so there is following unfavorable condition：Main battery becomes over-discharge state, it is possible to
It does not power to car-mounted device.
The present invention completes to solve the problems, such as above, problem to solve is that providing can be to vehicle-mounted dress
Set the drive dynamic control device steadily powered with motor.
The solution to the problem
To solve the above-mentioned problems, the present invention is drive dynamic control device, controls the driving of vehicle, so that above-mentioned vehicle exists
The auxiliary downward driving of motor power, above-mentioned drive dynamic control device have：1st battery is supplied to the car-mounted device of above-mentioned vehicle
Electricity；2nd battery is powered to said motor；And control unit, auxiliary control is executed, the auxiliary control is by upper
State the power-assisted above-mentioned vehicle traveling of motor, above-mentioned control unit when the charge volume of above-mentioned 1st battery is specified value or less,
By stopping power supply of above-mentioned 2nd battery to said motor, the execution of above-mentioned auxiliary control is limited.
Invention effect
According to the present invention, the drive dynamic control device that electric power is steadily provided to car-mounted device and motor can be provided.
Description of the drawings
Fig. 1 is the schematic configuration of the composition of the vehicle for the drive dynamic control device for indicating to be equipped with embodiments of the present invention
Figure.
Fig. 2 is that indicate that the electric loading of the auxiliary control of drive dynamic control device according to the embodiment of the present invention is found out auxiliary
Help the coordinate diagram of the mapping of the execution time at interval.
Fig. 3 is the flow chart of the processing of the auxiliary control for the drive dynamic control device for indicating embodiments of the present invention.
Fig. 4 is the master of the auxiliary control for the drive dynamic control device for indicating other modes according to the embodiment of the present invention
The SOC of battery finds out the coordinate diagram of the mapping of the execution time at auxiliary interval.
Fig. 5 is the processing of the auxiliary control of the drive dynamic control device for the other modes for indicating embodiments of the present invention
Flow chart.
Reference sign
1：Vehicle
10：Drive dynamic control device
11：Engine
12：Power transfer mechanism
13：Car-mounted device
14：Differential mechanism
15L：Left driving shaft
15R：Right driving axle
16L：Left driving wheel
16R：Right driving wheel
21：Main battery (the 1st battery)
22：Secondary cell (the 2nd battery)
23：Generator
24：Motor
25：ECU (drive dynamic control device)
26、27：Inverter
31：Control unit (drive dynamic control device)
32：Charge volume test section
33：Supply of electric power stop
34：Electric loading test section
35：Vehicle travels determination unit
36：Charge quantity sensor
37：Electric loading sensor
38：Vehicle-wheel speed sensor
Jm：The specified value (specified value of the 1st battery) of main battery
Js：The specified value (specified value of the 2nd battery) of secondary cell
e：Electric loading
Specific implementation mode
Referring to Fig. 1 to Fig. 3, illustrate the present invention to be installed on the drive dynamic control device 10 of embodiment of vehicle 1
Drive dynamic control device.
Illustrate to constitute first.
As shown in Figure 1, the vehicle 1 of present embodiment by comprising drive dynamic control device 10, engine 11, be attached to and start
The hybrid vehicle of the power transfer mechanism 12 and car-mounted device 13 of machine 11 and passing power is constituted.Vehicle 1 also includes
It is attached to differential mechanism 14, left driving shaft 15L, right driving axle 15R, left driving wheel 16L and the right driving of power transfer mechanism 12
Take turns 16R.
The power exported from power transfer mechanism 12 is transmitted to left driving wheel by differential mechanism 14 from left driving shaft 15L
16L, and it is transmitted to right driving wheel 16R from right driving axle 15R.
Vehicle 1 can be the so-called FF vehicles for including preposition engine pre-driver, can also be including preposition engine postposition
The so-called FR vehicles of driving, can also be the four-wheel drive vehicle of full-time four-wheel drive (4WD) etc..
Vehicle 1 can be that the power exported from engine 11 is used for left driving shaft for generating electricity, by aftermentioned motor 24
The driving of 15L and right driving axle 15R and regenerated serial mixed power vehicle can also be by aftermentioned generator 23, horse
It is used as the parallel hybrid vehicles of power source up to 24 and engine 11.
It is split by the segmentation of power division mechanism in addition, vehicle 1 can also be the power that will be exported from engine 11
(split) and distribute to generator 23, left driving wheel 16L and right driving wheel 16R driving or will be from 11 and of engine
The detatching hybrid power for the power coupling that motor 24 exports.
Drive dynamic control device 10 includes as the main battery 21 of the 1st battery, as secondary cell 22, the generator of the 2nd battery
23, motor 24, electronic control unit (ECU：Electronic Control Unit) 25 and inverter 26,27.
Main battery 21, secondary cell 22 and the ECU25 of present embodiment constitute the drive dynamic control device of the present invention.
Drive dynamic control device 10 is executed by the control of either one driving vehicle 1 in engine 11 and motor 24, and
And execute the auxiliary control for the traveling that vehicle 1 is assisted by motor 24.
Main battery 21 be connected to car-mounted device 13, including lead accumulator, lithium-ions battery of vehicle 1 etc. can discharge and
The secondary cell of charging.Main battery 21 is powered in usual traveling to car-mounted device 13.Main battery 21 passes through inverter 26 and hair
Motor 23 connects, with the power charge exported from generator 23.The terminal voltage of main battery 21 is low voltage, for example, terminal
Voltage is 12V degree.
Secondary cell 22 converts the car-mounted device of the converter and vehicle 1 of voltage by DC-DC converter (not shown) etc.
13 connections, and connect with motor 24 by inverter 27.Secondary cell 22 is connect by inverter 27 with generator 23, with from
The power charge that generator 23 exports.
Secondary cell 22, which includes Ni-MH battery, the lithium ion battery etc. powered to car-mounted device 13 and motor 24, to be put
The secondary cell of electricity and charging.The terminal voltage of secondary cell 22 is high voltage, for example, according to the various factors of motor 24 without
Together, terminal voltage is 10V~15V degree.
Generator 23 links with engine 11, passes through the dynamic power of engine 11, pair main electricity being connect with generator 23
Pond 21 and secondary cell 22 charge.Generator 23 includes following dynamotor (MG)：It not only has the function of generator, and
And there is the function for the motor for becoming the driving source for making vehicle 1 travel together.In this case, generator 23 is connected to dynamic
Force transfer mechanism 12, the power exported from generator 23 are transmitted to left driving wheel 16L and right driving by power transfer mechanism 12
Take turns 16R.
Motor 24 includes following dynamotor (MG)：It has together as the electronic of the driving source for making vehicle 1 travel
The function of the function of machine and the generator to be charged to secondary cell 22 by power generation.Motor 24 is connected to secondary cell 22, by being supplied
It should be driven from the electric power that secondary cell 22 exports, and be charged to secondary cell 22 with the electric power exported from motor 24.
Motor 24 is connected to power transfer mechanism 12, and the power exported from motor 24 is transmitted by power transfer mechanism 12
To left driving wheel 16L and right driving wheel 16R.In addition, motor 24 is connect with ECU25, is controlled and driven by ECU25.In addition, horse
Can only have the function of motor up to 24.
ECU25 includes microcomputer, which has CPU (Central Processing
Unit：Central processing unit), RAM (Random Access Memory：Random access memory), ROM (Read Only
Memory：Read-only memory), flash memory, input port, delivery outlet and network module.
ECU25 executes calculation process based on data, the program being stored in ROM.Delivery outlet be connected with engine 11,
Power transfer mechanism 12, motor 24 and inverter 26,27, export the control signal of ECU25.In addition, in the input of ECU25
Mouth is connected with charging quantity sensor 36 and electric loading sensor 37, the detection information of each sensor are sent to by input port
CPU。
ECU25 respectively constitutes control unit 31, charge volume test section 32, supply of electric power stop 33, electric loading test section 34
And vehicle travels determination unit 35.It is negative that ECU25 plays control unit 31, charge volume test section 32, supply of electric power stop 33, electricity
Carry each function in 35 each portion of test section 34 and vehicle traveling determination unit.
Above-mentioned each portion can pass through network (CAN：Controller Area Network) communication connection.Present embodiment
Control unit 31 constitute control vehicle 1 driving the present invention drive dynamic control device.
In addition, ECU25 can also have：Idle stop control unit is automatically stopped engine based on defined condition
11；And engine restarts control unit, and the engine 11 of stopping is made to restart.
Control unit 31 is as specified value Jm or less using the charge volume of the main battery 21 detected by charge volume test section 32
The execution of condition limitation auxiliary control.
In addition, when engine 11 does not work in the traveling of vehicle 1 or in parking, the generator with the connection of engine 11
23 also do not work, and do not charge from generator 23 to main battery 21 and secondary cell 22, main battery 21 and secondary cell 22 can become
The state of electric discharge.
Here, so-called " auxiliary control " refers in the present embodiment：When in the traveling of vehicle 1, exported with from motor 24
Power-assisted engine 11 work, that is, the control assisted.In addition, so-called " limitation executes " refers to following situation：Prohibit
The execution only assisted；And between aftermentioned auxiliary of the adjustment when alternately repeating the execution of auxiliary and stopping the execution of auxiliary
Every the execution time.It does not discharge from secondary cell 22 during stopping the execution of auxiliary, so secondary cell 22 can be prevented
The reduction of charge volume.In addition, can be filled from generator 23 to main battery 21 or secondary cell 22 during stopping the execution of auxiliary
Electricity can prevent the overdischarge of main battery 21 and secondary cell 22.
Need the auxiliary in present embodiment to control in the case where there sometimes：Such as slow down under steam in vehicle 1
When, the fuel cut-off for stopping the fuel supply to engine 11 has been carried out from the viewpoint of improving fuel consumption economy.When
When carrying out fuel cut-off, engine 11 becomes that the state of engine braking occurs, and engine speed declines.
When engine speed declines in the state of having carried out fuel cut-off, there is the possibility that engine stall occurs.Cause
If this, with the power-assisted engine 11 exported from motor 24, can improve combustion in the state of having carried out fuel cut-off
Material consumption economy and the generation for preventing engine stall.
In addition, auxiliary control is not limited to above-mentioned situation, can also carry out in other cases.For example, being expert in vehicle 1
Sometimes auxiliary control is also required to when restarting engine 11 from the state that engine 11 stops in the case of in sailing or stopping
System.When engine 11 restarts, in order to smoothly start and improve fuel consumption economy, until engine speed arrives
Up to egulation rotating speed, supply fuel during execute the dynamic start engine 11 export from motor 24 auxiliary control.
Control unit 31 limits the execution of auxiliary control using following situation as condition：It is detected by charge volume test section 32
Main battery 21 charge volume be specified value Jm hereinafter, the secondary cell 22 that is detected by charge volume test section 32 fill
Electricity is specified value Js or less.
Control unit 31 further stops the execution of auxiliary control using following situation as condition：Pass through charge volume test section 32
The charge volume of the main battery 21 detected is specified value Jm hereinafter, and the secondary cell that is detected by charge volume test section 32
22 charge volume is specified value Js or less.
Control unit 31 stops the supply of electric power from secondary cell 22 to motor 24 by using supply of electric power stop 33, from
And the execution of auxiliary can be limited.
In addition, in control unit 31, the electric loading e (A) detected by electric loading test section 34 is bigger, more shorten from
The time (ms) that secondary cell 22 is powered to motor 24, the thus execution of limitation auxiliary control.
Specifically, as shown in Fig. 2, electric loading e is bigger, more extend the execution time at auxiliary interval compared with when usual
(ms).Here, the execution time at auxiliary interval refers to stopping during supply of electric power of the secondary cell 22 to motor 24.In addition,
In the case of implementing auxiliary interval in the execution of auxiliary control, be 2sec when usual to 5sec degree stopping during.
In this period, holding for the auxiliary control that power and assisted engine 11 are exported from motor 24 to power transfer mechanism 12 can be stopped
Row, can inhibit the reduction of the charge volume of secondary cell 22.Moreover, the charging to main battery 21 can be executed by generator 23, can prevent
The only overdischarge of main battery 21.
That is, motor 24 does not work in the auxiliary interval, so can inhibit the current charged state for indicating secondary cell 22
(SOC：State Of Charge) so-called current remaining capacity (%) charge volume reduction, and can also inhibit
The reduction of the charge volume of the SOC (%) of main battery 21.
Charge volume test section 32 based on by the detection information that detects of quantity sensor 36 that charges, detect main battery 21 or
The charged state of either one in secondary cell 22 is output to control unit 31 as charge volume SOC (%).
The execution that supply of electric power stop 33 is forbidden assisting control or limitation auxiliary control according to control unit 31, by inversion
Device 27 disconnects, and thus stops the electric power being supplied from secondary cell 22 motor 24.
Electric loading test section 34 is applied to main electricity based on the detection information detected by electric loading sensor 37, detection
The electric loading e in pond 21, is output to control unit 31.
Vehicle travels determination unit 35 based on the detection information detected by vehicle-wheel speed sensor 38, and judgement vehicle 1 is
No traveling is output to control unit 31.
Charging quantity sensor 36 is connect with main battery 21 and secondary cell 22, including detection is flowed out among the above either one
Or the terminal voltage of either one into the current sensor, detection main battery 21 or secondary cell 22 of its electric current (A) flowed into
(V) sensors such as voltage sensor.The detection information detected is output to ECU25 by charging quantity sensor 36.
Electric loading sensor 37 is connect with car-mounted device 13, including electric loading e (A) of detection car-mounted device 13 does not scheme
The sensors such as the current sensor shown.The detection information detected is output to ECU25 by electric loading sensor 37.
As shown in Figure 1, vehicle-wheel speed sensor 38 detects the rotary speed (rpm) of right driving wheel 16R.Wheel velocity passes
Sensor 38 includes following equipment：For example, its multipole magnetized magnet is rotated with the rotation of right driving wheel 16R, use is non-contact
MR elements the variation of magnetic flux is converted into the variation of resistance and exports impulse wave.
In addition, being set to right driving wheel 16R in the present embodiment shown in Fig. 1 of vehicle-wheel speed sensor 38, but also may be used
To be set to other wheels, multiple wheels can also be set to.Alternatively, it is also possible to according to left driving shaft 15L, right driving axle 15R
Etc. drive shafts rotary speed (rpm) detection speed (km/h) vehicle speed sensor replace vehicle-wheel speed sensor 38.
The length of the execution time at specified value Jm, the specified value Js of charge volume or auxiliary interval according to type of vehicle, start
The various factors of machine and it is different, be that can suitably be selected based on empirical value, data and the desired value set.
Inverter 26 includes that the alternating current exported from generator 23 is at least converted to direct current and is supplied to main battery 21
Converter.Inverter 26 is connect with ECU25, is controlled and is driven by ECU25.
Inverter 27 includes that the direct current exported from secondary cell 22 is at least converted to direct current and is supplied to motor 24
Converter.Inverter 27 is same as inverter 26, is connect with ECU25, is controlled and is driven by ECU25.
Engine 11 include for example carry out include induction stroke, compression stroke, expansion stroke and exhaust stroke a company
Internal combustion engine well known to the 4 recycle gasoline engines of 4 strokes of string, diesel engine etc..Engine 11 can be with (not shown)
The mode of the axis of crank axle towards the vehicle width direction of vehicle 1 is installed on the transverse engine of vehicle body, can also be with crank axle
The mode in the front-back direction of axis towards vehicle 1 be installed on the longitudinal engine of vehicle body.
Power transfer mechanism 12 includes and engine 11, motor 24 and differential mechanism 14 link, carry out engine 11 and horse
The transmission mechanisms such as the planetary gear mechanism of the power segmentation, synthesis that reach.Power transfer mechanism 12 is connect with ECU25, is passed through
The control of ECU25 drives vehicle 1.In addition, power transfer mechanism 12 can also be the other structures other than planetary gear mechanism,
Such as can be the automatic transmission with torque converter.
Car-mounted device 13 is installed on vehicle 1, includes the various devices acted with the electric power supplied from main battery 21,
Such as including lighting devices such as audio device, navigation device, air-conditioning device, the display device of metrical instrument class and headlights.It is logical
It crosses car-mounted device 13 to be acted, electric loading e is applied to main battery 21.
Then, the processing of the auxiliary control in the ECU25 of present embodiment is illustrated with reference to Fig. 3.It is described below
Auxiliary control is detected when ignition switch (not shown) is opened in ECU25 and is repeated with predetermined time interval.
First, ECU25 obtains the detection information exported from vehicle-wheel speed sensor 38, and determination unit 35 is travelled by vehicle
Judge vehicle 1 whether under steam (step S1).In the case where being determined as vehicle 1 not under steam, with specific time interval
Repeat judgement until vehicle 1 becomes in traveling.
Then, in the case where ECU25 is determined as vehicle 1 under steam, the whether true (step of judgement auxiliary permissive condition
Rapid S2).So-called auxiliary permissive condition refers to the condition that whether can permit to execute the auxiliary of motor 24.The license auxiliary of control unit 31
Execution need multiple conditions all to meet.
Specifically, situation can be listed below as auxiliary permissive condition：On vehicle 1 under steam premised on (step S1),
The charge volume of the main battery 21 detected by charge volume test section 32 is more than the case where specified value Jm (A1) and passes through charge volume
The charge volume for the secondary cell 22 that test section 32 detects is more than the case where specified value Js (A2).As a result, in main battery 21 or pair
The charge volume of either one in battery 22 is to forbid the execution of auxiliary in the case of specified value is below, assists the execution quilt of control
Limitation.
In addition, situation can be listed below as auxiliary permissive condition：Gear position in power transfer mechanism 12 is in D
The case where range (A3)；The temperature (DEG C) of the cooling water of the engine 11 detected by temperature sensor (not shown) is being advised
Situation (A4) in fixed allowable range；And the temperature (DEG C) of the motor 24 detected by temperature sensor (not shown)
(A5) in defined allowable range.
Moreover, situation can be listed below as auxiliary permissive condition：It is in regulation by the engine 11 of ECU25 controls
State the case where (A6)；The case where defined state being in by the ECU25 power transfer mechanisms 12 controlled (A7)；Vehicle 1
The case where not breaking down (A8)；And executing tight this auxiliary control made above of judgement assisted from having executed
The case where acting stipulated time (sec) that have passed through and set as the execution time at auxiliary interval (A9).
ECU25 is in the case where being judged as that the full terms of above-mentioned A1 to A9 are set up by control unit 31 supplemented by judgement
It helps permissive condition to set up, so that motor 24 is executed auxiliary by control unit 31.In addition, each condition of A1 to A9 according to type of vehicle,
Engine various factors and it is different, be the appropraite condition based on empirical value, data setting, can suitably select.
Then, whether ECU25 is premised on assisting permissive condition to set up, further to can assist controlling with actual implementation
Auxiliary implementation condition whether true judged (step S3).Specifically, as auxiliary implementation condition, auxiliary can be enumerated and permitted
Can condition establishment certain time the case where.Whether timer monitor of the certain time in ECU25.
ECU25 is obtained by electric loading test section 34 from electric loading in the case where being judged to that implementation condition is assisted to set up
The detection information (step S4) for the electric loading e that sensor 37 exports calculates auxiliary interval by the mapping of Fig. 2 according to electric loading e
Time (step S5).
Then, the auxiliary interlude of calculating is set as the execution time (step S6) at auxiliary interval by ECU25.So
Afterwards, it execution times of the ECU25 based on set auxiliary interval, is powered from secondary cell 22 to motor 24 by inverter 27,
Auxiliary (step S7) is executed during stipulated time, at the end of the execution of auxiliary, makes to the processing returns to step S1, according to vehicle
1 whether under steam judgement reprocessing.
ECU25 is determined as in the case of assisting permissive condition invalid that limitation assists the execution of control in step s 2,
The execution for forbidding auxiliary to control, makes to the processing returns to step S1, is determined as the feelings for assisting implementation condition invalid in step s3
Under condition, the execution of limitation auxiliary control, that is, the execution for forbidding auxiliary to control makes to the processing returns to step S1.
The drive dynamic control device 10 of present embodiment can be obtained following because constituting as explained above ground
Effect.
The drive dynamic control device 10 of present embodiment have main battery 21, secondary cell 22, ECU25 control unit 31 and
Charge volume test section 32, control unit 31 are configured to：Charge volume with the main battery 21 detected by charge volume test section 32 is
Specified value Jm or less is condition, the execution of limitation auxiliary control.
Main battery 21 of the drive dynamic control device 10 of present embodiment to be detected by charge volume test section 32 as a result,
Charge volume be specified value Jm or less be condition, and with the charge volume of the secondary cell detected by charge volume test section 32
It is condition for specified value Js or less, the execution of limitation auxiliary control is put so can prevent main battery 21 and secondary cell 22 from becoming
Electricity.Therefore, it can steadily power to car-mounted device 13 from main battery 21 and secondary cell 22.
Moreover, the drive dynamic control device 10 of present embodiment can steadily power from secondary cell 22 to motor 24.Its result
It is that the drive dynamic control device 10 of present embodiment can execute stable auxiliary, can be stably driven with vehicle 1.
In addition, the drive dynamic control device 10 of present embodiment has the supply of electric power stopped from secondary cell 22 to motor 24
Supply of electric power stop 33.Control unit 31 is stopped by supply of electric power stop 33 from secondary cell 22 to the electric power of motor 24
Supply, the thus execution of limitation auxiliary control.
It, can be from generator 23 to main electricity as a result, in the execution for stopping auxiliary control or in the execution of limitation auxiliary control
Pond 21 or secondary cell 22 charge, so can prevent main battery 21 and secondary cell 22 from becoming overdischarge.It therefore, can be from secondary electricity
Pond 22 steadily powers to motor 24.
In addition, the drive dynamic control device 10 of present embodiment has the electric loading inspection of the electric loading of detection car-mounted device 13
Survey portion 34.In control unit 31, the electric loading e detected by electric loading test section 34 is bigger, more shortens compared with when usual
The time powered from secondary cell 22 to motor 24 extends the execution time at auxiliary interval compared with when usual.Control unit as a result,
The execution of 31 limitation auxiliary controls.
Drive dynamic control device 10 according to the present embodiment, electric loading e is bigger, more extends compared with when usual not from pair
The execution time at the auxiliary interval that battery 22 is powered to motor 24, so the reduction of the SOC of secondary cell 22 can be inhibited, it can be from pair
Battery 22 is steadily powered to motor 24.Moreover, the chance to charge from generator 23 to main battery 21 can be increased, can prevent from leading
The overdischarge of battery 21.
The drive dynamic control device 10 of present embodiment considers the decline degree of the SOC of main battery 21 according to car-mounted device
The size of 13 electric loading and different relationships are adjusted to shorten according to the size of electric loading during executing auxiliary control.By
This, the chance to charge from generator 23 to main battery 21 increases, so can steadily power to car-mounted device 13.
In addition, in the present embodiment, although changing holding for auxiliary interval according to the size of the electric loading of car-mounted device 13
The row time, but the execution time at auxiliary interval can also be changed according to the SOC of main battery 21.
Specifically, as shown in figure 4, the SOC of main battery 21 is bigger, more shorten the execution time at auxiliary interval.Pass through this
Sample can control auxiliary according to the remaining capacity of main battery 21 and implement the time, can be in the case of not excessively limitation auxiliary control
Prevent the overdischarge of main battery 21 and secondary cell 22.
The processing of the auxiliary control in the ECU25 of the other modes of this embodiment is illustrated with reference to Fig. 5.
It is detected in ECU25 and auxiliary control described below is repeated with specific time interval when ignition switch (not shown) is opened.
First, ECU25 is same as above-mentioned embodiment, and travelling determination unit 35 by vehicle judges whether vehicle 1 is expert at
In sailing (step S1).In the case where being determined as vehicle 1 not under steam, it is straight that judgement is repeated with predetermined time interval
Become in traveling to vehicle 1.
Then, in the case where being determined as vehicle 1 under steam, the full terms according to above-mentioned A1 to A9 are ECU25
Whether no establishment, judgement auxiliary permissive condition are true (step S2).
Then, ECU25 is same as above-mentioned embodiment premised on assisting permissive condition to set up, and further determines auxiliary
Help implementation condition whether true (step S3).
ECU25 obtains the main electricity exported from charging quantity sensor 36 in the case where being judged to that implementation condition is assisted to set up
The detection information in pond 21 detects the SOC (%) (step S14) of main battery 21 by charge volume test section 32.ECU25 passes through Fig. 4
Mapping according to the SOC of main battery 21 calculate auxiliary interlude (step S15).
Then, the auxiliary interlude of calculating is set as the execution time (step S16) at auxiliary interval by ECU25.
It execution times of the ECU25 based on set auxiliary interval, is powered, is being advised from secondary cell 22 to motor 24 by inverter 27
Auxiliary (step S7) is executed during fixing time, and at the end of the execution of auxiliary, makes to the processing returns to step S1, according to vehicle 1
Whether judgement under steam reprocesses.
ECU25 is determined as the execution of limitation auxiliary control in the case of assisting permissive condition invalid in step s 2, i.e.,
The execution for forbidding auxiliary to control, makes to the processing returns to step S1.ECU25 is judged to assisting implementation condition invalid in step s3
In the case of limitation auxiliary control execution, that is, forbid auxiliary control execution, make to the processing returns to step S1.
Although disclosing embodiments of the present invention, it is understood that those skilled in the art can not depart from the present invention
Range in the case of apply change.It is intended to all such modifications and equivalent being contained in protection scope of the present invention.
Claims (2)
1. a kind of drive dynamic control device, control vehicle driving, so that above-mentioned vehicle motor power auxiliary downward driving,
It is characterized in that having：
1st battery is powered to the car-mounted device of above-mentioned vehicle；
2nd battery is powered to said motor；And
Control unit executes auxiliary control, and the auxiliary controls to be travelled by the above-mentioned vehicle of the power-assisted of said motor,
Above-mentioned control unit is when the charge volume of above-mentioned 1st battery is specified value or less, by stopping above-mentioned 2nd battery to above-mentioned horse
The power supply reached limits the execution of above-mentioned auxiliary control.
2. a kind of drive dynamic control device, control vehicle driving, so that above-mentioned vehicle motor power auxiliary downward driving,
It is characterized in that having：
1st battery is powered to the car-mounted device of above-mentioned vehicle；
2nd battery is powered to said motor；And
Control unit executes auxiliary control, and the auxiliary controls to be travelled by the above-mentioned vehicle of the power-assisted of said motor,
Above-mentioned control unit when the charge volume of above-mentioned 1st battery is specified value or less, get over by the electric loading for being applied to above-mentioned 1st battery
Greatly, the time for making above-mentioned 2nd battery power to said motor is contracted shorter by above-mentioned control unit, to limit above-mentioned auxiliary control
Execution.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| JP2015018787A JP6476936B2 (en) | 2015-02-02 | 2015-02-02 | Drive control device |
| JP2015-018787 | 2015-02-02 |
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| CN105835868A CN105835868A (en) | 2016-08-10 |
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| JP (1) | JP6476936B2 (en) |
| CN (1) | CN105835868B (en) |
| DE (1) | DE102016201490B4 (en) |
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| KR101926919B1 (en) * | 2016-09-26 | 2018-12-07 | 현대자동차주식회사 | Control method for electric vehicle |
| JP7003863B2 (en) | 2018-07-20 | 2022-02-04 | トヨタ自動車株式会社 | Vehicle controls, control methods and control programs |
| JP2022002429A (en) * | 2020-06-19 | 2022-01-06 | マツダ株式会社 | Vehicular drive system |
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| CN1294064A (en) * | 1999-09-22 | 2001-05-09 | 本田技研工业株式会社 | controller of mixing power vehicle |
| DE10318882A1 (en) * | 2003-04-17 | 2004-11-04 | Volkswagen Ag | Device and method for energy management in a motor vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6476936B2 (en) | 2019-03-06 |
| DE102016201490B4 (en) | 2022-12-29 |
| JP2016144316A (en) | 2016-08-08 |
| DE102016201490A1 (en) | 2016-08-04 |
| CN105835868A (en) | 2016-08-10 |
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