CN106976456A - Hybrid-vehicle control method and device - Google Patents
Hybrid-vehicle control method and device Download PDFInfo
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- CN106976456A CN106976456A CN201610025519.4A CN201610025519A CN106976456A CN 106976456 A CN106976456 A CN 106976456A CN 201610025519 A CN201610025519 A CN 201610025519A CN 106976456 A CN106976456 A CN 106976456A
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- 238000000034 method Methods 0.000 title claims abstract description 78
- 230000008569 process Effects 0.000 claims abstract description 53
- 230000003247 decreasing effect Effects 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 17
- 230000009467 reduction Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/24—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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/105—Output torque
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
A kind of hybrid-vehicle control method and device, methods described include：Obtain vehicle current operating state；When the vehicle there is currently coaxial downshift request or other operation requests of driver are received in shift process, control motor provides the moment of torsion for being switched to and being increased or decreased needed for target gear.Using methods described and device, the shift time of DCT vehicles can be reduced, improves the ride comfort of vehicle in shift process.
Description
Technical field
The present invention relates to field of vehicle control, more particularly to a kind of hybrid-vehicle control method and device.
Background technology
Hybrid vehicle (Hybrid Vehicle) refer to driver for vehicle by it is multiple can be while operating
The vehicle that single drive system is constituted jointly, the road horsepower of vehicle according to actual vehicle running state by
Single drive system is separately or cooperatively provided.Usually said hybrid vehicle generally refers to oily electricity mixing
Power vehicle (Hybrid Electric Vehicle, HEV), i.e., made using traditional internal combustion engine and motor
For power source.
Double-clutch automatic transmission (Dual Clutch Transmission, DCT) in shift process,
Power is uninterrupted, and oil consumption is relatively low, has become the preferred automatic transmission of Current vehicle.It is conventionally employed
DCT vehicle is in shift process, and it is longer shift time often occur, the problem of ride comfort is not good.
The content of the invention
What the embodiment of the present invention was solved is how to reduce the shift time of DCT vehicles, is improved in shift process
The problem of ride comfort of vehicle.
To solve the above problems, the embodiment of the present invention provides a kind of hybrid-vehicle control method, including：
Obtain vehicle current operating state；When the vehicle there is currently coaxial downshift request or in shift process
When receiving other operation requests of driver, control motor, which is provided, is switched to increase needed for target gear
Or the moment of torsion of reduction.
Optionally, when the vehicle there is currently coaxial downshift request, control motor provides switching
Increased moment of torsion needed for target gear, including：Obtain moment of torsion needed for target gear；The mixing is dynamic
Power automobile gear level reduces a gear；After the motor vehicle driven by mixed power reduces a gear, where calculating
The corresponding output torque of gear；Control moment of torsion and the place needed for the motor output target gear
The difference of the corresponding output torque of gear.
Optionally, it is described when the vehicle receives other operation requests of driver in shift process
Control motor provides the moment of torsion for being switched to and being increased or decreased needed for target gear, including：When receiving
Driver other operation requests when including gear shift operation request, obtain moment of torsion needed for target gear；When
When moment of torsion needed for the target gear is more than current gear corresponding output torque, control motor output
The difference of moment of torsion needed for the target gear and the corresponding output torque of the current gear；When the target shift
When moment of torsion is less than current gear corresponding output torque needed for position, control motor output torque reduces,
The output torque that the motor reduces is equal to the corresponding output torque of the current gear and the target
The difference of moment of torsion needed for gear.
Optionally, after gear shift operation request is received, in addition to：Detect current gear shift operation whether
Through completing；When current gear shift operation has been completed, the gear shift operation request is performed；In current gearshift behaviour
When carrying out, then according to after the completion of the gear shift operation currently carried out to received gear shift operation please
Seek carry out gear shift operation.
Optionally, the hybrid-vehicle control method also includes：When the motor vehicle driven by mixed power is in
During speed operation, the motor vehicle driven by mixed power accumulator electric-quantity is obtained；When the battery electric quantity is higher than default
During electricity, the motor output torque is controlled, drives the motor vehicle driven by mixed power to be in 2 grades of travelings.
The embodiment of the present invention additionally provides another hybrid-vehicle control method, including：Obtain vehicle
Current operating state；When the motor vehicle driven by mixed power is in speed operation, the hybrid electric vehicle is obtained
Accumulator electric-quantity；
When the battery electric quantity is higher than default electricity, motor output torque is controlled, is driven described mixed
Close power car and be in 2 grades of travelings.
The embodiments of the invention provide a kind of hybrid vehicle start stop control device, including：
First acquisition unit, for obtaining vehicle current operating state；First control unit, for working as
Vehicle is stated to there is currently coaxial downshift request or receive other operation requests of driver in shift process
When, control motor provides the moment of torsion for being switched to and being increased or decreased needed for target gear.
Optionally, first control unit is used for：When the vehicle there is currently coaxial downshift request,
Obtain moment of torsion needed for target gear；The motor vehicle driven by mixed power gear is reduced into a gear；Described mixed
Closing power car reduces after a gear, the corresponding output torque of gear where calculating；Control motor
The difference of the output torque corresponding with the place gear of moment of torsion needed for exporting the target gear.
Optionally, first control unit is used for：When the vehicle receives driving in shift process
Other operation requests of member, and the driver received other operation requests are when including gear shift operation and asking,
Obtain moment of torsion needed for target gear；Moment of torsion is more than the corresponding output of current gear needed for the target gear
During moment of torsion, moment of torsion needed for control motor exports the target gear is corresponding with the current gear defeated
Go out the difference of moment of torsion；When the output torque corresponding less than current gear of moment of torsion needed for the target gear, control
Motor output torque processed reduces, and the output torque that the motor reduces is equal to the current gear
The difference of moment of torsion needed for corresponding output torque and the target gear.
Optionally, the hybrid vehicle start stop control device also includes：Shift control unit, for detecting
Whether current gear shift operation has completed；When current gear shift operation has been completed, the gear shift operation is performed
Request；When current gear shift operation is carried out, then according to after the completion of the gear shift operation currently carried out to institute
The gear shift operation request received carries out gear shift operation.
Optionally, the hybrid vehicle start stop control device also includes：Second control unit, for working as
When stating motor vehicle driven by mixed power in speed operation, the motor vehicle driven by mixed power accumulator electric-quantity is obtained；Work as institute
When stating battery electric quantity higher than default electricity, the motor output torque is controlled, drives the mixing to move
Power vehicle is in 2 grades of travelings.
The embodiment of the present invention additionally provides another hybrid vehicle start stop control device, including：Second obtains
Unit, for obtaining vehicle current operating state；3rd acquiring unit, for when the hybrid electric vehicle
When being in speed operation, the motor vehicle driven by mixed power accumulator electric-quantity is obtained；3rd control unit, is used
In when the battery electric quantity is higher than default electricity, motor output torque is controlled, the mixing is driven
Power car is in 2 grades of travelings.
Compared with prior art, the technical scheme of the embodiment of the present invention has advantages below：
When vehicle has coaxial downshift request, or receive in shift process other operation requests of driver
When, provided by motor and be switched to the moment of torsion increased or decreased needed for target gear, i.e. target gear
When required moment of torsion is larger, by controlling motor to provide increased moment of torsion；The moment of torsion needed for target gear
When smaller, by controlling motor to reduce the moment of torsion provided, without exporting phase by gear switch
The moment of torsion answered, so as to reduce shift time, improves the ride comfort of vehicle in shift process.
When motor vehicle driven by mixed power is in speed operation, and motor vehicle driven by mixed power accumulator electric-quantity is higher than default electricity
During amount, control motor vehicle driven by mixed power is in 2 grades of travelings, and 2 grades are switched to so as to save from 1 grade
Time, further improve the ride comfort of vehicle in shift process.
Brief description of the drawings
Fig. 1 is a kind of flow chart of hybrid-vehicle control method in the embodiment of the present invention；
Fig. 2, which is existing a kind of 6 grades, is down to 4 grades of coaxial downshift process schematic；
Fig. 3 is the coaxial downshift process schematic that a kind of 6 grades in the embodiment of the present invention are down to 4 grades；
Fig. 4 is shift process schematic diagram when other operation requests are received in a kind of existing shift process；
Fig. 5 is gearshift when other operation requests are received in a kind of shift process in the embodiment of the present invention
Process schematic；
Fig. 6 is shift process schematic diagram when a kind of existing vehicle is in lower-speed state；
Fig. 7 is shift process schematic diagram when a kind of vehicle in the embodiment of the present invention is in lower-speed state；
Fig. 8 is the flow chart of another hybrid-vehicle control method in the embodiment of the present invention；
Fig. 9 is a kind of structural representation of hybrid vehicle start stop control device in the embodiment of the present invention；
Figure 10 is the structural representation of another hybrid vehicle start stop control device in the embodiment of the present invention.
Embodiment
Existing use DCT vehicle is in shift process, and it is longer shift time often occur, smooth-going
The problem of property is not good.For example, when driver step on the throttle the aperture of pedal be more than certain value when, according to changing
Gear figure, calculates the demand that there is currently and coaxially downshift.By exemplified by 6 grades are down to 4 grades, first by shelves
Gear is down to 4 grades again afterwards, there is the problem of shift time is longer by potential drop to 5 grades.And for example, drive
The person of sailing frequently steps on accelerator releasing, gear box control unit (TCU) upshift of stepping on the gas, without throttle upshift,
Step on the gas and downshift and without frequent switching between throttle downshift, there is shift shock in shift process, lead
Cause vehicle ride comfort poor.
In embodiments of the present invention, when vehicle has coaxial downshift request, or received in shift process
During other operation requests of driver, it is switched to needed for target gear and is increased or decreased by motor offer
Moment of torsion, i.e., when moment of torsion needed for target gear is larger, by controlling motor to provide increased moment of torsion；
When moment of torsion needed for target gear is smaller, by controlling motor to reduce the moment of torsion provided, without logical
Cross gear switch to export corresponding moment of torsion, so as to reduce shift time, improve car in shift process
Ride comfort.
It is understandable to enable the above-mentioned purpose of the embodiment of the present invention, feature and advantage to become apparent, tie below
Accompanying drawing is closed to be described in detail the specific embodiment of the present invention.
The embodiments of the invention provide a kind of hybrid-vehicle control method, reference picture 1, below by way of tool
Body step is described in detail.
Step S101, obtains vehicle current operating state.
In specific implementation, vehicle work at present shape can be obtained by gathering the signal of each sensor
State.In embodiments of the present invention, when TCU, which detects vehicle, there is coaxial downshift request, or detect
When other operation requests of driver are received in shift process, step S102 can be performed.
Step S102, drives when the vehicle there is currently coaxial downshift request or be received in shift process
During other operation requests of the person of sailing, control motor, which is provided, is switched to what is increased or decreased needed for target gear
Moment of torsion.
In specific implementation, it can detect that vehicle currently whether there is coaxial downshift request by TCU, with
And whether detection detects other operation requests of driver in shift process.Work as when TCU detects vehicle
Before when there is coaxial downshift request or other operation requests of driver received in shift process, pass through
HCU control motors provide the moment of torsion for being switched to the required increase of target gear or reduction.That is,
The action that driver currently performs is detected by TCU, currently performed by HCU to respond driver
Action.
, can according to default gearshift map when the aperture for the gas pedal that driver steps on is more than certain value
The demand coaxially downshifted is there is currently to calculate.For example, gas pedal aperture is more than 80%, then basis
Gearshift map can calculate the demand for learning and there is currently and coaxially downshifting.In actual applications, coaxial downshift is
Refer to：Motor vehicle driven by mixed power continuously reduces by two gears from current gear A to target gear C.For example, working as
Preceding gear is 6 grades, then coaxial downshift refers to gear being down to 4 grades from 6 grades.
In embodiments of the present invention, when detecting motor vehicle driven by mixed power and there is currently coaxial downshift request,
The gear of motor vehicle driven by mixed power first can be reduced into a gear from current gear A.Reducing a gear
Afterwards, motor vehicle driven by mixed power is in gear B.Now, and do not continue to gear being reduced to mesh from gear B
Gear C is marked, but calculates motor vehicle driven by mixed power and is in output torque N required during target gear CC,
The corresponding output torque N of gear B are calculated againB.Because now motor vehicle driven by mixed power gear is in gear B,
NBLess than NC, can be now (N by motor offer value thereforeC-NB) output torque, i.e.,
Output torque is provided by motor so that the corresponding output torques of gear B are NB+(NC-NB)=NC。
In other words, motor output torque is passed through so that total torsion that motor vehicle driven by mixed power is exported in gear B
Square output torque corresponding with gear C is equal.
In an embodiment of the present invention, by it is coaxial downshift be exemplified by 6 grades are down to 4 grades, to above-mentioned downshift
Process is illustrated.
When calculating present hybrid vehicle in the presence of the demand coaxially downshifted, HCU calculates hybrid power
Vehicle is in output torque N at 4 grades4, and motor vehicle driven by mixed power be in 5 grades when output torque N5。
Gear is down to 5 grades from 6 grades, is (N by motor output valve4-N5) moment of torsion so that mixed
The total torque that conjunction power car is exported at 5 grades is equal with output torque at 4 grades.
In practical operation, using the downshift method in the embodiment of the present invention, whole coaxial downshift process can
To be described as follows：1) 5 grades of shift fork pre-engagements；2) clutch is interacted；3) 6 grades of shift forks are disengaged.When 6
After shelves shift fork is disengaged, vehicle is in 5 grades of stable transport conditions, now, because motor output is corresponding
Moment of torsion, therefore total torques of the vehicle in 5 grades of stable travelings are equal with 4 grades.
And be that exemplified by 6 grades are down to 4 grades, gear is first from 6 grades of drops by coaxial downshift in the prior art
4 grades are down to 5 grades, then from 5 grades, so as to realize downshift process.Whole coaxial downshift process can be retouched
State as follows：1) 5 grades of shift fork pre-engagements；2) clutch is interacted；3) 6 grades of shift forks are disengaged；4) dial for 4 grades
Pitch pre-engagement；5) clutch is interacted；6) 5 grades of shift forks are disengaged.After 5 grades of shift forks are disengaged, vehicle is in
4 grades of stable transport conditions.
Reference picture 2, gives existing a kind of 6 grades and is down to 4 grades of coaxial downshift process schematic.
In t0Before moment, when the aperture of driver's bend the throttle is more than certain value, i.e. accelerator open degree
When increasing to certain value, judge that vehicle there is currently coaxial gearshift demand.In t0Moment, engine response
Driver's acceleration request, engine speed is gradually increasing.In t0~t1At the moment, 6 grades of shift fork positions are in place, 5
Shelves shift fork position pre-engagement, 4 grades of shift fork positions are in middle position.In t1~t2Moment, clutch performs downshift and handed over
Interoperability.In t2~t3Moment, 6 grades of shift fork positions are converted into middle position from place, and 5 grades of shift fork positions are in
Position, 4 grades of shift fork position pre-engagements.In t3~t4Moment, clutch performs downshift interactive operation.In t4~t5
Moment, 6 grades of shift fork positions, 5 grades of shift fork positions are in middle position, and 4 grades of shift fork positions are in place.This
When, 4 grades of operation is down in coaxial 6 grades of completion.
Reference picture 3, when giving using the coaxial downshift control method provided in the embodiment of the present invention, coaxially
Downshift process schematic.
In t0~t3Moment, TCU completes to be down to 5 grades of operation from 6 grades.Because motor provides 4 grades
The difference of corresponding output torque and 5 grades of corresponding output torques, thus motor vehicle driven by mixed power be in 5 grades when
Output 4 grades of total torque it is equal, have been able to meet the power demand of driver, without be further continued for by
Gear is down to 4 grades from 5 grades.
By the coaxial downshift process in the embodiment of the present invention and coaxial downshift process progress pair of the prior art
Only needed to than understanding, in the embodiment of the present invention corresponding by the i.e. achievable output target gear of 3 operations
Moment of torsion, and then need 6 operations to realize the corresponding moment of torsion of output target gear in the prior art.Cause
This, compared with prior art, the coaxial downshift method in the embodiment of the present invention can efficiently reduce downshift
Number of operations, greatly reduces the time of downshift, drives ride comfort more preferably.
In actual applications, when receiving other operation requests of driver in shift process, for example,
Driver frequently steps on accelerator releasing, and TCU is in upshift of stepping on the gas, without throttle upshift, step on the gas downshift and nothing
Throttle downshifts frequent switching under these four operating modes.
In embodiments of the present invention, when detect vehicle received in shift process driver other operation
During request, TCU does not continue the continually frequent switching under above-mentioned four kinds of operating modes, but by motor
The moment of torsion for being switched to and being increased or decreased needed for target gear is provided.When the target gear correspondence for needing to switch to
Output torque when being more than the corresponding output torque of current gear, target gear correspondence is compensated by motor
Output torque and the corresponding output torque of current gear difference；Moment of torsion is less than current needed for target gear
During the corresponding output torque of gear, control motor output torque reduces, wherein：Motor reduces
Output torque be equal to the corresponding output torque of current gear and target gear needed for moment of torsion difference.
In embodiments of the present invention, detect vehicle received in shift process driver other operation
Request, and the driver received other operation requests are when including gear shift operation and asking, and are not immediately
The gear shift operation request received is performed, but first judges whether current gear shift operation has completed.If working as
Preceding gear shift operation is not carried out completing, then and the gear shift operation request that is not responding to receive, in current gearshift
After the completion of operation is performed, then go to perform recently received gear shift operation request before gear shift operation completion.
If current gear shift operation has performed completion, the gear shift operation request received can be directly performed.
In shift process, shift process can also be accelerated by controlled motor rotating speed.
In the prior art, reference picture 4, give and existing receive and drive when vehicle is in shift process
Shift process schematic diagram during other requests of the person of sailing.When vehicle received in shift process driver other
Operation requests, and other operation requests, when including gear shift operation request, TCU makes an immediate response gear shift operation
Request, without in view of currently whether there is gear shift operation, such clutch can be deposited in interaction
In impact, cause vehicle ride comfort not good.
Reference picture 5, gives using the corresponding shift process signal of control method in the embodiment of the present invention
Figure.It is not to be immediately performed to change accordingly when vehicle receives gear shift operation request in shift process
Gear request operation, but after the completion of current gear shift operation, then go to perform recently received gear shift operation
Request.So as to avoid clutch from impacting, improve vehicle ride comfort.
Comparison diagram 4 and Fig. 5, it can be found that the method in the embodiment of the present invention can avoid clutch from impacting,
Improve vehicle ride comfort.
Inventor has found in actual applications, when vehicle is in speed operation, for example, vehicle is in 1
When shelves traveling or 2 grades of travelings, if clutch is combined comparatively fast, engine speed drop-down is easily caused；If
Clutch combination is slower, then driver can be allowed to feel low speed response delay.
Below so that driver travels to 1 grade again from 1 grade of starting to 2 grades of stable travelings as an example, to existing skill
The gear switch process of vehicle is illustrated under speed operation in art.
Reference picture 6, gives shift process schematic diagram when a kind of existing vehicle is in lower-speed state.Drive
The person of sailing tramples throttle, into starting control.After the completion of starting, into 1 grade of stable driving cycle.When full
After sufficient shift-up point, into 1 → 2 upshift clutch control.After the completion of upshift, 1 grade of shift fork is disengaged, is entered
2 grades of stable driving cycles.Driver's accelerator releasing, reaches after 2 → 1 shift fork pre-engagement points, 1 grade of shift fork is pre-
Engagement.Reach after downshift point, into 2 → 1 downshift clutch controls.After the completion of downshift, disengage 2 grades and dial
Fork, into 1 grade of stable driving cycle.
As can be seen here, in the prior art, when vehicle is in speed operation, it may appear that often shift gears
Situation, and shift process is complex, easily causes shift fork noise and clutch to interact impact, causes
The problem of vehicle ride comfort is poor.
To solve the above problems, in embodiments of the present invention, reference picture 7, in vehicle start, is first obtained
The electricity of battery (high-tension battery) in motor vehicle driven by mixed power.When the electricity of battery is more than default electricity
During value, by motor output torque, driving motor vehicle driven by mixed power is in 2 grades of travelings, i.e., by driving
Motor exports the moment of torsion for causing motor vehicle driven by mixed power to be in 2 grades of travelings.
That is, when vehicle is in speed operation, engine is not involved in driving vehicle traveling, only leans on
Motor come drive vehicle 2 grades traveling, so as to which fork controls need not be carried out, it is to avoid clutch
Interaction impact, therefore vehicle ride comfort can be improved.
The embodiment of the present invention additionally provides another hybrid-vehicle control method, and reference picture 8 is led to below
Specific steps are crossed to be described in detail.
Step S801, obtains vehicle current operating state.
Step S802, when the motor vehicle driven by mixed power is in speed operation, obtains the hybrid electric vehicle
Accumulator electric-quantity.
Step S803, when the battery electric quantity is higher than default electricity, controls motor output torque,
The motor vehicle driven by mixed power is driven to be in 2 grades of travelings.
Reference picture 9, the embodiments of the invention provide a kind of hybrid vehicle start stop control device 90, including：
First acquisition unit 901, the first control unit 902, wherein：
First acquisition unit 901, for obtaining vehicle current operating state；
First control unit 902, for there is currently coaxial downshift request or in shift process when the vehicle
In when receiving other operation requests of driver, control motor, which is provided, is switched to increasing needed for target gear
Plus moment of torsion.
In specific implementation, first control unit 902 can be used for：When the vehicle there is currently
During coaxial downshift request, moment of torsion needed for target gear is obtained；The motor vehicle driven by mixed power gear is reduced by one
Individual gear；After the motor vehicle driven by mixed power reduces a gear, the corresponding output of gear where calculating is turned round
Square；Moment of torsion output corresponding with the place gear is turned round needed for controlling the motor output target gear
The difference of square.
In specific implementation, first control unit 902 can be used for：When the vehicle was being shifted gears
Receive other operation requests of driver in journey, and the driver received other operation requests include changing
When keeping off operation requests, moment of torsion needed for target gear is obtained；Moment of torsion is more than current needed for the target gear
During the corresponding output torque of gear, moment of torsion is worked as with described needed for control motor exports the target gear
The difference of the corresponding output torque of preceding gear；It is corresponding that the moment of torsion needed for the target gear is less than current gear
During output torque, control motor output torque reduces, output torque that the motor reduces etc.
The difference of moment of torsion needed for the corresponding output torque of the current gear and the target gear.
In specific implementation, the hybrid vehicle start stop control device 90 can also include：Gearshift control is single
Member 903, for detecting whether current gear shift operation has completed；When current gear shift operation has been completed, hold
The row gear shift operation request；When current gear shift operation is carried out, then according to the gearshift currently carried out
Gear shift operation is carried out to received gear shift operation request after the completion of operation.
In specific implementation, the hybrid vehicle start stop control device 90 can also include：Second control is single
Member 904, for when the motor vehicle driven by mixed power is in speed operation, obtaining the motor vehicle driven by mixed power and storing
Battery electric quantity；When the battery electric quantity is higher than default electricity, the motor output torque is controlled,
The motor vehicle driven by mixed power is driven to be in 2 grades of travelings.
Reference picture 10, the embodiment of the present invention additionally provides another hybrid vehicle start stop control device 100,
Including：Second acquisition unit 1001, the 3rd acquiring unit 1002 and the 3rd control unit 1003, its
In：
Second acquisition unit 1001, for obtaining vehicle current operating state；
3rd acquiring unit 1002, for when the motor vehicle driven by mixed power is in speed operation, obtaining institute
State motor vehicle driven by mixed power accumulator electric-quantity；
3rd control unit 1003, for when the battery electric quantity is higher than default electricity, control driving to be electric
Machine output torque, drives the motor vehicle driven by mixed power to be in 2 grades of travelings.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Rapid to can be by program to instruct the hardware of correlation to complete, the program can be stored in a computer can
Read in storage medium, storage medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore the guarantor of the present invention
Shield scope should be defined by claim limited range.
Claims (12)
1. a kind of hybrid-vehicle control method, it is characterised in that including：
Obtain vehicle current operating state；
When the vehicle there is currently coaxial downshift request or received in shift process driver other operation please
When asking, control motor provides the moment of torsion for being switched to and being increased or decreased needed for target gear.
2. hybrid-vehicle control method as claimed in claim 1, it is characterised in that when the vehicle is worked as
Before when there is coaxial downshift request, control motor, which is provided, is switched to increased moment of torsion needed for target gear,
Including：
Obtain moment of torsion needed for target gear；
The motor vehicle driven by mixed power gear is reduced into a gear；
After the motor vehicle driven by mixed power reduces a gear, the corresponding output torque of gear where calculating；
Moment of torsion output torque corresponding with the place gear needed for controlling the motor output target gear
Difference.
3. hybrid-vehicle control method as claimed in claim 1, it is characterised in that when the vehicle exists
When other operation requests of driver are received in shift process, the control motor provides and is switched to mesh
The moment of torsion increased or decreased needed for mark gear, including：
When the driver received other operation requests include gear shift operation request, needed for obtaining target gear
Moment of torsion；
When the output torque corresponding more than current gear of moment of torsion needed for the target gear, control motor is defeated
The difference of moment of torsion needed for going out the target gear and the corresponding output torque of the current gear；
When the output torque corresponding less than current gear of moment of torsion needed for the target gear, control motor is defeated
Go out moment of torsion reduction, the output torque that the motor reduces is equal to the corresponding output of the current gear and turned round
The difference of moment of torsion needed for square and the target gear.
4. hybrid-vehicle control method as claimed in claim 3, it is characterised in that receiving gearshift
After operation requests, in addition to：
Detect whether current gear shift operation has completed；
When current gear shift operation has been completed, the gear shift operation request is performed；
When current gear shift operation is carried out, then according to after the completion of the gear shift operation currently carried out to received
Gear shift operation request carry out gear shift operation.
5. hybrid-vehicle control method as claimed in claim 1, it is characterised in that also include：
When the motor vehicle driven by mixed power is in speed operation, the motor vehicle driven by mixed power accumulator electric-quantity is obtained；
When the battery electric quantity is higher than default electricity, the motor output torque is controlled, is driven described mixed
Close power car and be in 2 grades of travelings.
6. a kind of hybrid-vehicle control method, it is characterised in that including：
Obtain vehicle current operating state；
When the motor vehicle driven by mixed power is in speed operation, the motor vehicle driven by mixed power accumulator electric-quantity is obtained；
When the battery electric quantity is higher than default electricity, motor output torque is controlled, drives the mixing dynamic
Power vehicle is in 2 grades of travelings.
7. a kind of hybrid vehicle start stop control device, it is characterised in that including：
First acquisition unit, for obtaining vehicle current operating state；
First control unit, for when the vehicle there is currently coaxial downshift request or be received in shift process
During to other operation requests of driver, increasing needed for control motor offer is switched to target gear adds deduct
Few moment of torsion.
8. hybrid vehicle start stop control device as claimed in claim 7, it is characterised in that first control
Unit is used for when the vehicle there is currently coaxial downshift request, obtains moment of torsion needed for target gear；Will
The motor vehicle driven by mixed power gear reduces a gear；After the motor vehicle driven by mixed power reduces a gear,
The corresponding output torque of gear where calculating；Control motor export the target gear needed for moment of torsion with
The difference of the corresponding output torque of the place gear.
9. hybrid vehicle start stop control device as claimed in claim 7, it is characterised in that first control
Unit is used for：
When the vehicle receives other operation requests of driver in shift process, and the driver received its
When his operation requests include gear shift operation request, moment of torsion needed for target gear is obtained；
When the output torque corresponding more than current gear of moment of torsion needed for the target gear, control motor is defeated
The difference of moment of torsion needed for going out the target gear and the corresponding output torque of the current gear；
When the output torque corresponding less than current gear of moment of torsion needed for the target gear, control motor is defeated
Go out moment of torsion reduction, the output torque that the motor reduces is equal to the corresponding output of the current gear and turned round
The difference of moment of torsion needed for square and the target gear.
10. hybrid vehicle start stop control device as claimed in claim 9, it is characterised in that also include：Gearshift
Control unit, for detecting whether current gear shift operation has completed；When current gear shift operation has been completed,
Perform the gear shift operation request；When current gear shift operation is carried out, then according to changing for currently carrying out
Gear shift operation is carried out to received gear shift operation request after the completion of gear operation.
11. hybrid vehicle start stop control device as claimed in claim 7, it is characterised in that also include：Second
Control unit, for when the motor vehicle driven by mixed power is in speed operation, obtaining the hybrid electric vehicle
Accumulator electric-quantity；When the battery electric quantity is higher than default electricity, the motor output is controlled to turn round
Square, drives the motor vehicle driven by mixed power to be in 2 grades of travelings.
12. a kind of hybrid vehicle start stop control device, it is characterised in that including：
Second acquisition unit, for obtaining vehicle current operating state；
3rd acquiring unit, for when the motor vehicle driven by mixed power is in speed operation, obtaining the mixing dynamic
Power vehicle battery electricity；
3rd control unit, for when the battery electric quantity is higher than default electricity, control motor output to be turned round
Square, drives the motor vehicle driven by mixed power to be in 2 grades of travelings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610025519.4A CN106976456B (en) | 2016-01-15 | 2016-01-15 | Hybrid-vehicle control method and device |
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| CN201610025519.4A CN106976456B (en) | 2016-01-15 | 2016-01-15 | Hybrid-vehicle control method and device |
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| CN106976456B CN106976456B (en) | 2019-06-14 |
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| CN113606331A (en) * | 2021-07-29 | 2021-11-05 | 东风华神汽车有限公司 | Gear control method, gear control device, gear control equipment and readable storage medium |
| WO2023103518A1 (en) * | 2021-12-10 | 2023-06-15 | 广州汽车集团股份有限公司 | Hybrid vehicle gear shifting control method, on-board controller, vehicle and medium |
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| Publication number | Publication date |
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| CN106976456B (en) | 2019-06-14 |
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