CN107891858A - The process for gear and motor vehicle driven by mixed power of motor vehicle driven by mixed power - Google Patents
The process for gear and motor vehicle driven by mixed power of motor vehicle driven by mixed power Download PDFInfo
- Publication number
- CN107891858A CN107891858A CN201710952571.9A CN201710952571A CN107891858A CN 107891858 A CN107891858 A CN 107891858A CN 201710952571 A CN201710952571 A CN 201710952571A CN 107891858 A CN107891858 A CN 107891858A
- Authority
- CN
- China
- Prior art keywords
- motor
- gear
- mixed power
- clutch
- motor vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- B60W10/10—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
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/30—Control strategies involving selection of transmission gear ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
-
- 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
- B60W2710/02—Clutches
- B60W2710/021—Clutch engagement state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/081—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/1005—Transmission ratio engaged
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Landscapes
- 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)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention belongs to hybrid vehicle technology field, and in particular to the process for gear and motor vehicle driven by mixed power of a kind of motor vehicle driven by mixed power.The process for gear comprises the following steps：The moment of torsion of the dynamical system of the vehicle is zeroed out；After moment of torsion is reset, old shelves are extractd；When the dynamical system of the vehicle switches to the hybrid mode being connected between engine and motor by clutch by electric-only mode, the rotating speed of the engine and/or the motor is adjusted, the fast ratio of the rotating speed of the engine and/or the motor and the gearbox of the vehicle is matched；Engaging a new gear, complete shift process.By using the process for gear and motor vehicle driven by mixed power of motor vehicle driven by mixed power of the present invention, vehicle is when being shifted gears, without clutch is separated, shift time can effectively be shortened, improve the comfortableness driven and reduce the labor intensity of driver, meanwhile reduce the damaged condition of clutch, improve the service life of clutch.
Description
Technical field
The invention belongs to hybrid vehicle technology field, and in particular to the process for gear of a kind of motor vehicle driven by mixed power and mixed
Close power car.
Background technology
It is more and more as the new energy bus of representative using single shaft parallel connection type hybrid power system in the market, relative to
Conventional truck, it is a difference in that between clutch and gearbox in the structure of new energy vehicle and adds motor.Tradition
Vehicle needs first to step on clutch when being shifted gears, and is loosened the clutch again after the completion of gearshift.
The process for gear for the separation clutch that existing vehicle uses, mainly has the disadvantage that：
Need driver to step on clutch when the 1st, plucking gear, loosened the clutch again after the completion of extension shelves, add driving for driver
Sail fatigue strength；
2nd, shift time depends primarily on the manual shift speed of driver；
3rd, clutch can all have abrasion in separation, combination stage；
If the 4, shift time is grown, there is shift shock in vehicle, comfortableness is bad.
The content of the invention
The invention aims to solve above-mentioned at least one problem, the purpose is by the following technical programs
Realize.
The present invention proposes a kind of process for gear of motor vehicle driven by mixed power, including following steps：
Judge whether user has input gear renewal request, if user has input gear renewal request, by the car
The moment of torsion of dynamical system be zeroed out；
After moment of torsion is reset, old shelves are extractd；
Switched to by electric-only mode in the dynamical system of the vehicle and pass through clutch between engine and motor
During the connected hybrid mode of device, adjust the rotating speed of the engine and/or the motor, make the engine and/
Or the fast ratio of the rotating speed of the motor and the gearbox of the vehicle matches；
Engaging a new gear, complete shift process.
Further, after moment of torsion is reset, old shelves are extractd, when the dynamical system of the vehicle is still electric-only mode,
If during for high pressure be present in the battery powered to the motor, the rotating speed of the motor is directly adjusted, if institute
State when high pressure is not present in battery, after the clutch progress adhesive, then adjust the rotating speed of the motor.
Further, after the completion of speed regulation, when high pressure is not present in the battery, by after the clutch separation again
Carry out engaging a new gear.
Further, after engaging a new gear being carried out again after the clutch separation, by clutch adhesive again.
Further, the moment of torsion of the dynamical system of the vehicle is zeroed out moment of torsion including engine and motor
Moment of torsion is zeroed out simultaneously.
The invention also provides a kind of motor vehicle driven by mixed power, and including controller, the controller can be realized above-mentioned
The process for gear of described motor vehicle driven by mixed power.
By using the process for gear and motor vehicle driven by mixed power of motor vehicle driven by mixed power of the present invention, vehicle is being changed
It during gear, without clutch is separated, can effectively shorten shift time, improve the comfortableness of driving and reduce driver
Labor intensity, simultaneously, additionally it is possible to reduce the damaged condition of clutch, improve the service life of clutch.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the structural representation of the dynamical system of motor vehicle driven by mixed power；
Fig. 2 is the control flow chart of process for gear of the present invention.
Embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although this public affairs is shown in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely, there is provided these embodiments are to be able to be best understood from the disclosure, and can be by this public affairs
The scope opened completely is communicated to those skilled in the art.
Fig. 1 is the structural representation of the dynamical system of motor vehicle driven by mixed power.As shown in the figure 1, the power of motor vehicle driven by mixed power
System includes engine 10, motor 20 and gearbox 40, and clutch is wherein provided between engine 10 and motor 20
Device 30, automotive power can be switched to by hybrid power mould by electric-only mode by the separation and adhesive of clutch 30
Formula.Battery 60 is connected by inverter 50 with motor 20, for being powered to motor 20.Motor 20 it is defeated
Shaft is connected with gearbox 40, the rotating speed for passing power system.
Fig. 2 is the control flow chart of process for gear of the present invention.As shown in Fig. 2 hybrid electric vehicle of the present invention
Process for gear comprise the following steps：
Judge whether user has input gear renewal request, if user has input gear renewal request, by vehicle
The moment of torsion of dynamical system is zeroed out.
Wherein, the moment of torsion of the dynamical system of vehicle is zeroed out the moment of torsion of moment of torsion and motor 20 including engine 10
It is zeroed out simultaneously, to complete to pluck gear process afterwards.
After moment of torsion is reset, old shelves are extractd.
Now, the dynamical system of vehicle switches to hybrid mode, engine 10 and motor by electric-only mode
It is connected between 20 by clutch 30.Motor vehicle driven by mixed power is individually driven when starting to walk using motor 20, when vehicle is transported
After row a period of time, motor 20 drags engine 10 by clutch 30 and operated jointly, forms the dynamic of motor vehicle driven by mixed power
Power source.The rotating speed of engine 10 and/or motor 20 is adjusted, makes the rotating speed and vehicle of engine 10 and/or motor 20
The fast ratio of gearbox match.
Before and after the dynamical system gearshift of motor vehicle driven by mixed power, the speed transmission ratio of gearbox 40 can change a lot, such as
The rotating speed of fruit engine 10 or motor 20 is consistent before and after vehicle shift, can produce certain rush to the operating of vehicle
Hit power.Therefore, in order to reduce the impact to vehicle, comfortableness when driver drives vehicle is improved, needs to adjust after vehicle plucks gear
The rotating speed of engine 10 and motor 20 is saved, makes the speed of the rotating speed of engine 10 and motor 20 and the gearbox 40 of vehicle
Than matching, then carry out engaging a new gear.
Engaging a new gear, complete shift process.
After the moment of torsion of engine 10 and motor 20 is reset, old shelves are extractd, the dynamical system of vehicle is still pure electricity
During dynamic system, i.e., clutch 30 is in released state, when the power source of vehicle is only motor 20, if existing in battery 60 high
Pressure, the rotating speed of motor 20 can directly be adjusted, if high pressure is not present in battery 60, clutch 30 need to be carried out into adhesive
Afterwards, then to the rotating speed of motor 20 it is adjusted.
Further, after the completion of speed regulation, when high pressure is not present in battery 60, carried out after clutch 30 is separated
Engaging a new gear.
Generally, after the dynamical system of motor vehicle driven by mixed power carries out speed governing, between engine 10 and motor 20
It is attached by clutch 30, and certain high pressure in battery 60 is present, can directly carries out the action of engaging a new gear.But special feelings
Under condition, high pressure is not present in battery 60, then needs to be separated on clutch 30, dynamical system is individually carried out by motor 20
Driving, and carry out engaging a new gear.
When high pressure is not present in battery 60, when clutch 30 separates, Vehicular system is operated alone by motor 20 and carried out
After engaging a new gear, clutch 30 is subjected to adhesive again, so as to the operation of vehicle postorder.
The invention also provides a kind of motor vehicle driven by mixed power, and including controller, the controller can realize above-mentioned institute
The process for gear for the motor vehicle driven by mixed power stated.
By using the process for gear and motor vehicle driven by mixed power of motor vehicle driven by mixed power of the present invention, vehicle is being changed
It during gear, without clutch is separated, can effectively shorten shift time, improve the comfortableness of driving and reduce driver
Labor intensity, simultaneously, additionally it is possible to reduce the damaged condition of clutch, improve the service life of clutch.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.
Claims (6)
1. a kind of process for gear of motor vehicle driven by mixed power, it is characterised in that comprise the following steps：
Judge whether user has input gear renewal request, if user has input gear renewal request, by the vehicle
The moment of torsion of dynamical system is zeroed out；
After moment of torsion is reset, old shelves are extractd；
Switched to by electric-only mode between engine and motor by clutch phase in the dynamical system of the vehicle
During the hybrid mode connected, the rotating speed of the engine and/or the motor is adjusted, makes the engine and/or institute
The fast ratio of the rotating speed and the gearbox of the vehicle of stating motor matches；
Engaging a new gear, complete shift process.
2. the process for gear of motor vehicle driven by mixed power according to claim 1, it is characterised in that after moment of torsion is reset, extract
Old shelves, when the dynamical system of the vehicle is still electric-only mode, if for the battery internal memory powered to the motor
In high pressure, then the rotating speed of the motor is directly adjusted, if high pressure is not present in the battery, the clutch is carried out
After adhesive, then adjust the rotating speed of the motor.
3. the process for gear of motor vehicle driven by mixed power according to claim 2, it is characterised in that after the completion of speed regulation,
When high pressure is not present in the battery, engaging a new gear will be carried out again after the clutch separation.
4. the process for gear of motor vehicle driven by mixed power according to claim 3, it is characterised in that after the clutch separation
After carrying out engaging a new gear again, by clutch adhesive again.
5. the process for gear of the motor vehicle driven by mixed power according to any one of claim 1-4, it is characterised in that the vehicle
The moment of torsion of dynamical system be zeroed out the moment of torsion of moment of torsion including engine and motor while be zeroed out.
6. motor vehicle driven by mixed power, it is characterised in that including controller, the controller can be realized according in claim 1-5
The process for gear of motor vehicle driven by mixed power described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952571.9A CN107891858A (en) | 2017-10-13 | 2017-10-13 | The process for gear and motor vehicle driven by mixed power of motor vehicle driven by mixed power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952571.9A CN107891858A (en) | 2017-10-13 | 2017-10-13 | The process for gear and motor vehicle driven by mixed power of motor vehicle driven by mixed power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107891858A true CN107891858A (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710952571.9A Pending CN107891858A (en) | 2017-10-13 | 2017-10-13 | The process for gear and motor vehicle driven by mixed power of motor vehicle driven by mixed power |
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| CN (1) | CN107891858A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630669A (en) * | 2019-02-11 | 2019-04-16 | 西安法士特汽车传动有限公司 | A kind of device and its control method regardless of clutch AMT |
| CN109760668A (en) * | 2019-03-01 | 2019-05-17 | 北华大学 | A kind of vehicle hybrid driving control system and control method based on car networking |
| CN110758373A (en) * | 2019-09-27 | 2020-02-07 | 潍柴动力股份有限公司 | Parallel power system for hybrid motor vehicle and control method thereof |
| CN111486229A (en) * | 2019-01-28 | 2020-08-04 | 上海汽车变速器有限公司 | Method for controlling gear shifting process of pure electric two-gear reduction box |
| CN113236767A (en) * | 2021-05-19 | 2021-08-10 | 上汽通用五菱汽车股份有限公司 | Vehicle control method, vehicle, and storage medium |
| CN114179779A (en) * | 2021-12-17 | 2022-03-15 | 清华大学苏州汽车研究院（吴江） | Gear shifting control method and device for hybrid electric vehicle |
| CN115638244A (en) * | 2022-12-26 | 2023-01-24 | 潍柴动力股份有限公司 | Gearbox static gear shifting control method and control system for parallel system and hybrid vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486229A (en) * | 2019-01-28 | 2020-08-04 | 上海汽车变速器有限公司 | Method for controlling gear shifting process of pure electric two-gear reduction box |
| CN109630669A (en) * | 2019-02-11 | 2019-04-16 | 西安法士特汽车传动有限公司 | A kind of device and its control method regardless of clutch AMT |
| CN109760668A (en) * | 2019-03-01 | 2019-05-17 | 北华大学 | A kind of vehicle hybrid driving control system and control method based on car networking |
| CN110758373A (en) * | 2019-09-27 | 2020-02-07 | 潍柴动力股份有限公司 | Parallel power system for hybrid motor vehicle and control method thereof |
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| CN113236767A (en) * | 2021-05-19 | 2021-08-10 | 上汽通用五菱汽车股份有限公司 | Vehicle control method, vehicle, and storage medium |
| CN114179779A (en) * | 2021-12-17 | 2022-03-15 | 清华大学苏州汽车研究院（吴江） | Gear shifting control method and device for hybrid electric vehicle |
| CN115638244A (en) * | 2022-12-26 | 2023-01-24 | 潍柴动力股份有限公司 | Gearbox static gear shifting control method and control system for parallel system and hybrid vehicle |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180410 |
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