CN106594265A - Control device and control method of manual transmission clutch - Google Patents
Control device and control method of manual transmission clutch Download PDFInfo
- Publication number
- CN106594265A CN106594265A CN201611057915.1A CN201611057915A CN106594265A CN 106594265 A CN106594265 A CN 106594265A CN 201611057915 A CN201611057915 A CN 201611057915A CN 106594265 A CN106594265 A CN 106594265A
- Authority
- CN
- China
- Prior art keywords
- clutch
- slave cylinder
- control
- engine ecu
- engine speed
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a control device of a manual transmission clutch. The control device comprises an engine ECU and a clutch slave cylinder pressure sensor arranged at a clutch slave cylinder, wherein the clutch slave cylinder pressure sensor is used for measuring pressure in the clutch slave cylinder, and sending a pressure signal of the clutch slave cylinder to the engine ECU; the linear relationship between the combination state of the clutch and the pressure of the clutch slave cylinder is stored in the engine ECU; and after receiving the pressure signal of the clutch slave cylinder, the engine ECU controls control parameters of an engine according to the practical working conditions. According to the control device, the clutch slave cylinder pressure sensor is arranged at the clutch slave cylinder, the linear relationship between the combination state of the clutch and the pressure of the clutch slave cylinder is acquired through experiments, the linear relationship is stored in the engine ECU, after receiving the pressure signal of the clutch slave cylinder, the engine ECU can control parameter setting of the engine according to the practical working conditions, and steady starting and/or gear shifting of automobiles is achieved. The invention further provides a control method of the manual transmission clutch.
Description
Technical field
The present invention relates to the control system of automobile, more particularly to a kind of manual transmission clutch control device and controlling party
Method.
Background technology
At present domestic automobile mainly adopts manual transmission, because the structure of manual transmission is limited, the power of electromotor
Mainly variator is delivered to by clutch and friction plate, such manual transmission is easy for during starting and gearshift
There is the fluctuation of moment of torsion transmission, the especially more difficult cooperation for controlling clutch and throttle of new hand driver starting occurs or shifts gears
The even flame-out problem of towering car.
The content of the invention
Based on this, the invention provides the manual transmission clutch control of a kind of achievable vehicle gentle start or gearshift
Device and control method.
The manual transmission clutch control device that the present invention is provided, including Engine ECU and at clutch slave cylinder
Clutch slave cylinder pressure transducer, the clutch slave cylinder pressure transducer be used for gaging clutch wheel cylinder in pressure, and
Clutch slave cylinder pressure signal is passed to into Engine ECU, bonding state and the clutch of clutch are stored in the Engine ECU
The linear relationship of device wheel cylinder pressure, after clutch slave cylinder pressure signal is received, according to actual condition electromotor is controlled
Control parameter.
According to one embodiment of present invention, the current shift of the actual condition including vehicle, clutch association rate,
The match condition of accelerator open degree and engine speed.
According to one embodiment of present invention, when vehicle is in 1 grade of original place or reverses gear, the Engine ECU is in detection
Wheel cylinder pressure to clutch starts after change, detects the speed that clutch is combined, if clutch combines relatively slow, the electromotor
ECU controls engine speed according to nominal situation；If clutch is quickly combined and throttle is accelerated, the Engine ECU
The engine speed of certain numerical value can be lifted；If clutch already in connection with and Throttle Opening Control it is not enough when, the Engine ECU according to
The bonding state and engine speed rate of change of clutch is carrying out oil spout IGNITION CONTROL.
According to one embodiment of present invention, if vehicle is in transport condition, during downshift is added, the electromotor
ECU can maintain the current rotating speed of electromotor the short time when clutch is totally released.
According to one embodiment of present invention, the Engine ECU has self-learning function, is stored with driving habit
Data.
The manual transmission clutch control method that the present invention is provided, including：The position of collection gear level, according to gear level
Position judgment vehicle current shift；The wheel cylinder pressure signal of collection clutch, sentences according to the wheel cylinder pressure signal of clutch
The association rate of dialysis clutch；Collection accelerator open degree and engine speed；The combination speed of current shift, clutch according to vehicle
At least two match condition adjusts the control parameter of electromotor in rate, accelerator open degree and engine speed.
According to one embodiment of present invention, in the current shift according to vehicle, the association rate of clutch, accelerator open degree
In the step of match condition with engine speed at least two adjusts the control parameter of electromotor, when vehicle is in original place 1
Shelves or when reversing gear, if the association rate of clutch is less than setting value, according to normal operating conditions engine speed；If clutch
The association rate of device is less than setting value and throttle is accelerated, then control lifts engine speed；If clutch already in connection with
And throttle is accelerated or engine speed acceleration is unsatisfactory for requiring, then turned according to the bonding state and electromotor of clutch
Fast rate of change carries out oil spout IGNITION CONTROL.
According to one embodiment of present invention, in the current shift according to vehicle, the association rate of clutch, accelerator open degree
In the step of match condition with engine speed at least two adjusts the control parameter of electromotor, when the vehicle is running,
Plus during downshift, if clutch is totally released, control electromotor maintains at short notice current rotating speed.
The present invention obtains clutch by arranging clutch slave cylinder pressure transducer at clutch slave cylinder by test
The linear relationship of bonding state and clutch slave cylinder pressure, and the linear relationship is stored to Engine ECU so that electromotor
ECU can control the parameter setting of electromotor after clutch slave cylinder pressure signal is connected to according to actual condition, realize vehicle
Gentle start and/or gearshift, it is to avoid occur alarmming car and stop working.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, and in order to allow the present invention above and other objects, features and advantages can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Description of the drawings
Fig. 1 show the schematic diagram of manual transmission clutch control device of the present invention.
Fig. 2 show the schematic flow sheet of manual transmission clutch control method of the present invention.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, it is as follows to the detailed description of the invention.
Fig. 1 show the schematic diagram of manual transmission clutch control device of the present invention.As shown in figure 1, the present invention is manually
Transmission clutch control device includes clutch slave cylinder pressure transducer, Engine ECU, the gearshift at clutch slave cylinder
Bar position sensor, accelerator open degree sensor and engine speed sensor.These sensors connect with Engine ECU signal
Connect.
Wherein, shift lever position sensor, accelerator open degree sensor and engine speed sensor are respectively used to detection
The position of gear level, accelerator open degree and engine speed.Clutch slave cylinder pressure transducer is used in gaging clutch wheel cylinder
Pressure, and clutch slave cylinder pressure signal is passed to into Engine ECU.The bonding state of clutch is stored in Engine ECU
The linear relationship (test of linear relationship Jing test of many times draws) of (binding site) and clutch slave cylinder pressure, thus,
The bonding state of clutch is reflected by the wheel cylinder pressure of clutch.After Engine ECU is connected to clutch slave cylinder pressure signal,
The matching of current shift, clutch association rate, accelerator open degree, the engine speed of vehicle etc. (can be referred to according to actual condition
Situation) controlling the control parameter of electromotor.
Specifically, when vehicle is in 1 grade of original place or reverses gear, Engine ECU is sent out after clutch binding signal is obtained
Motivation ECU detects the wheel cylinder pressure of clutch and starts after change, detects the speed that clutch is combined, if clutch combination is slower
(binding time is more than setting value, usually several seconds of zero point), Engine ECU can turn according to normal operating conditions electromotor
Speed；When Engine ECU is detected, clutch quickly combines (binding time be less than setting value) and throttle is accelerated, and is guarantee
Normal to start, (lifting values of the rotating speed can also be other numbers now to control electromotor lifting engine speed 100RPM
Value), to prevent from stopping working because of rotating speed towing astern；When clutch already in connection with and throttle accelerated or engine speed acceleration
When being unsatisfactory for requiring (i.e. Throttle Opening Control is not enough), Engine ECU can change according to the bonding state of clutch and engine speed
Speed is carrying out oil spout IGNITION CONTROL.
When the vehicle is running (2-5 shelves or 6 grades), plus downshift during, it is contemplated that drive gearshift comfortableness, from
When clutch is totally released, Engine ECU can maintain the current rotating speed of electromotor in the short time (typically hundreds of millisecond), to avoid
The rotating speed towing astern brought when clutch is recombined and impact, preferably lift cornering ability.
In addition, Engine ECU has self-learning function, it can gather the data about driving habit in driving procedure,
Self-learning function data storage is formed to Engine ECU, and is regularly updated, so, can be according to driving habit when driving
Control parameters of engine is finely adjusted, also, self-learning function is also allowed for when driver is changed, according to different drivers'
Driving style is adjusting engine parameter.
As shown in Fig. 2 the manual transmission clutch control method of the present invention comprises the steps：
Step S1：The position of collection gear level, according to the current shift of the position judgment vehicle of gear level；
Step S2：The wheel cylinder pressure signal of collection clutch, according to the wheel cylinder pressure signal of clutch clutch is judged
Association rate；
Step S3：Collection accelerator open degree and engine speed；
Step S4：In the association rate of current shift, clutch according to vehicle, accelerator open degree and engine speed at least
The match condition of two adjusts the control parameter of electromotor.
In step s 4, when vehicle is in 1 grade of original place or reverses gear, if the association rate of clutch is less than setting value (i.e.
The binding time of clutch is more than setting value, usually several seconds of zero point), Engine ECU can be sent out according to normal operating conditions
Motivation rotating speed；
It is to ensure normal startup if the association rate of clutch is less than setting value and throttle is accelerated, now can controls
Electromotor processed lifts engine speed 100RPM (lifting values of the rotating speed can also be other numerical value), to prevent because of rotating speed towing astern
And stop working；
If clutch already in connection with and throttle accelerated or engine speed acceleration be unsatisfactory for require (i.e. throttle control
System is not enough) when, Engine ECU can carry out oil spout point fire control according to the bonding state of clutch and engine speed rate of change
System.
When the vehicle is running (2-5 shelves or 6 grades), plus downshift during, it is contemplated that drive gearshift comfortableness, from
When clutch is totally released, Engine ECU can maintain the current rotating speed of electromotor in the short time (typically hundreds of millisecond), to avoid
The rotating speed towing astern brought when clutch is recombined and impact, preferably lift cornering ability.
In sum, the present invention is obtained by arranging clutch slave cylinder pressure transducer at clutch slave cylinder by test
The bonding state of clutch and the linear relationship of clutch slave cylinder pressure are obtained, and the linear relationship are stored to Engine ECU,
Engine ECU is allowd after clutch slave cylinder pressure signal is connected to, the parameter setting of electromotor is controlled according to actual condition,
Realize the gentle start and/or gearshift of vehicle, it is to avoid occur alarmming car and stop working.
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when making a little change or modification using the technology contents of the disclosure above
For the Equivalent embodiments of equivalent variations, as long as being without departing from technical solution of the present invention content, according to the technical spirit pair of the present invention
Any simple modification, equivalent variations and modification that above example is made, still fall within the range of technical solution of the present invention.
Claims (8)
1. a kind of manual transmission clutch control device, including Engine ECU, it is characterised in that it is also included located at clutch
Clutch slave cylinder pressure transducer at device wheel cylinder, the clutch slave cylinder pressure transducer is used in gaging clutch wheel cylinder
Pressure, and clutch slave cylinder pressure signal is passed to into Engine ECU, the combination shape of clutch is stored in the Engine ECU
The linear relationship of state and clutch slave cylinder pressure, with after clutch slave cylinder pressure signal is received, according to actual condition control
The control parameter of electromotor.
2. manual transmission clutch control device according to claim 1, it is characterised in that：The actual condition includes
The match condition of the current shift of vehicle, clutch association rate, accelerator open degree and engine speed.
3. manual transmission clutch control device according to claim 1, it is characterised in that：When vehicle is in original place 1
Shelves or when reversing gear, the Engine ECU detects the speed that clutch is combined after the wheel cylinder pressure for detecting clutch starts change
Rate, if clutch is combined relatively slowly, the Engine ECU controls engine speed according to nominal situation；If clutch is quickly combined
And throttle is accelerated, the Engine ECU can lift the engine speed of certain numerical value；If clutch already in connection with and oil
When gate control is not enough, the Engine ECU carries out oil spout according to the bonding state and engine speed rate of change of clutch
IGNITION CONTROL.
4. manual transmission clutch control device according to claim 1, it is characterised in that：If vehicle is in traveling shape
State, plus downshift during, the Engine ECU can maintain electromotor to work as forward the short time when clutch is totally released
Speed.
5. manual transmission clutch control device according to claim 1, it is characterised in that：The Engine ECU tool
There is self-learning function, be stored with driving habit data.
6. a kind of manual transmission clutch control method, it is characterised in that：It includes：
The position of collection gear level, according to the current shift of the position judgment vehicle of gear level；
The wheel cylinder pressure signal of collection clutch, according to the wheel cylinder pressure signal of clutch the association rate of clutch is judged；
Collection accelerator open degree and engine speed；
At least two matching in the association rate of current shift, clutch according to vehicle, accelerator open degree and engine speed
Situation adjusts the control parameter of electromotor.
7. manual transmission clutch control method according to claim 6, it is characterised in that：According to the current of vehicle
At least two match condition adjusts the control of electromotor in gear, the association rate of clutch, accelerator open degree and engine speed
In the step of parameter processed, when vehicle is in 1 grade of original place or reverses gear, if the association rate of clutch is less than setting value, according to
Normal operating conditions engine speed；If the association rate of clutch is less than setting value and throttle is accelerated, control
Lift engine speed；If clutch already in connection with and throttle accelerated or engine speed acceleration be unsatisfactory for require,
Then oil spout IGNITION CONTROL is carried out according to the bonding state and engine speed rate of change of clutch.
8. manual transmission clutch control method according to claim 6, it is characterised in that：According to the current of vehicle
At least two match condition adjusts the control of electromotor in gear, the association rate of clutch, accelerator open degree and engine speed
In the step of parameter processed, when the vehicle is running, during downshift is added, if clutch is totally released, control electromotor exists
Current rotating speed is maintained in short time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057915.1A CN106594265B (en) | 2016-11-25 | 2016-11-25 | A kind of manual transmission clutch control device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057915.1A CN106594265B (en) | 2016-11-25 | 2016-11-25 | A kind of manual transmission clutch control device and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594265A true CN106594265A (en) | 2017-04-26 |
| CN106594265B CN106594265B (en) | 2019-04-16 |
Family
ID=58593389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611057915.1A Active CN106594265B (en) | 2016-11-25 | 2016-11-25 | A kind of manual transmission clutch control device and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594265B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199915A (en) * | 2017-05-25 | 2017-09-26 | 福建中青汽车技术有限公司 | A kind of pure electric vehicle shifting system |
| CN108302193A (en) * | 2017-05-25 | 2018-07-20 | 福建中青汽车技术有限公司 | A kind of positive torque downshift method |
| WO2019057066A1 (en) * | 2017-09-25 | 2019-03-28 | 联合汽车电子有限公司 | Clutch control system and control method, and vehicle including manual transmission |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709234Y (en) * | 2004-03-03 | 2005-07-13 | 卢晨光 | Electron dutomatic operating mechanism for automobile hydraulic clutch |
| CN102297218A (en) * | 2011-08-12 | 2011-12-28 | 浙江金刚汽车有限公司 | Clutch separation system protection device |
| CN102996666A (en) * | 2012-11-29 | 2013-03-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Clutch slave cylinder |
| CN103628987A (en) * | 2012-08-29 | 2014-03-12 | 重庆长安汽车股份有限公司 | Auxiliary control method for starting of manual shift gear vehicle |
-
2016
- 2016-11-25 CN CN201611057915.1A patent/CN106594265B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709234Y (en) * | 2004-03-03 | 2005-07-13 | 卢晨光 | Electron dutomatic operating mechanism for automobile hydraulic clutch |
| CN102297218A (en) * | 2011-08-12 | 2011-12-28 | 浙江金刚汽车有限公司 | Clutch separation system protection device |
| CN103628987A (en) * | 2012-08-29 | 2014-03-12 | 重庆长安汽车股份有限公司 | Auxiliary control method for starting of manual shift gear vehicle |
| CN102996666A (en) * | 2012-11-29 | 2013-03-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Clutch slave cylinder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199915A (en) * | 2017-05-25 | 2017-09-26 | 福建中青汽车技术有限公司 | A kind of pure electric vehicle shifting system |
| CN108302193A (en) * | 2017-05-25 | 2018-07-20 | 福建中青汽车技术有限公司 | A kind of positive torque downshift method |
| CN108302193B (en) * | 2017-05-25 | 2019-12-10 | 福建中青汽车技术有限公司 | Positive torque downshift method |
| CN107199915B (en) * | 2017-05-25 | 2023-05-02 | 福建中青汽车技术有限公司 | Gear shifting system of pure electric vehicle |
| WO2019057066A1 (en) * | 2017-09-25 | 2019-03-28 | 联合汽车电子有限公司 | Clutch control system and control method, and vehicle including manual transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106594265B (en) | 2019-04-16 |
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