CN110005797A - A kind of heavy truck AMT clutch service phase biting point self learning system and method - Google Patents
A kind of heavy truck AMT clutch service phase biting point self learning system and method Download PDFInfo
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- CN110005797A CN110005797A CN201910281870.3A CN201910281870A CN110005797A CN 110005797 A CN110005797 A CN 110005797A CN 201910281870 A CN201910281870 A CN 201910281870A CN 110005797 A CN110005797 A CN 110005797A
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- clutch
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- revolving speed
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- input shaft
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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
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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
- F16H2061/0075—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 a particular control method
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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)
- Control Of Transmission Device (AREA)
Abstract
A kind of heavy truck AMT clutch service phase biting point self learning system, including AMT controller, clutch, clutch position sensor, transmission input shaft speed probe, AMT controller includes whole vehicle state assessment unit, biting point self study unit, biting point self study unit includes clutch combination control unit, input shaft rotating speed be engaged revolving speed point comparing unit, it is engaged dot position information and records updating unit, clutch seizure revolving speed point information memory cell, when operation, whole vehicle state assessment unit judges whether whole vehicle state meets self study condition, clutch combination control unit control clutch combines if meeting, when input shaft rotating speed is with being engaged revolving speed point comparing unit and monitoring that transmission input shaft revolving speed rises to greater than clutch seizure revolving speed point, dot position information record updating unit is engaged to record at this time Clutch position and as new biting point position.The design ensure that the stabilization of AMT clutch service phase control performance.
Description
Technical field
The invention belongs to heavy truck AMT Clutch Technology fields, and in particular to a kind of heavy truck AMT clutch service phase is stung
Chalaza self learning system and method are adapted to carry out the self study of AMT clutch service phase biting point parameter.
Background technique
Mechanical automatic speed-changing case (AMT) is to install electric control clutch additional on the basis of traditional fixation shaft type has pole gearbox
A kind of gearbox formed with shift-selecting and changing actuating mechanism, with hydraulic automatic gearbox, the electrodeless automatic gear-box of metal band type
It compares, has many advantages, such as that high-efficient, oil consumption is low, at low cost, production inheritance is good, easy for installation, be that automatic gear-box develops
Emphasis.
With the continuous operation of vehicle, AMT clutch disc can cause its characteristic to change due to constantly wearing, to guarantee
It still is able to smooth working after AMT clutch abrasion, needs to learn by oneself its biting point parameter in AMT clutch service phase
It practises.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of heavy truck AMT clutch service phase biting point self learning system and sides
Method.
In order to achieve the above object, technical scheme is as follows:
A kind of heavy truck AMT clutch service phase biting point self learning system, including AMT controller, clutch, clutch position pass
Sensor, transmission input shaft speed probe, the AMT controller include whole vehicle state assessment unit, biting point self study list
Member, the biting point self study unit include clutch combination control unit, input shaft rotating speed be engaged revolving speed point comparing unit,
It is engaged dot position information and records updating unit, clutch seizure revolving speed point information memory cell, the clutch combines control single
Member input, output port be connected respectively with whole vehicle state assessment unit, clutch, the input shaft rotating speed be engaged revolving speed
Input port and the clutch seizure revolving speed point information memory cell of point comparing unit, transmission input shaft speed probe it is defeated
Exit port is connected, input shaft rotating speed be engaged the output port of revolving speed point comparing unit, clutch position sensor be engaged
The input port of dot position information record updating unit is connected.
The biting point self study unit further includes clutch separation control unit, input shaft rotating speed and separates revolving speed point ratio
Compared with unit, clutch separation revolving speed point storage unit, the input port of the clutch separation control unit and biting point position
The record of information recording unit, which updates, to be completed information output mouth and is connected, the output port of clutch separation control unit with from
Clutch is connected, and the input shaft rotating speed is stored with the input port and clutch separation revolving speed point for separating revolving speed point comparing unit
Unit, transmission input shaft speed probe output port be connected.
The input port and engine start state monitor, shift handle neutral position state of the whole vehicle state assessment unit
Monitor is connected.
A kind of heavy truck AMT clutch service phase biting point self-learning method, the self-learning method use above-mentioned self study
System, specifically:
The whole vehicle state assessment unit judges whether whole vehicle state meets self study condition, if meeting self study condition, until
A self study process is carried out less, wherein the self study process includes the combination step of clutch, which refers to: clutch
Device combination control unit control clutch combine, clutch combine during, clutch position sensor real-time monitoring from
The position of clutch, input shaft rotating speed be engaged what revolving speed point comparing unit in real time monitored transmission input shaft speed probe
The clutch seizure revolving speed point stored in transmission input shaft revolving speed and clutch seizure revolving speed point information memory cell is compared
Compared with when transmission input shaft revolving speed rises to greater than clutch seizure revolving speed point, occlusion dot position information records updating unit
The record clutch position y that clutch position sensor monitors at this time, and compare the clutch that y is obtained with last self study
Biting point position Y, if | y-Y| is in preset numberical range, using y replacement Y as the clutch seizure of this self study point
Position.
The biting point self study unit further includes clutch separation control unit, input shaft rotating speed and separates revolving speed point ratio
Compared with unit, clutch separation revolving speed point storage unit, the input port of the clutch separation control unit and biting point position
Information record updating unit record complete information output mouth be connected, the output port of clutch separation control unit with from
Clutch is connected, and the input shaft rotating speed is stored with the input port and clutch separation revolving speed point for separating revolving speed point comparing unit
Unit, transmission input shaft speed probe output port be connected；
The self study process further includes the separating step of clutch, the step are as follows:
Clutch separation control unit controls clutch separation, during clutch separation, input shaft rotating speed with separate turn
The transmission input shaft revolving speed and clutch separation that speed point comparing unit in real time monitors transmission input shaft speed probe
The clutch separation revolving speed point stored in revolving speed point storage unit is compared, when transmission input shaft revolving speed deteriorate to less than from
After clutch separates revolving speed point, clutch separation operation is completed.
In the combination step of the clutch,
Clutch combination control unit controls clutch first with | clutch displacement of targets change rate | and it is quick for the speed of 5-7mm/s
It is bound at nearly biting point, then controls clutch with | clutch displacement of targets change rate | it is slowly combined for the speed of 1-3mm/s；
If | y is replaced Y by y-Y| < 3mm.
The self study condition refers to: engine is in starting state, shift handle is in neutral position state.
Compared with prior art, the invention has the benefit that
1, biting point self study unit includes clutch in a kind of self learning system of heavy truck AMT clutch service phase of the invention biting point
Device combination control unit, input shaft rotating speed and be engaged revolving speed point comparing unit, occlusion dot position information record updating unit, clutch
Device is engaged revolving speed point information memory cell, and the input of clutch combination control unit, output port are assessed with whole vehicle state respectively
Unit, clutch are connected, input shaft rotating speed and the input port and clutch seizure revolving speed point that are engaged revolving speed point comparing unit
Information memory cell, transmission input shaft speed probe output port be connected, input shaft rotating speed be engaged revolving speed point ratio
Output port compared with unit, clutch position sensor is connected with the input port of occlusion dot position information record updating unit
It connecing, when which runs, clutch combination control unit controls clutch and combines, during clutch combines, clutch
The position of position sensor real-time monitoring clutch, input shaft rotating speed in real time input gearbox with revolving speed point comparing unit is engaged
Transmission input shaft revolving speed that shaft speed transducer monitors and stored in clutch seizure revolving speed point information memory cell from
Clutch occlusion revolving speed point is compared, when transmission input shaft revolving speed rises to greater than clutch seizure revolving speed point, biting point
Location information records the updating unit record clutch position y that clutch position sensor monitors at this time, and compares y and upper one
The clutch seizure point position Y that secondary self study obtains, if | y-Y| is in preset numberical range, using y replacement Y as this
The clutch seizure point position of self study, the design by transmission input shaft revolving speed in clutch cohesive process rise to be greater than from
Self study biting point parameter of the clutch position as clutch when clutch occlusion revolving speed point, can not only make AMT clutch
Device keeps stablizing in its control performance of service phase, and the overall system architecture is simple, easy to accomplish.Therefore, the present invention is not only
It ensure that the stabilization of AMT clutch service phase control performance, and structure is simple.
2, a kind of whole process that heavy truck AMT clutch service phase biting point self-learning method combines clutch of the present invention
Splitting into two movements, first element is with | clutch displacement of targets change rate | the speed for 5-7mm/s, which is quickly bound to, to be leaned on
At nearly biting point, the second movement is with | clutch displacement of targets change rate | and the speed for 1-3mm/s is slowly bound to by occlusion
Point, i.e., using the control strategy for first quickly slowly combining clutch again in conjunction with clutch, which can not only guarantee detection
Accuracy, and can effectively shorten the self study time, thus meet after the start of engine, put into gear before short time in it is complete
At the demand of self study, therefore, the method for the present invention realizes self study quickly and efficiently.
Detailed description of the invention
Fig. 1 is the structural block diagram of present system.
Fig. 2 is clutch position, engine speed and transmission input shaft turn during 1 self study of the embodiment of the present invention
Fast variation diagram.
In figure, AMT controller 1, whole vehicle state assessment unit 11, biting point self study unit 12, clutch combine control
Unit 121, input shaft rotating speed and be engaged revolving speed point comparing unit 122, occlusion dot position information record updating unit 123, clutch
Device is engaged revolving speed point information memory cell 124, clutch separation control unit 125, input shaft rotating speed compared with separating revolving speed point
Unit 126, clutch separation revolving speed point storage unit 127, clutch 2, clutch position sensor 3, transmission input shaft turn
Fast sensor 4, engine start state monitor 5, shift handle neutral position state monitor 6.
Specific embodiment
The present invention is described in further detail with specific embodiment for explanation with reference to the accompanying drawing.
Referring to Fig. 1, a kind of heavy truck AMT clutch service phase biting point self learning system, including AMT controller 1, clutch
2, clutch position sensor 3, transmission input shaft speed probe 4, the AMT controller 1 include that whole vehicle state assessment is single
First 11, biting point self study unit 12, the biting point self study unit 12 include clutch combination control unit 121, input
Axis revolving speed be engaged revolving speed point comparing unit 122, occlusion dot position information recording unit 123, clutch seizure revolving speed point information
Storage unit 124, the input of the clutch combination control unit 121, output port respectively with whole vehicle state assessment unit 11,
Clutch 2 is connected, the input shaft rotating speed and the input port and clutch seizure revolving speed that are engaged revolving speed point comparing unit 122
Point information memory cell 124, transmission input shaft speed probe 4 output port be connected, input shaft rotating speed be engaged turn
The output port that speed puts comparing unit 122, clutch position sensor 3 records updating unit 123 with dot position information is engaged
Input port is connected.
The biting point self study unit 12 further include clutch separation control unit 125, input shaft rotating speed with separate turn
Speed point comparing unit 126, clutch separation revolving speed point storage unit 127, the input terminal of the clutch separation control unit 125
Mouth updates completion information output mouth with the record of occlusion dot position information record updating unit 123 and is connected, clutch separation
The output port of control unit 125 is connected with clutch 2, the input shaft rotating speed with separate revolving speed point comparing unit 126
Input port is connected with the output port of clutch separation revolving speed point storage unit 127, transmission input shaft speed probe 4
It connects.
The input port and engine start state monitor 5, shift handle neutral gear of the whole vehicle state assessment unit 11
State monitor 6 is connected.
A kind of heavy truck AMT clutch service phase biting point self-learning method, the self-learning method use claim 1 institute
The self learning system stated, specifically:
The whole vehicle state assessment unit 11 judges whether whole vehicle state meets self study condition, if meeting self study condition,
At least carry out a self study process, wherein the self study process includes the combination step of clutch, which refers to: from
Clutch combination control unit 121 controls clutch and combines, and during clutch combines, clutch position sensor 3 is real-time
Monitor clutch position, input shaft rotating speed be engaged revolving speed point comparing unit 122 in real time by transmission input shaft revolution speed sensing
The transmission input shaft revolving speed that device 4 monitors and the clutch stored in clutch seizure revolving speed point information memory cell 124 are stung
Revolving speed point is closed to be compared, when transmission input shaft revolving speed rises to greater than clutch seizure revolving speed point, biting point position letter
The breath record record clutch position y that clutch position sensor 3 monitors at this time of updating unit 123, and compare y and last time
The clutch seizure point position Y that self study obtains, if | y-Y| is in preset numberical range, certainly using y replacement Y as this
The clutch seizure point position of study.
The biting point self study unit 12 further include clutch separation control unit 125, input shaft rotating speed with separate turn
Speed point comparing unit 126, clutch separation revolving speed point storage unit 127, the input terminal of the clutch separation control unit 125
Mouth completes information output mouth with the record of occlusion dot position information recording unit 123 and is connected, clutch separation control unit
125 output port is connected with clutch 2, the input shaft rotating speed and the input port for separating revolving speed point comparing unit 126
It is connected with the output port of clutch separation revolving speed point storage unit 127, transmission input shaft speed probe 4；
The self study process further includes the separating step of clutch, which is located at after the combination step of clutch, specifically
Are as follows:
Clutch separation control unit 125 control clutch separation, during clutch separation, input shaft rotating speed with separate
The transmission input shaft revolving speed and clutch that revolving speed point comparing unit 126 in real time monitors transmission input shaft speed probe 4
The clutch separation revolving speed point stored in device separation revolving speed point storage unit 127 is compared, when under transmission input shaft revolving speed
It is decreased to less than after clutch separation revolving speed point, clutch separation operation is completed.
In the combination step of the clutch,
Clutch combination control unit 121 controls clutch first with | clutch displacement of targets change rate | and it is the speed of 5-7mm/s
Quickly it is bound at nearly biting point, then controls clutch with | clutch displacement of targets change rate | it is slow for the speed of 1-3mm/s
In conjunction with；
If | y is replaced Y by y-Y| < 3mm.
The self study condition refers to: engine is in starting state, shift handle is in neutral position state.
The principle of the present invention is described as follows:
This self learning system can be in starting state, shift hand in engine in the vehicle certain mileage of every traveling or after the time
Handle activates self study process when being in neutral position state, if user has other operations during self study, clutch can terminate self-study
It practises, to respond the request of user.
Clutch seizure revolving speed point of the present invention, clutch separation revolving speed point can be according to the spies of assembled clutch system
Property by calibration obtain.
Since the clutch speed of service is controlled usually using the duty ratio of solenoid valve, and the size of duty ratio derives from clutch
Device displacement of targets, therefore the present invention characterizes the combination speed of clutch with clutch displacement of targets change rate.
Embodiment 1:
Referring to Fig. 1, a kind of heavy truck AMT clutch service phase biting point self learning system, including AMT controller 1, clutch 2, from
Clutch position sensor 3, transmission input shaft speed probe 4, the AMT controller 1 include whole vehicle state assessment unit 11,
Biting point self study unit 12, the biting point self study unit 12 include clutch combination control unit 121, input shaft rotating speed
It is deposited with revolving speed point comparing unit 122, occlusion dot position information record updating unit 123, clutch seizure revolving speed point information is engaged
Storage unit 124, clutch separation control unit 125, input shaft rotating speed and separate revolving speed point comparing unit 126, clutch separation
Revolving speed point storage unit 127, the input port of the whole vehicle state assessment unit 11 and engine start state monitor 5 change
Block handle neutral position state monitor 6 is connected, and the output port of the whole vehicle state assessment unit 11 controls in conjunction with clutch
The input port of unit 121 is connected, and the output port of clutch combination control unit 121 is connected with clutch 2, described defeated
Enter axis revolving speed and the input port and clutch seizure revolving speed point information memory cell 124, change that are engaged revolving speed point comparing unit 122
The output port of fast case input shaft rotating speed sensor 4 is connected, input shaft rotating speed be engaged revolving speed point comparing unit 122, clutch
The output port of device position sensor 3 with occlusion dot position information record updating unit 123 input port be connected, it is described from
The input port of clutch separation control unit 125 is updated with the record for being engaged dot position information record updating unit 123 completes letter
Breath output port is connected, and the output port of clutch separation control unit 125 is connected with clutch 2, and the input shaft turns
Speed and the input port and clutch separation revolving speed point storage unit 127, transmission input shaft for separating revolving speed point comparing unit 126
The output port of speed probe 4 is connected.
A kind of offline AMT clutch seizure point self-learning method of heavy truck vehicle successively uses following steps:
Step 1: the whole vehicle state assessment unit 11 judges whether whole vehicle state meets self study condition, if meeting self study
Condition then enters step two, terminates process if being unsatisfactory for.Wherein, the self study condition refers to: engine is in starting shape
State, shift handle are in neutral position state；
Step 2: clutch combination control unit 121 controls clutch first with | clutch displacement of targets change rate | for 6mm/s's
Speed is bound at nearly biting point, then controls clutch with | clutch displacement of targets change rate | and it is slow for the speed of 1-3mm/s
In conjunction with, clutch combine during, the position of 3 real-time monitoring clutch of clutch position sensor, input shaft rotating speed with
The occlusion revolving speed point comparing unit 122 transmission input shaft revolving speed that in real time monitors transmission input shaft speed probe 4 with
The clutch seizure revolving speed point stored in clutch seizure revolving speed point information memory cell 124 is compared, when gearbox inputs
Axis revolving speed rise to be greater than clutch seizure revolving speed point when, occlusion dot position information record updating unit 123 record at this time from
The clutch position y that clutch position sensor 3 monitors, and compare the clutch seizure point that y is obtained with last self study
Y is set, if | y-Y| < 3mm, using y replacement Y as the clutch seizure of this self study point position, if transmission input shaft turns
Speed is not risen in 10s greater than clutch seizure revolving speed point, then terminates self study process, if | y-Y| >=3mm terminates certainly
Learning process；
Step 3: clutch separation control unit 125 controls clutch separation, during clutch separation, input shaft turns
Speed turns with the transmission input shaft that revolving speed point comparing unit 126 in real time monitors transmission input shaft speed probe 4 is separated
Speed is compared with the clutch separation revolving speed point stored in clutch separation revolving speed point storage unit 127, when gearbox inputs
After axis revolving speed deteriorates to less than clutch separation revolving speed point, clutch separation operation is completed, if transmission input shaft revolving speed exists
Clutch separation revolving speed point is not deteriorated to less than in 20s, then terminates self study process；
The step 2 clutch position, engine speed and transmission input shaft rotation speed change figure into step 3 are shown in Fig. 2.
This self learning system is used to carry out reliability test in the vehicle with AMT gearbox, as the result is shown: total in vehicle
The situation for causing clutch characteristics variation rear vehicle state to be deteriorated because of clutch abrasion does not occur in meter mileage 1,000,000km,
Reliability index is reached.
Claims (7)
1. a kind of heavy truck AMT clutch service phase biting point self learning system, it is characterised in that:
The system comprises AMT controller (1), clutch (2), clutch position sensor (3), transmission input shaft revolving speeds to pass
Sensor (4), the AMT controller (1) include whole vehicle state assessment unit (11), biting point self study unit (12), described to sting
Chalaza self study unit (12) includes clutch combination control unit (121), input shaft rotating speed and is engaged revolving speed point comparing unit
(122), dot position information recording unit (123), clutch seizure revolving speed point information memory cell (124), the clutch are engaged
The input of device combination control unit (121), output port are connected with whole vehicle state assessment unit (11), clutch (2) respectively,
The input shaft rotating speed and input port and clutch seizure revolving speed point the information storage for being engaged revolving speed point comparing unit (122) are single
The output port of first (124), transmission input shaft speed probe (4) is connected, and input shaft rotating speed is compared with being engaged revolving speed point
Unit (122), clutch position sensor (3) output port be engaged dot position information record updating unit (123) it is defeated
Inbound port is connected.
2. a kind of heavy truck AMT clutch service phase biting point according to claim 1 self learning system, it is characterised in that:
The biting point self study unit (12) further includes clutch separation control unit (125), input shaft rotating speed and separates revolving speed point
Comparing unit (126), clutch separation revolving speed point storage unit (127), the input of the clutch separation control unit (125)
Port updates completion information output mouth with the record of occlusion dot position information record updating unit (123) and is connected, clutch
The output port of separation control unit (125) is connected with clutch (2), and the input shaft rotating speed is single compared with separating revolving speed point
The input port and clutch separation revolving speed point storage unit (127) of first (126), transmission input shaft speed probe (4)
Output port is connected.
3. a kind of heavy truck AMT clutch service phase biting point according to claim 1 or 2 self learning system, feature exist
In: the input port and engine start state monitor (5), shift handle neutral gear shape of the whole vehicle state assessment unit (11)
State monitor (6) is connected.
4. a kind of heavy truck AMT clutch service phase biting point self-learning method, it is characterised in that:
The self-learning method uses self learning system described in claim 1, specifically:
The whole vehicle state assessment unit (11) judges whether whole vehicle state meets self study condition, if meeting self study condition,
Then at least carry out a self study process, wherein the self study process includes the combination step of clutch, which refers to:
Clutch combination control unit (121) controls clutch and combines, during clutch combines, clutch position sensor
(3) position of real-time monitoring clutch, input shaft rotating speed be engaged revolving speed point comparing unit (122) in real time by transmission input shaft
It the transmission input shaft revolving speed that speed probe (4) monitors and is deposited in clutch seizure revolving speed point information memory cell (124)
The clutch seizure revolving speed point of storage is compared, when transmission input shaft revolving speed rises to greater than clutch seizure revolving speed point,
It is engaged dot position information record updating unit (123) the record clutch position that clutch position sensor (3) monitors at this time
Y, and compare the clutch seizure point position Y that y is obtained with last self study, if | y-Y | it, will in preset numberical range
Y replaces clutch seizure point position of the Y as this self study.
5. a kind of heavy truck AMT clutch service phase biting point according to claim 4 self-learning method, it is characterised in that:
The biting point self study unit (12) further include clutch separation control unit (125), input shaft rotating speed with separate turn
Speed point comparing unit (126), clutch separation revolving speed point storage unit (127), the clutch separation control unit (125)
Input port completes information output mouth with the record of occlusion dot position information recording unit (123) and is connected, clutch separation
The output port of control unit (125) is connected with clutch (2), the input shaft rotating speed with separate revolving speed point comparing unit
(126) input port and clutch separation revolving speed point storage unit (127), transmission input shaft speed probe (4) it is defeated
Exit port is connected；
The self study process further includes the separating step of clutch, which is located at after the combination step of clutch, specifically
Are as follows:
Clutch separation control unit (125) control clutch separation, during clutch separation, input shaft rotating speed with point
The transmission input shaft revolving speed in real time monitoring transmission input shaft speed probe (4) from revolving speed point comparing unit (126)
It is compared with the clutch separation revolving speed point stored in clutch separation revolving speed point storage unit (127), when gearbox inputs
After axis revolving speed deteriorates to less than clutch separation revolving speed point, clutch separation operation is completed.
6. a kind of heavy truck AMT clutch service phase biting point according to claim 4 or 5 self-learning method, feature exist
In:
In the combination step of the clutch,
Clutch combination control unit (121) controls clutch first with | clutch displacement of targets change rate | and it is the speed of 5-7mm/s
Degree is quickly bound at nearly biting point, then controls clutch with | clutch displacement of targets change rate | and it is slow for the speed of 1-3mm/s
It is slow to combine；
If | y-Y | y is replaced Y by < 3mm.
7. a kind of heavy truck AMT clutch service phase biting point according to claim 4 or 5 self-learning method, feature exist
In:
The self study condition refers to: engine is in starting state, shift handle is in neutral position state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910281870.3A CN110005797B (en) | 2019-04-09 | 2019-04-09 | System and method for self-learning of engagement points of heavy truck AMT clutch in service period |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910281870.3A CN110005797B (en) | 2019-04-09 | 2019-04-09 | System and method for self-learning of engagement points of heavy truck AMT clutch in service period |
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| Publication Number | Publication Date |
|---|---|
| CN110005797A true CN110005797A (en) | 2019-07-12 |
| CN110005797B CN110005797B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910281870.3A Active CN110005797B (en) | 2019-04-09 | 2019-04-09 | System and method for self-learning of engagement points of heavy truck AMT clutch in service period |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926389A (en) * | 2019-12-05 | 2020-03-27 | 武汉理工大学 | System and method for measuring position of slip point of AMT (automated mechanical transmission) clutch of heavy commercial vehicle |
| CN114330492A (en) * | 2021-11-25 | 2022-04-12 | 东风商用车有限公司 | Self-learning method for occlusion point of static clutch |
-
2019
- 2019-04-09 CN CN201910281870.3A patent/CN110005797B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926389A (en) * | 2019-12-05 | 2020-03-27 | 武汉理工大学 | System and method for measuring position of slip point of AMT (automated mechanical transmission) clutch of heavy commercial vehicle |
| CN114330492A (en) * | 2021-11-25 | 2022-04-12 | 东风商用车有限公司 | Self-learning method for occlusion point of static clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110005797B (en) | 2023-08-01 |
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