CN110131404A - A kind of application method of AMT clutch displacement sensor - Google Patents
A kind of application method of AMT clutch displacement sensor Download PDFInfo
- Publication number
- CN110131404A CN110131404A CN201910285591.4A CN201910285591A CN110131404A CN 110131404 A CN110131404 A CN 110131404A CN 201910285591 A CN201910285591 A CN 201910285591A CN 110131404 A CN110131404 A CN 110131404A
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- China
- Prior art keywords
- clutch
- displacement sensor
- clutch displacement
- application method
- amt
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- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
- F16H2061/1216—Display or indication of detected failures
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/1276—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is a friction device, e.g. clutches or brakes
- F16H2061/128—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is a friction device, e.g. clutches or brakes the main clutch
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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)
- Mechanical Operated Clutches (AREA)
Abstract
A kind of application method of AMT clutch displacement sensor, first judge that clutch is according to the displacement signal of clutch displacement sensor acquisition and is completely combined state, ask difference to obtain rotational speed difference input shaft rotating speed, engine speed again, then rotational speed difference is verified, if verification does not pass through, judge that clutch displacement sensor is faulty, at this time, clutch displacement state is judged without using the displacement signal that clutch displacement sensor acquires, and is replaced using other signals.The design can not only carry out breakdown judge to clutch displacement sensor, and have failure reply function, and safety is higher.
Description
Technical field
The present invention relates to a kind of wrong operation of motor detection techniques, belong to the field AMT more particularly to a kind of AMT clutch position
It is particularly applicable to carry out breakdown judge to clutch displacement sensor, and counter-measure is arranged in the application method of displacement sensor.
Background technique
Currently, the Bit andits control of AMT clutch depends on clutch displacement sensor, but due to clutch displacement sensor
Mounting characteristics, can not directly judge whether clutch displacement sensor reliable by being displaced.And work as clutch displacement sensing
When device collection value and actual displacement are not inconsistent, if can not recognize in time, clutch displacement is unreliable, will affect AMT clutch
Control leads to clutch heel and toe wear, drags engine in shift gears pause and transition in rhythm or melody, or even traveling flame-out.
Application publication number is CN104500626A, and data of publication of application is that the application for a patent for invention on April 8th, 2015 discloses
A kind of manual-gear vehicle clutch monitoring system includes at least the displacement sensing for being set to the flywheel of automobile clutch
Device, the displacement processing unit for being set to flywheel and be set to interior monitoring unit, the output end of institute's displacement sensors with
Displacement processing unit connection, the displacement processing unit are connect with the monitoring unit, the design pass through displacement sensor,
Displacement processing unit the state of clutch is judged, with know clutch be in separation, semi-detached (i.e. semi-linkage) or
It is fitting (i.e. linkage) state, consequently facilitating driver can reasonably drive vehicle, but the design still has following lack
It falls into:
The design carries out the displacement judgement of clutch based on the acquisition information of displacement sensor, and default displacement sensor is constant
Fault-free lacks the design for carrying out breakdown judge to displacement sensor, easily leads to the fanaticism to displacement sensor, cause the accident.
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of present patent application, without
It should be considered as recognizing or implying in any form that the information constitutes existing skill already known to those of ordinary skill in the art
Art.
Summary of the invention
The purpose of the present invention is overcome it is existing in the prior art cannot to clutch displacement sensor carry out breakdown judge
Defect and problem, a kind of AMT clutch displacement sensor that breakdown judge can be carried out to clutch displacement sensor is provided
Application method.
In order to achieve the above object, the technical solution of the invention is as follows: a kind of user of AMT clutch displacement sensor
Method, the application method the following steps are included:
Breakdown judge step: first judge that clutch is according to the displacement signal of clutch displacement sensor acquisition and be completely combined shape
State, then ask difference to obtain rotational speed difference input shaft rotating speed, engine speed, then rotational speed difference is verified, if verification passes through,
Then clutch displacement sensor fault-free, if verification does not pass through, clutch displacement sensor is faulty；
Failure copes with step: when clutch displacement sensor fault-free, being believed using the displacement that clutch displacement sensor acquires
Number clutch displacement state is judged；When clutch displacement sensor in the event of failure, do not use clutch displacement sensor
The displacement signal of acquisition judges clutch displacement state.
The verification is by referring to that rotational speed difference is no more than threshold value, and the verification is not by referring to that rotational speed difference is more than threshold value, institute
Stating threshold value is 30rpm -70rpm.
The threshold value is 50rpm.
In failure reply step, when clutch displacement sensor in the event of failure, clutch is displaced using rotational speed difference
State is judged.
In failure reply step, when clutch displacement sensor in the event of failure, limit clutch movement rate and fortune
Dynamic state, reduces the lasting sliding wear to clutch, reduces the operation shifted gears under clutch bonding state.
The displacement signal according to clutch displacement sensor acquisition judge that clutch refers in being completely combined state:
When the displacement signal of clutch displacement sensor acquisition indicates that clutch is displaced in 0-2cm, judge that clutch is in knot completely
Conjunction state.
The input shaft rotating speed first acquires jackshaft target wheel revolving speed by input shaft rotating speed sensor, further according to preceding odd-side gear
Speed ratio calculation obtains.
The engine speed is acquired from bus.
It is described rotational speed difference is verified before, first to exclude engine rotational speed signal mistake, AMT input shaft rotating speed sensing
Device failure.
Compared with prior art, the invention has the benefit that
1, in a kind of application method of AMT clutch displacement sensor of the present invention, sentence carrying out clutch displacement sensor failure
When disconnected, it is normal first to default clutch displacement sensor, then be in using clutch and be completely combined state as point of penetration, then to input
Axis revolving speed, engine speed ask difference to obtain rotational speed difference, then verify to rotational speed difference, to judge that clutch displacement sensor is
It is no that there are failures.Therefore, the present invention can carry out breakdown judge to clutch displacement sensor.
2, it in a kind of application method of AMT clutch displacement sensor of the present invention, other than breakdown judge step, also sets
Failure reply step has been set, design has been solved when clutch displacement sensor breaks down, to have corresponding failure, avoids sending out
It makes trouble former.Therefore, the present invention has failure reply function, and safety is higher.
3, in a kind of application method of AMT clutch displacement sensor of the present invention, when being verified to rotational speed difference, will turn
Speed difference is compared with threshold value, if rotational speed difference is more than threshold value, is verified and is not passed through, if rotational speed difference is no more than threshold value, verification is logical
It crosses, and threshold value is 30rpm -70rpm, preferably 50rpm, the design comparison is intuitive, and operates simply, convenient for improving judgement
Speed and accuracy.Therefore, accuracy of the invention is higher.
Detailed description of the invention
Fig. 1 is operational flow diagram of the invention.
Fig. 2 is structural schematic diagram of the invention.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 and Fig. 2, a kind of application method of AMT clutch displacement sensor, the application method includes following step
It is rapid:
Breakdown judge step: first judge that clutch is according to the displacement signal of clutch displacement sensor acquisition and be completely combined shape
State, then ask difference to obtain rotational speed difference input shaft rotating speed, engine speed, then rotational speed difference is verified, if verification passes through,
Then clutch displacement sensor fault-free, if verification does not pass through, clutch displacement sensor is faulty；
Failure copes with step: when clutch displacement sensor fault-free, being believed using the displacement that clutch displacement sensor acquires
Number clutch displacement state is judged；When clutch displacement sensor in the event of failure, do not use clutch displacement sensor
The displacement signal of acquisition judges clutch displacement state.
The verification is by referring to that rotational speed difference is no more than threshold value, and the verification is not by referring to that rotational speed difference is more than threshold value, institute
Stating threshold value is 30rpm -70rpm.
The threshold value is 50rpm.
In failure reply step, when clutch displacement sensor in the event of failure, clutch is displaced using rotational speed difference
State is judged.
In failure reply step, when clutch displacement sensor in the event of failure, limit clutch movement rate and fortune
Dynamic state, reduces the lasting sliding wear to clutch, reduces the operation shifted gears under clutch bonding state.
The displacement signal according to clutch displacement sensor acquisition judge that clutch refers in being completely combined state:
When the displacement signal of clutch displacement sensor acquisition indicates that clutch is displaced in 0-2cm, judge that clutch is in knot completely
Conjunction state.
The input shaft rotating speed first acquires jackshaft target wheel revolving speed by input shaft rotating speed sensor, further according to preceding odd-side gear
Speed ratio calculation obtains.
The engine speed is acquired from bus.
It is described rotational speed difference is verified before, first to exclude engine rotational speed signal mistake, AMT input shaft rotating speed sensing
Device failure.
The principle of the present invention is described as follows:
Under the prior art, clutch displacement has the relationship of strong correlation with input shaft rotating speed, and the state of clutch is by clutch reality
Displacement determines and (thinks that clutch is in and is completely combined state when clutch is displaced in 0-2cm in the present invention), in clutch
Device is in when being completely combined under state, and under normal circumstances, input shaft rotating speed should be synchronous with engine speed, it is considered herein that if defeated
Enter axis revolving speed and differ larger with engine speed, if difference be more than threshold value, then determine clutch be not at the state of being completely combined or
Clutch generates violent sliding wear in bonding state, will be inconsistent with judgement before, thus can with input shaft rotating speed with start
Machine rotation speed relation verifies clutch displacement.
Embodiment 1:
Referring to Fig. 1 and Fig. 2, a kind of application method of AMT clutch displacement sensor, the application method the following steps are included:
Breakdown judge step: first judge that clutch is according to the displacement signal of clutch displacement sensor acquisition and be completely combined shape
State, then ask difference to obtain rotational speed difference input shaft rotating speed, engine speed, then rotational speed difference is verified, if verification passes through,
Then clutch displacement sensor fault-free, if verification does not pass through, clutch displacement sensor is faulty；The verification passes through
Refer to that rotational speed difference is no more than threshold value, not by referring to that rotational speed difference is more than threshold value, the threshold value is 30rpm -70rpm for the verification；
Failure copes with step: when clutch displacement sensor fault-free, being believed using the displacement that clutch displacement sensor acquires
Number clutch displacement state is judged；When clutch displacement sensor in the event of failure, do not use clutch displacement sensor
The displacement signal of acquisition judges clutch displacement state.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
In failure reply step, when clutch displacement sensor in the event of failure, using rotational speed difference to clutch displacement state
Judged, meanwhile, clutch movement rate and motion state are limited, the lasting sliding wear to clutch is reduced, is reduced in clutch
The operation shifted gears under device bonding state.
The foregoing is merely better embodiment of the invention, protection scope of the present invention is not with above embodiment
Limit, as long as those of ordinary skill in the art's equivalent modification or variation made by disclosure according to the present invention, should all be included in power
In the protection scope recorded in sharp claim.
Claims (9)
1. a kind of application method of AMT clutch displacement sensor, it is characterised in that the application method the following steps are included:
Breakdown judge step: first judge that clutch is according to the displacement signal of clutch displacement sensor acquisition and be completely combined shape
State, then ask difference to obtain rotational speed difference input shaft rotating speed, engine speed, then rotational speed difference is verified, if verification passes through,
Then clutch displacement sensor fault-free, if verification does not pass through, clutch displacement sensor is faulty；
Failure copes with step: when clutch displacement sensor fault-free, being believed using the displacement that clutch displacement sensor acquires
Number clutch displacement state is judged；When clutch displacement sensor in the event of failure, do not use clutch displacement sensor
The displacement signal of acquisition judges clutch displacement state.
2. a kind of application method of AMT clutch displacement sensor according to claim 1, it is characterised in that: the school
It tests by referring to that rotational speed difference is no more than threshold value, not by referring to that rotational speed difference is more than threshold value, the threshold value is 30rpm-for the verification
70rpm。
3. a kind of application method of AMT clutch displacement sensor according to claim 2, it is characterised in that: the threshold
Value is 50rpm.
4. a kind of application method of AMT clutch displacement sensor according to claim 1,2 or 3, it is characterised in that: institute
State failure reply step in, when clutch displacement sensor in the event of failure, clutch displacement state is sentenced using rotational speed difference
It is disconnected.
5. a kind of application method of AMT clutch displacement sensor according to claim 4, it is characterised in that: the event
In barrier reply step, when clutch displacement sensor in the event of failure, limit clutch movement rate and motion state, reduce to from
The lasting sliding wear of clutch reduces the operation shifted gears under clutch bonding state.
6. a kind of application method of AMT clutch displacement sensor according to claim 1,2 or 3, it is characterised in that: institute
State and judge that clutch is according to the displacement signal of clutch displacement sensor acquisition and be completely combined state and refer to: clutch is displaced
When the displacement signal of sensor acquisition indicates that clutch is displaced in 0-2cm, judges that clutch is in and be completely combined state.
7. a kind of application method of AMT clutch displacement sensor according to claim 1,2 or 3, it is characterised in that: institute
It states input shaft rotating speed and jackshaft target wheel revolving speed is first acquired by input shaft rotating speed sensor, calculated further according to preceding odd-side gear ratio
It arrives.
8. a kind of application method of AMT clutch displacement sensor according to claim 1,2 or 3, it is characterised in that: institute
Engine speed is stated to acquire from bus.
9. a kind of application method of AMT clutch displacement sensor according to claim 1,2 or 3, it is characterised in that: institute
It states before being verified to rotational speed difference, first to exclude engine rotational speed signal mistake, AMT input shaft rotating speed sensor fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910285591.4A CN110131404B (en) | 2019-04-10 | 2019-04-10 | Application method of AMT clutch displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910285591.4A CN110131404B (en) | 2019-04-10 | 2019-04-10 | Application method of AMT clutch displacement sensor |
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| Publication Number | Publication Date |
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| CN110131404A true CN110131404A (en) | 2019-08-16 |
| CN110131404B CN110131404B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910285591.4A Active CN110131404B (en) | 2019-04-10 | 2019-04-10 | Application method of AMT clutch displacement sensor |
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2019
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| CN110131404B (en) | 2020-07-10 |
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