CN106895143A - It is a kind of to circulate control method of putting into gear without synchronizer AMT - Google Patents
It is a kind of to circulate control method of putting into gear without synchronizer AMT Download PDFInfo
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- CN106895143A CN106895143A CN201710180433.3A CN201710180433A CN106895143A CN 106895143 A CN106895143 A CN 106895143A CN 201710180433 A CN201710180433 A CN 201710180433A CN 106895143 A CN106895143 A CN 106895143A
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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
- F16H61/04—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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
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Abstract
Control method of putting into gear is circulated without the adjacent gears of synchronizer AMT the invention discloses one kind, including：Keep clutch to be in released state, if being linked into compared with low gear request, be then linked into compared with low gear, if being linked into compared with high gear request, be then linked into compared with high gear；Judgement is linked into compared with low gear or is linked into compared with whether high gear succeeds, if be linked into successfully, has continued to determine whether request of putting into gear；If no success, judgement is linked into compared with low gear or is linked into compared with whether the continuous frequency of failure of high gear exceedes set point number N, if being linked into the continuous frequency of failure of gear less than N, is linked into compared with low gear, otherwise, plucks neutral and keeps separating clutch.The present invention ensure that the impact put into gear is small, success rate of putting into gear is high and continuation is strong, and only rely on the signal of AMT itself, is circulated and puts into gear, with flexibility is strong, low cost and the characteristics of be easily achieved.
Description
Technical field
The present invention relates to automatic mechanical transmission AMT control fields, and in particular to a kind of to be put into gear without synchronizer AMT circulations
Control method.
Background technology
It is on the mechanical gear box without synchronizer, gearshift and clutch actuating mechanism, Neng Goujin to be installed without synchronizer AMT
A kind of automatic transmission of row self shifter.With without synchronizer automatic mechanical transmission AMT commercial car field popularization,
An important step as exploitation is tested in gearshift, especially as the gearbox without synchronizer, it is necessary to ensure the success rate of gearshift.
Cause to put into gear the phenomenon of failure due to inevitably there is apical tooth without non-clashing gear set, so in gearshift test process
In, can continuously be shifted gears, it is ensured that the continuation and integrality of test, just put on agenda.For without synchronization
Device gearbox, synchronous rotational speed is unreasonable, it may appear that occur that impact is big during gearshift, apical tooth and cannot be linked into, even beat the phenomenon of tooth.
After failure of shifting gears, there is no follow-up treatment measures, test process will be terminated.
Patent document 1 (Publication No. CN104791480A) and patent document 2 (Publication No. CN103697154A) are open
Synchronization control method during gearshift, synchronous rotational speed is calculated according to GES, target gear speed ratio, draws input shaft
Synchronous rotational speed, this synchronous rotational speed is equal with input shaft rotating speed when being linked into target gear, and the method is for asynchronous device
AMT gearboxes, when being linked into gear, are susceptible to apical tooth, cause to put into gear unsuccessfully；(the Publication No. of patent document 3
CN102507179A the pilot system for ceaselessly increasing gear, downshift action between certain two gear) is disclosed, it is necessary to be related to ECU moulds
Intend module communicate with TCU, throttle signal and GES, realize certain two keep off between circulate and put into gear, but the system complex, realization
Getting up, the cycle is long, high cost.
The content of the invention
For above-mentioned technical problem, a kind of impact that ensure that gearshift of present invention offer is small, gearshift success rate is high and holds
Continuous property is strong to put into gear control method without the adjacent gear circulations of synchronizer AMT.
The technical solution adopted by the present invention is：
Embodiments of the invention provide one kind and circulate control method of putting into gear without the adjacent gears of synchronizer AMT, including：
S100：Keep clutch to be in released state, and the upshift and downshift of adjacent gear are alternately performed with fixed intervals
Operation；
S200：Request of putting into gear is determined whether, if request of putting into gear, then step S300, otherwise repeat step is performed
S200；
S300：Judgement put into gear request be linked into compared with low gear ask or be linked into compared with high gear request, if be linked into compared with
Low gear is asked, then perform step S400, if being linked into compared with high gear request, then performs step S500；
S400：It is linked into compared with low gear, and enters step S600；
S500：It is linked into compared with high gear, and enters step S600；
S600：Judgement is linked into compared with low gear or is linked into compared with whether high gear succeeds, if be linked into successfully, return to step
S100；If it fails, then entering step S700；
S700：Judgement is linked into compared with low gear or is linked into compared with whether the continuous frequency of failure of high gear exceedes set point number N, such as
Fruit is linked into and is less than N compared with the continuous frequency of failure of low gear, then return to step S400, otherwise, into step S800；If be linked into compared with
The continuous frequency of failure of high gear is less than N, then return to step S400, otherwise, into step S800；
S800：Pluck neutral and keep separating clutch；
Wherein, being linked into compared with low gear and during being linked into compared with high gear, make the transmission input shaft of target gear and
The rotating speed of output shaft keeps synchronous, the wherein synchronous rotational speed n of the transmission input shaft of target geariWith turning for output shaft of gear-box
Fast n0Between for example following formula (1) of relation shown in：
ni=n0×ig+nerror (1)
Wherein, niIt is the synchronous rotational speed of the transmission input shaft of target gear, unit is rpm；n0It is output shaft of gear-box
Rotating speed, unit is rpm；igFor target gear speed compares；nerrorFor the target gear gear rotational speed of gearbox is poor, unit is rpm.
Alternatively, step S400 is specifically included：
S401：Judge whether clutch is released state, if being in released state, into step S402；If do not located
In released state, into step S408；
S402：Pluck neutral；
S403：Judge whether speed changer is neutral position state, if speed changer is in neutral position state, into step S404, such as
Fruit speed changer is not at neutral position state, into step S408；
S404：Quasi integration clutch makes the input shaft of gearbox and output shaft carry out synchronization according to above-mentioned formula (1),
And block selecting is carried out during synchronization；
S405：Judge whether rotating speed synchronously succeeds, if synchronous success, into step S406；If synchronization failure,
Into step S408；
S406：It is linked into compared with low gear while separating clutch, if be linked into successfully, into step S407, if be linked into
It is unsuccessful, into S408；
S407：Success status are returned to, into step S600；
S408：Status of fail is returned to, into step S600.
Alternatively, step S500 is specifically included：
S501：Judge whether clutch is released state, if being in released state, into step S502；If do not located
In released state, into step S508；
S502：Pluck neutral；
S503：Judge whether speed changer is neutral position state, if speed changer is in neutral position state, into step S504, such as
Fruit speed changer is not at neutral position state, into step S508；
S504：Make the input shaft reduction of speed of gearbox until passing through rotating speed determined by above-mentioned formula (1), with defeated with gearbox
Shaft carries out synchronization, and carries out block selecting in the process；
S505：Judge whether rotating speed synchronously succeeds, if synchronous success, into step S506；If synchronization failure,
Into step S508；
S506：Be linked into compared with high gear, if be linked into successfully, into step S507, if be linked into it is unsuccessful, into S508；
S507：Success status are returned to, into step S600；
S508：Status of fail is returned to, into step S600.
Compared with prior art, the advantage of the invention is that：The invention is characterized in that introduced during synchronization turning
The measure of speed difference, carries out the processing mode of downshift immediately after upshift failure, ensure that the impact of gearshift is small, gearshift success rate
The high and strong feature of continuation, and only rely on the signal of AMT itself, is circulated gearshift, with flexibility by force, low cost and
The characteristics of being easily achieved.
Brief description of the drawings
Fig. 1 is the flow chart put into gear without the adjacent gear circulations of synchronizer AMT of the invention；
Fig. 2 is the flow chart that more high/low gear is linked into when adjacent gear circulation of the invention is put into gear.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention provide without the circulation of synchronizer AMT adjacent gears put into gear control method for without synchronizer it is mechanical from
During the testing experiment of dynamic speed changer AMT, the circulation gearshift without synchronizer automatic mechanical transmission AMT is tested,
To each gear to carry out long-time durable test or carry out shift quality performance test.It is of the invention mechanical without synchronizer
The two ends of automatic transmission AMT are connected by inertial flywheel with motor.
Fig. 1 is the flow chart put into gear without the adjacent gear circulations of synchronizer AMT of the invention.As shown in figure 1, the present invention is implemented
One kind that example is provided circulates control method of putting into gear without the adjacent gears of synchronizer AMT, comprises the following steps：
S100：Keep clutch to be in released state, and the upshift and downshift of adjacent gear are alternately performed with fixed intervals
Operation；The present invention is not particularly limited to the fixed intervals for performing upshift and downshift, can be determined according to actual conditions,
In an example of the invention, fixed intervals are more than 2s.
S200：Request of putting into gear is determined whether, if request of putting into gear, then step S300, otherwise repeat step is performed
S200.This step to be mainly to ensure that and be linked into operation perform that moment for putting into gear carries out corresponding gear, for example, with 5s to put into gear
In the case of cycle, at the 3s moment, due to being not carried out operation of putting into gear, then operation of putting into gear is continued waiting for, when 5s, due to
Need execution to put into gear operation, now then need to be linked into corresponding gear.Typically, in operation of putting into gear, it is drop to be initially linked into gear
Gear operation.
S300：Judgement put into gear request be linked into compared with low gear ask or be linked into compared with high gear request, if be linked into compared with
Low gear is asked, then perform step S400, if being linked into compared with high gear request, then performs step S500；
S400：It is linked into compared with low gear, and enters step S600；
S500：It is linked into compared with high gear, and enters step S600；
S600：Judgement is linked into compared with low gear or is linked into compared with whether high gear succeeds, if be linked into successfully, return to step
S100；If no success, into step S700；
S700：Judgement is linked into compared with low gear or is linked into compared with whether the continuous frequency of failure of high gear exceedes set point number N, such as
Fruit is linked into and is less than N compared with the continuous frequency of failure of low gear, then return to step S400, otherwise, into step S800；If be linked into compared with
The continuous frequency of failure of high gear is less than N, then return to step S400, otherwise, into step S800；
S800：Pluck neutral and keep separating clutch；
Wherein, it is being linked into compared with low gear and during being linked into compared with high gear, it is necessary to be input into the gearbox of target gear
The rotating speed of axle and output shaft keeps synchronous, the wherein synchronous rotational speed n of the transmission input shaft of target geariWith output shaft of gear-box
Rotating speed n0Between for example following formula (1) of relation shown in：
ni=n0×ig+nerror (1)
Wherein, niIt is the synchronous rotational speed of the transmission input shaft of target gear, unit is rpm；n0It is output shaft of gear-box
Rotating speed, unit is rpm；igFor target gear speed compares, for specific vehicle, it is fixed value；nerrorIt is the targeted gear of gearbox
Position gear rotational speed it is poor, unit is rpm, and its value can be obtained by experiment, in an example of the invention, for enable gear by
Easily it is linked into, nerrorDesirable 150rpm.
In the present invention, the set point number N for being linked into the continuous frequency of failure of gear can be configured according to experiment, non-one
It is 3 in restricted example.Relatively low gear in the present invention and for being the current shift of relative gearbox compared with high gear, example
Such as, current shift is 3 gears, if request is linked into 4 gears, is referred to as being linked into compared with high gear, if request is linked into 2 gears, is referred to as hanging
Enter compared with low gear.
It is linked into compared with low gear and is specifically described compared with the method for high gear to of the invention below with reference to Fig. 2.
As shown in Fig. 2 when being linked into compared with low gear, the process of being linked into may include following steps：
S401：Judge whether clutch is released state, if being in released state, into step S402；If do not located
In released state, into step S408；
S402：Pluck neutral；
S403：Judge whether speed changer is neutral position state, if speed changer is in neutral position state, into step S404, such as
Fruit speed changer is not at neutral position state, into step S408；
S404：Quasi integration clutch makes the input shaft of gearbox and output shaft carry out synchronization, specifically, by half hitch
Clutch is closed, the input shaft raising speed of gearbox is driven by the constant speed motor of clutch front end, when the input shaft rotating speed of gearbox
When reaching rotating speed determined by above-mentioned formula (1), as synchronizing process is completed；And block selecting is carried out during synchronization, lead to
Cross the actuator finger that will put into gear to move to target gear and put into gear groove location, carry out block selecting；
S405：Judge whether rotating speed synchronously succeeds, if synchronous success, into step S406；If synchronization is lost
Lose, then into step S408；
S406：It is linked into compared with low gear while separating clutch, if be linked into successfully, into step S407, if be linked into
It is unsuccessful, into S408；
S407：Success status are returned to, into step S600；
S408：Status of fail is returned to, into step S600.
As shown in Fig. 2 when being linked into compared with high gear, the process of being linked into may include following steps：
S501：Judge whether clutch is released state, if being in released state, into step S502；If do not located
In released state, into step S508；
S502：Pluck neutral；
S503：Judge whether speed changer is neutral position state, if speed changer is in neutral position state, into step S504, such as
Fruit speed changer is not at neutral position state, into step S508；
S504：The input shaft reduction of speed of gearbox is set to carry out synchronization with output shaft of gear-box, specifically, by taking
After neutral, input shaft rotating speed carries out reduction of speed in the presence of inertia, turn determined by above-mentioned formula (1) when input shaft rotating speed is reached
When fast, as synchronizing process is completed；And carry out block selecting in the process, move to target gear and hang by the actuator finger that will put into gear
Retaining groove position, carries out block selecting；
S505：Judge whether rotating speed synchronously succeeds, if synchronous success, into step S506；If synchronization is lost
Lose, then into step S508；
S506：Be linked into compared with high gear, if be linked into successfully, into step S507, if be linked into it is unsuccessful, into S508；
S507：Success status are returned to, into step S600；
S508：Status of fail is returned to, into step S600.
Additionally, the present invention is during execution is linked into low gear and high gear, due to the needs when being linked into compared with low gear
Half hitch clutch, therefore also need in clutch input and output shaft of gear-box end input constant rotational speed, i.e., it is required that AMT
The rotating speed of the motor at two ends keeps synchronous, enables to successfully be linked into low gear, clutch input and gearbox
Shown in for example following formula (2) of relation between the rotating speed of output shaft end：
ni'=n0′×i′g+ne′rror (2)
Wherein, ni' it is the synchronous rotational speed of clutch input, unit is rpm；n0' it is the rotating speed of output shaft of gear-box, it is single
Position is rpm, due to the invariablenes turning speed of output shaft, therefore n0' with above-mentioned formula (1) in n0It is identical；i′gIt is turning compared with low gear
Speed ratio, for specific vehicle, it is fixed value；n′errorIt is the rotating speed and the rotating speed at output shaft of gear-box end of clutch input
Between speed discrepancy, unit is rpm, and its value can be obtained by experiment, in an example of the invention, for enable gear by
Easily it is linked into, nerrorDesirable 150rpm.
To sum up, what the present invention was provided puts into gear control method by shift process without the adjacent gear circulations of synchronizer AMT
So that the rotating speed of the input shaft of the gearbox of target gear and output shaft be maintained synchronized to stabilization be linked into gear, and take
The measure of speed discrepancy is introduced during synchronization, the processing mode of downshift is carried out immediately after upshift failure, be ensure that and changed
Impacting for gear is small, the gearshift feature that success rate is high and continuation is strong, and only relies on the signal of AMT itself, is circulated gearshift,
With flexibility is strong, low cost and the characteristics of be easily achieved.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (3)
1. one kind circulates control method of putting into gear without the adjacent gears of synchronizer AMT, it is characterised in that including：
S100：Keep clutch to be in released state, and operated with upshift and downshift that fixed intervals are alternately performed adjacent gear；
S200：Request of putting into gear is determined whether, if request of putting into gear, then step S300, otherwise repeat step S200 is performed；
S300：Judgement put into gear request be linked into compared with low gear ask or be linked into compared with high gear request, if being linked into compared with low gear
Position request, then perform step S400, if being linked into compared with high gear request, then performs step S500；
S400：It is linked into compared with low gear, and enters step S600；
S500：It is linked into compared with high gear, and enters step S600；
S600：Judgement is linked into compared with low gear or is linked into compared with whether high gear succeeds, if be linked into successfully, return to step S100；Such as
Fruit failure, then into step S700；
S700：Judgement is linked into compared with low gear or is linked into compared with whether the continuous frequency of failure of high gear exceedes set point number N, if hung
Enter and be less than N compared with the continuous frequency of failure of low gear, then return to step S400, otherwise, into step S800；If be linked into compared with high gear
The continuous frequency of failure of position is less than N, then return to step S400, otherwise, into step S800；
S800：Pluck neutral and keep separating clutch；
Wherein, it is being linked into compared with low gear and during being linked into compared with high gear, is making the transmission input shaft of target gear and output
The rotating speed of axle keeps synchronous, the wherein synchronous rotational speed n of the transmission input shaft of target geariWith the rotating speed n of output shaft of gear-box0
Between for example following formula (1) of relation shown in：
ni=n0×ig+nerror (1)
Wherein, niIt is the synchronous rotational speed of the transmission input shaft of target gear, unit is rpm；n0It is turning for output shaft of gear-box
Speed, unit is rpm；igFor target gear speed compares；nerrorFor the target gear gear rotational speed of gearbox is poor, unit is rpm.
2. it is according to claim 1 to circulate control method of putting into gear without the adjacent gears of synchronizer AMT, it is characterised in that step
S400 is specifically included：
S401：Judge whether clutch is released state, if being in released state, into step S402；If be not at point
From state, into step S408；
S402：Pluck neutral；
S403：Judge whether speed changer is neutral position state, if speed changer is in neutral position state, into step S404, if become
Fast device is not at neutral position state, into step S408；
S404：Quasi integration clutch makes the input shaft of gearbox and output shaft carry out synchronization according to above-mentioned formula (1), and
Block selecting is carried out during synchronization；
S405：Judge whether rotating speed synchronously succeeds, if synchronous success, into step S406；If synchronization failure, enter
Step S408；
S406：It is linked into compared with low gear while separating clutch, if be linked into successfully, into step S407, if can not be linked into
Work(, into S408；
S407：Success status are returned to, into step S600；
S408：Status of fail is returned to, into step S600.
3. it is according to claim 1 to circulate control method of putting into gear without the adjacent gears of synchronizer AMT, it is characterised in that step
S500 is specifically included：
S501：Judge whether clutch is released state, if being in released state, into step S502；If be not at point
From state, into step S508；
S502：Pluck neutral；
S503：Judge whether speed changer is neutral position state, if speed changer is in neutral position state, into step S504, if become
Fast device is not at neutral position state, into step S508；
S504：Make the input shaft reduction of speed of gearbox until by rotating speed determined by above-mentioned formula (1), with output shaft of gear-box
Synchronization is carried out, and carries out block selecting in the process；
S505：Judge whether rotating speed synchronously succeeds, if synchronous success, into step S506；If synchronization failure, enter
Step S508；
S506：Be linked into compared with high gear, if be linked into successfully, into step S507, if be linked into it is unsuccessful, into S508；
S507：Success status are returned to, into step S600；
S508：Status of fail is returned to, into step S600.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710180433.3A CN106895143B (en) | 2017-03-23 | 2017-03-23 | A kind of no synchronizer AMT cycle is put into gear control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710180433.3A CN106895143B (en) | 2017-03-23 | 2017-03-23 | A kind of no synchronizer AMT cycle is put into gear control method |
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| CN106895143B CN106895143B (en) | 2018-11-09 |
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Cited By (7)
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| CN109185450A (en) * | 2018-08-29 | 2019-01-11 | 汽解放汽车有限公司 | A kind of automatic mechanical transmission shift fault handling method |
| CN109707841A (en) * | 2019-01-03 | 2019-05-03 | 海马汽车有限公司 | Fault clearance method and device |
| CN110131403A (en) * | 2019-04-15 | 2019-08-16 | 汉腾汽车有限公司 | A kind of AMT gearbox shifting control method |
| CN110281860A (en) * | 2019-06-29 | 2019-09-27 | 潍柴动力股份有限公司 | A kind of control method and system of shift motor |
| CN110645351A (en) * | 2019-09-26 | 2020-01-03 | 潍柴动力股份有限公司 | Gear shifting control method and device |
| CN111742166A (en) * | 2018-05-14 | 2020-10-02 | 舍弗勒技术股份两合公司 | Shift control method for automatic transmission, shift control device for automatic transmission, and vehicle power system |
| CN112360970A (en) * | 2020-11-24 | 2021-02-12 | 一汽解放汽车有限公司 | Static gear-engaging self-adaption method without synchronizer |
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| CN111742166A (en) * | 2018-05-14 | 2020-10-02 | 舍弗勒技术股份两合公司 | Shift control method for automatic transmission, shift control device for automatic transmission, and vehicle power system |
| CN109185450A (en) * | 2018-08-29 | 2019-01-11 | 汽解放汽车有限公司 | A kind of automatic mechanical transmission shift fault handling method |
| CN109707841A (en) * | 2019-01-03 | 2019-05-03 | 海马汽车有限公司 | Fault clearance method and device |
| CN110131403A (en) * | 2019-04-15 | 2019-08-16 | 汉腾汽车有限公司 | A kind of AMT gearbox shifting control method |
| CN110281860A (en) * | 2019-06-29 | 2019-09-27 | 潍柴动力股份有限公司 | A kind of control method and system of shift motor |
| CN110281860B (en) * | 2019-06-29 | 2021-11-19 | 潍柴动力股份有限公司 | Control method and system of gear shifting motor |
| CN110645351A (en) * | 2019-09-26 | 2020-01-03 | 潍柴动力股份有限公司 | Gear shifting control method and device |
| CN110645351B (en) * | 2019-09-26 | 2021-05-18 | 潍柴动力股份有限公司 | Gear shifting control method and device |
| CN112360970A (en) * | 2020-11-24 | 2021-02-12 | 一汽解放汽车有限公司 | Static gear-engaging self-adaption method without synchronizer |
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| CN106895143B (en) | 2018-11-09 |
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