CN103033301B - Automated mechanical transmission (AMT) gear selecting actuator transmission efficiency measuring test method - Google Patents
Automated mechanical transmission (AMT) gear selecting actuator transmission efficiency measuring test method Download PDFInfo
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- CN103033301B CN103033301B CN201210565324.0A CN201210565324A CN103033301B CN 103033301 B CN103033301 B CN 103033301B CN 201210565324 A CN201210565324 A CN 201210565324A CN 103033301 B CN103033301 B CN 103033301B
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- block selecting
- amt
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- gear selecting
- transmission efficiency
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Abstract
The invention discloses an automated mechanical transmission (AMT) gear selecting actuator transmission efficiency measuring test method which includes the steps of installing an AMT gear selecting actuator according to a real vehicle, utilizing a servo motor to replace a drive motor, installing an encoder measuring angular displacement on an output shaft of the servo motor, installing a torque sensor between the output shaft of the servo motor and an input shaft of an intermediate actuator, installing a force sensor between a gear selecting shaft and an input shaft of a loader, installing a grating displacement sensor between the gear selecting shaft and the input shaft of the loader, collecting measuring parameters of time ti and time t(i+1), figuring out the input power of a motor and the output power of a gear selecting shifting fork, and calculating the transmission efficiency of the AMT gear selecting actuator. The method can measure the transient transmission efficiency and the overall transmission efficiency of the gear selecting actuator rapidly and accurately, can visually and accurately judge whether the working performance of the gear selecting actuator is good or not, and provides reference for the optimization of the AMT gear selecting actuator.
Description
Technical field
The present invention relates to a kind of automotive transmission technical field, relate in particular to a kind of AMT automatic transmission block selecting topworks transmission efficiency and measure test method.
Background technology
AMT is the abbreviation of electrical control automatic manual transmission case (Automated Mechanical Transmission), is to improve on the basis of existing manual transmission.The AMT automatic transmission of prior art has improved that AT automatic transmission transmission efficiency is low, complex structure, shortcoming that cost is high, and the application of modern electronic technology retained the advantage of AT and gear type transmission, improved to a great extent efficiency and the power performance of gearshift.
AMT topworks is a key link of AMT technical development, and the quality of its performance will directly affect AMT overall performance, yet the height of its topworks's transmission efficiency is an important references index of its performance quality of reflection.Block selecting topworks is by block selecting drive motor, the compositions such as middle actuator, block selecting axle and block selecting shift fork.Middle actuator comprises leading screw, worm and gear, rack-and-pinion, and cam structures etc. are several.AMT, when carrying out block selecting, drives middle actuator by controlling drive motor, and middle actuator rotatablely moves motor to convert straight-line displacement campaign to, thereby drives block selecting shifting block to make variator change to targeted gear.In the AMT block selecting topworks course of work, there is the impacts such as engaging friction, slip and insufficient lubrication in each transmission of its topworks, causes energy loss.
At present, most research all rests on the optimization improvement aspect of AMT shift-selecting and changing actuating mechanism structure, and by studying AMT shift-selecting and changing actuating mechanism transmission efficiency and then the thought of its optimal design seldom being seen both at home and abroad.Therefore by test method, record AMT shift-selecting and changing actuating mechanism transmission efficiency significant to optimizing AMT gearshift control strategy.
Summary of the invention
For above shortcomings in prior art, the invention provides a kind of AMT block selecting topworks transmission efficiency and measure test method.Real-time transmission efficiency during AMT block selecting topworks that this test method records work, serviceability that not only can quantitative evaluation AMT topworks, and contribute to better to control block selecting speed, improve block selecting quality.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:
AMT block selecting topworks transmission efficiency is measured test method, and the method comprises the steps:
1) JiangAMT block selecting topworks installs according to real vehicle mounting means;
2) adopt servomotor to replace drive motor in AMT shift-selecting and changing actuating mechanism;
3) scrambler is installed on servomotor output shaft, the angular displacement in the time of can recording servomotor work; Mounting torque sensor between servomotor output shaft and middle actuator input shaft, can record servomotor output torque simultaneously;
4) installing force sensor between block selecting axle and loader input shaft, installs grating displacement sensor simultaneously between block selecting axle and loader input shaft, block selecting power and block selecting displacement in the time of can recording the work of AMT block selecting topworks;
5), in the gear shifting actuating mechanism course of work, record gear shifting actuating mechanism any in the course of the work
motor torque corresponding to moment collection point
, motor angular displacement
, block selecting power
with grating scale displacement
; Process
the motor torque values that after time, torque sensor records during next collection point is
, motor angular displacement
, power sensor records block selecting power
, grating scale shift value
; Calculating motor angular displacement added value between adjacent collection point is
, grating scale displacement added value is
;
6) the approximate output work that is passed to block selecting shift fork through middle actuator of calculating is:
Motor input work is:
；
7) calculate the dynamic transmission efficiency of AMT block selecting topworks
for each output work constantly and the ratio of input work, that is:
；
The whole transmission efficiency of AMT block selecting topworks
for the ratio of output work in whole block selecting process with input work, that is:
。
Compared with prior art, AMT block selecting of the present invention topworks transmission efficiency is measured test method tool and is had the following advantages:
1, simple in structure, principle of work is reliable, theory significance is clear and definite, can measure quickly and accurately gear shifting actuating mechanism transient state transmission efficiency and whole transmission efficiency.
2, the AMT block selecting topworks transmission efficiency obtaining according to test method of the present invention, can intuitively judge accurately the performance quality of AMT block selecting topworks, for optimizing AMT block selecting topworks, provide reference frame, and the transmission efficiency data based on recording can be controlled and formulate more accurate control strategy for AMT block selecting.
Accompanying drawing explanation
The structural representation of Fig. 1 WeiAMT block selecting topworks;
The transmission efficiency measuring principle figure of Fig. 2 WeiAMT block selecting topworks.
In accompanying drawing: 1-servomotor; 2-middle actuator; 3-block selecting axle; 4-block selecting shift fork; 5-scrambler; 6-torque sensor; 7-power sensor; 8-grating displacement sensor; 9-loader; 10-data acquisition unit; 11-computer system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, AMT block selecting topworks transmission efficiency measurement mechanism is mainly comprised of servomotor 1, middle actuator 2, block selecting axle 3, block selecting shift fork 4, scrambler 5, torque sensor 6, power sensor 7, grating displacement sensor 8, loader 9, data acquisition unit 10 and computer system 11.
AMT block selecting topworks transmission efficiency is measured test method, and as shown in Figure 2, the method comprises the steps: the measuring principle in the method
1) JiangAMT block selecting topworks installs according to real vehicle mounting means.
2) adopt servomotor to replace drive motor in AMT shift-selecting and changing actuating mechanism.
3) scrambler is installed on servomotor output shaft, the angular displacement in the time of can recording servomotor work; Mounting torque sensor between servomotor output shaft and middle actuator input shaft, can record servomotor output torque simultaneously.
4) installing force sensor between block selecting axle and loader input shaft, installs grating displacement sensor simultaneously between block selecting axle and loader input shaft, block selecting power and block selecting displacement in the time of can recording the work of AMT block selecting topworks.
In the block selecting course of work, the servomotor form that simultaneously moment of torsion converts straight-line displacement to through middle actuator that rotates to an angle is exported by block selecting axle, thereby drives block selecting shift fork rectilinear motion to complete block selecting.Power transmission line is drive motor-middle actuator-block selecting shift fork.
5), in the gear shifting actuating mechanism course of work, record gear shifting actuating mechanism any in the course of the work
motor torque corresponding to moment collection point
, motor angular displacement
, block selecting power
with grating scale displacement
; Process
the motor torque values that after time, torque sensor records during next collection point is
, motor angular displacement
, power sensor records block selecting power
, grating scale shift value
; Calculating motor angular displacement added value between adjacent collection point is
, grating scale displacement added value is
.
6) the approximate output work that is passed to block selecting shift fork through middle actuator of calculating is:
Motor input work is:
。
7) calculate AMT block selecting topworks
dynamic transmission efficiency constantly
, that is:
；
The whole transmission efficiency of AMT block selecting topworks
for the ratio of output work in whole block selecting process with input work, that is:
。
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (1)
1.AMT block selecting topworks transmission efficiency is measured test method, it is characterized in that, the method comprises the steps:
1) JiangAMT block selecting topworks installs according to real vehicle mounting means;
2) adopt servomotor to replace drive motor in AMT shift-selecting and changing actuating mechanism;
3) scrambler is installed on servomotor output shaft, the angular displacement in the time of can recording servomotor work; Mounting torque sensor between servomotor output shaft and middle actuator input shaft, can record servomotor output torque simultaneously;
4) installing force sensor between block selecting axle and loader input shaft, installs grating displacement sensor simultaneously between block selecting axle and loader input shaft, block selecting power and block selecting displacement in the time of can recording the work of AMT block selecting topworks;
5), in the gear shifting actuating mechanism course of work, record gear shifting actuating mechanism any in the course of the work
motor torque corresponding to moment collection point
, motor angular displacement
, block selecting power
with grating scale displacement
; Process
the motor torque values that after time, torque sensor records during next collection point is
, motor angular displacement
, power sensor records block selecting power
, grating scale shift value
; Calculating motor angular displacement added value between adjacent collection point is
, grating scale displacement added value is
;
6) calculating the output work that is passed to block selecting shift fork through middle actuator is:
Motor input work is:
；
7) the dynamic transmission efficiency of AMT block selecting topworks
for each output work constantly and the ratio of input work, that is:
；
The whole transmission efficiency of AMT block selecting topworks
for the ratio of output work in whole block selecting process with input work, that is:
。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210565324.0A CN103033301B (en) | 2012-12-24 | 2012-12-24 | Automated mechanical transmission (AMT) gear selecting actuator transmission efficiency measuring test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210565324.0A CN103033301B (en) | 2012-12-24 | 2012-12-24 | Automated mechanical transmission (AMT) gear selecting actuator transmission efficiency measuring test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103033301A CN103033301A (en) | 2013-04-10 |
| CN103033301B true CN103033301B (en) | 2014-12-03 |
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|---|---|---|---|
| CN201210565324.0A Expired - Fee Related CN103033301B (en) | 2012-12-24 | 2012-12-24 | Automated mechanical transmission (AMT) gear selecting actuator transmission efficiency measuring test method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110114649A (en) * | 2016-12-27 | 2019-08-09 | 爱信艾达株式会社 | Torque detecting apparatus |
| CN109764127A (en) * | 2018-12-29 | 2019-05-17 | 汉腾汽车有限公司 | A kind of block selecting drive force optimization method of AMT shift-selecting and changing actuating mechanism |
| CN112378653A (en) * | 2020-11-30 | 2021-02-19 | 重庆清研理工汽车检测服务有限公司 | AMT clutch actuator execution efficiency detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0289747A1 (en) * | 1987-05-05 | 1988-11-09 | Battelle Motor- und Fahrzeugtechnik GmbH | Method for measuring the efficiency of a motor vehicle drive assembly |
| JP2005291973A (en) * | 2004-03-31 | 2005-10-20 | Toin Gakuen | Efficiency measuring method of speed change gear, and device used therefor |
| CN201827266U (en) * | 2010-05-21 | 2011-05-11 | 北京工业大学 | General electric clutch actuating mechanism for mechanical automatic gearbox |
| CN102564760A (en) * | 2011-12-31 | 2012-07-11 | 重庆青山工业有限责任公司 | Transmission efficiency test bench of AMT (Automated Mechanical Transmission) gear selection executing mechanism |
-
2012
- 2012-12-24 CN CN201210565324.0A patent/CN103033301B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0289747A1 (en) * | 1987-05-05 | 1988-11-09 | Battelle Motor- und Fahrzeugtechnik GmbH | Method for measuring the efficiency of a motor vehicle drive assembly |
| JP2005291973A (en) * | 2004-03-31 | 2005-10-20 | Toin Gakuen | Efficiency measuring method of speed change gear, and device used therefor |
| CN201827266U (en) * | 2010-05-21 | 2011-05-11 | 北京工业大学 | General electric clutch actuating mechanism for mechanical automatic gearbox |
| CN102564760A (en) * | 2011-12-31 | 2012-07-11 | 重庆青山工业有限责任公司 | Transmission efficiency test bench of AMT (Automated Mechanical Transmission) gear selection executing mechanism |
Non-Patent Citations (2)
| Title |
|---|
| 小排量汽车AMT离合器执行机构的效率设计;王海兵等;《四川兵工学报》;20110531;第32卷(第5期);全文 * |
| 王海兵等.小排量汽车AMT离合器执行机构的效率设计.《四川兵工学报》.2011,第32卷(第5期),全文. * |
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| CN103033301A (en) | 2013-04-10 |
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