CN102494888A - Evaluation device of clutch pedal performance and evaluation method by utilizing device - Google Patents
Evaluation device of clutch pedal performance and evaluation method by utilizing device Download PDFInfo
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- CN102494888A CN102494888A CN2011103828212A CN201110382821A CN102494888A CN 102494888 A CN102494888 A CN 102494888A CN 2011103828212 A CN2011103828212 A CN 2011103828212A CN 201110382821 A CN201110382821 A CN 201110382821A CN 102494888 A CN102494888 A CN 102494888A
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- 238000011156 evaluation Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 34
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims description 26
- 238000010168 coupling process Methods 0.000 claims description 26
- 238000005859 coupling reaction Methods 0.000 claims description 26
- 238000006073 displacement reaction Methods 0.000 claims description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 5
- 238000003556 assay Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
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- 238000012360 testing method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
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- 230000002776 aggregation Effects 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
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- 238000011157 data evaluation Methods 0.000 description 1
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Abstract
The invention provides an evaluation device of clutch pedal performance and an evaluation method by utilizing the device, belonging to the measurement technology field. A problem that there is no special apparatus for testing and evaluating the clutch pedal performance at present is solved. The evaluation apparatus comprises a host computer, a sensor 1 which can measure acquisition force applied on a clutch pedal, and a sensor 2 which can measure motion stroke of the clutch pedal. Both the sensor 1 and the sensor 2 are electrically connected with the host computer. The sensor 1 is fixed with a fixing structure 1 which can position the sensor 1 on the clutch pedal. The sensor 2 is fixed with a fixing structure 2 which can position the sensor 2 on a vehicle body. The method which utilizes the above evaluation device to evaluate the vehicle clutch pedal performance comprises steps of sensor positioning, value measurement and analysis and evaluation. The evaluation device has the advantages of a simple structure, reasonable design, and a wide application scope. The evaluation device and the evaluation method have the advantage of scientific and accurate evaluation.
Description
Technical field
The invention belongs to field of measuring technique, relate to a kind of measurement for Evaluation device, particularly a kind of evaluating apparatus of clutch pedal performance.
The invention belongs to field of measuring technique, relate to a kind of measurement for Evaluation device, particularly a kind of method of utilizing the evaluating apparatus evaluation clutch pedal performance of clutch pedal performance.
Background technology
The haulage vehicle that the former finger of automobile is used as power with inflammable gas also refers to have and self equips power-actuated vehicle.
Clutch coupling is one of important components in the automobile; In its bell housing between engine and wheel box, clutch assembly is fixed on the back plane of flywheel with screw, the output shaft of clutch coupling is exactly the input shaft of wheel box.In vehicle traveling process, the driver can step on or release the clutch pedal as required, engine and wheel box are temporarily separated and engages gradually, to cut off or to transmit the power of engine to the variator input.
At present, the structure of clutch pedal is more, about the pertinent literature of clutch pedal like, the disclosed a kind of car clutch pedal mechanism [application number: 201110126519.0 of Chinese patent document; Publication number: C N102180093A; Comprise pedal, treadle lever, hinge and oil pump piston bar, hinge is a multidiameter, is set with bearing on the thick axle of hinge; Treadle lever top and bearing outer ring are welded as a whole; Oil pump piston bar upper end is contained on the thin axle of hinge, and cooperates with thin axle rotation, and the hinge two ends are rotary with nut.The disclosed a kind of clutch pedal mechanism [application number: 200920180771.8 of Chinese patent document and for example; Notification number: CN201573543U]; Comprise the clutch pedal support, the pedal turning axle is installed on the clutch pedal support, on the pedal turning axle pedal arm is installed; The pedal arm end is fixed with foot pedal pad; The servomechanism servomechanism is installed between pedal arm and the clutch pedal support comprises the spring top guide bar that is fixed on the clutch pedal support, also comprise through the servomechanism turning axle being connected guide pin bushing under the spring on the pedal arm, be provided with spring intermediate supports pad under described spring top guide bar and the spring between the guide pin bushing; Be provided with power assistant spring between spring top guide bar and the spring intermediate supports pad, be provided with down power assistant spring between the guide pin bushing under spring intermediate supports pad and the spring.
Obviously, the stroke of same clutch pedal clutch pedal in different state and acting force are all different; The clutch pedal of different structure required stroke and acting force under equal state is also different.Thus, clutch pedal is as controls, and its performance directly influences in the shift process driving sensation.
At present, there is not to be directed against specially the device of test evaluation clutch pedal performance.The performance of clutch pedal generally all is to estimate out this clutch pedal performance through veteran driver through steering vehicle; This evaluation method exists and wastes time and energy and evaluation result thinks that subjectivity is bigger, i.e. evaluation result science, inaccurate and do not have a public credibility.
Summary of the invention
The objective of the invention is to have the problems referred to above to existing technology, proposed a kind of can science and estimate the evaluating apparatus of the clutch pedal performance of clutch pedal performance exactly.
Another object of the present invention is to have proposed a kind ofly to estimate convenient, fast and utilize the evaluating apparatus of above-mentioned clutch pedal performance to estimate the method for vehicular clutch pedal performance accurately.
The object of the invention can be realized through following technical proposal: a kind of evaluating apparatus of clutch pedal performance; It is characterized in that this evaluating apparatus comprises that host computer, energy measurement go out to put on the sensor one of the power of gathering on the clutch pedal and the sensor two of energy measurement clutch pedal movement travel; Described sensor one all electrically connects with host computer with sensor two; Be fixed with on the described sensor one and can sensor one be positioned at the fixed sturcture one on the clutch pedal, be fixed with on the described sensor two and can sensor two be positioned at the fixed sturcture two on the automobile body.
Sensor one in this evaluating apparatus constitutes electric loop with sensor two and host computer.Sensor one and sensor two signal that produces that is triggered transfers in the host computer, has analysis and processing program in the host computer and stores the lot of test data.Fixed sturcture one is positioned at sensor one on the clutch pedal and can guarantees that each sensor is all identical with respect to the position of object of reference.Fixed sturcture two is positioned at sensor two on the vehicle body and can guarantees that each sensor is all identical with respect to the position of object of reference.
In the evaluating apparatus of above-mentioned clutch pedal performance, described fixed sturcture one comprises holder and fork, and described sensor one is fixedly connected with holder; One end of described fork is hinged on the holder, and the other end is provided with between locking member and this end and the holder and links to each other through above-mentioned locking member.Earlier this fixed sturcture one is set on the stampeding section of clutch pedal, handles locking member again and make that distance diminishes between the fork other end and the holder, and then realize fixing.In order to guarantee that each sensor is all identical with respect to the position of object of reference, can a side of holder be relied on the connecting rod of clutch pedal mutually.
In the evaluating apparatus of above-mentioned clutch pedal performance, described fixed sturcture one comprises holder and is located in some bands on the holder that described sensor one is fixedly connected with holder.
In the evaluating apparatus of above-mentioned clutch pedal performance, described fixed sturcture two comprises contiguous block one and contiguous block two, has locating slot one on the described contiguous block one, has on the described contiguous block two and the corresponding locating slot two in locating slot one position; Described locating slot one merges the groove that forms and treats that the shape of fixture is corresponding with locating slot two; Be provided with the closure that contiguous block one is fixedly connected with contiguous block two between described contiguous block one and the contiguous block two, described sensor two is fixedly connected with contiguous block one.
In the evaluating apparatus of above-mentioned clutch pedal performance, described fixed sturcture two comprises pedestal, and described sensor two is fixedly connected with pedestal; Be fixedly connected with a magnet on the described pedestal.
In the evaluating apparatus of above-mentioned clutch pedal performance, described sensor one is a pressure transducer; Described sensor two is optoelectronic distance sensor or stroke sensor.
In the evaluating apparatus of above-mentioned clutch pedal performance, has the jack that can link to each other on the described holder with the free end of stroke sensor backguy.This structure has been avoided clutch pedal itself not have with stroke sensor backguy connected structure effectively and has been caused the defective that can't be connected; This structure guarantees also that simultaneously each object of reference of measuring with respect to stroke sensor all is the same, avoids causing data variation not meet the setting of system in the host computer because of object of reference changes.
A kind of method of utilizing above-mentioned evaluating apparatus to estimate vehicular clutch pedal performance is characterized in that this method may further comprise the steps:
A, alignment sensor: sensor one is positioned on the tread of pedal; Sensor two is positioned on the vehicle body;
B, measurement numerical value: gaging clutch is positioned at free travel point, first abutment, complete abutment and/or the collection power at complete burble point place and the size of displacement; And signal transfers in the host computer correspondingly accordingly;
C, assay: host computer automatically analyzing and processing is imported earth signal and is demonstrated evaluation result.
The above-mentioned evaluating apparatus that utilizes above-mentioned is estimated in the method for vehicular clutch pedal performance, and described free travel point is to measure by following method: press clutch pedal with light finger, the collection power of the free travel point of record clutch coupling and the size of displacement.
The above-mentioned evaluating apparatus that utilizes above-mentioned is estimated in the method for vehicular clutch pedal performance, and described complete burble point is to measure by following method: step on clutch coupling, hang up 1 grade; Release the clutch pedal at leisure; Simultaneously draw shift bar up to the strike note of hearing soldered tooth, keep the position of shift bar, step on clutch coupling again and disappear up to noise towards the neutral gear direction; The position that keeps pin, the collection power of the complete burble point of record clutch coupling and the size of displacement.
The above-mentioned evaluating apparatus that utilizes above-mentioned is estimated in the method for vehicular clutch pedal performance; Described abutment just is to measure by following method: step on clutch coupling; Hang up 1 grade; Release the clutch pedal keeps the position of pin up to feeling that vehicle begins slowly to move at leisure, the collection power at the first abutment of record clutch coupling and the size of displacement.
The above-mentioned evaluating apparatus that utilizes above-mentioned is estimated in the method for vehicular clutch pedal performance; Described complete abutment is to measure by following method: step on clutch coupling; Hang up the most high-grade, tension parking brake or step on service brake, release the clutch pedal slowly is up to engine kill; The position that keeps pin, the collection power at the complete abutment of record clutch coupling and the size of displacement.
Compared with prior art, the evaluating apparatus of this clutch pedal performance has the following advantages:
1, this evaluating apparatus only comprises fixed sturcture one, fixed sturcture two, sensor one, sensor two and host computer, has advantage simple in structure and reasonable in design thus.
2, this evaluating apparatus is applicable to different model ground clutch pedal, has applied widelyly thus, can guarantee that automobile can be with the clutch pedal performance adjustment to consistent when dispatching from the factory simultaneously, and then safeguard the prestige of automobile brand effectively.
3, this evaluating apparatus only needs sensor one and sensor 211 fixingly accordingly, just can carry out test evaluation, simultaneously, adopts host computer automatically to calculate and estimate, and has easy to use, scientific in evaluation thus and advantage accurately.
4, this evaluating apparatus is gathered the acting force and the stroke of clutch pedal, and then according to the evaluation of judging of power and displacement relation, has scientific in evaluation thus and advantage accurately.
Capital and interest are estimated the data of the method energy measurement difference of vehicular clutch pedal performance with above-mentioned evaluating apparatus, and then obtain this clutch pedal performance according to the aggregation of data evaluation of being had a few, and obviously have scientific in evaluation and advantage accurately.
Description of drawings
Fig. 1 is sensor one and the structural representation of fixed sturcture one of the evaluating apparatus of this clutch pedal performance.
Fig. 2 is sensor two and the structural representation of fixed sturcture two of the evaluating apparatus of this clutch pedal performance.
Among the figure, 1, sensor one; 2, holder; 3, fork; 4, locking member; 5, jack; 6, contiguous block two; 61, locating slot two; 7, contiguous block one; 71, locating slot one; 8, sensor two; 81, backguy; 9, closure.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
As depicted in figs. 1 and 2, the evaluating apparatus of this clutch pedal performance comprises that host computer, energy measurement go out to put on the sensor 1 of the power of gathering on the clutch pedal and the sensor 28 of energy measurement clutch pedal movement travel; Sensor 1 all electrically connects with host computer with sensor 28.The evaluating apparatus of this clutch pedal performance also comprises and can sensor 1 is positioned at the fixed sturcture one on the clutch pedal and can sensor 28 be positioned at the fixed sturcture two on the automobile body.
More particularly, sensor 1 is a pressure transducer; Sensor 28 is optoelectronic distance sensor or stroke sensor.Sensor 1 is triggered with sensor 28 and the signal that produces all can transfer in the host computer.The host computer that present embodiment provides is PC.
As shown in Figure 1, fixed sturcture one comprises holder 2 and fork 3, and sensor 1 is fixedly connected with holder 2; One end of fork 3 is hinged on the holder 2, and the other end is provided with between locking member 4 and this end and the holder 2 and links to each other through above-mentioned locking member 4.Can form between fork 3 and the holder 2 one with the corresponding positioning chamber in clutch pedal stampeding section.Above-mentioned locking member 4 is a bolt and nut.In actual use fixed sturcture one is placed in the clutch pedal stampeding section, promptly positioning chamber is passed in the stampeding section, through the clamping screw nut sensor 1 is fixed on the stampeding section then.
According to actual conditions, fixed sturcture one can also adopt following scheme replacement.Fixed sturcture one comprises holder 2 and is located in some bands on the holder 2 that sensor 1 is fixedly connected with holder 2.In actual use, an end of band is walked around the stampeding section and is penetrated with the other end of band and spur an end of band, realizes being fixedly connected of holder 2 and stampeding section, and soon sensor 1 is fixed on the stampeding section.
Fixed sturcture two comprises contiguous block 1 and contiguous block 26, has locating slot 1 on the contiguous block 1, has on the contiguous block 26 and the corresponding locating slot 2 61 in locating slot one 71 positions; Locating slot 1 merges the groove that forms and treats that the shape of fixture is corresponding with locating slot 2 61; Be provided with the closure 9 that contiguous block 1 is fixedly connected with contiguous block 26 between contiguous block 1 and the contiguous block 26, sensor 28 is fixedly connected with contiguous block 1.The fixture of treating that present embodiment provides is a vehicle steering, and it is corresponding that locating slot 1 and locating slot 2 61 merges the cross sectional shape of ring part of the groove that forms and vehicle steering so.Closure 9 is one to have the bolt of handle, and bolt passes contiguous block 1 and is threaded with contiguous block 26, therefore can change the distance between contiguous block 1 and the contiguous block 26 through swing handle, and then contiguous block 1 and contiguous block 26 be locked in treat on the fixture.
According to actual conditions, fixed sturcture two can also adopt following scheme replacement.Fixed sturcture two comprises pedestal, and sensor 28 is fixedly connected with pedestal; Be fixedly connected with a magnet on the pedestal.Treat in this programme that fixture can be automotive floor panel, promptly pedestal is adsorbed on the automotive floor panel through magnet, and then realizes the fixing of sensor 28.
The backguy 81 of displacement sensing is linked to each other, so have the jack 5 that can link to each other at holder 2 with the free end of stroke sensor backguy 81 with clutch pedal.
The method that capital and interest are estimated vehicular clutch pedal performance with above-mentioned evaluating apparatus comprises alignment sensor, measures numerical value and assay.
Specifically, alignment sensor comprises that sensor 1 is positioned on the tread of pedal; Sensor 28 is positioned on the vehicle body.The scheme that present embodiment provides is that sensor 1 is pressure transducer, and it is positioned on the pedal stampeding section through above-mentioned fixed sturcture one and guarantees that alignment sensor 1 is corresponding with tread.The power that applies during people's controlled clutch acts on earlier on the sensor 1, and the collection power that makes sensor 1 obtain like this is the most direct data, and then can guarantee the accuracy of data.
Sensor 28 is a displacement transducer, and it is positioned on the vehicle steering through fixed sturcture two, and backguy 81 links to each other with jack 5 places in the fixed sturcture one.This structure can guarantee that each object of reference of measuring all is the same, avoids causing data variation not meet the setting of system in the host computer because of object of reference changes.
Measure numerical value and be manipulation through people clutch pedal is under the required state, collection power size and the displacement transducer that pressure transducer obtains obtains the size of displacement, and the general accordingly signal transfer in the host computer correspondingly.Above-mentioned state comprises free travel point, first abutment, complete abutment and complete burble point.
The free travel point is a free clearance of investigating clutch pedal.The free travel point can be measured by following method: press clutch pedal with light finger, the collection power of the free travel point of record clutch coupling and the size of displacement.
Burble point is that investigation clutch pressure plate and divided flywheel leave the position of power interruption fully.Burble point can be measured by following method fully: step on clutch coupling; Hang up 1 grade, release the clutch pedal draws shift bar up to the strike note of hearing soldered tooth towards the neutral gear direction simultaneously at leisure; The position that keeps shift bar; Step on clutch coupling again and disappear, keep the position of pin, the collection power of the complete burble point of record clutch coupling and the size of displacement up to noise.
Just the abutment is to consider that clutch pressure plate and flywheel rigidly connect to touch power transmission position at that moment.Just the abutment can be measured by following method: step on clutch coupling, hang up 1 grade, release the clutch pedal keeps the position of pin up to feeling that vehicle begins slowly to move at leisure, the collection power at the first abutment of record clutch coupling and the size of displacement.
The abutment is record clutch pressure plate and the complete position contacting of flywheel fully.The abutment can be measured by following method fully: step on clutch coupling; Hang up the most high-grade, tension parking brake or step on service brake, release the clutch pedal slowly is up to engine kill; The position that keeps pin, the collection power at the complete abutment of record clutch coupling and the size of displacement.
Assay is a host computer analyzing and processing input earth signal and demonstrate evaluation result automatically.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used sensor 1 morely; Holder 2; Fork 3; Locking member 4; Jack 5; Contiguous block 26; Locating slot 2 61; Contiguous block 1; Locating slot 1; Sensor 28; Backguy 81; Closure 9 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (10)
1. the evaluating apparatus of a clutch pedal performance is characterized in that, this evaluating apparatus comprises that host computer, energy measurement go out to put on the sensor one (1) of the power of gathering on the clutch pedal and the sensor two (8) of energy measurement clutch pedal movement travel; Described sensor one (1) and sensor two (8) all electrically connect with host computer; Be fixed with on the described sensor one (1) and can sensor one (1) be positioned at the fixed sturcture one on the clutch pedal, be fixed with on the described sensor two (8) and can sensor two (8) be positioned at the fixed sturcture two on the automobile body.
2. the evaluating apparatus of clutch pedal performance according to claim 1 is characterized in that, described fixed sturcture one comprises holder (2) and fork (3), and described sensor one (1) is fixedly connected with holder (2); One end of described fork (3) is hinged on the holder (2), and the other end is provided with between locking member (4) and this end and the holder (2) and links to each other through above-mentioned locking member (4); Or described fixed sturcture one comprises holder (2) and is located in some bands on the holder (2) that described sensor one (1) is fixedly connected with holder (2).
3. the evaluating apparatus of clutch pedal performance according to claim 1; It is characterized in that; Described fixed sturcture two comprises contiguous block one (7) and contiguous block two (6); Have locating slot one (71) on the described contiguous block one (7), have on the described contiguous block two (6) and the corresponding locating slot two (61) in locating slot one (71) position; Described locating slot one (71) merges the groove that forms and treats that the shape of fixture is corresponding with locating slot two (61); Be provided with the closure (9) that contiguous block one (7) is fixedly connected with contiguous block two (6) between described contiguous block one (7) and the contiguous block two (6), described sensor two (8) is fixedly connected with contiguous block one (7); Or described fixed sturcture two comprises pedestal, and described sensor two (8) is fixedly connected with pedestal; Be fixedly connected with a magnet on the described pedestal.
4. according to the evaluating apparatus of claim 2 or 3 described clutch pedal performances, it is characterized in that described sensor one (1) is a pressure transducer; Described sensor two (8) is optoelectronic distance sensor or stroke sensor.
5. the evaluating apparatus of clutch pedal performance according to claim 4 is characterized in that, has the jack (5) that can link to each other with the free end of stroke sensor backguy (81) on the described holder (2).
6. method of utilizing any evaluating apparatus in above-mentioned 1 to 5 to estimate vehicular clutch pedal performance is characterized in that this method may further comprise the steps:
A, alignment sensor: sensor one (1) is positioned on the tread of pedal; Sensor two (8) is positioned on the vehicle body;
B, measurement numerical value: gaging clutch is positioned at free travel point, first abutment, complete abutment and/or the collection power at complete burble point place and the size of displacement; And signal transfers in the host computer correspondingly accordingly;
C, assay: host computer automatically analyzing and processing is imported earth signal and is demonstrated evaluation result.
7. the method for utilizing above-mentioned evaluating apparatus to estimate vehicular clutch pedal performance according to claim 6; It is characterized in that; Described free travel point is to measure by following method: press clutch pedal with light finger, the collection power of the free travel point of record clutch coupling and the size of displacement.
8. the method for utilizing above-mentioned evaluating apparatus to estimate vehicular clutch pedal performance according to claim 6; It is characterized in that described complete burble point is to measure by following method: step on clutch coupling, hang up 1 grade; Release the clutch pedal at leisure; Simultaneously draw shift bar up to the strike note of hearing soldered tooth, keep the position of shift bar, step on clutch coupling again and disappear up to noise towards the neutral gear direction; The position that keeps pin, the collection power of the complete burble point of record clutch coupling and the size of displacement.
9. according to claim 6 or the 7 or 8 described methods of utilizing above-mentioned evaluating apparatus to estimate vehicular clutch pedal performance; It is characterized in that; Described abutment just is to measure by following method: step on clutch coupling, hang up 1 grade, release the clutch pedal is up to feeling that vehicle begins slowly to move at leisure; The position that keeps pin, the collection power at the first abutment of record clutch coupling and the size of displacement.
10. according to claim 6 or the 7 or 8 described methods of utilizing above-mentioned evaluating apparatus to estimate vehicular clutch pedal performance; It is characterized in that described complete abutment is to measure by following method: step on clutch coupling, hang up the most high-grade; Strain parking brake or step on service brake; Release the clutch pedal slowly keeps the position of pin up to engine kill, the collection power at the complete abutment of record clutch coupling and the size of displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110382821.2A CN102494888B (en) | 2011-11-28 | 2011-11-28 | Evaluation device of clutch pedal performance and evaluation method by utilizing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110382821.2A CN102494888B (en) | 2011-11-28 | 2011-11-28 | Evaluation device of clutch pedal performance and evaluation method by utilizing device |
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| CN102494888A true CN102494888A (en) | 2012-06-13 |
| CN102494888B CN102494888B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110382821.2A Expired - Fee Related CN102494888B (en) | 2011-11-28 | 2011-11-28 | Evaluation device of clutch pedal performance and evaluation method by utilizing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102867503A (en) * | 2012-09-28 | 2013-01-09 | 张硕 | Street music sounder |
| CN106198002A (en) * | 2016-08-10 | 2016-12-07 | 宁波宏协股份有限公司 | A kind of pedal force is comprehensive performance test bed |
| CN107576514A (en) * | 2017-10-20 | 2018-01-12 | 上海同驭汽车科技有限公司 | A kind of automobile brake sensory test instrument |
| CN110398684A (en) * | 2019-07-10 | 2019-11-01 | 北京汽车股份有限公司 | Method for diagnosing faults, system and the automobile of automatic clutch switch |
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| JPS61244949A (en) * | 1985-04-20 | 1986-10-31 | Mazda Motor Corp | Control device for automatic auxiliary reduction gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102867503A (en) * | 2012-09-28 | 2013-01-09 | 张硕 | Street music sounder |
| CN106198002A (en) * | 2016-08-10 | 2016-12-07 | 宁波宏协股份有限公司 | A kind of pedal force is comprehensive performance test bed |
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| CN110398684B (en) * | 2019-07-10 | 2021-11-23 | 北京汽车股份有限公司 | Fault diagnosis method and system for automobile clutch switch and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102494888B (en) | 2014-04-16 |
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