CN103083853A - On-line detecting system for pedal response - Google Patents
On-line detecting system for pedal response Download PDFInfo
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- CN103083853A CN103083853A CN2013100131639A CN201310013163A CN103083853A CN 103083853 A CN103083853 A CN 103083853A CN 2013100131639 A CN2013100131639 A CN 2013100131639A CN 201310013163 A CN201310013163 A CN 201310013163A CN 103083853 A CN103083853 A CN 103083853A
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Abstract
The invention discloses an on-line detecting system for pedal response. The on-line detecting system for the pedal response applies the modern measuring technique based on machine vision , combines the modern measuring technique with resistance strain measurement and vibration measurement, uses virtual signal analyzing software and hardware technique, conducts on-line and real-time detections for static-dynamic strain, vibration response and mechanical dynamic characteristic parameters on selected spots, and provides measured data for athlete trainings and development of novel jump pedal. The concrete implementation is that a strain rosette and a vibration sensor are attached on a testing spot under the pedal, relevant signals are transmitted to a strain meter and a vibration meter in a wired or wireless mode, and the signals are transmitted to a signal analyzer after being transformed and amplified. A volume label spot is attached to a testing spot on the pedal to obtain dynamic coordinate value change, a digit camera or a video camera is used to record the dynamic coordinate value change, and the signals are transmitted to the signal analyzer for analysis and process. The detecting system has no influence on the use of the pedal and normal exercises of an athlete. The detecting system can not only be used for the athlete trainings and the on-line detection for wear-force of the pedal and the pedal response, but also is an effective auxiliary means for a novel pedal developer.
Description
Technical field
Patent of the present invention is to adopt chip punctuate, small-sized triaxial resistance strain gage, micro-vibration sensor (comprising displacement transducer, velocity sensor, acceleration transducer), digital camera or Digital photographing machine, deformeter, vialog and control subjunctive mood signal analyzer etc. to form pedal response on-line detecting system.
Paste small-sized triaxial resistance strain gage and micro-vibration sensor (comprising displacement transducer, velocity sensor, acceleration transducer) on selected measuring point below pedal, with ligament, strain and acceleration responsive signal are transferred to deformeter and vialog, are transferred to again control subjunctive mood signal analyzer and carry out real-time analysis and process and obtain corresponding data, curve, chart and animation demonstration etc. after conversion is amplified.
Paste the chip punctuate on selected measuring point on pedal, the displacement deformation situation that reflects on pedal selected measuring point with digital camera or the online real time record last volume of Digital photographing machine punctuate, then its signal is delivered to control subjunctive mood signal analyzer carry out real-time analysis and process and obtain corresponding data, curve, chart and animation demonstration etc.
The achievement of track and field long-jump project depends on athletic run-up level to a great extent, and it is by accelerating, contact to earth and the link such as take-off consisting of.How the last resultant effect of objective this serial link of effectively evaluating measures the signals such as displacement, speed, acceleration, strain of selected measuring point on the dynamic response of take-off pedal such as pedal online in real time, carrying out analyzing and processing by the subjunctive mood signal analyzer again and obtain corresponding data, curve, chart and animation demonstration etc., is exactly objective effectively evaluating means.
For example, can carry out the auto-power spectrum analysis by the dynamic response signal to measuring pedal measuring point, from the pro rate situation of auto-power spectrum three coordinate directions in the space just can objective this sportsman of effective Quantitative evaluation whether the technical movements in an instant the time hold water in the pedal take-off.
By digital camera or Digital photographing machine with non-contacting measurement mode at a high speed, the dynamic label point that is attached on pedal that measures changes to obtain label point dynamic coordinate figure in the three-dimensional space, in order to position, movement locus, displacement, deflection and the speed of analyzing measuring point on pedal, acceleration etc.Can also carry out simultaneously multimetering.
Visual image result let us can get information about pedal complete dynamic change behavior in sportsman's take-off process very much.
When development of new plays duckboard, can fully understand by means of the spatial position change situation of above-mentioned strain-responsive, vibratory response (comprising displacement response, speed responsive, acceleration responsive etc.) and label point the result of use of pedal.Simultaneously, can measure the relevant mechanical property parameters such as intensity, rigidity and the vibration shape of pedal in sportsman's take-off process.And to the mechanical model of Novel pedal, Structural Static, resistance to vibration analysis, model analysis is forced to response analysis etc. and carries out verification experimental verification.
Training and developing of Novel pedal that patent pedal response on-line detecting system of the present invention is used for the long jumper are all very effective means and instrument.Can be widely used in the teaching of professional long jumper's daily workout and track and field school, be also a kind of very effectively the test supplementary means of pedal manufacturing firm when developing Novel pedal.
Background technology
Along with track-and-field more and more universal, particularly domestic track and field sports have had significant progress in recent years, achievement and the status in international field circles such as China track and field sports player such as Liu Xiang are more and more higher, accordingly, the track and field sports level of training of China and the development of relevant the equipment also utmost point need to improve thereupon, more need develop in advance, patent pedal response on-line detecting system of the present invention Development and design under such background.All belong to pioneering at home and abroad.Both at home and abroad all also not effectively with quasi-instrument and means, patent of the present invention has in time been filled up this blank at present.
Summary of the invention
Patent of the present invention adopts chip punctuate, small-sized triaxial resistance strain gage, micro-vibration sensor (comprising displacement transducer, velocity sensor, acceleration transducer), digital camera or Digital photographing machine, deformeter, vialog and control subjunctive mood signal analyzer etc. to form pedal response on-line detecting system.
The technical scheme that patent of the present invention adopts is as follows:
Patent pedal response on-line detecting system of the present invention mainly is comprised of chip punctuate ⑴, small-sized triaxial resistance strain gage ⑵, micro-vibration sensor ⑶ (comprising displacement transducer, velocity sensor, acceleration transducer), digital camera or Digital photographing machine ⑷, deformeter ⑸, vialog ⑹ and control subjunctive mood signal analyzer ⑺ etc.
Chip punctuate ⑴ sticks on selected measuring point above pedal ⑻.Small-sized triaxial resistance strain gage ⑵ and micro-vibration sensor (comprising displacement transducer, velocity sensor, acceleration transducer) ⑶ pastes on the selected measuring point be arranged on below pedal ⑻.
After the response signal of each small-sized triaxial resistance strain gage ⑵ and micro-vibration sensor ⑶ (comprising displacement transducer, velocity sensor, acceleration transducer) is sent to respectively deformeter ⑸ and vialog ⑹ process conversion amplification by wire, be transferred to again control subjunctive mood signal analyzer ⑺ and carry out analyzing and processing according to different needs, obtain at last needed data, curve, chart and animation demonstration etc.
The demarcation of whole quiet, dynamic strain measuring system and vibration test system and fixed degree all carry out according to the relevant specification of country.
System calibrating and Ding Du based on machine vision metrology carry out according to corresponding technical specification.
Compared with prior art, the advantage of patent of the present invention is:
1, in existing long-jump campaign, yet there are no the report of the method for measuring the pedal response and instrument aspect.Patent pedal response on-line detecting system of the present invention belongs to pioneering both at home and abroad.
2, each that adopts in patent of the present invention is about measurement links is all technology and theory comparatively ripe in the Present Mechanical Engineering measuring technology, and after carrying out the redevelopment of certain transformation conversion and secondary, its concrete enforcement is feasible.
3, the enforcement of patent of the present invention is used, and will make long jumper's daily workout and developing of Novel pedal all will jump onto a new step, produces fabulous effect.
Description of drawings
Accompanying drawing 1 is the composition schematic diagram of patent pedal response on-line detecting system of the present invention.
The specific embodiment
As shown in Figure 1, chip punctuate ⑴ sticks on selected measuring point above pedal ⑻.Small-sized triaxial resistance strain gage ⑵ and micro-vibration sensor ⑶ (comprising displacement transducer, velocity sensor, acceleration transducer) paste on the selected measuring point be arranged on below pedal ⑻.
After the response signal of each small-sized triaxial resistance strain gage ⑵ and micro-vibration sensor (comprising displacement transducer, velocity sensor, acceleration transducer) ⑶ is sent to respectively deformeter ⑸ and vialog ⑹ process conversion amplification by wire, be transferred to again control subjunctive mood signal analyzer ⑺ and carry out analyzing and processing according to different needs, obtain at last needed data, curve, chart and animation demonstration etc.
The demarcation of whole quiet, dynamic strain measuring system and vibration test system and fixed degree all carry out according to the relevant specification of country.
System calibrating and Ding Du based on machine vision metrology carry out according to corresponding technical specification.
Claims (8)
1. the pedal response at thread detector, is characterized in that mainly being comprised of chip punctuate ⑴, small-sized triaxial resistance strain gage ⑵, micro-vibration sensor ⑶ (comprising displacement transducer, velocity sensor, acceleration transducer), digital camera or Digital photographing machine ⑷, deformeter ⑸, vialog ⑹ and control subjunctive mood signal analyzer ⑺ etc.
2. pedal response on-line detecting system according to claim 1, is characterized in that the chip punctuate ⑴ of this pedal response on-line detecting system sticks on the selected measuring point of pedal ⑻ upper surface.
3. pedal response on-line detecting system according to claim 1, is characterized in that the small-sized triaxial resistance strain gage ⑵ of this pedal response on-line detecting system and micro-vibration sensor ⑶ (comprising displacement transducer, velocity sensor, acceleration transducer) stickup are arranged on the selected measuring point of pedal lower surface.
4. pedal according to claim 1 responds on-line detecting system, it is characterized in that the strain testing of this pedal response on-line detecting system and vibration-testing except the mode that can adopt wire transmission, can also adopt the mode of wireless telemetering to carry out picking up of signal transmission.
5. pedal according to claim 1 response on-line detecting system is characterized in that the spatial position change situation that sticks on chip punctuate ⑴ on pedal ⑻ upper surface measuring point can carry out wireless shooting by digital camera or Digital photographing machine ⑷.
6. pedal response on-line detecting system according to claim 1, is characterized in that both can adopting desktop computer based on the control subjunctive mood signal analyzer ⑺ of software engineering, also can adopt the notebook computer with interface box.
7. pedal according to claim 1 responds on-line detecting system, it is characterized in that deformeter ⑸ and vialog ⑹ can be arranged in computer host box and become one when the control subjunctive mood signal analyzer ⑺ based on software engineering adopts desktop computer.
8. pedal according to claim 1 responds on-line detecting system, it is characterized in that when the control subjunctive mood signal analyzer ⑺ based on software engineering adopts notebook computer, deformeter ⑸ and vialog ⑹ are arranged in interface box, are connected with notebook computer more afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100131639A CN103083853A (en) | 2013-01-14 | 2013-01-14 | On-line detecting system for pedal response |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100131639A CN103083853A (en) | 2013-01-14 | 2013-01-14 | On-line detecting system for pedal response |
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| CN103083853A true CN103083853A (en) | 2013-05-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793854Y (en) * | 2005-02-25 | 2006-07-05 | 唐山学院 | External member of virtual instrument |
| WO2006119039A2 (en) * | 2005-04-29 | 2006-11-09 | University Of Vermont And State Agricultural College | Method of making a decision on the status of a mechanical system using input and response date acquired in situ |
| KR100669070B1 (en) * | 2005-05-27 | 2007-01-15 | 건양대학교산학협력단 | Wireless telemetry system for monitoring structure |
| KR20090032653A (en) * | 2007-09-28 | 2009-04-01 | 한국전력공사 | Apparatus for measuring vibration modal and method thereof |
| CN102607636A (en) * | 2012-04-09 | 2012-07-25 | 南京理工大学 | Comparison type calibration method for dynamic measurement system |
| CN102657932A (en) * | 2012-05-24 | 2012-09-12 | 西南石油大学 | Tennis racket response online detector |
| CN102706270A (en) * | 2012-07-02 | 2012-10-03 | 西南石油大学 | Recurve bow response on-line detection system |
-
2013
- 2013-01-14 CN CN2013100131639A patent/CN103083853A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793854Y (en) * | 2005-02-25 | 2006-07-05 | 唐山学院 | External member of virtual instrument |
| WO2006119039A2 (en) * | 2005-04-29 | 2006-11-09 | University Of Vermont And State Agricultural College | Method of making a decision on the status of a mechanical system using input and response date acquired in situ |
| KR100669070B1 (en) * | 2005-05-27 | 2007-01-15 | 건양대학교산학협력단 | Wireless telemetry system for monitoring structure |
| KR20090032653A (en) * | 2007-09-28 | 2009-04-01 | 한국전력공사 | Apparatus for measuring vibration modal and method thereof |
| CN102607636A (en) * | 2012-04-09 | 2012-07-25 | 南京理工大学 | Comparison type calibration method for dynamic measurement system |
| CN102657932A (en) * | 2012-05-24 | 2012-09-12 | 西南石油大学 | Tennis racket response online detector |
| CN102706270A (en) * | 2012-07-02 | 2012-10-03 | 西南石油大学 | Recurve bow response on-line detection system |
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Application publication date: 20130508 |