CN107617189B - A kind of high jump pad and its application method based on RFID - Google Patents
A kind of high jump pad and its application method based on RFID Download PDFInfo
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- CN107617189B CN107617189B CN201710716471.6A CN201710716471A CN107617189B CN 107617189 B CN107617189 B CN 107617189B CN 201710716471 A CN201710716471 A CN 201710716471A CN 107617189 B CN107617189 B CN 107617189B
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Abstract
The invention discloses a kind of high jump pad and its application method based on RFID, belong to sports equipment technical field, including high jump pad body and pedestal, which is characterized in that further include: the first reader: it is used to carry out information transmission with location tags, first movement label and the second mobile tag；Location tags: for providing reference position information；First movement label is worn on the body of sportsman, for completing the information exchange with location tags, then sends interactive information to first reader；Second mobile tag is arranged on the central point of mobile high jump pad, for completing the information exchange with location tags, then sends interactive information to first reader；The geography information of high jump runway is mapped to an electronic map, interactive information is sent to controller by the first reader with location information, controller passes through two groups of coordinate datas of location Calculation first movement label and the second mobile tag, then high jump pad is controlled by controller, realizes that pursuit movement person is padded in high jump.
Description
Technical field
The invention belongs to sports equipment technical fields, and in particular to a kind of high jump pad and its application method based on RFID.
Background technique
The protection of sport high jump pad can be arranged in the other side of high-jump rod in the high jumps projects such as the flop styleback style in sport high jump project
Sportsman, but existing sport high jump pad is all located in motionless on ground or can only move along a straight line, if sportsman
Due to lateral velocity jump after pick-up point high jump pad marginal position perhaps outside since high jump pad does not move or only can
Linear motion, sportsman may fall on the ground, and the physical feelings such as sprain one's ankle.
Summary of the invention
According to the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to propose a kind of jump based on RFID
Height pad and its application method by calculating the position coordinates of sportsman, while allowing the location of the core pursuit movement person of high jump pad,
So that sportsman falls in high jump pad center always.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of high jump pad based on RFID, including high jump pad body and pedestal, further includes: the first reader: it is used to and position
It sets label, first movement label and the second mobile tag and carries out information transmission；Location tags: for providing reference position information；
First movement label: first movement label is worn on the body of sportsman, for completing the information exchange with location tags, then
Send interactive information to first reader；Second mobile tag: the central point of mobile high jump pad is arranged in the second mobile tag
On, for completing the information exchange with location tags, then send interactive information to first reader；The controller is with position
Setting label is reference point, the geography information of high jump runway is mapped to an electronic map, when location tags response first movement
When label and the second mobile tag, interactive information is sent to controller by the first reader with location information, and controller is logical
Two groups of coordinate datas for crossing location Calculation first movement label and the second mobile tag, then control high jump by controller
Pad realizes that pursuit movement person is padded in high jump.There are three the location tags, is separately fixed at both ends on the left of the pedestal below high jump pad
And middle position on the right side of pedestal.The upper surface of described pedestal is additionally provided with electric power steering apparatus.The electric power steering
Device includes control circuit, steering module and driving circuit and motor, after the collected torque of signal acquisition circuit and conversion
After speed signal send control circuit to handle, then control signal is issued to signal sending circuit, turn through overdrive circuit driving motor
It is dynamic.The high jump pad further includes the second reader that the plane where high-jump rod generates radiofrequency signal.
The application method of the high jump pad based on RFID includes the following steps:
Step 1: sportsman obtains first movement label and second by the first reader from high-jump rod take-off, controller
The radiofrequency signal of mobile tag obtains two groups of number of coordinates of first movement label and the second mobile tag by location Calculation
According to；
Step 2: controller controls the movement of high jump pad by electric power steering apparatus, makes high jump pad central point tracking
The position of sportsman.
The application method is before step 1 further include: the second reader sends orientation radio frequency to plane where high-jump rod
Signal obtains the signal of first movement label, after detecting first movement label, executes instruction to controller transmission, controller
The radiofrequency signal of first movement label and the second mobile tag is obtained by the first reader.
Location Calculation in the step 1 using signal strength and distance decay formula:
The corresponding relationship of location tags and first movement label in electronic map:
Lao2=(Xa-X0)2+(Ya-Y0)2 (1)
Lbo2=(Xb-X0)2+(Yb-Y0)2 (2)
Lco2=(Xc-X0)2+(Yc-Y0)2 (3)
Wherein, (Xa, Ya)、(Xb, Yb) and (Xc, Yc) be respectively location tags a, b and c coordinate；
The decay formula of signal strength and distance:
[RSSI (a)-N]=AQLao-n (4)
[RSSI (b)-N]=AQLbo-n (5)
[RSSI (c)-N]=AQLco-n (6)
Wherein, A is constant, and n is damped expoential, Lao, Lbo, Lco be respectively location tags a to first movement label away from
With a distance from, location tags b to first movement label, the distance of location tags c to first movement label, Q is transmission power, N
For ambient noise, RSSI is signal strength.
The medicine have the advantages that
A kind of high jump pad and its application method based on RFID of the invention can be with locating and tracking pogo stick personnel, even if pogo stick
The movement of personnel twists, and sportsman will not fall to the ground, but falls in the center of high jump pad always.
Detailed description of the invention
Content expressed by this specification attached drawing and the label in figure are briefly described below:
Fig. 1 is the system schematic of a specific embodiment of the invention.
Fig. 2 is the calculating schematic diagram of a specific embodiment of the invention.
Fig. 3 is the system construction drawing of a specific embodiment of the invention.
Fig. 4 is the flowage structure figure of a specific embodiment of the invention.
Specific embodiment
Below by the description to embodiment, the shape of for example related each component of a specific embodiment of the invention, structure
It makes, the mutual alignment between each section and connection relationship, the effect of each section and working principle, manufacturing process and the side of operating with
Method etc., is described in further detail, completeer to help those skilled in the art to have inventive concept of the invention, technical solution
Whole, accurate and deep understanding.
Subject of the present invention thinking is: high jump pad of the invention includes controller, the first reader, location tags and movement
Label, wherein location tags include three, and mobile tag includes first movement label and the second mobile tag, first movement mark
Label are worn on the body of sportsman, and the second mobile tag is arranged on the central point of mobile high jump pad.Location tags setting is being jumped
The midpoint of two-end-point and right side on the left of height pad bottom base, the position of location tags is fixed, and opposite ground is quiet
Only.The position of two mobile tags is confirmed by controller, the first reader and location tags, controller is jumped by control
The movement mechanism of height pad keeps the horizontal X of two mobile tags, Y-coordinate consistent, guarantees that sportsman is in the center of high jump pad always
Position.At the same time, sportsman will carry out run-up before take-off, in order to guarantee that high jump pad effectively moves, by jumping
Second reader is set on high bar to determine the mobile starting point of high jump pad.
Using location tags as reference point, an electronic map is made in the geography information in the place of high jump, works as location tags
When response first movement label, interactive information (signal strength) is sent to controller by the first reader with location information,
Controller is by Database Mapping and position and first and second mobile tag that high jump paves jump point is calculated in electricity
Coordinate in sub- map.
Specifically, setting the starting time of high jump pad first, the second reader uses directional aerial, signs perpendicular to ground
Electromagnetic signals in plane, synchronized transmissions wireless signal, the second reader carry out nothing by antenna and RFID electronic label
Line communication, may be implemented the read or write operation to tag recognition code and internal storage data, is detected using the second reader
Target is assured that the time across high-jump rod of RFID label tag to be detected in electromagnetic wave signal plane.
After high jump pad is activated, by taking first movement label as an example, its coordinate is calculated:
The corresponding relationship of location tags and first movement label in electronic map:
Lao2=(Xa-X0)2+(Ya-Y0)2 (1)
Lbo2=(Xb-X0)2+(Yb-Y0)2 (2)
Lco2=(Xc-X0)2+(Yc-Y0)2 (3)
Here, (Xa, Ya)、(Xb, Yb) and (Xc, Yc) be respectively location tags a, b and c coordinate；
Relationship between signal strength and signal source is following (wherein, RSSI is signal strength):
[RSSI (a)-N]=AQLao-n (4)
[RSSI (b)-N]=AQLbo-n (5)
[RSSI (c)-N]=AQLco-n (6)
Here A be constant, n is damped expoential, obtained by field measurement, or use empirical value, Lao, Lbo, Lco distinguish
For location tags a to the distance of first movement label, the distance of location tags b to first movement label, location tags c to first
The distance of mobile tag, Q is transmission power, adjustable, maximum value 20dBm；N is ambient noise.Thus calculation method can be with
Obtain the coordinate (X of first movement label0, Y0).Similarly calculate coordinate of the high jump pad central point relative to three location tags.
Second mobile tag of high jump pad also carries out calculating position, while location information being sent to by the first reader
First movement label and the location information of the second mobile tag are compared, are then transferred data to by controller, controller
The transfer of high jump pad completes the steering and movement of high jump pad by control system and drive system.
Finally, the telecontrol equipment of the high jump pad of the design includes electric power steering apparatus, the bottom of high jump pad is set
And the upper surface of pedestal, specifically include these three parts of control system, steering module and drive part composition, control system mainly by
Signal acquisition circuit, single-chip microcontroller and signal sending circuit composition.Wherein single-chip microcontroller is the core component of control section, signal acquisition
After speed signal after the collected torque of circuit and conversion send single-chip microcontroller to handle, single-chip microcontroller issues control signal again and sends out to signal
Power transmission road is rotated through overdrive circuit driving motor.Steering module is mainly made of hydraulic electric motor, angular displacement sensor.It rises
The generation of steering assistance power, transmitting and interrupt effect.And drive part is the concrete embodiment of Power assisted control mode, it by
Control mode and control strategy determine.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out, or not improved this is sent out
Bright conception and technical scheme directly apply to other occasions, within the scope of the present invention.Protection of the invention
Range should be determined by the scope of protection defined in the claims.
Claims (8)
1. a kind of high jump pad based on RFID, including high jump pad body and pedestal, which is characterized in that further include:
Controller；
First reader: it is used to carry out information transmission with location tags, first movement label and the second mobile tag；
Location tags: for providing reference position information；
First movement label: first movement label is worn on the body of sportsman, for completing the information exchange with location tags,
Then interactive information is sent to first reader；
Second mobile tag: the second mobile tag is arranged on the central point of mobile high jump pad, for completing and location tags
Then information exchange sends interactive information to first reader；
The controller is mapped to an electronic map using location tags as reference point, by the geography information of high jump runway, works as position
When setting tag responses first movement label and the second mobile tag, interactive information is transmitted with location information by the first reader
To controller, controller passes through two groups of coordinate datas of location Calculation first movement label and the second mobile tag, then passes through
Controller controls high jump pad, realizes that pursuit movement person is padded in high jump.
2. the high jump pad according to claim 1 based on RFID, it is characterised in that: there are three the location tags, respectively
It is fixed on both ends and pedestal right side middle position on the left of the pedestal below high jump pad.
3. the high jump pad according to claim 1 based on RFID, it is characterised in that: the upper surface of described pedestal is additionally provided with electricity
Dynamic servo steering device.
4. the high jump pad according to claim 3 based on RFID, it is characterised in that: the electric power steering apparatus includes
Speed signal hair after control circuit, steering module, driving circuit and motor, the collected torque of signal acquisition circuit and conversion
After being sent to control circuit processing, control circuit issues control signal to signal sending circuit, turns through overdrive circuit driving motor
It is dynamic.
5. the high jump pad according to claim 1 based on RFID, it is characterised in that: the high jump pad further includes in high-jump rod
Second reader of place plane generation radiofrequency signal.
6. the application method of the high jump pad described in -5 any one based on RFID according to claim 1, it is characterised in that: including
Following steps:
Step 1: sportsman obtains first movement label and the second movement by the first reader from high-jump rod take-off, controller
The radiofrequency signal of label obtains two groups of coordinate datas of first movement label and the second mobile tag by location Calculation；
Step 2: controller controls the movement of high jump pad by electric power steering apparatus, and high jump is made to pad central point pursuit movement
The position of member.
7. the application method of the high jump pad according to claim 6 based on RFID, it is characterised in that: the application method exists
Before step 1 further include: the second reader sends orientation radiofrequency signal to plane where high-jump rod, obtains first movement label
Signal, after detecting first movement label, to controller transmission execute instruction, controller by the first reader obtain first
The radiofrequency signal of mobile tag and the second mobile tag.
8. the application method of the high jump pad according to claim 6 based on RFID, it is characterised in that: in the step 1
Location Calculation using signal strength and distance decay formula:
The corresponding relationship of location tags and first movement label in electronic map:
Lao2=(Xa-X0)2+(Ya-Y0)2 (1)
Lbo2=(Xb-X0)2+(Yb-Y0)2 (2)
Lco2=(Xc-X0)2+(Yc-Y0)2 (3)
Wherein, (Xa, Ya)、(Xb, Yb) and (Xc, Yc) be respectively location tags a, b and c coordinate, (X0, Y0) indicate first movement
The coordinate of label；
The decay formula of signal strength and distance:
[RSSI (a)-N]=AQLao-n (4)
[RSSI (b)-N]=AQLbo-n (5)
[RSSI (c)-N]=AQLco-n (6)
Wherein, A is constant, and n is damped expoential, Lao, Lbo, Lco be respectively location tags a to first movement label distance,
Distance of the location tags b to first movement label, the distance of location tags c to first movement label, Q is transmission power, and N is ring
Border noise, RSSI are signal strength, and the signal that RSSI (a), RSSI (b), RSSI (c) are respectively indicated at location tags a, b and c is strong
Degree.
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| CN201710716471.6A CN107617189B (en) | 2017-08-21 | 2017-08-21 | A kind of high jump pad and its application method based on RFID |
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| CN201710716471.6A CN107617189B (en) | 2017-08-21 | 2017-08-21 | A kind of high jump pad and its application method based on RFID |
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| CN107617189B true CN107617189B (en) | 2019-10-01 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274564A (en) * | 2000-06-09 | 2000-11-29 | 清华大学 | Infrared electro-optical longitudinal jiggle measuring method and device |
| CN2429196Y (en) * | 2000-06-30 | 2001-05-09 | 陈琦 | Exercise mattress |
| CN103502988A (en) * | 2011-02-17 | 2014-01-08 | 耐克国际有限公司 | Location mapping |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070027369A1 (en) * | 2005-07-28 | 2007-02-01 | Guido Pagnacco | Apparatus and methods for assessing human physical performance |
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- 2017-08-21 CN CN201710716471.6A patent/CN107617189B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274564A (en) * | 2000-06-09 | 2000-11-29 | 清华大学 | Infrared electro-optical longitudinal jiggle measuring method and device |
| CN2429196Y (en) * | 2000-06-30 | 2001-05-09 | 陈琦 | Exercise mattress |
| CN103502988A (en) * | 2011-02-17 | 2014-01-08 | 耐克国际有限公司 | Location mapping |
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