CN100421622C - Distributed device for testing acceleration of human movement segments - Google Patents
Distributed device for testing acceleration of human movement segments Download PDFInfo
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- CN100421622C CN100421622C CNB2006100881813A CN200610088181A CN100421622C CN 100421622 C CN100421622 C CN 100421622C CN B2006100881813 A CNB2006100881813 A CN B2006100881813A CN 200610088181 A CN200610088181 A CN 200610088181A CN 100421622 C CN100421622 C CN 100421622C
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Abstract
The present invention relates to a distributed device for measuring acceleration at moving joints of human bodies. The device comprises a main controller and collectors, wherein the collectors are electrically connected with the main controller before starting work and are used for receiving synchronous instruction, etc. A three-dimensional acceleration sensor and a single chip computer are arranged in each collector and are fixed to each moving joint of human bodies at operation in order to collect information of three-dimensional acceleration of each moving joint of human bodies; each collector works independently; the collectors are not mutually connected by cables; after finishing working, the collectors are also connected with the main controller and are used for inputting the collected information into the main controller; the main controller is used for simultaneously loading the information into a host computer through a USB interface. The present invention can collect the three-dimensional acceleration information of each moving joint of human bodies in real time, obtain kinematics parameters of moving joints of human bodies, and establish a model of a motion rule reflecting the moving joints of human bodies through analysis of the parameters, and a scientific valuation index system is formed.
Description
Affiliated field the present invention relates to sensor application technology and wireless communication field, particularly relates to the distributed device for testing acceleration of human movement segments of sports and scientific research aspect.
Background technology
Now, realize in succession in various athletics sports under the situation of scientific training, on the basis of specialized training practice and theory, formed fairly perfect " theories of sport training " gradually.Motor skill is made up of the specialty action of seriation, and when finishing each specialty action, each motion link of human body all is in different kinestates.All the time, large quantities of experts and scholars are by the whole bag of tricks and means, each motion link of human body in the training is carried out various analyses, in the hope of finding and sum up the characteristics of motion of human body sport step, for motor skill in the training is grasped and malfunction is corrected effective training tool and new approaches are provided, for the specialized training of various athletics sports provides scientific basis and theoretical direction.
The method of traditional researching human body motion link characteristics of motion, be to combine with computer motion acquisition software with video camera, action to human body is resolved, thereby information such as the three-D displacement of each motion link of acquisition athlete and speed, this method can not accurately obtain all kinematics parameters of each time point human body sport step in real time.
The publication number of Beijing Institute of Aeronautics electrotechnical, electronic center, No. 37, Xueyuan Road, Haidian District, Beijing City application is the patent of invention of CN1312050A, be a kind of distributed electromagnetic body motion detector, this device is made up of generator, receptor, control and signal processing hardware circuit, master computer and apparatus system software; Wherein: this control and signal processing hardware circuit include single-chip microcomputer, oscillator, emission electron switch, emission power amplifier, receive electrical switch, receiving signal amplifier, detection, received signal zeroing, A/D conversion, serial ports and power supply composition; This master computer is used to provide power supply, and by RS232 asynchronous communication mouth and control and the communication of signal processing hardware circuit, systems soft ware comprises Single-chip Controlling software and host computer software.This device utilizes micro radio to transmit and receive relative angle between device human body motion limbs, makes motion detection process break away from the influence of link on every side, is a more satisfactory method of human body kinestate.But this device is the single armed motion detection apparatus, can not obtain the kinestate of each motion link of human body simultaneously, can not accurately obtain the kinematics parameters of each motion link of human body.
Summary of the invention
The objective of the invention is: a kind of distributed device for testing acceleration of human movement segments that does not have cable to connect when work is provided, this device can be measured the three-dimensional acceleration information of human body sport step in the training in real time, obtain the kinematics parameters of human body sport step, by analysis to these parameters, set up the characteristics of motion model of reflection human body sport step, form the assessment indicator system of science.
Technical scheme of the present invention is: a kind of distributed device for testing acceleration of human movement segments, comprise master controller and the harvester more than that is electrically connected with it, and it is characterized in that:
Described harvester is built-in with three dimension acceleration sensor and memorizer, UART serial ports, status indicator lamp, battery and the electric power management circuit that is electrically connected with single-chip microcomputer;
Described harvester is electrically connected through the UART Serial Port Line by the UART serial ports with described master controller before starting working, and is used to receive synchronic command; When described harvester was worked, the harvester more than was fixed in each motion link place of human body, is used for gathering the three-dimensional acceleration information of each motion link of human body, and each harvester works alone, and mutual cable of no use is connected; Described harvester also is electrically connected through the UART Serial Port Line by the UART serial ports with described master controller after power cut-off, is used for the information of gathering is read in master controller;
Be equipped with single-chip microcomputer in the described master controller, and be equipped with antenna, wireless communication module, memorizer, UART serial ports, USB interface and interface circuit, status indicator lamp, battery and electric power management circuit and the on and off switch that is electrically connected mutually with single-chip microcomputer, by USB interface master controller is written into host computer from the information that harvester reads.
Said single-chip microcomputer model is MSP430F149, and single-chip microcomputer is useful on the AD converter of digital quantity and analog quantity conversion.
The wireless communication module that said master controller is built-in is the command information that transmits data, reception host computer by antenna to host computer.
Said harvester is 6, the extremity of the human body that is placed in, cervical region and barycenter place.
UART serial ports on the said master controller is 8.
The volume of said harvester is 9cm
3～12cm
3
Said distributed device for testing acceleration of human movement segments can be used with the surface myoelectric tester, in the kinematics parameters that obtains human body sport step, obtains the biological parameter of human body.
Said distributed device for testing acceleration of human movement segments maybe can be used in the training of every land project, after the configuration design of installing is changed a little, maybe can use in the training of the every aquatic sports that comprises swimming and diving.
As a kind of novel device for testing acceleration of human movement segments, said mass center of human body is the human weight center, generally in the waist and belly position; Said master controller is built-in with single-chip microcomputer, memorizer, UART serial ports, status indicator lamp, USB interface and interface circuit, wireless communication module and battery and the electric power management circuit of mutual electrical connection; Said harvester is built-in with single-chip microcomputer, memorizer, UART serial ports, status indicator lamp, three dimension acceleration sensor and the battery and the electric power management circuit of mutual electrical connection, single-chip microcomputer all adopts the MSP430F149 of MSP430 series, memorizer all adopts AT45DB161, wireless communication module adopts microminiature wireless data transmission module PTR2000, working frequency range is 433MHz, and three dimension acceleration sensor is formed by stacking by a two dimension acceleration sensor (ADXL250) and an one dimension acceleration transducer (ADXL78).
Beneficial effect: in the prior art, the method of traditional researching human body motion link characteristics of motion, be to combine with computer motion acquisition software with video camera, action to human body is resolved, thereby information such as the three-D displacement of each motion link of acquisition athlete and speed, this method can not accurately obtain all kinematics parameters of each time point human body sport step in real time.The publication number of Beijing Institute of Aeronautics electrotechnical, electronic center, No. 37, Xueyuan Road, Haidian District, Beijing City application is the patent of invention of CN1312050A, it is a kind of distributed electromagnetic body motion detector, this device is made up of generator, receptor, control and signal processing hardware circuit, master computer and apparatus system software, this device utilizes micro radio to transmit and receive relative angle between device human body motion limbs, making motion detection process break away from the influence of link on every side, is a more satisfactory method of human body kinestate.But this device is the single armed motion detection apparatus, can not obtain the kinestate of each motion link of human body simultaneously, can not accurately obtain the kinematics parameters of each motion link of human body.
Being equivalent to the prior art beneficial effect is:
One, device of the present invention is made up of master controller and harvester, described harvester is built-in with three dimension acceleration sensor and single-chip microcomputer, when work, described a plurality of harvester is fixed in each motion link place of human body, be used for gathering the three-dimensional acceleration information of each motion link of human body, described master controller comprises single-chip microcomputer, wireless communication module, USB interface, status indicator lamp and on and off switch, master controller can be written into host computer from the information that harvester reads by USB interface.Thereby this device can record the acceleration information of each motion link of human body in three directions in real time accurately, utilizes computer just can handle these information, obtains the kinematics parameters of each motion link of human body.
They are two years old, harvester of the present invention has 6, when work, be fixed in these 6 motion link places of extremity, cervical region and barycenter of human body respectively, according to the needs of practical situation, can arbitrarily increase and decrease the number of harvester, each harvester works alone, do not have the connection of cable each other, the volume of harvester is 9cm
3～12cm
3Because each harvester all works alone, cable of no use again each other is connected, and volume is very little, thereby can farthest reduce the influence of device to human body, guarantees the performance of athlete's level.Because can arbitrarily increase and decrease the number of harvester, this makes apparatus of the present invention can be used for the training of dissimilar sports items, thereby has guaranteed the practicality of apparatus of the present invention.
They are three years old, a kind of distributed device for testing acceleration of human movement segments has been proposed first, adopted distributed design philosophy, pick off and application technology thereof, embedded computing technique, wireless communication technology and interfacing have been concentrated, be applicable to the training of all land projects, after the configuration design of apparatus of the present invention is changed a little, can also be applied to all aquatics programmes, comprise projects such as swimming, diving, for the scientific training of every athletics sports provides strong tool and method.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of distributed device for testing acceleration of human movement segments;
Fig. 2 is the circuit block diagram of harvester;
Fig. 3 is the circuit block diagram of master controller.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3.Among Fig. 1,1: master controller; 2: antenna; 3: wireless communication module; The 4:UART Serial Port Line; 5: harvester; The 6:UART serial ports; The 7:USB interface; 8: status indicator lamp; 9: on and off switch.
This device comprises master controller 1 and the harvester more than 5 that is electrically connected with it, and harvester 5 is built-in with three dimension acceleration sensor and memorizer, UART serial ports, status indicator lamp, battery and the electric power management circuit that is electrically connected with single-chip microcomputer.
Harvester 5 is electrically connected through UART Serial Port Line 4 by UART serial ports 6 with master controller 1 before starting working, and is used to receive synchronic command; During harvester 5 work, the harvester 5 more than is fixed in each motion link place of human body, is used for gathering the three-dimensional acceleration information of each motion link of human body, and each harvester 5 works alone, and mutual cable of no use is connected; Described harvester 5 also is electrically connected through UART Serial Port Line 4 by UART serial ports 6 with described master controller 1 after power cut-off, is used for the information of gathering is read in master controller 1.
Master controller 1 is equipped with single-chip microcomputer, and be equipped with antenna 2, wireless communication module 3, memorizer, UART serial ports 6, USB interface 7 and interface circuit, status indicator lamp 8, battery and electric power management circuit and the on and off switch 9 that is electrically connected mutually with single-chip microcomputer, by USB interface 7 master controller 1 is written into host computer from the information that harvester 5 reads.
Though device of the present invention is a distributed systems, but can guarantee point at one time, obtain the acceleration information of each motion link of human body in three directions simultaneously, these three directions are inner three directions of X-axis, Y-axis, Z axle of demarcating of three dimension acceleration sensor.Just the information of gathering can be written into computer by USB interface 7, utilize computer that these information are handled, thereby obtain the kinematics parameters of each motion link of human body.Master controller 1 of the present invention is built-in with wireless communication module 3, the control instruction that like this can receiving computer sends.In addition, according to the needs of practical situation, can arbitrarily increase and decrease the number of apparatus of the present invention harvester 5, simultaneously also reserve UART serial ports 6 on the master controller 1, whenever necessary, function that can expanding unit has improved the practicality of apparatus of the present invention.
Fig. 2 is the circuit block diagram of harvester 5, comprises mutual electrical connection: the single-chip microcomputer MSP430F149 that is used to finish automatic control program He carries out date processing, single-chip microcomputer are useful on the AD converter of digital quantity and analog quantity conversion; Be used to store the memorizer of each motion link acceleration information of human body; Be used for being connected, the acceleration of human movement segments information of gathering read in the UART serial ports 6 of master controller 1 with master controller 1; Be used to show the status indicator lamp of harvester 5 duties; Be used for gathering in real time the three dimension acceleration sensor of each motion link three-dimensional acceleration information of human body; Be used for battery and electric power management circuit to harvester 5 each module for power supply.
In Fig. 2, after opening the on and off switch on battery and the electric power management circuit, status indicator lamp is bright, when harvester 5 is started working, at first by the three dimension acceleration sensor Information Monitoring, then with the information input MSP430F149 single-chip microcomputer of gathering, the information of three dimension acceleration sensor output is analog quantity, the MSP430F149 single-chip microcomputer converts analog quantity to digital quantity, and to information compress, a series of processing such as packing, the MSP430F149 single-chip microcomputer is with the information input store of handling well, by the information of memorizer record collection afterwards.During the harvester Information Monitoring, status indicator lamp is in blink states always.After the harvester power cut-off, data are read in master controller 1 by UART serial ports 6.
Fig. 3 is the circuit block diagram of master controller 1, comprises mutual electrical connection: the single-chip microcomputer MSP430F149 that is used to finish automatic control program He carries out date processing, single-chip microcomputer are useful on the AD converter of digital quantity and analog quantity conversion; Be used to store the memorizer of the acceleration of human movement segments information of gathering from harvester 5; Be used for being connected with harvester 5 and reading the UART serial ports 6 of 5 Information Monitorings of harvester; Be used to show the status indicator lamp 8 of master controller 1 duty; Be used for being connected, each motion link acceleration information of human body is written into USB interface of computer 7 and interface circuit with the host computer serial ports; The wireless communication module 3 that is used for the control instruction that receiving computer sends; Be used for battery and electric power management circuit to master controller 1 each module for power supply.
In Fig. 3, before harvester 5 was started working, master controller 1 was electrically connected with harvester 5 through UART Serial Port Line 4 by UART serial ports 6, sent synchronic command etc. to harvester 5.After harvester 5 power cut-offs, master controller 1 also is connected with the host computer interface by the USB interface on USB interface and the interface circuit 7 except that with a plurality of harvesters 5 are connected.Behind the battery of opening harvester 5 and master controller 1 and the on and off switch on the electric power management circuit, status indicator lamp 8 and the status indicator lamp on the harvester 5 on the master controller 1 are all bright.After receiving the command information that computer sends, master controller 1 reads the information that harvester 5 is gathered successively, and the information that reads is handled the back input store through the MSP430F149 single-chip microcomputer and stored, and then data are written into host computer.In the meantime, status indicator lamp 8 on the master controller 1 and the status indicator lamp on the harvester 5 all are in the state of flicker.Master controller 1 can not be connected with computer yet, but passes through the command information that its built-in wireless communication module 3 receiving computers send.
Obviously, those skilled in the art can carry out various changes and modification to distributed device for testing acceleration of human movement segments of the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (8)
1. distributed device for testing acceleration of human movement segments, the harvester more than (5) that comprises master controller (1) and be electrically connected with it is characterized in that:
Described harvester (5) is built-in with three dimension acceleration sensor and memorizer, UART serial ports, status indicator lamp, battery and the electric power management circuit that is electrically connected with single-chip microcomputer;
Described harvester (5) is electrically connected through UART Serial Port Line (4) by UART serial ports (6) with described master controller (1) before starting working, and is used to receive synchronic command; During described harvester (5) work, harvester more than one (5) is fixed in each motion link place of human body, be used for gathering the three-dimensional acceleration information of each motion link of human body, each harvester (5) works alone, and mutual cable of no use is connected; Described harvester (5) also is electrically connected through UART Serial Port Line (4) by UART serial ports (6) with described master controller (1) after power cut-off, is used for the information of gathering is read in master controller (1);
Described master controller is equipped with single-chip microcomputer in (1), and be equipped with antenna (2), wireless communication module (3), memorizer, UART serial ports (6), USB interface (7) and interface circuit, status indicator lamp (8), battery and electric power management circuit and the on and off switch (9) that is electrically connected mutually with single-chip microcomputer, by USB interface (7) master controller (1) is written into host computer from the information that harvester (5) reads.
2. distributed device for testing acceleration of human movement segments according to claim 1, it is characterized in that the single-chip microcomputer of said harvester and the single-chip microcomputer model of master controller all are MSP430F149, the single-chip microcomputer of said harvester and the single-chip microcomputer of master controller are equipped with respectively and are used for analog-to-digital AD converter.
3. distributed device for testing acceleration of human movement segments according to claim 1, it is characterized in that the wireless communication module (3) that said master controller (1) is built-in, is by the command information of antenna (2) to host computer transmission data, reception host computer.
4. distributed device for testing acceleration of human movement segments according to claim 1 is characterized in that said harvester (5) is 6, the extremity of the human body that is placed in, cervical region and barycenter place.
5. distributed device for testing acceleration of human movement segments according to claim 1 is characterized in that the UART serial ports (6) on the said master controller (1) is 8.
6. distributed device for testing acceleration of human movement segments according to claim 1, the volume that it is characterized in that said harvester (5) is 9cm3～12cm3.
7. distributed device for testing acceleration of human movement segments according to claim 1, it is characterized in that said distributed device for testing acceleration of human movement segments can be used with the surface myoelectric tester, in the kinematics parameters that obtains human body sport step, obtain the biological parameter of human body.
8. distributed device for testing acceleration of human movement segments according to claim 1 is characterized in that said distributed device for testing acceleration of human movement segments can use in the training of every land project.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100881813A CN100421622C (en) | 2006-06-30 | 2006-06-30 | Distributed device for testing acceleration of human movement segments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100881813A CN100421622C (en) | 2006-06-30 | 2006-06-30 | Distributed device for testing acceleration of human movement segments |
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| Publication Number | Publication Date |
|---|---|
| CN1883387A CN1883387A (en) | 2006-12-27 |
| CN100421622C true CN100421622C (en) | 2008-10-01 |
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|---|---|---|---|
| CNB2006100881813A Expired - Fee Related CN100421622C (en) | 2006-06-30 | 2006-06-30 | Distributed device for testing acceleration of human movement segments |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102551730A (en) * | 2011-12-15 | 2012-07-11 | 无锡市仁科医疗电子有限公司 | Device for simulating actions of abdominal wall surface and simulation method thereof |
| GB2528828A (en) * | 2014-04-25 | 2016-02-10 | Speedo Int Ltd | Activity monitors |
| CN113080944B (en) * | 2021-04-14 | 2023-11-24 | 北京积水潭医院 | Bioelectric signal and spinal activity detection method, device and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312050A (en) * | 2000-03-06 | 2001-09-12 | 郑红 | Distributed electromagnetic body motion detector |
| DE10164534A1 (en) * | 2001-12-31 | 2003-07-10 | Dirk Parchmann | Device and method for determining parameters of the movement of a body |
| WO2005002436A1 (en) * | 2003-07-01 | 2005-01-13 | Queensland University Of Technology | Motion monitoring and analysis system |
| CN1610519A (en) * | 2002-09-19 | 2005-04-27 | 松下电器产业株式会社 | Physical movement evaluation device and physical movement evaluation system |
| CN1689513A (en) * | 2004-04-27 | 2005-11-02 | 清华大学 | Device for measuring joint movement posture of human body |
| CN1723848A (en) * | 2004-07-24 | 2006-01-25 | 三星电子株式会社 | Use acceleration transducer to measure momental equipment of physical culture and method |
-
2006
- 2006-06-30 CN CNB2006100881813A patent/CN100421622C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312050A (en) * | 2000-03-06 | 2001-09-12 | 郑红 | Distributed electromagnetic body motion detector |
| DE10164534A1 (en) * | 2001-12-31 | 2003-07-10 | Dirk Parchmann | Device and method for determining parameters of the movement of a body |
| CN1610519A (en) * | 2002-09-19 | 2005-04-27 | 松下电器产业株式会社 | Physical movement evaluation device and physical movement evaluation system |
| WO2005002436A1 (en) * | 2003-07-01 | 2005-01-13 | Queensland University Of Technology | Motion monitoring and analysis system |
| CN1689513A (en) * | 2004-04-27 | 2005-11-02 | 清华大学 | Device for measuring joint movement posture of human body |
| CN1723848A (en) * | 2004-07-24 | 2006-01-25 | 三星电子株式会社 | Use acceleration transducer to measure momental equipment of physical culture and method |
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| CN1883387A (en) | 2006-12-27 |
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