CN107874763A - A kind of lower limb data collecting system - Google Patents
A kind of lower limb data collecting system Download PDFInfo
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- CN107874763A CN107874763A CN201711303016.XA CN201711303016A CN107874763A CN 107874763 A CN107874763 A CN 107874763A CN 201711303016 A CN201711303016 A CN 201711303016A CN 107874763 A CN107874763 A CN 107874763A
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- lower limb
- signal
- fixed cell
- waist
- gathering
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- 210000003141 lower extremity Anatomy 0.000 title claims abstract description 38
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000011664 signaling Effects 0.000 claims abstract description 7
- 210000003414 extremity Anatomy 0.000 claims description 12
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 210000001699 lower leg Anatomy 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 230000003183 myoelectrical effect Effects 0.000 claims description 3
- 210000000689 upper leg Anatomy 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 210000001624 hip Anatomy 0.000 description 10
- 230000003321 amplification Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005021 gait Effects 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
- A61B5/112—Gait analysis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/1036—Measuring load distribution, e.g. podologic studies
- A61B5/1038—Measuring plantar pressure during gait
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4842—Monitoring progression or stage of a disease
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Physiology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The present invention relates to human motion state detection technique field, specially a kind of lower limb data collecting system, it can easily detect the lower limb status data under human locomotion state, provide accurately training template for follow-up rehabilitation training, it includes：Waist fixed cell, is fixed on waist；Lower limb fixed cell, waist fixed cell is flexibly connected, for being fixed with lower limb；Plantar pressure footwear, for gathering foot force signal；Physical signalling collecting unit, for gathering the lower limb wobble amplitude signal under wearer's ambulatory status；Electromyographic signal collection unit, for gathering the electromyographic signal under wearer's ambulatory status；Main control unit, collection receive above-mentioned foot force signal, lower limb wobble amplitude signal and electromyographic signal and carry out calculating processing.
Description
Technical field
The present invention relates to human motion state detection technique field, specially a kind of lower limb data collecting system.
Background technology
When sustaining damage, except previous tretament, later stage rehabilitation training is also essential, can so be greatly improved extensive
Multiple effect and recovery efficiency.And to reach optimal rehabilitation effect, it is necessary to there is a detailed understanding to the motion state of people, such as
Normally walk under line state, the amplitude of fluctuation of leg is walked etc. using how much power, typically does these data before rehabilitation training
All do not have, therefore training template can not be given and carry out reference, influence rehabilitation efficacy.
The content of the invention
In order to solve the above problems, the invention provides a kind of lower limb data collecting system, and it can easily detect people
Lower limb status data under body ambulatory status, accurately training template is provided for follow-up rehabilitation training.
Its technical scheme is such：A kind of lower limb data collecting system, it is characterised in that it includes：
Waist fixed cell, is fixed on waist；
Lower limb fixed cell, waist fixed cell is flexibly connected, for being fixed with lower limb；
Plantar pressure footwear, for gathering foot force signal；
Physical signalling collecting unit, for gathering the lower limb wobble amplitude signal under wearer's ambulatory status；
Electromyographic signal collection unit, for gathering the electromyographic signal under wearer's ambulatory status；
Main control unit, collection receive above-mentioned foot force signal, lower limb wobble amplitude signal and electromyographic signal and carried out at calculating
Reason.
It is further characterized by, and the lower limb fixed cell includes left limb fixture and right limb fixture, the left limb
Fixture and the right limb fixture include be hinged upper arm and underarm, and bandage is provided with the upper arm and the underarm,
The upper arm is hinged with the waist fixed cell, and the plantar pressure footwear include left shoe and right shoe, the left shoe and
The right crus of diaphragm sole part is mounted at least two pressure sensors；
The electromyographic signal collection unit includes at least four groups of surface myoelectric sensors, is affixed on the motion related muscles position of thigh
Put；
The main control unit, which includes the upper PC of communication connection and lower level controller, the lower level controller, includes controlling of sampling
Device and signal conditioning circuit, for gathering the foot force signal, lower limb wobble amplitude signal and electromyographic signal；It is described upper
PC is used to carry out calculating processing to the signal of collection.
It is further characterised by, acceleration transducer is provided with the plantar pressure footwear；
The physical signalling collecting unit includes absolute value encoder, and the absolute value encoder is installed on the upper arm and described
The junction of the junction of underarm, the upper arm and waist fixed cell；
The signal conditioning circuit includes low pass filter, differential amplifier circuit, impedance matching circuit, notch filter, band logical
Wave filter, multistage amplifier circuit.
After system using the present invention, after wearer dresses, normal gait, main control unit collection receives foot force
Signal, lower limb wobble amplitude signal and electromyographic signal simultaneously carry out calculating processing, you can conveniently draw lower limb under normal gait state
Motion parameter data, provide accurately training template for follow-up rehabilitation training.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is control principle schematic diagram of the present invention；
Fig. 3 is plantar pressure sole part structural representation；
Fig. 4 is use flow diagram of the present invention；
Fig. 5 is electromyographic signal collection position view.
Embodiment
See Fig. 1, Fig. 2, shown in Fig. 3, a kind of lower limb data collecting system, it includes：
Waist fixed cell 1, is fixed on waist；
Lower limb fixed cell, waist fixed cell 1 is flexibly connected, for being fixed with lower limb, specifically includes left limb fixture 2 and the right side
Limb fixture 3, left limb fixture 2 and right limb fixture 3 include be hinged upper arm 4 and underarm 5, are installed on upper arm 4 and underarm 5
There is bandage 6, upper arm 5 is hinged with waist fixed cell 1；
Plantar pressure footwear 7, for gathering foot force signal, including left shoe and right shoe, left shoe and right crus of diaphragm sole part are equal
At least two pressure sensors 9 are installed, in that context it may be convenient to measure foot force and distribution under ambulatory status；
Physical signalling collecting unit, for gathering the lower limb wobble amplitude signal under wearer's ambulatory status, including four definitely
It is worth encoder 8, absolute value encoder 8 is installed on the connection of the junction of upper arm 4 and underarm 5, upper arm 4 and waist fixed cell 1
Locate, under ambulatory status, angle is measured by absolute value encoder 8, you can measure hip joint and kneed amplitude of fluctuation；
Electromyographic signal collection unit, for gathering the electromyographic signal under wearer's ambulatory status, including at least four groups of surface myoelectrics
Sensor, the related muscle position of thigh motion is affixed on, as shown in Figure 5；
Main control unit, main control unit include the upper PC of communication connection and lower level controller, and lower level controller includes sampling and controlled
Device and signal conditioning circuit processed, for gathering foot force signal, lower limb wobble amplitude signal and electromyographic signal, upper PC is used
Calculating processing is carried out in the signal to collection.
Can be used between physical signalling collecting unit, electromyographic signal collection unit, plantar pressure footwear and main control unit has
Line connecting communication, wireless telecommunications can also be used, can flexibly be selected according to being actually needed.
Acceleration transducer can be also installed on plantar pressure footwear, the information such as the speed of walking can be measured.
Signal conditioning circuit includes low pass filter, differential amplifier circuit, impedance matching circuit, notch filter, band logical
Wave filter, multistage amplifier circuit.
Differential amplification, trap, output matching, high pass, low pass, amplification totally six grades of signal transactings are passed through in electromyographic signal processing,
Lower limb wobble amplitude signal is handled by resistance sampling and output matching, and foot force signal is handled by one-level differential amplification.
Upper PC mainly completes the collection of data, display in the present invention, stores, and plays back, analysis, the function such as export；On
Connected between position PC and lower level controller using USB interface；The configuration data of lower level controller is issued by upper PC, configuration
Data mainly include sampling channel, sample frequency, data packet format and size；The start and stop of lower level controller are by upper PC
Machine controls；Upper PC completes the collection of data, display, sorts out specification storage；Data storage playback is recalled from authority data
Display；By data storage according to regulation form export, in order to which other Digital Signal Analysis and Processing softwares are further analyzed and place
Reason.
The specifically used flow of the present invention is as described below：See Fig. 4,
（1）After object wearing device, system boot, operation program；
（2）First remain where one is 10 seconds, collection foot force signal, lower limb wobble amplitude signal and electromyographic signal, then stop, looking into
See whether detection data have exception
（3）Continue if without exception, wearer carries out walking or risen to sit back and wait action, gathered data；
（4）Check whether data are effective；
（5）As data are effective, then data storage is carried out, input wearer's information, such as name, body weight etc..
（6）Above step is repeated, until all wearer's data information acquisitions terminate.
Claims (7)
1. a kind of lower limb data collecting system, it is characterised in that it includes：
Waist fixed cell, is fixed on waist；
Lower limb fixed cell, waist fixed cell is flexibly connected, for being fixed with lower limb；
Plantar pressure footwear, for gathering foot force signal；
Physical signalling collecting unit, for gathering the lower limb wobble amplitude signal under wearer's ambulatory status；
Electromyographic signal collection unit, for gathering the electromyographic signal under wearer's ambulatory status；
Main control unit, collection receive above-mentioned foot force signal, lower limb wobble amplitude signal and electromyographic signal and carried out at calculating
Reason.
2. a kind of lower limb data collecting system according to claim 1, it is characterised in that the lower limb fixed cell includes
Left limb fixture and right limb fixture, the left limb fixture and the right limb fixture include be hinged upper arm and underarm,
Bandage is installed, the upper arm is hinged with the waist fixed cell, the plantar pressure footwear on the upper arm and the underarm
Including left shoe and right shoe, the left shoe and the right crus of diaphragm sole part are mounted at least two pressure sensors.
A kind of 3. lower limb data collecting system according to claim 1, it is characterised in that the electromyographic signal collection unit
Including at least four groups of surface myoelectric sensors, the motion related muscles position of thigh is affixed on.
4. a kind of lower limb data collecting system according to claim 1, it is characterised in that the main control unit includes communication
The upper PC and lower level controller of connection, the lower level controller includes sampling controller and signal conditioning circuit, for adopting
Collect the foot force signal, lower limb wobble amplitude signal and electromyographic signal；The upper PC is used to enter the signal of collection
Row calculating is handled.
5. a kind of lower limb data collecting system according to claim 1, it is characterised in that installed on the plantar pressure footwear
There is acceleration transducer.
6. the physical signalling collecting unit includes absolute value encoder, the absolute value encoder is installed on the upper arm and institute
State the junction of the junction of underarm, the upper arm and waist fixed cell.
7. the signal conditioning circuit includes low pass filter, differential amplifier circuit, impedance matching circuit, notch filter, band
Bandpass filter, multistage amplifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711303016.XA CN107874763A (en) | 2017-12-11 | 2017-12-11 | A kind of lower limb data collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711303016.XA CN107874763A (en) | 2017-12-11 | 2017-12-11 | A kind of lower limb data collecting system |
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| Publication Number | Publication Date |
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| CN107874763A true CN107874763A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711303016.XA Pending CN107874763A (en) | 2017-12-11 | 2017-12-11 | A kind of lower limb data collecting system |
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| CN (1) | CN107874763A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470502A (en) * | 2018-10-30 | 2019-03-15 | 北京机械设备研究所 | A kind of ectoskeleton Comfort Evaluation device and evaluation method based on multisensor |
| CN110236539A (en) * | 2019-07-22 | 2019-09-17 | 宿州学院 | A human lower limb surface electromyographic signal acquisition and pattern recognition system |
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| CN203060231U (en) * | 2013-01-29 | 2013-07-17 | 苏州大学 | Wearable lower limb exoskeleton walking-assisting robot |
| CN104027218A (en) * | 2014-06-05 | 2014-09-10 | 电子科技大学 | Rehabilitation robot control system and method |
| CN104224495A (en) * | 2014-10-08 | 2014-12-24 | 上海理工大学 | Portable elbow joint rehabilitation robot control method |
| CN104799854A (en) * | 2015-04-29 | 2015-07-29 | 深圳大学 | Surface myoelectricity acquisition device and myoelectricity signal processing method thereof |
| CN106037753A (en) * | 2016-07-06 | 2016-10-26 | 电子科技大学 | Wearable data collection system based on multi-sensor fusion and method adopted by system |
| CN106821680A (en) * | 2017-02-27 | 2017-06-13 | 浙江工业大学 | A kind of upper limb healing ectoskeleton control method based on lower limb gait |
| CN107320292A (en) * | 2017-08-07 | 2017-11-07 | 南京理工大学 | A kind of wearable ectoskeleton power assisting device of tubular modulesization and its control method |
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2017
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203060231U (en) * | 2013-01-29 | 2013-07-17 | 苏州大学 | Wearable lower limb exoskeleton walking-assisting robot |
| CN104027218A (en) * | 2014-06-05 | 2014-09-10 | 电子科技大学 | Rehabilitation robot control system and method |
| CN104224495A (en) * | 2014-10-08 | 2014-12-24 | 上海理工大学 | Portable elbow joint rehabilitation robot control method |
| CN104799854A (en) * | 2015-04-29 | 2015-07-29 | 深圳大学 | Surface myoelectricity acquisition device and myoelectricity signal processing method thereof |
| CN106037753A (en) * | 2016-07-06 | 2016-10-26 | 电子科技大学 | Wearable data collection system based on multi-sensor fusion and method adopted by system |
| CN106821680A (en) * | 2017-02-27 | 2017-06-13 | 浙江工业大学 | A kind of upper limb healing ectoskeleton control method based on lower limb gait |
| CN107320292A (en) * | 2017-08-07 | 2017-11-07 | 南京理工大学 | A kind of wearable ectoskeleton power assisting device of tubular modulesization and its control method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470502A (en) * | 2018-10-30 | 2019-03-15 | 北京机械设备研究所 | A kind of ectoskeleton Comfort Evaluation device and evaluation method based on multisensor |
| CN110236539A (en) * | 2019-07-22 | 2019-09-17 | 宿州学院 | A human lower limb surface electromyographic signal acquisition and pattern recognition system |
| CN110236539B (en) * | 2019-07-22 | 2021-08-31 | 宿州学院 | A Human Lower Limb Surface EMG Signal Acquisition and Pattern Recognition System |
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Application publication date: 20180406 |