CN108062979A - A kind of static plantar pressure analytical equipment and method based on pressure sensor - Google Patents
A kind of static plantar pressure analytical equipment and method based on pressure sensor Download PDFInfo
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- CN108062979A CN108062979A CN201810026140.4A CN201810026140A CN108062979A CN 108062979 A CN108062979 A CN 108062979A CN 201810026140 A CN201810026140 A CN 201810026140A CN 108062979 A CN108062979 A CN 108062979A
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- 238000000034 method Methods 0.000 title abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 30
- 230000002153 concerted effect Effects 0.000 claims abstract description 13
- 230000003993 interaction Effects 0.000 claims abstract description 5
- 238000004458 analytical method Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
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- 238000004364 calculation method Methods 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
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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—Detecting, measuring or recording 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
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Abstract
The invention discloses a kind of static plantar pressure analytical equipments and method based on pressure sensor, described device includes main footwear and secondary footwear, first pressure sensor is provided in main footwear, for gathering the pressure data of first foot, second pressure sensor is provided in secondary footwear, for gathering the pressure data of second foot, data interaction is carried out by ZIGBEE agreements between main footwear and secondary footwear, the pressure data of pressure data and second foot that main footwear are additionally operable to will collect first foot is uploaded to computer.Pressure sensor is placed in the bottom of footwear by the present invention, tester's both feet are stood on the footwear equipped with pressure sensor naturally, system can provide test result at once, the size and direction that display final pressure is made a concerted effort, according to the size and Orientation of pressure resultant force, the balance and stability when tester stands can be analyzed, reference frame is provided for subsequent medical diagnosis and rehabilitation situation.
Description
Technical field
The present invention relates to plantar pressure analysis technical field more particularly to a kind of static vola pressures based on pressure sensor
Power analytical equipment and method.
Background technology
Gait analysis mainly includes four elements：Clinical analysis, kinematics analysis, dynamic analysis and dynamic electromyogram.
The interaction force when groundwork of wherein dynamic analysis is exactly research walking or is static between foot and seating surface, i.e. foot
Bottom pressure is analyzed.
Plantar pressure analysis suffers from important role to physical health, medical monitoring, according to the hair of sole pressure test
Exhibition process and it can be classified as footprinting method, plantar pressure scanner, direct visualization techniques, pressure flat and pressure using technology
Insole etc..These technologies respectively have advantage and disadvantage, it is difficult to just realize accurately plantar pressure point only by a kind of technology or algorithm
Analysis, thus at present be all two or more method organic assembling is got up to obtain it is satisfied as a result, operating
Journey is complicated, time-consuming and laborious.
The content of the invention
In order to solve the above-mentioned problems in the prior art, the present invention proposes a kind of static state foot based on pressure sensor
Bottom pressure analytical equipment and method, tester's both feet are stood on the footwear equipped with pressure sensor naturally, and device can be given at once
Go out test result, test process is simple, and test result is accurate, facilitates easy to operate.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of static plantar pressure analytical equipment based on pressure sensor including main footwear and secondary footwear, is set in the main footwear
First pressure sensor is equipped with, for gathering the pressure data of first foot, second pressure sensor is provided in the pair footwear,
For the pressure data of second foot of acquisition, data interaction is carried out by ZIGBEE agreements between the main footwear and the secondary footwear,
The pressure data of pressure data and second foot that the main footwear are additionally operable to will collect first foot is uploaded to computer.
Preferably, the main footwear further include the first MCU main control modules and the first ZIGBEE modules, and the pair footwear further include the
Two MCU main control modules and the 2nd ZIGBEE modules, the first ZIGBEE modules and the 2nd ZIGBEE modules are used to pass through
ZIGBEE agreements are communicated, and the first MCU main control modules are used for the first pressure sensor and described first
ZIGBEE modules carry out whole control, and the 2nd MCU main control modules are used for the second pressure sensor and described second
ZIGBEE modules carry out whole control.
Preferably, carried out data transmission between the first ZIGBEE modules and the computer by ZIGBEE agreements,
The computer is used to carry out data processing and display.
Preferably, the first pressure sensor includes the multiple pressure testing points for being evenly distributed on first foot bottom,
The second pressure sensor includes the multiple pressure testing points for being evenly distributed on second foot bottom.
Preferably, the pressure testing point that the first pressure sensor and the second pressure sensor include is 16
It is a.
A kind of static plantar pressure analysis method based on pressure sensor, comprises the following steps：
Step 1 establishes coordinate system, and the coordinate system includes X-axis and Y-axis；
Step 2, by each pressure testing point measures on first pressure sensor and second pressure sensor pressure data
Decompose X-axis and Y-axis；
The pressure component of all X-axis is added to obtain the total component of X-axis pressure by step 3, by the pressure component phase of all Y-axis
Add to obtain the total component of Y-axis pressure；
Step 4 synthesizes the total component of the X-axis pressure and the total component of Y-axis pressure, obtains the conjunction of final pressure
Power.
Preferably, the step 4 includes：
According to the size of the total component of the X-axis pressure and the total component of Y-axis pressure, most final pressure is obtained using Pythagorean theorem
The size made a concerted effort of power；
According to the direction of the total component of the X-axis pressure and the total component of Y-axis pressure, obtained most using trigonometric function relation
The direction made a concerted effort of end pressure.
Compared with prior art, the invention has the advantages that：
Pressure sensor is placed in the bottom of footwear by the present invention, and tester's both feet are stood equipped with pressure sensor naturally
On footwear, system can provide test result at once, the size and direction that display final pressure is made a concerted effort, according to the size of pressure resultant force and
Direction can analyze balance and stability when tester stands, be carried for subsequent medical diagnosis and rehabilitation situation
Foundation for reference.Test process of the present invention is simple, and test result is accurate, and very clear, even if without relevant background knowledge
People can also understand test result, facilitate easy to operate.
Description of the drawings
Fig. 1 is the structure diagram of static plantar pressure analytical equipment of the present invention；
Fig. 2 is pressure testing point distribution schematic diagram；
Fig. 3 is the flow chart of static plantar pressure analysis method of the present invention；
Fig. 4 is the coordinate system defined in specific embodiment；
Fig. 5 is the distribution map for the size and Orientation of making a concerted effort that host computer is shown.
In figure：The main footwear of 1-, 2- pair footwear, 3- computers, 101- first pressure sensors, the first MCU main control modules of 102-,
The first ZIGBEE modules of 103-, 201- second pressure sensors, the 2nd MCU main control modules of 202-, the 2nd ZIGBEE modules of 203-.
Specific embodiment
Below by drawings and examples, technical scheme is described in further detail.
The present invention provides a kind of static plantar pressure analytical equipment based on pressure sensor, as shown in Figure 1, described quiet
State plantar pressure analytical equipment includes main footwear 1 and secondary footwear 2, and first pressure sensor 101 is provided in main footwear 1, for gathering the
The pressure data of one foot is provided with second pressure sensor 201 in secondary footwear 2, main for gathering the pressure data of second foot
Data interaction is carried out by ZIGBEE agreements between footwear 1 and secondary footwear 2, main footwear 1 are additionally operable to the pressure of will collect first foot
The pressure data of data and second foot is uploaded to computer 3.
Further, main footwear 1 further include the first MCU main control modules 102 and the first ZIGBEE modules 103, and secondary footwear 2 further include
2nd MCU main control modules 202 and the 2nd ZIGBEE modules 203, the first ZIGBEE modules 103 and the 2nd ZIGBEE modules 203 are used
It is communicated in by ZIGBEE agreements, the first MCU main control modules 102 are used for first pressure sensor 101 and first
ZIGBEE modules 103 carry out whole control, and the 2nd MCU main control modules 202 are used for second pressure sensor 201 and second
ZIGBEE modules 203 carry out whole control.
Further, carried out data transmission between the first ZIGBEE modules 103 and computer 3 by ZIGBEE agreements, counted
Calculation machine 3 is used to carry out data processing and display.
Since ZIGBEE agreements are from the influence of distance, doctor when being tested to patient can within the specified range with
Meaning is walked about, and both ensure that data between the foot of left and right are synchronous, is also ensured that data are complete and errorless is uploaded to host computer.
Further, first pressure sensor 101 includes the multiple pressure testing points for being evenly distributed on first foot bottom,
Second pressure sensor 201 includes the multiple pressure testing points for being evenly distributed on second foot bottom.
Preferably, as shown in Fig. 2, the pressure testing point that first pressure sensor 101 and second pressure sensor 201 include
It is 16.Figure it is seen that first pressure sensor 101 and second pressure sensor 201 are made as the form of insole,
Every insole distributed 16 pressure testing points, when tester station when stationary on insole, 32 can be read
The pressure of point and direction.
Correspondingly, the present invention also provides a kind of static plantar pressure analysis method based on pressure sensor, such as Fig. 3 institutes
Show, the described method comprises the following steps：
Step 1 establishes coordinate system, and the coordinate system includes X-axis and Y-axis；
Step 2, by each pressure testing point measures on first pressure sensor and second pressure sensor pressure data
Decompose X-axis and Y-axis；
The pressure component of all X-axis is added to obtain the total component of X-axis pressure by step 3, by the pressure component phase of all Y-axis
Add to obtain the total component of Y-axis pressure；
Step 4 synthesizes the total component of the X-axis pressure and the total component of Y-axis pressure, obtains the conjunction of final pressure
Power.
Further, step 4 includes：
According to the size of the total component of the X-axis pressure and the total component of Y-axis pressure, most final pressure is obtained using Pythagorean theorem
The size made a concerted effort of power；
According to the direction of the total component of the X-axis pressure and the total component of Y-axis pressure, obtained most using trigonometric function relation
The direction made a concerted effort of end pressure.
Below by taking Fig. 2 as an example, the method for the present invention is explained in detail.
In order to which the pressure data of 32 points is decomposed, coordinate system as shown in Figure 4 is defined, it can be seen that the pressure of left foot
Power test point is distributed in second and third quadrant, and the pressure testing point of right crus of diaphragm is distributed first, fourth quadrant.
Decomposable process is as follows：
The pressure testing point of first quartile：It is born being decomposed respectively positioned at the pressure data of first quartile in X-axis forward direction and Y-axis
To：
x11=F11*cos(α11)
y11=F11*sin(α11)
...
xn1=Fn1*cos(αn1)
yn1=Fn1*sin(αn1)
Wherein, F11...Fn1It is distributed across n power of first quartile, x11...xn1It is point of this n power respectively in X-axis
Amount, y11...yn1It is this n power component in Y-axis respectively；
The pressure testing point of second quadrant：It is born being decomposed respectively positioned at the pressure data of the second quadrant in X-axis negative sense and Y-axis
To：
x12=F12*cos(π-α12)*(-1)
y12=F12*sin(π-α12)
...
xn2=Fn2*cos(π-αn2)*(-1)
yn2=Fn2*sin(π-αn2)
Wherein, F12...Fn2It is distributed across n power of the second quadrant, x12...xn2It is point of this n power respectively in X-axis
Amount, y12...yn2It is this n power component in Y-axis respectively；
The pressure testing point of third quadrant：It will respectively be decomposed in X-axis negative sense and Y-axis just positioned at the pressure data of third quadrant
To：
x13=F13*cos(α13-π)*(-1)
y13=F13*sin(α13-π)*(-1)
...
xn3=Fn3*cos(αn3-π)*(-1)
yn3=Fn3*sin(αn3-π)*(-1)
Wherein, F13...Fn3It is distributed across n power of third quadrant, x13...xn3It is point of this n power respectively in X-axis
Amount, y13...yn3It is this n power component in Y-axis respectively；
The pressure testing point of fourth quadrant：By positioned at the pressure data of fourth quadrant decompose respectively X-axis is positive and Y-axis just
To：
x14=F14*cos(2π-α14)
y14=F14*sin(2π-α14)*(-1)
...
xn4=Fn4*cos(2π-αn4)
yn4=Fn4*sin(2π-αn4)*(-1)
Wherein, F14...Fn4It is distributed across n power of fourth quadrant, x14...xn4It is point of this n power respectively in X-axis
Amount, y11...yn4It is this n power component in Y-axis respectively.
Building-up process is as follows：
(1) size made a concerted effort：Component in previous step in all X-axis is added to obtain the total component Fx of X-axis pressure, it will be upper
Component in one step in all Y-axis is added to obtain the total component Fy of Y-axis pressure, and making a concerted effort for final pressure is obtained using Pythagorean theorem
F：
Fx=x11+...+xn1+x12+...+xn2+x13+...+xn3+x14+...+xn4
Fy=y11+...+yn1+y12+...+yn2+y13+...+yn3+y14+...+yn4
F*F=Fx*Fx+Fy*Fy
(2) direction made a concerted effort：
A. if the total component Fx of X-axis pressure>0, and the total component Fy of Y-axis pressure>=0, then resultant direction：
θ=arctan (Fy/Fx)
B. if the total component Fx of X-axis pressure<0, and the total component Fy of Y-axis pressure>=0, then resultant direction：
θ=180.-arctan(Fy/Fx)
C. if the total component Fx of X-axis pressure<0, and the total component Fy of Y-axis pressure<=0, then resultant direction：
θ=180.+arctan(Fy/Fx)
D. if the total component Fx of X-axis pressure>0, and the total component Fy of Y-axis pressure<=0, then resultant direction：
θ=360 °-arctan (Fy/Fx)。
For verification the present invention actual effect, using multiple people stand observation make a concerted effort size and Orientation distribution, size and
Direction shown by host computer, as shown in Figure 5.The present invention utilizes multiple Vector modulation technologies, according to each pressure in vola
The pressure size of test point and direction calculate size and Orientation with joint efforts eventually by the algorithm of Vector modulation, are examined for medical treatment
Disconnected and rehabilitation provides reference frame.
Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further
It is described in detail, it should be understood that the foregoing is merely the specific embodiments of the present invention, is not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of static plantar pressure analytical equipment based on pressure sensor, which is characterized in that described including main footwear and secondary footwear
First pressure sensor is provided in main footwear, for gathering the pressure data of first foot, the second pressure is provided in the pair footwear
Force snesor for gathering the pressure data of second foot, is carried out between the main footwear and the secondary footwear by ZIGBEE agreements
Data interaction, the pressure data of pressure data and second foot that the main footwear are additionally operable to will collect first foot are uploaded to
Computer.
2. static state plantar pressure analytical equipment according to claim 1, which is characterized in that the main footwear further include first
MCU main control modules and the first ZIGBEE modules, the pair footwear further include the 2nd MCU main control modules and the 2nd ZIGBEE modules, institute
The first ZIGBEE modules and the 2nd ZIGBEE modules are stated for being communicated by ZIGBEE agreements, the first MCU master
Module is controlled to be used to carry out whole control, the 2nd MCU master to the first pressure sensor and the first ZIGBEE modules
Module is controlled to be used to carry out whole control to the second pressure sensor and the 2nd ZIGBEE modules.
3. static state plantar pressure analytical equipment according to claim 2, which is characterized in that the first ZIGBEE modules with
Carried out data transmission between the computer by ZIGBEE agreements, the computer is used to carry out data processing and display.
4. static state plantar pressure analytical equipment according to any one of claim 1 to 3, which is characterized in that described first
Pressure sensor includes the multiple pressure testing points for being evenly distributed on first foot bottom, and the second pressure sensor includes equal
The even multiple pressure testing points for being distributed in second foot bottom.
5. static state plantar pressure analytical equipment according to claim 4, which is characterized in that the first pressure sensor and
The pressure testing point that the second pressure sensor includes is 16.
6. a kind of static plantar pressure analysis method based on pressure sensor, which is characterized in that comprise the following steps：
Step 1 establishes coordinate system, and the coordinate system includes X-axis and Y-axis；
Step 2 decomposes the pressure data that each pressure testing point measures on first pressure sensor and second pressure sensor
To X-axis and Y-axis；
The pressure component of all X-axis is added to obtain the total component of X-axis pressure by step 3, and the pressure component of all Y-axis is added
To the total component of Y-axis pressure；
Step 4 synthesizes the total component of the X-axis pressure and the total component of Y-axis pressure, obtains making a concerted effort for final pressure.
7. static state plantar pressure analysis method according to claim 6, which is characterized in that the step 4 includes：
According to the size of the total component of the X-axis pressure and the total component of Y-axis pressure, final pressure is obtained using Pythagorean theorem
Size with joint efforts；
According to the direction of the total component of the X-axis pressure and the total component of Y-axis pressure, most final pressure is obtained using trigonometric function relation
The direction made a concerted effort of power.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090896A (en) * | 2011-03-28 | 2011-06-15 | 东南大学 | Method for measuring planta pressure for rehabilitation therapy |
| CN103462619A (en) * | 2013-09-30 | 2013-12-25 | 厦门大学 | Plantar pressure measuring device and gait mode identification method using same |
| CN105662419A (en) * | 2016-04-25 | 2016-06-15 | 电子科技大学 | Plantar pressure measuring device and method for exoskeleton control |
-
2018
- 2018-01-11 CN CN201810026140.4A patent/CN108062979A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090896A (en) * | 2011-03-28 | 2011-06-15 | 东南大学 | Method for measuring planta pressure for rehabilitation therapy |
| CN103462619A (en) * | 2013-09-30 | 2013-12-25 | 厦门大学 | Plantar pressure measuring device and gait mode identification method using same |
| CN105662419A (en) * | 2016-04-25 | 2016-06-15 | 电子科技大学 | Plantar pressure measuring device and method for exoskeleton control |
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