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WO2011096367A1 - Dispositif de mesure de force de réaction sur plancher mobile - Google Patents

Dispositif de mesure de force de réaction sur plancher mobile Download PDF

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Publication number
WO2011096367A1
WO2011096367A1 PCT/JP2011/051944 JP2011051944W WO2011096367A1 WO 2011096367 A1 WO2011096367 A1 WO 2011096367A1 JP 2011051944 W JP2011051944 W JP 2011051944W WO 2011096367 A1 WO2011096367 A1 WO 2011096367A1
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WO
WIPO (PCT)
Prior art keywords
sensor
reaction force
foot
moment
floor surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2011/051944
Other languages
English (en)
Japanese (ja)
Inventor
喜雄 井上
京子 芝田
涛 劉
伸好 辻内
和美 纐纈
陽太郎 土屋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kochi University of Technology
Doshisha Co Ltd
Tec Gihan Co Ltd
Original Assignee
Kochi University of Technology
Doshisha Co Ltd
Tec Gihan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kochi University of Technology, Doshisha Co Ltd, Tec Gihan Co Ltd filed Critical Kochi University of Technology
Publication of WO2011096367A1 publication Critical patent/WO2011096367A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
    • G01L5/161—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance
    • G01L5/1627—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance of strain gauges
    • 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
    • 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
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array

Definitions

  • the present invention relates to a mobile floor reaction force measuring device that measures the force in the XYZ-axis direction applied to the sole of the foot and the moment around the XYZ-axis, and can also detect the moving direction of the foot. More specifically, the present invention relates to a mobile floor reaction force measuring apparatus that can estimate a joint moment and muscle force applied to a human lower limb based on a reaction force from the floor.
  • Patent Document 1 In recent years, in fields such as rehabilitation, welfare, and sports, footwear that can estimate the walking state of human beings, moments applied to lower limb joints, muscle strength applied to lower limbs, and reaction force measurement devices attached to the footwear have been proposed. (Patent Document 1).
  • Japanese Patent Application Laid-Open No. 2007-108079 discloses a reaction force measuring device attached to the floor surface side of the footwear 5 as shown in FIG.
  • This reaction force measuring device is configured by attaching a plurality of reaction force sensors 70 between two upper and lower upper plates 6u and 6d on which an external force acts.
  • XYZ direction force is output based on the above, and moments about the X axis, the Y axis, and the Z axis can be measured based on the distance and force difference from each reaction force sensor 70.
  • a sensor unit 71 and a sensor unit 72 are separately provided at two locations of a heel portion and a tip portion of the foot, and the sensor unit 71, The position of the marker 80 provided at 72 is imaged with a camera so that the reaction force and moment from the floor can be measured.
  • the method for measuring the reaction force from the floor using the reaction force measuring device as described above has the following problems.
  • the absolute coordinate system it may be preferable to measure forces and moments in an absolute coordinate system rather than determining coordinates based on the sensor unit. For example, when walking in the inner crotch state where the toe side is rotated inward after grounding the heel during walking (the state of FIG. 8), or when switching between the accelerator and brake of a car, the absolute coordinate system It is preferable to be able to detect what force is applied in which direction.
  • Patent Document 1 the sensor units 71 and 72 are attached with markers and photographed with a camera.
  • the measurable location is the field of view of the camera.
  • the inspection using the camera cannot be performed in a narrow place where the camera cannot be set up or in a wide place where walking for a very long distance is required.
  • the present invention makes it possible to accurately measure the reaction force and moment from the floor without using a camera, and to move the foot in the horizontal plane.
  • An object of the present invention is to provide a mold reaction force detection device.
  • the present invention is a movable floor reaction that is attached to a subject's foot and measures a force in three orthogonal directions and a moment around each axis based on a reaction force from the floor surface.
  • a plurality of sensor units that are provided separately on the heel side of the foot and the tip side of the foot and measure the reaction force in the three orthogonal directions and the moment about each axis, and each of the sensors
  • a posture detection sensor for detecting the posture of the unit and an azimuth sensor for detecting the direction of the subject's foot with respect to the horizontal direction are provided.
  • the angle between the foot heel side sensor unit and the tip side sensor unit can be detected by the posture detection sensor, so even if the ground contact state of the foot changes during walking, the floor can be accurately detected.
  • the reaction force and moment received from the surface can be measured.
  • the direction sensor can detect which direction the sensor unit is facing, so it is not limited to the viewing angle of the camera. It becomes possible to measure the force and moment based on it.
  • the reaction force sensor when the reaction force sensor is provided in the sensor unit, the reaction force sensor is provided so as to form a triangular shape having the arch side of the foot as a vertex.
  • a mobile floor reaction force measuring device that is attached to a subject's foot and measures a force in three axial directions orthogonal to each other based on a reaction force from the floor and a moment around each axis
  • a plurality of sensor units that are provided separately on the heel side and the tip end side of the foot, and measure the reaction force in the three orthogonal directions and the moments around the respective axes, and the postures for detecting the postures of the respective sensor units
  • a detection sensor and an azimuth sensor for detecting the direction of the subject's foot in the horizontal direction are provided, and even when the ground contact state of the foot changes during walking, Moment can be measured.
  • the direction sensor can detect which direction the sensor unit is facing, so it is not limited to the viewing angle of the camera. It becomes possible to measure the force and moment based on it.
  • FIG. 1 Schematic of a mobile floor reaction force measuring device according to an embodiment of the present invention
  • FIG. 1 Schematic cross section of mobile floor reaction force measuring device
  • FIG. 1 Schematic cross section of mobile floor reaction force measuring device
  • FIG. 1 Schematic cross section of mobile floor reaction force measuring device
  • FIG. 1 Schematic cross section of mobile floor reaction force measuring device
  • FIG. 1 Schematic cross section of mobile floor reaction force measuring device
  • FIG. 1 The figure which shows the strain gauge attached to the leg part of the reaction force sensor of the same form (a), and the figure which shows the strain gauge in the back surface side (b)
  • the mobile floor reaction force measuring device 100 in this embodiment is used by being attached to the back surface of footwear 5 such as shoes or sandals, and as shown in FIG. 1, on the heel side of the foot and the tip side of the foot.
  • Two independent sets of sensor units 101 and 102 are provided so that each sensor unit 101 and 102 can output a reaction force from the floor and a moment about its three axes in the absolute coordinate system XYZ. Then, using the output value and the output value of the posture sensor (not shown) provided on the lower leg and thigh other than this, it is possible to measure the load on the muscles and joints of the human lower limb that performs rehabilitation etc. It is a thing.
  • X′Y′Z ′ is described as a coordinate system based on the sensor units 101 and 102
  • XYZ is described as an absolute coordinate system.
  • the sensor units 101 and 102 constituting the movable floor reaction force measuring device 100 are provided with a reaction force sensor 10 between an upper plate 1 u and a lower plate 1 d, and each reaction force. Based on the output value from the sensor 10, the force in the XYZ directions and the moment about each axis in the absolute coordinate system can be measured.
  • the upper plate 1u and the lower plate 1d are made of a relatively hard material such as a metal plate, hard plastic, or ceramic.
  • the upper plate 1u is indicated by a broken line. At this time, if the upper plate 1u and the lower plate 1d are made of a relatively soft material, a large load is applied only to the specific reaction force sensor 10, and the load cannot be endured.
  • the reaction force sensor 10 is enlarged so as to be able to withstand this load, the size of the reaction force sensor 10 increases the state of the foot as when the boots are worn, making natural walking difficult. Therefore, the upper plate 1u and the lower plate 1d are made of a hard material, so that the load applied to each reaction force sensor 10 can be dispersed and the reaction force sensor 10 itself can be made smaller. Moment can be measured by distance and load.
  • the sensor unit 101 on the heel side is provided with two reaction force sensors 10 on the heel side of the foot, and on the arch side.
  • One reaction force sensor 10 is provided.
  • reaction force sensors 10 are provided on the tip side of the foot, and one reaction force sensor 10 is provided on the arch side so as to form an equilateral triangle.
  • the load resistance can be reduced, and the thickness of the shoe sole can be reduced by reducing the upper and lower thickness widths. You can make it smaller.
  • the upper plate 1u and the lower plate 1d are attached to the footwear 5 in a state of being separated into the heel side and the distal end side of the foot so as to give freedom to the movement of the foot during human walking.
  • the upper plate 1u is detachably attached to the back surface of the footwear 5 (see FIG. 7) via a hook-and-loop fastener or the like, or is attached to the shoe sole integrally.
  • a rubber plate or the like is attached to the lower surface side of the lower plate 1d in order to improve cushioning with the floor surface.
  • the upper plate 1u may be attached to the back surface of the footwear 5 by other methods.
  • a non-woven fabric such as felt is attached to provide cushioning properties. Also good.
  • the reaction force sensor 10 attached between the upper plate 1u and the lower plate 1d is a sensor that can measure forces in three orthogonal directions.
  • the three orthogonal axes indicate the respective axes X′Y′Z ′ of the orthogonal coordinate system with reference to each reaction force sensor 10, and the values in the respective axis directions and the posture detection sensor 107 described later. Then, it is converted into an absolute coordinate system using the geomagnetic sensor 108 and the reaction force in the XYZ directions is measured.
  • FIG. 3 shows an external perspective view of the reaction force sensor 10 in this embodiment.
  • the reaction force sensor 10 shown in FIG. 3 has a size of about 20 mm ⁇ about 20 mm in length and width and a thickness of about 5 mm to 6 mm.
  • From the square frame 11 and the center of the frame 11 Legs 12 to 15 extending radially outward and eight first strains provided on both side surfaces of the legs 12 to 15 so as to detect displacement in the longitudinal direction of the legs 12 to 15 so as to detect displacement in the longitudinal direction of the legs 12 to 15
  • the gauges 21 to 28 and the second strain gauges 31 to 38 attached at an angle of about 45 degrees with respect to the longitudinal direction of the legs 12 to 15 are included.
  • FIG. 1 shows an external perspective view of the reaction force sensor 10 in this embodiment.
  • the reaction force sensor 10 shown in FIG. 3 has a size of about 20 mm ⁇ about 20 mm in length and width and a thickness of about 5 mm to 6 mm.
  • From the square frame 11 and the center of the frame 11
  • the first strain gauges 22, 23, 25, 28 and the second strain gauges 32, 33, 35, 38 are not shown because they are provided on the back side of the leg portions 12-15. In such a configuration, a force is applied to the pin 16 penetrating into the center tap hole so that the forces in the three orthogonal directions can be detected.
  • leg portions 12 to 15 are configured in a vertically long plane shape having a slight gap from the bottom surface portion of the frame portion 11, thereby being able to withstand a large load in the thickness direction (Z ′ direction in FIG. 3). ing.
  • the first strain gauges 21 to 28 attached to the eight portions on both sides of the leg portions 12 to 15 are attached in the longitudinal direction, and the first strain gauges 21 to 28 are used in FIG.
  • the bridge circuit 41 shown in FIG. 4 is configured so that the load applied in the X ′ direction and the Y ′ direction can be detected.
  • the second strain gauges 31 to 38 are attached at eight positions so as to form an angle of 45 degrees on each side surface of the leg portions 12 to 15, and detect a load applied in the Z ′ direction or the oblique direction.
  • the second strain gauges 31 to 38 are attached to the both side surfaces, they are attached so that the direction on the front surface side and the direction on the back surface side are reversed. And a load in the Z ′ direction is detected by a change in the resistance value of the bridge circuit.
  • the reaction force sensor 10 will be described in detail.
  • the bridge circuit 41 shown in FIG. 6A is formed by the first strain gauges 21, 22, 25, 26 provided on the pair of opposing legs 12, 14.
  • a bridge circuit 41 shown in FIG. 6B is formed by the first strain gauges 23, 24, 27, 28 provided on a pair of leg portions 13, 15 that are adjacent to each other and are opposed to each other.
  • the bridge circuit 42 using the second strain gauges 31 to 38 as shown in FIG. 6C, the second strain gauges 31 to 38 provided on the front and back of the same leg portions 12 to 15 are connected in series.
  • the bridge circuit 42 is formed so that the second strain gauges 31 to 38 of the leg portions 12 to 15 facing each other face each other.
  • the bridge circuit 42 formed by the second strain gauges 31 to 38 can detect a change in the Z′-axis direction.
  • no change in the Z ′ direction is detected in the bridge circuit 41 formed by the first strain gauges 21 to 28. That is, when the increase in resistance value of the first strain gauges 21 to 28 is equal, the output voltage does not change, and the output voltage does not change for the first strain gauges 21 to 28 as well.
  • the leg portion 12 when a force is applied in the Y′-axis direction, the leg portion 12 is compressed, the leg portion 14 changes so as to extend, and the leg portion 13 and the leg portion 15 change in a bending direction.
  • the first strain gauges 21, 22 and the second strain gauges 31, 32 change in the direction in which the length contracts, and the resistance value decreases.
  • the resistance value increases.
  • the first strain gauges 24 and 27 and the second strain gauges 34 and 37 change in the direction in which the length increases, the resistance value increases.
  • the first strain gauges 23 and 28 and the second strain gauges 33 and 38 change in the direction in which the length is reduced, and the resistance value decreases.
  • the reaction force sensor 10 can detect the force in the Y′-axis direction, and the force in the X ′ direction can be detected in the same manner in the X ′ direction.
  • reaction force acting in the X′Y′Z ′ direction is detected by the reaction force sensor 10 constituted by the first strain gauges 21 to 28 and the second strain gauges 31 to 38.
  • the reaction force sensor 10 is arranged at least in a regular triangular shape so as not to be positioned on a straight line with respect to the upper plate 1u and the lower plate 1d, and as shown in FIG. 2, the frame portion 11 is placed on the lower plate 1d.
  • the pin 16 inserted in the center is fixed to the upper plate 1u. Then, a slight space is provided between the upper plate 1u and the lower plate 1d, and the reaction force acting in the X'Y'Z 'direction by a load based on the relative displacement between the upper plate 1u and the lower plate 1d. Is detected.
  • reaction forces acting in the X′Y′Z ′ direction of the three reaction force sensors 10 of the sensor units 101 and 102 are detected, and reaction forces and moments at the center of gravity positions of the sensor units 101 and 102 are measured.
  • a substrate having a calculation unit 103 for measuring force a posture detection sensor 107 such as a gyro sensor, an acceleration sensor, and the like, A geomagnetic sensor 108 and the like are provided.
  • the computing unit 103 measures the reaction force and moment at the center of gravity of each sensor unit 101, 102 based on the output value from each sensor unit 101, 102.
  • each sensor unit 101 , 102 the reaction force in the X′Y′Z ′ direction is F 1X ′ , F 2X ′ , F 3X ′
  • the reaction force in the Y ′ direction is F 1Y ′ , F 2Y ′ , F 3Y ′
  • the Z ′ direction Where F 1Z ′ , F 2Z ′ , and F 3Z ′ are measured, the reaction forces at the gravity center positions G 1 and G 2 of the sensor units 101 and 102 are measured according to the following equations.
  • F 1X ' F 11X' + F 12X ' + F 13X'
  • F 1Y ' F 11Y' + F 12Y ' + F 13Y'
  • F 1Z ' F 11Z' + F 12Z ' + F 13Z'
  • F 2X ' F 21X' + F 22X ' + F 23X'
  • the correction unit 104 measures the output reaction forces and moments in the X ′, Y ′, and Z ′ directions of the output sensor units 101 and 102 as reaction forces and moments in the absolute coordinate system.
  • one common posture detection sensor 107 is provided for each of the sensor units 101 and 102, and the coordinates and postures of the sensor units 101 and 102 with respect to the absolute coordinates based on the output value from the posture detection sensor 107. Is output.
  • the attitude detection sensor 107 may be any sensor as long as it can output the relative positional relationship and attitude of the sensor units 101 and 102, for example, a gyro sensor or an acceleration. A sensor or the like is used.
  • the posture detection sensor 107 is fixedly attached to the upper plate 1u and the lower plate 1d, and an output value thereof is output to the correction unit 104.
  • the angular velocity of the sensor units 101 and 102 to which the gyro sensor is attached can be detected, and the sensor unit 101 to which the gyro sensor is attached by integrating the angular velocity with the sampling time.
  • the posture of 102 can be detected. That is, it is possible to detect a change in angle with respect to the floor surface.
  • this integration process may cause an error due to the passage of time, and the error may be accumulated to greatly deviate from the normal posture.
  • an acceleration sensor can be used together.
  • This acceleration sensor measures the sum of the component of gravity acceleration and the component of acceleration generated by movement, and uses a sensor that measures only the gravitational acceleration in a stationary state. At this time, if the acceleration sensor is tilted, the gravitational component changes. Therefore, if the acceleration sensor is known to be stationary, the tilt posture can be measured. Since the acceleration sensor is stationary when the two sets of sensor units 101 and 102 are in contact with the floor surface, the inclination obtained by integrating the angular velocity by the gyro sensor can be corrected. Whether or not the two sets of sensor units 101 and 102 are in contact with the floor surface can be determined by the output of the reaction force sensor 10 in the Z ′ direction. In this way, errors that occur when integrating the gyro sensor can be suppressed.
  • the ground contact state of the two sets of sensor units 101 and 102 can be grasped from the output of the reaction force sensor 10 in the Z ′ direction and the output of the posture detection sensor 107.
  • a floor reaction force and moment with the floor surface as a reference position can be obtained.
  • the reaction force or moment from the floor is obtained in this way, as shown in FIG. 8, if the direction in which the foot faces changes along the floor and the horizontal plane, the force and moment in the Z direction change. Although not, the direction of the force in the X direction and the Y direction of the reaction force sensor 10 changes. For this reason, in order to convert the forces and moments in these directions into the forces and moments in the XYZ directions in the absolute coordinate system, it is detected using the geomagnetic sensor 108 which direction the sensor units 101 and 102 are facing. .
  • the geomagnetic sensor 108 is provided on both the heel side sensor unit 101 and the tip side sensor unit 102, but it may be provided only on one side. Then, such a geomagnetic sensor 108 is used to detect the direction in which the sensor units 101 and 102 face in the absolute coordinate system, and the reaction force and moment from the floor surface are corrected using the values.
  • reaction force and moment of the XYZ axes corrected in this way are output to the arithmetic unit 106 via the output unit 105, where these output values and other postures such as the lower leg and thigh are separately detected.
  • the load on the lower limb of the subject and the moment on the joint are measured.
  • reaction forces and moments from the sensor units 101 and 102 may be output, or reaction forces applied to the position of the center of gravity of the entire foot may be calculated and output.
  • the subject wears the footwear 5, and the sensor units 101 and 102 provided on the back surface of the footwear 5 are in a horizontal state (FIG. 7B), and the acceleration sensor detects only gravitational acceleration. It measures and corrects the inclination by the gyro sensor and detects the directions of the sensor units 101 and 102 using the geomagnetic sensor.
  • a human load is applied to each of the sensor units 101 and 102, and reaction forces and moments in the XYZ directions in the absolute coordinate system are output from the reaction force sensors 10 of the sensor units 101 and 102.
  • the heel side of the foot is lifted as shown in FIG.
  • the sensor unit 101 on the heel side is inclined by ⁇ 1X , ⁇ 1Y , ⁇ 1Z with respect to the floor surface, and when the heel is slightly in contact with the floor surface, the reaction force or moment from the floor surface is Receive.
  • the reaction force and moment output from the reaction force sensor 10 on the sensor unit 101 side are inclined with respect to the floor surface, the reaction force and moment are referenced to the floor surface via the correction unit 104.
  • the reaction force and moment are corrected.
  • the sensor unit 102 on the front end side is in a horizontal state with the floor surface, the output value of the reaction force in the vertical direction does not change even if correction is performed via the correction unit 104.
  • the sensor unit 101 on the heel side is substantially horizontal with the floor surface, while the sensor unit 102 on the distal end side is inclined with respect to the floor surface.
  • the reaction force and moment output from the reaction force sensor 10 on the sensor unit 102 side are inclined with respect to the floor surface. Therefore, coordinate conversion is performed via the correction unit 104 to obtain the reaction force and moment. to correct.
  • the sensor unit 101 on the heel side is in a horizontal state with the floor surface in this state, even if correction is performed via the correction unit 104, the output values of the reaction force and the moment do not change.
  • reaction force and moment corrected through the correction unit 104 in this way are output to the arithmetic unit 106 through the output unit 105, and the output value and the posture of the lower leg, thigh, etc. are detected separately.
  • the output value and the posture of the lower leg, thigh, etc. are detected separately.
  • the sensor unit 101 is provided separately on the heel side of the foot and the tip side of the foot, and measures the reaction force in the three orthogonal directions and the moment around each axis. , 102, a posture detection sensor 107 such as a gyro sensor or an acceleration sensor for detecting the posture of each sensor unit 101, 102, and a geomagnetic sensor 108 for detecting the orientation of the subject's foot in the horizontal direction.
  • a posture detection sensor 107 such as a gyro sensor or an acceleration sensor for detecting the posture of each sensor unit 101, 102
  • a geomagnetic sensor 108 for detecting the orientation of the subject's foot in the horizontal direction.
  • the three reaction force sensors 10 are provided between the upper plate 1u and the lower plate 1d, but the number of reaction force sensors 10 is limited to three. Instead, four or more may be provided. At this time, each reaction force sensor 10 may be arranged in a place where a load is easily applied.
  • the sensor units 101 and 102 are provided on the heel side and the tip side, but may be further divided and provided on the back surface of the footwear 5.
  • the sensor units 101 and 102 are attached between the back surface and the floor surface of the footwear 5, but the sensor units 101 and 102 may be provided below the insole of the footwear 5. Good.
  • a gyro sensor, an acceleration sensor, a geomagnetic sensor 108, or the like is used as the posture detection sensor 107, but the angle, position, and direction between each sensor unit 101, 102 and the floor surface are measured. Anything that can be used may be used.

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Abstract

L'invention a pour objet de permettre une mesure précise de la force de réaction exercée par la surface d'un plancher et du moment sans utiliser de caméra, tout en permettant la mesure de l'orientation d'un pied dans un plan horizontal, des capteurs (10) de force de réaction sont fixés dans trois positions à une unité (101) de capteur placée du côté talon du pied d'un sujet et à une unité (102) de capteur placée du côté pointe du pied afin de déterminer les forces dans les directions de trois axes orthogonaux les uns aux autres et les moments autour des axes. Chacune des unités (101, 102) de capteurs est munie d'un capteur (107) de détection de posture servant à détecter l'angle de celle-ci par rapport au plan horizontal et d'un capteur géomagnétique (108) servant à détecter l'orientation dans la direction horizontale du pied du sujet, l'angle formé avec la surface du plancher étant corrigé en utilisant le capteur (107) de détection de posture et la variation d'orientation à la surface du plancher étant corrigée en utilisant le capteur géomagnétique (108).
PCT/JP2011/051944 2010-02-02 2011-01-31 Dispositif de mesure de force de réaction sur plancher mobile Ceased WO2011096367A1 (fr)

Applications Claiming Priority (2)

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JP2010021672A JP4912477B2 (ja) 2010-02-02 2010-02-02 移動型床反力計測装置
JP2010-021672 2010-09-07

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JP2014534451A (ja) * 2011-11-29 2014-12-18 イ、ジン−ウクLEE, Jin−Wook 歩行診断のためのシューズインソールセンサ及びそれと接触されるシューズインソール基板
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02238336A (ja) * 1989-03-10 1990-09-20 Ricoh Co Ltd 姿勢センサ
US5396265A (en) * 1990-09-17 1995-03-07 Massachusetts Institute Of Technology Three-dimensional tactile computer input device
JP2003071776A (ja) * 2001-08-28 2003-03-12 Honda Motor Co Ltd 脚式歩行ロボットの床反力検出器
JP2006516053A (ja) * 2002-04-10 2006-06-15 フラウエンホーファー−ゲゼルシャフト ツア フェルデルンク デア アンゲワンテン フォルシュンク エー．ファウ． 表示装置上に表現可能な対象を制御するための入力装置、システムおよび方法
JP2007108079A (ja) * 2005-10-14 2007-04-26 Tokai Univ ６軸力センサ
JP2007187596A (ja) * 2006-01-16 2007-07-26 Keitekku System:Kk ３軸力覚センサ
JP2008298486A (ja) * 2007-05-29 2008-12-11 Kochi Univ Of Technology 床反力推定システム並びに床反力推定方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3400377B2 (ja) * 1999-03-10 2003-04-28 富士通株式会社 足平センサ及びこれを備えた人間型ロボット
FR2929827A1 (fr) * 2008-04-14 2009-10-16 Commissariat Energie Atomique Semelle a capteurs de force.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02238336A (ja) * 1989-03-10 1990-09-20 Ricoh Co Ltd 姿勢センサ
US5396265A (en) * 1990-09-17 1995-03-07 Massachusetts Institute Of Technology Three-dimensional tactile computer input device
JP2003071776A (ja) * 2001-08-28 2003-03-12 Honda Motor Co Ltd 脚式歩行ロボットの床反力検出器
JP2006516053A (ja) * 2002-04-10 2006-06-15 フラウエンホーファー−ゲゼルシャフト ツア フェルデルンク デア アンゲワンテン フォルシュンク エー．ファウ． 表示装置上に表現可能な対象を制御するための入力装置、システムおよび方法
JP2007108079A (ja) * 2005-10-14 2007-04-26 Tokai Univ ６軸力センサ
JP2007187596A (ja) * 2006-01-16 2007-07-26 Keitekku System:Kk ３軸力覚センサ
JP2008298486A (ja) * 2007-05-29 2008-12-11 Kochi Univ Of Technology 床反力推定システム並びに床反力推定方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
T. LIU ET AL.: "A Wearable Force Plate System to Successively Measure Multi- axial Ground Reaction Force for Gait Analysis", PROCEEDINGS OF THE 2009 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND BIOMIMETICS, 2009, pages 836 - 841, XP031641859 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014534451A (ja) * 2011-11-29 2014-12-18 イ、ジン−ウクLEE, Jin−Wook 歩行診断のためのシューズインソールセンサ及びそれと接触されるシューズインソール基板
ITTO20120890A1 (it) * 2012-10-11 2014-04-12 Fond Istituto Italiano Di Tecnologia Unita' elettronica di misura per un dispositivo polimorfico per la misura di forze, e dispositivo polimorfico includente la medesima
WO2014057479A2 (fr) 2012-10-11 2014-04-17 Fondazione Istituto Italiano Di Tecnologia Unité de mesure électronique pour dispositif polymorphe de mesure d'une force et dispositif polymorphe l'intégrant
WO2014057479A3 (fr) * 2012-10-11 2014-06-12 Fondazione Istituto Italiano Di Tecnologia Unité de mesure électronique pour dispositif polymorphe de mesure d'une force et dispositif polymorphe l'intégrant
CN104919291A (zh) * 2012-10-11 2015-09-16 意大利学院科技基金会 用于力测量的多形态装置的电子测量单元和包括该电子测量单元的多形态装置
US9719868B2 (en) 2012-10-11 2017-08-01 Fondazione Instituto Italiano Di Tecnologia Electronic measurement unit for a polymorphous device for force measurement and polymorphous device including the same
WO2017046586A1 (fr) * 2015-09-14 2017-03-23 Pavegen Systems Limited Système de revêtement de sol
US10557460B2 (en) 2015-09-14 2020-02-11 Pavegen Systems Limited Flooring system

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