KR20170087682A - Apparatus for analyzing motion - Google Patents

Abstract

An embodiment of the present invention provides a sensor unit including a plurality of sensor units having a pair of sensing units spaced apart from each other along a coaxial axis and attached to a user's body to generate a sensing signal, An information processing unit for receiving the sensing signals and three-dimensionally analyzing the motion of the user to generate motion information, and a communication unit for transmitting the motion information of the information processing unit to the outside, wherein the plurality of sensor units have different coaxial And is arranged along the first direction.

Description

Apparatus for analyzing motion < RTI ID = 0.0 >

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an operation analyzing apparatus, and more particularly, to an operation analyzing apparatus having a sensor unit disposed on both sides of a user's bone to accurately analyze human motion.

Walking is the most commonly used method for human movement. It is necessary to analyze the gait to treat a person who is in such difficulty to walk. The gait analysis method uses motion information, kinetic information, and dynamic EMG information for various parts of the human body. In the past, it was virtually the only gait analysis that the physician repeatedly observed the gait of the neuromuscular skeletal disease patients in clinical practice, but it was impossible to objectively identify the many factors that could lead to abnormal gait pattern and the change of gait pattern . Therefore, in order to obtain information related to abnormal walking, it is necessary to have a gait analysis system that is composed of cutting-edge electronic and computer technology. To date, many rehabilitation medicine, orthopedic, sports medicine and industrial medicine It is being studied in related hospitals and laboratories.

The conventional motion analyzing apparatus is composed of an infrared ray stroboscope, a video camera, a pressure sensing plate, and sensing devices and data analysis software that enable the sensor to be attached to the joints of a patient and the like. Such an operation analyzing apparatus is capable of analyzing in the photographing area of the camera, and analyzes the walking operation of the pedestrian only at one point. However, there is a systematic problem that can not be used for gait training, such as walking and posture correction, by analyzing the pedestrian's walking motion in real time and feeding it back.

Embodiments of the present invention include a sensor unit for attaching a pair of sensing units to a body of a user so as to provide an operation analyzer capable of accurately analyzing an operation of a user without limitation of space while being portable.

An embodiment of the present invention provides a sensor unit including a plurality of sensor units having a pair of sensing units spaced apart from each other along a coaxial axis and attached to a user's body to generate a sensing signal, An information processing unit for receiving the sensing signals and three-dimensionally analyzing the motion of the user to generate motion information, and a communication unit for transmitting the motion information of the information processing unit to the outside, wherein the plurality of sensor units have different coaxial And is arranged along the first direction.

In one embodiment of the present invention, the plurality of sensor units may include a pair of first sensing units disposed apart from each other along a first coaxial axis, A second sensor unit attached to the body of the user to generate a second sensing signal and a second sensor unit having a first sensor unit and a pair of second sensing units spaced apart from each other along a second coaxial axis, And a third sensor unit having a pair of third sensing units disposed on the body of the user and generating a third sensing signal attached to the body of the user.

In one embodiment of the present invention, the first sensor unit may be attached to the femoral portion of the user, the second sensor unit may be attached to the lower leg of the user, and the third sensor unit may be attached to the user's foot.

In one embodiment of the present invention, each of the first sensing unit, the second sensing unit, and the third sensing unit may include at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor.

In one embodiment of the present invention, the apparatus may further include at least one sensor unit attached to the user's body to generate a fourth sensing signal.

In one embodiment of the present invention, the single sensor unit may include at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor.

In one embodiment of the present invention, the single sensor portion may be attached to the pelvis of the user.

According to an embodiment of the present invention, the apparatus may further include a pressure sensor unit disposed at the soles of the user, for sensing a pressure of the user and generating a pressure signal.

In one embodiment of the present invention, the information processing unit may store normal operation information, and may further generate operation comparison information by comparing the motion information of the analyzed user with the normal operation information.

In one embodiment of the present invention, the information processing unit further generates a warning signal when the motion information is different from the normal operation information, and the operation analyzing apparatus further includes an alarm unit operable when the warning signal is input can do.

According to another embodiment of the present invention, there is provided a method for detecting a user's body, comprising: generating a sensing signal of a user's body by a plurality of sensor units attached to a user's body, the pair of sensing units being spaced apart from each other along a coaxial axis; And an information processing unit for receiving the plurality of sensing signals generated from the plurality of sensor units and three-dimensionally analyzing the motion of the user to generate motion information.

In another embodiment of the present invention, the method may further include transmitting, by the communication unit, motion information of the information processing unit to the outside.

In another embodiment of the present invention, the step of generating a sensing signal of the user's body comprises a pair of first sensing units spaced apart from each other along a first coaxial axis, Generating a first sensing signal of a user's body by the sensor unit; Generating a second sensing signal of the user's body by a second sensor unit having a pair of second sensing units spaced apart from each other along a second coaxial axis and attached to the user's body; And generating a third sensing signal of the user's body by a third sensor unit having a pair of third sensing units spaced apart from each other along the third coaxial and attached to the user's body .

In another embodiment of the present invention, the first sensor unit may be attached to the thigh of the user, the second sensor unit may be attached to the lower leg of the user, and the third sensor unit may be attached to the user's foot.

 In another embodiment of the present invention, each of the first sensing unit, the second sensing unit, and the third sensing unit may include at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor.

In another embodiment of the present invention, the method may further include the step of generating a fourth sensing signal by being attached to the user's body by a single sensor unit.

In another embodiment of the present invention, the single sensor unit may include at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor.

In another embodiment of the present invention, the single sensor portion may be attached to the pelvis of the user.

In another embodiment of the present invention, the method may further include generating a pressure signal by sensing a pressure of the user, the pressure sensor being disposed at a soles of the user by a pressure sensor unit.

 In another embodiment of the present invention, the method may further include the step of storing the normal operation information by the information processing unit and generating the operation comparison information by comparing the motion information of the analyzed user with the normal operation information have.

According to another embodiment of the present invention, there is provided a method of generating a warning signal, the method comprising: generating an alert signal when the motion information is different from the normal motion information; And informing the user that the operation is not correctly performed by the alarm unit operating when the warning signal is input.

In another embodiment of the present invention, there is provided a computer program stored in a computer for executing any one of the methods described above.

Other aspects, features, and advantages will become apparent from the following drawings, claims, and detailed description of the invention.

The motion analyzing apparatus according to embodiments of the present invention can detect motion information between a plurality of bones having different co-axes, rather than simply motion information on joints, through a pair of sensing units spaced from each other on both sides of the user's bone Can be analyzed. Therefore, the motion analyzing apparatus according to an embodiment of the present invention can more accurately analyze the motion of the human body as compared with the conventional motion analyzing apparatus for analyzing the motion through the sensors disposed in the joints.

1 is a block diagram showing an operation analyzing apparatus according to an embodiment of the present invention.
Fig. 2 is a diagram showing an example of attachment to a user's body in the motion analyzer shown in Fig. 1. Fig.
3 is a flowchart showing an information processing step of the information processing unit shown in FIG.
4 is a block diagram illustrating an apparatus for analyzing motion according to another embodiment of the present invention.
Fig. 5 is a diagram showing an example of attachment to a user's body in the motion analyzer shown in Fig. 4. Fig.
6 is a flowchart showing an information processing step of the information processing unit shown in FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated in the drawings and described in detail in the detailed description. The effects and features of the present invention and methods of achieving them will be apparent with reference to the embodiments described in detail below with reference to the drawings. However, the present invention is not limited to the embodiments described below, but may be implemented in various forms.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like or corresponding components throughout the drawings, and a duplicate description thereof will be omitted .

In the following embodiments, the terms first, second, and the like are used for the purpose of distinguishing one element from another element, not the limitative meaning.

In the following examples, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

In the following embodiments, terms such as inclusive or possessive are intended to mean that a feature, or element, described in the specification is present, and does not preclude the possibility that one or more other features or elements may be added.

In the following embodiments, when a part of a film, an area, a component or the like is on or on another part, not only the case where the part is directly on the other part but also another film, area, And the like.

In the drawings, components may be exaggerated or reduced in size for convenience of explanation. For example, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of explanation, and thus the present invention is not necessarily limited to those shown in the drawings.

If certain embodiments are otherwise feasible, the particular process sequence may be performed differently from the sequence described. For example, two processes that are described in succession may be performed substantially concurrently, and may be performed in the reverse order of the order described.

In the following embodiments, when a film, an area, a component, or the like is referred to as being connected, not only the case where the film, the region, and the components are directly connected but also the case where other films, regions, And indirectly connected. For example, in the present specification, when a film, an area, a component, and the like are electrically connected, not only a case where a film, an area, a component, etc. are directly electrically connected but also another film, And indirectly connected electrically.

FIG. 1 is a block diagram showing an operation analyzing apparatus 100 according to an embodiment of the present invention. FIG. 2 is a diagram showing an example of an operation analyzing apparatus 100 shown in FIG. 1, .

1 and 2, the operation analysis apparatus 100 may include a plurality of sensor units 110, an information processing unit 120, and a communication unit 130.

The sensor unit 110 includes a pair of sensing units spaced apart from each other along a coaxial axis, and may be attached to a user's body to generate a sensing signal. The motion analysis apparatus 100 may include a plurality of sensor units 110, and the plurality of sensor units 110 may be disposed along different coaxial axes. The present invention does not limit the number of the sensor units 110. [ However, for convenience of explanation, the case where the sensor unit 110 includes the first sensor unit 111, the second sensor unit 112, and the third sensor unit 113 will be described.

The first sensor unit 111 includes a pair of first sensing units 10-1 and 10-2 that are spaced apart from each other along the first coaxial line A1 and are attached to the user's body, Lt; / RTI > The first sensor unit 111 may be attached to the thigh of the user. At this time, the 1-1 sensing unit 10-1, which is one of the pair of first sensing units 10-1 and 10-2, is attached on the upper side of the thigh, and the 1-2 sensing unit 10 -2) may be attached to the lower side of the thigh. In this specification, the head direction is referred to as the upper side and the leg direction is defined as the lower side based on the case where the user is standing as shown in the drawing. The first coaxial portion A1 is disposed at the center of the thigh portion along the longitudinal direction of the thigh of the user and can move together with the movement of the thigh. The pair of first sensing units 10-1 and 10-2 are disposed along the first coaxial line and can be disposed on both sides of the femoral region of the user. The first sensor unit 111 may detect movement of the thighs and generate a first sensed signal through a pair of first sensing units 10-1 and 10-2 disposed on both sides of the thigh.

The second sensor unit 112 includes a pair of second sensing units 20-1 and 20-2 which are disposed apart from each other along the second coaxial line A2 and are attached to the user's body, Lt; / RTI > The second sensor unit 112 may be attached to the lower leg of the user. At this time, the second-1 sensing unit 20-1, which is one of the pair of second sensing units 20-1 and 20-2, is attached on the upper side of the lower leg, and the second one-second sensing unit 20-1 -2) may be attached to the lower side of the lower leg portion. The pair of second sensing units 20-1 and 20-2 are disposed along the second coaxial line A2 and may be disposed on both sides of the user's lower leg portion. The second sensor unit 112 can detect the movement of the lower part through the pair of second sensing units 20-1 and 20-2 disposed on both sides of the lower part and generate the second sensing signal.

The third sensor unit 113 includes a pair of third sensing units 30-1 and 30-2 that are disposed apart from each other along the third coaxial line A3 and are attached to the user's body, Lt; / RTI > The third sensor unit 113 may be attached to the user's foot. At this time, the third-1 sensing unit 30-1, which is one of the pair of third sensing units 30-1 and 30-2, is attached on the upper side of the foot, and the third-second sensing unit 30 -2) can be attached to the underside of the instep. The pair of third sensing units 30-1 and 30-2 are disposed along the third coaxial line A3 and may be disposed on both sides of the user's foot. The third sensor unit 113 can detect movement of the foot and sense a third sensing signal through a pair of third sensing units 30-1 and 30-2 disposed on both sides of the foot.

The first sensing unit 10, the second sensing unit 20 and the third sensing unit 30 may include at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor. In other words, a pair of first sensing units 10-1 and 10-2, a pair of second sensing units 20-1 and 20-2 and a pair of third sensing units 30-1 and 30-2, May be an IMU (Inertial Measurement Unit) sensor, which is an inertial sensor. The first sensor unit 111, the second sensor unit 112 and the third sensor unit 113 can accurately detect movement of the user's thighs, lower legs and feet using the inertial sensor.

The first sensor unit 111, the second sensor unit 112 and the third sensor unit 113 may be disposed on different body parts, but may not be overlapped with each other. Specifically, the first coaxial line A1 disposed at the center of the thigh, the second coaxial line A2 disposed at the center of the lower limb, and the third coaxial line A3 disposed at the center of the foot have different directions, angles, Lt; / RTI > Since the first sensor unit 111, the second sensor unit 112 and the third sensor unit 113 are arranged along the first coaxial line A1, the second coaxial line A2 and the third coaxial line A3 , So that the movement of the user's other body parts can be detected.

In the present specification, a plurality of sensor units 110 are disposed on a lower body of a user, but the present invention is also applicable to other body parts of a user. For example, the plurality of sensor units 110 may be disposed in a user's arm.

FIG. 3 is a flowchart showing an information processing step of the information processing unit 120 shown in FIG.

Referring to FIG. 3, the information processing unit 120 receives the sensing signals generated from the plurality of sensor units 110, and generates motion information by three-dimensionally analyzing the movement of the user. As described above, since the plurality of sensor units 110 include at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor, each of the detection signals may include a slope signal, an acceleration signal, and a geomagnetic signal. The information processing unit 120 may receive the inclination, acceleration, and geomagnetic information of the user included in the sensing signals (S10). Through this information, the information processing unit 120 can analyze the movement of the body part of the user having the first sensor unit 111 and the second sensor unit 112 three-dimensionally (S12).

The information processing unit 120 may compare the sensed signals and generate motion information of a joint region of a user located in a central region of different body regions (S14). At this time, the motion information may include at least angle information of the joint of the user.

The communication unit 130 may transmit the motion information of the information processing unit 120 to an external server or a user terminal. The communication unit 130 may be a wired communication or a wireless communication. In case of wireless communication, the communication unit 130 may include Bluetooth, a Zigbee, and a wireless LAN. The motion analyzing apparatus 100 provides the user's motion information to the server or the user terminal through the communication unit 130 so that the motion analyzing apparatus 100 can store data related to the movement of the user and use the motion data as big data or directly confirm the user.

In another embodiment, the motion analyzing apparatus 100 may further include at least one of the single sensor unit 140 and the pressure sensor unit 150.

The single sensor unit 140 may be attached to a user's body to generate a fourth sensing signal, and the motion analyzing apparatus 100 may include one or more single sensor units 140. The single sensor unit 140 may be attached to, for example, a user's pelvis to sense a user's pelvis movement. The single sensor unit 140 may include at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor.

The pressure sensor unit 150 is disposed on the soles of the user and can generate a pressure signal by sensing the pressure of the user. The pressure sensor unit 150 may be disposed in the sole 1 of the user's shoe to improve the portability of the motion analyzer 100. The pressure sensor unit 150 can sense the repulsive force of the user on the ground when the user is standing or walking. The pressure sensor unit 150 may generate a pressure signal including a pressure value of each of the feet and a time at which the pressure is sensed. One or more pressure sensor units 150 may be disposed on the sole of each shoe.

At this time, the information processing unit 120 receives the fourth sensing signal and the pressure signal and compares the fourth sensing signal and the pressure signal together with the sensing signals generated from the sensor units 110, thereby analyzing the three-dimensional movement of the user.

As described above, the motion analyzing apparatus 100 according to an embodiment of the present invention is configured to detect motion information on the joint bones through a pair of sensing units spaced apart from each other on both sides of the user's bones, It is possible to analyze motion information between a plurality of bones. Therefore, the motion analyzing apparatus 100 according to an embodiment of the present invention can more accurately analyze the motion of the human body as compared with the conventional motion analyzing apparatus for analyzing the motion through the sensors disposed in the joints.

FIG. 4 is a block diagram showing an operation analyzing apparatus 200 according to another embodiment of the present invention. FIG. 5 is a diagram showing an example of an operation analyzing apparatus 200 shown in FIG. 4, And FIG. 6 is a flowchart showing an information processing step of the information processing unit 220 shown in FIG.

4 and 5, the operation analyzing apparatus 200 according to another embodiment of the present invention includes a first sensor unit 211, a second sensor unit 212, a third sensor unit 213, A communication unit 230, a single sensor unit 240, a pressure sensor unit 250, and an alarm unit 260. The sensor unit 220, the communication unit 230, the single sensor unit 240,

The first sensor unit 211 includes a pair of first sensing units 10-1 and 10-2 that are spaced apart from each other along the first coaxial line A1 and are attached to the user's body, Lt; / RTI > The second sensor unit 212 includes a pair of second sensing units 20-1 and 20-2 that are disposed apart from each other along the second coaxial line A2 and are attached to the user's body, Lt; / RTI > The third sensor unit 213 includes a pair of third sensing units 30-1 and 30-2 which are disposed apart from each other along the third coaxial line A3 and are attached to the user's body, Lt; / RTI >

The single sensor unit 240 may be attached to the user's body to generate a fourth sense signal. The pressure sensor unit 250 is disposed on the soles of the user and can generate a pressure signal by sensing pressure of the user. The operation analyzing apparatus 200 according to another embodiment of the present invention is the same as the components of the operation analyzing apparatus 100 according to an embodiment except for the information processing unit 220 and the alarm unit 260 , And redundant description will be omitted.

Referring to FIG. 6, the information processing unit 220 receives the first to fourth sensing signals and the pressure signal, and three-dimensionally analyzes the motion of the user to generate motion information (S20). Meanwhile, the information processing unit 220 can store normal operation information in advance (S19). The normal operation information may be information on a normal operation of the human body. In another embodiment, the normal motion information may be information generated by analyzing the user's optimal motion, since the motion standard may be different for each person. The information processing unit 220 may compare the analyzed motion information of the user with the normal operation information (S26) and may further generate the operation comparison information (S28). At this time, the communication unit 230 may transmit motion comparison information to the outside together with the motion information generated from the information processing unit 220. [ Meanwhile, the information processing unit 220 may further generate a warning signal when the motion information and the normal operation information are different (S27).

The alarm unit 260 operates when an alert signal generated from the information processing unit 220 is input, thereby notifying the user that the operation is not correct. The alarm unit 260 may include at least one of an alarm, an alarm, and an electric stimulator. When the alarm unit 260 includes an electric stimulator, the electric stimulator may be attached to the user's skin, and if the operation is not correct, the electric stimulus may be applied to the skin of the user. The electrical stimulator may apply an electrical stimulus of a strength that allows the user to recognize that the motion is incorrect. The alarm unit 260 may include a plurality of electric stimulators and may be disposed at each body part of the user. For example, the first alarm section 261 may be attached to the skin of the thigh of the user, the second alarm section 262 may be attached to the skin of the user's lower leg, and the third alarm section 263 may be attached to the wearer's foot Of the skin.

At this time, the information processing unit 220 may analyze each of the movements of each body part through the first to third sensor units 211, 212, and 213, and may generate an alert signal by comparing the movements with normal operation information. The alarm unit 260 receives the warning signal and applies an electric stimulus to a corresponding part in which the user's motion is incorrect, so that the user can recognize which part of the operation is incorrect.

As described above, the operation analyzing apparatus 200 according to another embodiment of the present invention generates motion comparison information by comparing motion information with normal motion information, and generates an alarm signal when the motion information is different from the normal motion information Thus, the user can correct the erroneous operation and walk through the correct operation.

The embodiments of the present invention described above can be embodied in the form of a computer program that can be executed on various components on a computer, and the computer program can be recorded on a computer-readable medium. At this time, the medium may be a magnetic medium such as a hard disk, a floppy disk and a magnetic tape, an optical recording medium such as CD-ROM and DVD, a magneto-optical medium such as a floptical disk, , A RAM, a flash memory, and the like, which are specifically configured to store and execute program instructions. Further, the medium may include an intangible medium implemented in a form that can be transmitted over a network, and may be a medium in a form that is implemented in, for example, a software or an application, and can be transmitted and distributed through a network.

Meanwhile, the computer program may be designed and configured specifically for the present invention or may be used by those skilled in the computer software field. Examples of computer programs may include machine language code such as those produced by a compiler, as well as high-level language code that may be executed by a computer using an interpreter or the like.

The specific acts described in the present invention are, by way of example, not intended to limit the scope of the invention in any way. For brevity of description, descriptions of conventional electronic configurations, control systems, software, and other functional aspects of such systems may be omitted. Also, the connections or connecting members of the lines between the components shown in the figures are illustrative of functional connections and / or physical or circuit connections, which may be replaced or additionally provided by a variety of functional connections, physical Connection, or circuit connections. Also, unless explicitly mentioned, such as "essential "," importantly ", etc., it may not be a necessary component for application of the present invention.

Accordingly, the spirit of the present invention should not be construed as being limited to the above-described embodiments, and all ranges that are equivalent to or equivalent to the claims of the present invention as well as the claims .

100: motion analysis device
111, 112, 113: first to third sensor units
120: Information processor
130:
140: Single sensor unit
150: Pressure sensor unit
260:

Claims (22)

A plurality of sensor units having a pair of sensing units arranged to be spaced apart from each other along a coaxial axis and attached to a user's body to generate a sensing signal;
An information processing unit for receiving the plurality of detection signals generated from the plurality of sensor units and three-dimensionally analyzing the motion of the user to generate motion information; And
And a communication unit for transmitting the motion information of the information processing unit to the outside,
Wherein the plurality of sensor portions are disposed along different coaxial axes. The method according to claim 1,
The plurality of sensor units may include:
A first sensor unit having a pair of first sensing units disposed to be spaced apart from each other along a first coaxial line, the first sensor unit being attached to a user's body to generate a first sensing signal;
A second sensor unit having a pair of second sensing units spaced apart from each other along a second coaxial line, the second sensor unit being attached to the user's body to generate a second sensing signal; And
And a third sensor unit having a pair of third sensing units spaced apart from each other along a third coaxial line and being attached to the user's body to generate a third sensing signal. 3. The method of claim 2,
Wherein the first sensor unit is attached to the thigh of the user,
The second sensor unit is attached to the lower leg of the user,
And the third sensor unit is attached to a foot of the user. 3. The method of claim 2,
Wherein each of the first sensing unit, the second sensing unit, and the third sensing unit includes at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor. The method according to claim 1,
And one or more single sensor portions attached to the body of the user to generate a fourth sense signal. 6. The method of claim 5,
Wherein the single sensor unit includes at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor. 6. The method of claim 5,
Wherein the single sensor portion is attached to the pelvis of the user. The method according to claim 1,
And a pressure sensor unit disposed at the soles of the user for sensing a pressure of the user and generating a pressure signal. The method according to claim 1,
Wherein the information processing unit stores normal operation information and further generates operation comparison information by comparing the motion information of the analyzed user with the normal operation information. 10. The method of claim 9,
Wherein the information processing unit further generates a warning signal when the motion information is different from the normal operation information,
Wherein the operation analyzing apparatus further comprises an alarm unit operative when the warning signal is input. Generating a sensing signal of a user's body by a plurality of sensor units attached to a user's body, the sensing unit including a pair of sensing units spaced apart from each other along a coaxial line; And
And generating motion information by three-dimensionally analyzing the motion of the user by receiving a plurality of detection signals generated from the plurality of sensor units by the information processing unit. 12. The method of claim 11,
And transmitting the motion information of the information processing unit to the outside by the communication unit. 12. The method of claim 11,
The step of generating a sensing signal of the user's body comprises:
Generating a first sensing signal of a user's body by a first sensor unit having a pair of first sensing units spaced apart from each other along a first axis and attached to a user's body;
Generating a second sensing signal of the user's body by a second sensor unit having a pair of second sensing units spaced apart from each other along a second coaxial axis and attached to the user's body; And
And generating a third sensing signal of the user's body by a third sensor unit attached to the user's body, the third sensor unit having a pair of third sensing units spaced apart from each other along the third coaxial axis, Motion analysis method. 14. The method of claim 13,
Wherein the first sensor unit is attached to the thigh of the user,
The second sensor unit is attached to the lower leg of the user,
And the third sensor unit is attached to a foot of the user. 14. The method of claim 13,
Wherein each of the first sensing unit, the second sensing unit and the third sensing unit comprises at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor. 12. The method of claim 11,
Further comprising the step of generating a fourth sensing signal by being attached to the body of the user by a single sensor unit. 17. The method of claim 16,
Wherein the single sensor unit comprises at least one of a geomagnetic sensor, a gyro sensor, and an acceleration sensor. 17. The method of claim 16,
Wherein the single sensor portion is attached to the pelvis of the user. 12. The method of claim 11,
Further comprising the steps of: generating a pressure signal by sensing a pressure of the user, the pressure sensor being disposed at a soles of the user by a pressure sensor unit. 12. The method of claim 11,
Further comprising: comparing the motion information of the analyzed user with the normal motion information to generate motion comparison information, wherein the normal motion information is stored by the information processing unit. 21. The method of claim 20,
Generating an alert signal by the information processing unit when the motion information is different from the normal operation information; And
And informing the user that the operation is not correct by an alert unit operating when the warning signal is input. A computer program stored on a medium for executing a method according to any one of claims 11 to 21 using a computer.

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