KR101942264B1 - System and method for posture correcting - Google Patents

Abstract

The present invention relates to a posture correcting system and method, and more particularly, to a posture correcting system and method using inertial sensor interlocked with a portable terminal device to detect a false posture, correct a posture of a user, and prevent a musculoskeletal disease To a posture correction system and method.
According to an aspect of the present invention, there is provided a posture correction system including a signal measurement unit, a storage unit, a posture determination unit, a notification unit, and a communication unit.
The signal measuring unit includes a first inertial sensor attached to the back of the neck for measuring the angle of motion of the neck, a second inertial sensor attached to the waist to measure the motion angle of the waist, And a third inertial sensor for measuring the inertial force.
In addition, the storage unit may store reference posture information measured using the first inertial sensor, the second inertial sensor, and the third inertial sensor at a predetermined posture of a predetermined user, and the reference inertial information measured using the first inertial sensor, And the measurement information measured using the third inertial sensor can be stored.
Also, the posture determination unit may receive the measurement information of the first inertial sensor, the second inertial sensor, and the third inertial sensor in real time, compare the measured information with the reference posture information stored in the storage unit, analyze the comparison result, It is possible to inform the user of an alarm to calibrate the posture and to provide a preventive exercise related to a part of the body judged as an unstable posture.
The notification unit may be operated under the control of the posture determination unit to inform the user of the alarm based on the calibration information transmitted from the posture determination unit.
The communication unit may be operated under the control of the orientation determination unit to remotely transmit measurement information of the first inertial sensor, the second inertial sensor, and the third inertial sensor to the portable terminal.
INDUSTRIAL APPLICABILITY As described above, the posture correcting system and method according to the present invention enable precise posture measurement on neck, waist, and wrist.
In addition, when a wrong posture is determined, it is possible to prevent a disease of the musculoskeletal system by providing a preventive exercise and a stretching program corresponding to a human body part (neck, waist, wrist).

Description

{System and method for posture correcting}

The present invention relates to a posture correcting system and method, and more particularly, to a posture correcting system and method using inertial sensor interlocked with a portable terminal device to identify a false posture, correct a posture of a user, and prevent a musculoskeletal disease To a posture correction system and method.

As various media and computer equipment develop, the period of sitting and living in a chair is increasing. As a result, diseases such as discs and fissures are increasing due to posture defects when sitting in a chair, and in recent years, interest in health of the neck, spine, arm, pelvis, etc. causing these diseases is increasing.

In order to prevent a disease that may occur due to a wrong sitting posture, a posture correcting system for maintaining a proper posture is desperately required for a modern person who is staying in such a long time, and currently, such a posture correcting system has various forms and functions Has been proposed.

Korean Patent No. 1391912 discloses a posture correction system. The posted posture correction system includes a plurality of left and right tilting sensors paired horizontally and symmetrically to measure the distance to the user's body, one or more frontal tilting sensors for measuring the distance to the user's back, And a display for outputting a degree of posture imbalance indicating a degree of tilting of the user by using the sensed values of the left and right tilt sensors and the back and forth tilt sensors. The posture imbalance includes a sensed value sensed by the sensors and a difference And it is possible to immediately notify the user that the posture is unbalanced by detecting the posture imbalance.

However, in the past, only the measurement of the overall posture imbalance of the user has been performed, and thus there is a problem that it is not possible to measure a precise unsteady posture with respect to specific human body parts (neck, waist and wrist).

In addition, when the unclear posture is determined, the user is informed of the posture imbalance, and the user is not able to prevent the musculoskeletal diseases because no more active action is taken.

Korean Registered Patent No. 1391912 (Published on May 27, 2014)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a method for accurately measuring the posture of the neck, waist and wrist, have.

In addition, it is intended to not only notify the user of posture imbalance when the unclear posture is judged, but also to prevent disease of the musculoskeletal system through active coping.

According to an aspect of the present invention, there is provided a posture correction system including a signal measurement unit, a storage unit, a posture determination unit, a notification unit, and a communication unit.

The signal measuring unit includes a first inertial sensor attached to the back of the neck for measuring the angle of motion of the neck, a second inertial sensor attached to the waist to measure the motion angle of the waist, And a third inertial sensor for measuring the inertial force.

In addition, the storage unit may store reference posture information measured using the first inertial sensor, the second inertial sensor, and the third inertial sensor at a predetermined posture of a predetermined user, and the reference inertial information measured using the first inertial sensor, And the measurement information measured using the third inertial sensor can be stored.

Also, the posture determination unit may receive the measurement information of the first inertial sensor, the second inertial sensor, and the third inertial sensor in real time, compare the measured information with the reference posture information stored in the storage unit, analyze the comparison result, It is possible to inform the user of an alarm to calibrate the posture and to provide a preventive exercise related to a part of the body judged as an unstable posture.

The notification unit may be operated under the control of the posture determination unit to inform the user of the alarm based on the calibration information transmitted from the posture determination unit.

The communication unit may be operated under the control of the orientation determination unit to remotely transmit measurement information of the first inertial sensor, the second inertial sensor, and the third inertial sensor to the portable terminal.

INDUSTRIAL APPLICABILITY As described above, the posture correcting system and method according to the present invention enable precise posture measurement on neck, waist, and wrist.

In addition, when a wrong posture is determined, it is possible to prevent a disease of the musculoskeletal system by providing a preventive exercise and a stretching program corresponding to a human body part (neck, waist, wrist).

FIG. 1 is a configuration diagram showing a posture correcting system according to an embodiment of the present invention.
FIG. 2 is a configuration diagram showing a 9-axis inertial sensor (IMU) of a posture correcting system according to an embodiment of the present invention.
3 is a diagram illustrating an algorithm of a posture correction system according to an embodiment of the present invention.
4 is a view showing an application of a portable terminal device interlocked with a posture correction system according to an embodiment of the present invention.
5 is a flowchart showing a posture correcting method according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise. Also, the terms " part, "" ... "," module ", and the like described in the specification mean units for processing at least one function or operation, and may be implemented by hardware or software or a combination of hardware and software .

Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings.

Like reference symbols in the drawings denote like elements.

The present invention relates to a posture correcting system and method for collecting information related to a posture of a user in cooperation with a portable terminal, and correcting the posture of the user based on the collected information.

FIG. 1 is a configuration diagram showing a posture correcting system according to an embodiment of the present invention, and FIG. 2 is a configuration diagram showing a 9-axis inertial sensor (IMU) of a posture correcting system according to an embodiment of the present invention.

1, the posture correcting system according to the present invention may include a signal measuring unit 100, a storage unit 200, a posture determination unit 300, a notification unit 400, and a communication unit 500 .

The signal measuring unit 100 includes a first inertial sensor 110 attached to the back of the neck to measure a neck motion angle, a second inertial sensor 120 attached to the waist to measure a waist movement angle, And a third inertia sensor 130 for measuring the frequency and the moving distance of the mouse.

Here, the third inertial sensor 130 may be attached to the wrist to measure the angle of motion of the wrist.

The storage unit 200 stores the reference attitude information measured using the first inertial sensor 110, the second inertial sensor 120, and the third inertial sensor 130 in a predetermined attitude of a predetermined user, The first inertial sensor 110, the second inertial sensor 120, and the third inertial sensor 130 to measure the measurement information.

On the other hand, when the third inertial sensor 130 is not attached to the wrist but is built in the mouse, the reference attitude information of the third inertial sensor 130 is determined by previously setting the appropriate values for the frequency of use and the moving distance of the mouse .

The attitude determination unit 300 receives the measurement information of the first inertial sensor 110, the second inertial sensor 120 and the third inertial sensor 130 in real time, It is possible to provide an alarm to the user to correct the posture in the case where it is determined that the user is in the wrong posture and to provide the preventive exercise related to the part of the body judged to be in the wrong posture .

The notification unit 400 may operate under the control of the posture determination unit 200 and inform the user of the alarm based on the calibration information received from the posture determination unit 200.

The communication unit 500 is operated under the control of the attitude determination unit 200 to remotely measure measurement information of the first inertial sensor 110, the second inertial sensor 120, and the third inertial sensor 130, .

2, the first inertial sensor 110, the second inertial sensor 120, and the third inertial sensor 130 are nine-axis inertial sensors, each of which includes a gyro sensor, an acceleration sensor, And may include a geomagnetic sensor.

Here, the three axes are the rolls for detecting the rotation about the horizontal axis (X axis), the pitch for detecting the rotation about the fore and aft axis (Y axis), and the vertical axis Yaw that detects rotation.

5 is a flowchart showing a posture correcting method according to an embodiment of the present invention.

5, the posture correcting method according to the present invention includes attaching the first inertial sensor 110, the second inertial sensor 120, and the third inertial sensor 130 to the neck, waist, mouse, or wrist (S1); (S2) extracting reference posture information using the first inertial sensor 110, the second inertial sensor 120, and the third inertial sensor 130 in the user's right posture; (S3) of measuring the movement of the user's neck, waist and mouse or wrist in real time using the first inertial sensor 110, the second inertial sensor 120 and the third inertial sensor 130 have.

(S4) comparing the reference posture information with the measurement information measured in the step (S3); (S5) of analyzing the comparison result in the step (S4) and judging a wrong posture; (S6) of informing the user of an alarm when it is judged to be in the wrong posture in the step S5 and providing a preventive movement corresponding to the body part (neck, waist, wrist) judged to be in the wrong posture.

This will be described in detail as follows.

The present invention measures attitude information by using inertial sensors 110, 120, and 130, corrects an unstable posture by interlocking with the portable terminal device 10, and judges it to be in an incorrect posture to prevent musculoskeletal diseases caused by an unstable posture The present invention relates to a posture correction system and method for providing a preventive motion and a stretching program for a human body part.

1, the posture correcting system according to the present invention may include a signal measuring unit 100, a storage unit 200, a posture determination unit 300, a notification unit 400, and a communication unit 500 .

However, the storage unit 200, the posture determination unit 300, and the notification unit 400 may be implemented in the portable terminal device 10.

That is, by using the first inertial sensor 110, the second inertial sensor 120, and the third inertial sensor 130 in real time in the storage unit 200 installed in the portable terminal device 10, Can be stored.

Also, it is possible to compare the reference posture information with the measurement information using the posture determination unit 300 installed in the portable terminal device 10, and to determine the false posture.

FIG. 2 is a configuration diagram showing a 9-axis inertial sensor (IMU) of a posture correcting system according to an embodiment of the present invention.

As shown in FIG. 2, the 9-axis inertial sensor (IMU) 110, 120, and 130 may include a gyro sensor 111, an acceleration sensor 112, and a geomagnetic sensor 113.

Also, the gyro sensor 111 measures the rotational motion of the object, the acceleration sensor 112 measures the horizontal or vertical movement of the object, the geomagnetic sensor 113 detects the azimuth of the object, .

The gyro sensor 111, the acceleration sensor 112 and the geomagnetic sensor 113 can measure three axes of roll, pitch and yaw, respectively.

The roll senses rotation of the object with respect to a horizontal axis (X axis), a pitch senses rotation of the object with respect to a fore and aft axis (Y axis), and the yaw (Z-axis) of the object.

That is, the inertial sensors 110, 120, and 130 are provided for each of the gyro sensor 111, the acceleration sensor 112, and the geomagnetic sensor 113 in the order of Roll, Pitch, and Yaw. By measuring the axis, motion information for all 9 axes can be measured.

FIG. 3 is a view showing an algorithm of a posture correction system according to an embodiment of the present invention, and FIG. 4 is a diagram illustrating an application of a portable terminal device interlocked with a posture correction system according to an embodiment of the present invention.

As shown in FIGS. 3 to 4, the posture determiner 300 may use a triangular balance chart to compare the reference posture information with measurement information measured in real time.

4, the reference attitude information for the neck, waist, and mouse stored in the storage unit 200 is set as the reference vertex of the triangular balance, and the first inertia Measurement information measured by the sensor 110, the second inertial sensor 120, and the third inertial sensor 130 may be set to a triangular vertex corresponding to the reference vertex.

In addition, by analyzing the overall triangular angle of the measurement information by comparing with the reference vertex of the triangular balance chart, it is possible to grasp the entire unjust posture of the neck, waist, and wrist.

In addition, as shown in the right side of FIG. 4, it is possible to provide a preventive exercise corresponding to a part of the human body judged to be in the wrong posture by using the application of the portable terminal device 10.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And all changes to the scope that are deemed to be valid.

10: portable terminal device 100: signal measuring unit
110: First inertia sensor 111: Gyro sensor
112: acceleration sensor 113: earth sensor
120: second inertial sensor 130: third inertial sensor
200: storage unit 300: posture judging unit
400: notification unit 500: communication unit

Claims (6)

A posture correcting system for correcting a posture of a user in cooperation with a portable terminal,
A second inertial sensor attached to the back of the neck to measure the angle of movement of the neck, a second inertial sensor attached to the waist to measure the movement angle of the waist, and a third inertial sensor built in the mouse, A signal measuring unit including an inertial sensor;
The second inertial sensor, and the third inertial sensor in real-time in a correct posture of a predetermined user and the reference inertial information measured using the first inertial sensor, the second inertial sensor, and the third inertial sensor, A storage unit for storing measurement information measured by using the subject and preventive exercise information for preventing diseases of the neck, waist, and wrist;
The standard posture information is compared with the measurement information measured in real time using the triangular balance chart, and the result of the comparison is analyzed to determine the overall unjust posture of the user's neck, waist, and wrist. An attitude determination unit for informing an alarm to a user and providing preventive exercise information corresponding to a human body part judged to be in an incorrect attitude;
A notification unit operated according to the control of the posture determination unit to inform the user of an alarm based on the calibration information received from the posture determination unit; And
And a communication unit operated under the control of the posture determination unit to remotely transmit the measurement information to the portable terminal,
The first inertial sensor, the second inertial sensor, and the third inertial sensor
The motion information for nine axes is measured by measuring three axes of roll, pitch and yaw for each of a gyro sensor, an acceleration sensor and a geomagnetic sensor,
The triangular balance chart
The reference attitude information for the neck, waist and mouse stored in the storage unit is set as the reference vertex of the triangular balance, and the measured values are measured in real time in the first inertial sensor, the second inertial sensor, and the third inertial sensor Wherein the information is extracted by setting the information to a triangular vertex corresponding to the reference vertex.
delete The method according to claim 1,
The inertial sensor includes:
A gyro sensor for measuring the rotational motion of the object;
An acceleration sensor for measuring horizontal or vertical motion of the object; And
A geomagnetic sensor for sensing the azimuth of the object and measuring direction information; Including posture correction system.
The method of claim 3,
The gyro sensor, the acceleration sensor,
A roll sensing rotation about a horizontal axis (X axis);
A pitch detecting rotation about a fore-and-aft axis (Y axis); And
And a yaw for detecting a rotation about an up-and-down direction axis (Z-axis).
delete A posture correcting method for correcting a posture of a user in cooperation with a portable terminal device,
Attaching a first inertial sensor, a second inertial sensor, and a third inertial sensor to a user's neck, waist, and mouse or wrist;
Extracting reference posture information using the first inertial sensor, the second inertial sensor, and the third inertial sensor in a correct posture of the user;
Measuring movement of the neck, waist, and mouse or wrist in real time using the first inertial sensor, the second inertial sensor, and the third inertial sensor;
Comparing the reference attitude information with measurement information of the first inertial sensor, the second inertial sensor, and the third inertial sensor using a triangular balance chart;
Analyzing a result of the comparison to determine a total unjust posture of a user's neck, waist, and wrist;
And notifying the user of an alarm when the determination result indicates that the robot is in a wrong posture and providing preventive exercise information corresponding to a body part (neck, waist, wrist) determined to be in an incorrect posture,
The first inertial sensor, the second inertial sensor, and the third inertial sensor
The motion information for nine axes is measured by measuring three axes of roll, pitch and yaw for each of a gyro sensor, an acceleration sensor and a geomagnetic sensor,
The triangular balance chart
The reference attitude information for the neck, waist and mouse stored in the storage unit is set as the reference vertex of the triangular balance, and the measured values are measured in real time by the first inertial sensor, the second inertial sensor, and the third inertial sensor Information is extracted by setting the triangular vertex corresponding to the reference vertex.

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