KR20150109547A - Functional game system for balance training and quantitative evaluation - Google Patents

Abstract

The present invention provides a functional game system to quantitatively evaluate the balancing of patients or the elderly with less sense of balance and to train them for balancing. The functional game system comprises a motion guide module, a motion analysis module, and a game control module. The motion guide module comprises: a foothold to allow a user to step on; a motion platform joined to the bottom of the foothold to allow six-degree-freedom motions of the foothold; and a center-of-pressure (COP) measurement part to measure the movement of the COP of the user. The motion analysis module measures the motions of the upper and lower bodies of the user using a motion analysis camera and motion analysis software. The game control module provides game elements and comprises: a game program processing part wherein game software is installed to run a game linked with COP data transmitted from the COP measurement part and the motion analysis data transmitted from the motion analysis module; and a display part for displaying a game screen.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a functional game system for improving balance performance and quantitative evaluation,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a functional game system, and more particularly, to a functional game system for quantitatively evaluating a balance ability for an aged person or a patient whose balance ability is poor, and for improving a balance ability.

In the medical and rehabilitation centers, dynamic postural balance training and rehabilitation exercises using a rehabilitation training system are being performed for the elderly who are uncomfortable with the movement or hemiplegic patients who have problems in balance of the right and left muscles. A typical rehabilitation training system consists of a plurality of motion frames for inducing a user's motion and a monitor capable of monitoring his / her motion state information.

However, the existing rehabilitation training system is merely physical repetition training, and it is difficult to induce the interest of the subject to be treated, so that the treatment is not effective and there is a limit in continuous treatment. In addition, the existing rehabilitation training system does not show the patient 's balance ability as a quantified objective indicator and the training intensity according to the user' s balance ability is not systematically established.

The present invention aims to provide a functional game system for enhancing the balance ability and quantitative evaluation that can stimulate voluntary and continuous rehabilitation intention of a patient through a game method that induces a continuous interest, and increase a therapeutic effect.

The present invention also provides a functional game system for improving the balance ability and quantitative evaluation capable of representing a patient's balance ability as a quantitative index and providing patient-customized balance training.

A functional game system for improving balance performance and quantitative evaluation according to an embodiment of the present invention includes an operation induction module, an operation analysis module, and a game control module. The motion induction module includes a footplate on which the user is positioned, a motion platform that is coupled to a lower portion of the footplate to implement a six-degree-of-freedom motion of the footplate, and a motion sensor that measures movement of the user's pressure- COP) measurement unit. The motion analysis module includes a motion analysis camera and motion analysis software to measure the motion of the user's upper and lower limbs. The game control module includes a game program processing unit that incorporates game software and executes a game linked with the pressure distribution center data received from the seed measuring unit and the motion analysis data transmitted from the motion analysis module and a display unit displaying the game screen And provides a game element to the user.

The motion platform may be a six-axis motion platform composed of a plurality of independent driving cylinders arranged at equal intervals along the circumferential direction of the foot plate below the foot plate.

Each of the plurality of drive cylinders may include a cylinder body fixed to the bottom plate and a piston which is raised or lowered by pneumatic or hydraulic pressure, and the end of the piston may be coupled to the foot plate by a ball joint portion.

The seed measuring unit may include a plurality of load cells built in the motion platform and a circuit unit electrically connected to the plurality of load cells, and can measure the magnitude of the ground reaction force and the movement of the pressure distribution center in real time.

The motion analysis camera is an infrared camera, and the motion analysis software can recognize the motion pattern of the user by irradiating the infrared ray and detecting the time difference of reflected. On the other hand, the motion analysis camera is a 3D depth camera, and the motion analysis software extracts depth data from the image information of the 3D depth camera and extracts the user's joint position and movement direction Can be detected.

The game contents of the game program processing unit may be an augmented reality game in which a real environment and a virtual object are mixed. At the same time as the game progresses, the game program processing unit can output path information and operation performance accuracy information centered on the pressure distribution associated with the game, and the output information can be stored in the individual database.

The game control module may include a motion platform control unit. The motion platform control unit may output a control signal independent of the plurality of drive cylinders in cooperation with the game program processing unit.

The game control module may include an evaluation unit. The evaluating unit evaluates the precision of the motion accuracy and pressure distribution center of the user in cooperation with the game program processing unit, and can provide a feedback signal to the user depending on whether the user maintains a stable balance.

The functional game system for improving the balance ability and quantitative evaluation may further include a harness that can be worn on the upper body of the user and connected to the fixed frame to prevent the user from falling during the game. The harness may be provided with a feedback device including a vibrating element and at least one of an alarm buzzer and a speaker. The feedback signal of the evaluation unit may include at least one of a vibration signal using a vibration element and an audible signal using an alarm buzzer or a speaker.

A method of operating a functional game system for improving balance performance and quantitative evaluation according to an embodiment of the present invention includes moving a footrest on which a user is positioned by operating a six-axis motion platform, Measuring the movement of the upper and lower legs of the user using the motion analyzing module, measuring the motion of the upper and lower legs of the user using the motion analyzing module, To the game program processing unit, executing the game linked to the pressure distribution center information and the motion analysis information in the game program processing unit, and displaying the game screen on the display unit to provide the game element to the user.

The step of providing the game element may further include the step of outputting path information and operation performance accuracy information centered on the pressure distribution associated with the game while the game progresses and storing the output information in the individual database.

The step of providing the game element may further include the step of evaluating the accuracy of the user's motion accuracy and the center of the pressure distribution and providing a feedback signal to the user depending on whether the user maintains a stable balance.

According to the functional game system of the present embodiment, it is possible to increase the voluntary and continuous rehabilitation will of the patient through the augmented reality game, and the treatment effect can be enhanced through continuous training. In addition, the patient's balance ability can be expressed as a quantified index, and patient-tailored balance training can be provided through the patient's individual history stored in the database.

FIG. 1 is a schematic view showing the overall configuration of a functional game system according to an embodiment of the present invention.
FIG. 2 is a schematic perspective view of a foot plate and a motion platform of the motion induction module shown in FIG. 1. FIG.
3 is a schematic view of a foot plate and a ceeopi measuring unit of the motion induction module shown in Fig.
Fig. 4 is a configuration diagram of the functional game system shown in Fig. 1. Fig.
5 is a flowchart showing the game progress of the functional game system shown in Fig.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may be embodied in many different forms and is not limited to the embodiments described herein.

1 is a schematic diagram showing the overall configuration of a functional game system (hereinafter referred to as a "functional game system") for improving balance performance and quantitative evaluation according to an embodiment of the present invention.

Referring to FIG. 1, the functional game system 100 of the present embodiment includes an operation induction module 10 for moving a footrest 11 to guide a user's movement, an operation analysis module 10 for measuring a movement of a user's upper and lower limbs, And a game control module 30 that incorporates game software and provides a game element associated with a user's operation.

The motion induction module 10 includes a foot plate 11 on which a user is positioned, a motion platform 12 coupled to a lower portion of the foot plate 11 to implement six degrees of freedom motion of the foot plate 11, And a COP measuring unit 14 for measuring the movement of the pressure of the user's center of pressure (COP).

FIG. 2 is a schematic perspective view of a foot plate and a motion platform of the motion induction module shown in FIG. 1. FIG.

2, the motion platform 12 is composed of three or more drive cylinders 13 which are arranged at regular intervals along the circumferential direction of the foot plate 11 under the foot plate 11 and operate independently. Although FIG. 2 shows four drive cylinders 13, the number of drive cylinders 13 is not limited to the illustrated example.

Each of the drive cylinders 13 includes a cylinder body 131 fixed to a bottom plate (not shown) and a piston 132 moving up or down from the cylinder body 131 by pneumatic or hydraulic pressure. The end of the piston 132 can be coupled to the lower surface of the foot plate 11 by the ball joint portion 133. The ball joint portion 133 permits rotational degrees of freedom about three axes (x-axis, y-axis, and z-axis) and allows the footplate 11 to naturally tilt when the height difference of the piston 132 occurs.

The motion platform 12 of the above-described configuration implements six degrees of freedom motion of the foot plate 11 as a six-axis motion platform. Here, the six axes are the x-axis linear motion axis, the y-axis linear motion axis, the z-axis linear motion axis, the x-axis rotation axis ( (pitch axis) about the y axis, and a rotational axis (yaw axis) about the z axis, and the six degrees of freedom motion means the motion for each of the six axes described above.

The motion platform 12 moves the foot plate 11 by operating the plurality of drive cylinders 13 in various combinations according to the operation signal of the motion platform control section 33 provided in the game control module 30, ) Is performed for each of the six axes described above (six degrees of freedom motion).

3 is a schematic view of a foot plate and a ceeopi measuring unit of the motion induction module shown in Fig.

3, the seed measuring unit 14 may include a plurality of load cells 141 built in the motion platform 12 and a circuit unit 142 electrically connected to the plurality of load cells 141. The plurality of load cells 141 may be installed at the end of the piston 132 or at the ball joint portion 133. If the length of the internal conductor of the load cell 141 changes due to the force applied to the load cell 141, this leads to a change in the resistance of the conductor. The resistance change causes a signal amplified through the Wheatstone bridge built in the circuit unit 142 to be generated do.

The output signal of the circuit unit 142 is proportional to the magnitude of the pressing force of the foot plate 11. Therefore, by using the seed measuring unit 14 composed of the load cell 141 and the circuit unit 142, And the magnitude of the ground reaction force can be measured in real time. The pressure distribution center movement information of the user measured by the seed measuring unit 14 is transmitted to the game control module 30. [

Referring to FIG. 1, the motion analysis module 20 includes a motion analysis camera 21 and motion analysis software, and measures the motion of the user's upper and lower limbs. The motion analysis camera 21 may be an infrared camera or a three-dimensional depth camera.

In the case of an infrared camera, motion analysis software recognizes the user's motion pattern by irradiating infrared rays and detecting the reflected time of flight. In the case of the 3D depth camera, the motion analysis software extracts the depth data from the camera image information and detects the joint position and movement direction of the user through the whole body recognition and background removal process.

The action information of the user analyzed by the action analysis module 20 is transmitted to the game control module 30. [ The operation inducing module 10 and the operation analysis module 20 are connected to the game control module 30 in a wired or wireless manner. In case of wireless connection, a Bluetooth communication module or a wireless Internet communication module may be applied.

The functional game system 100 of the present embodiment may include a harness 40 for preventing a user from falling. The harness 40 is connected to the fixed frame 41 and can be formed into a vest shape or a three-point belt shape that can be worn on the user's upper body. The harness 40 may be provided with a feedback device 42 such as a vibration device, an alarm buzzer or a speaker, and a feedback signal such as a vibration sense angle or an auditory signal may be provided to the user depending on the suitability of the operation.

Fig. 4 is a configuration diagram of the functional game system shown in Fig. 1. Fig.

4, the game control module 30 is a computer-based device such as a general personal computer or a notebook computer. The game control module 30 includes a game program processing unit 31 and a display unit 32 connected thereto, a motion platform control unit 33, (34), and an evaluation unit (35).

The game program processing section 31 incorporates game software, and based on the user's pressure distribution center (COP) measurement data transmitted from the seed measurement section 13 and the motion capture data transmitted from the motion analysis module 20, Perform a game linked to data. The display unit 32 visualizes the output data of the game program processing unit 31 to provide a game element, and can display the data for treatment and the treatment history together.

The game content of the game program processing unit 31 may be an augmented reality game based on information obtained by mixing a real environment and a virtual object. That is, the pressure distribution center measurement data and the motion capture data are expressed in the augmented reality reflecting the real environment, and the user can be trained to adjust the balance while viewing the augmented reality screen displayed on the display unit 32. [

The motion platform control unit 33 independently operates the plurality of drive cylinders 13 according to the output signal of the game program processing unit 31 to move the foot plate 11. [ The motion platform 12 can implement various six-axis motions according to the difficulty of the game or the reaction of the user.

The game program processing unit 31 outputs path information and operation performance accuracy information at the center of the pressure distribution associated with the game at the same time as the game progresses, and the output information can be stored in the individual database 34. The operation performance accuracy information is index data obtained by quantifying the balance capability of the user according to preset items based on the pressure distribution center information and motion analysis results, and can be used to quantitatively evaluate and manage the balance capability for each user.

The evaluation unit 35 evaluates the accuracy of the user's motion accuracy and the center of the pressure distribution in cooperation with the game program processing unit 31 and calculates the accuracy of the user based on the movement distance and the variance of the measured pressure distribution, It is possible to provide an appropriate feedback signal to the user.

The feedback signal may be implemented via a feedback device 42 provided in the harness 40. For example, the feedback signal may be implemented by a vibration signal using a vibration element, an audible buzzer or an audible signal using a speaker.

5 is a flowchart showing the game progress of the functional game system shown in Fig.

5, when the motion analysis module 20 includes a three-dimensional stereoscopic camera, the motion analysis module 20 extracts depth data from the three-dimensional stereoscopic image information, Thereby detecting the joint position and movement direction. The motion capture data of the motion analysis module 20 is transmitted to the game program processing unit 31 of the game control module.

The seed measuring unit 13 measures the reaction force of the ground using a plurality of load cells and detects the range of the center of the pressure distribution and the center of the appropriate pressure distribution. The pressure distribution center measurement data of the seed measurement unit 13 is transmitted to the game program processing unit 31 of the game control module.

The game program processing unit loads the gesture and pressure distribution center library stored in the game software and recognizes the user's gesture and pressure distribution center from the data received from the motion analysis module 20 and the seed measurement unit 13, . The display unit 32 can display, along with the game screen, information related to a treatment history, a quantitative data analysis result, and a treatment direction.

According to the above-described functional game system 100 of the present embodiment, it is possible to increase the voluntary and continuous rehabilitation intention of the patient through the augmented reality game and to enhance the therapeutic effect through continuous training. In addition, the patient's balance ability can be expressed as a quantified index, and patient-tailored balance training can be provided through the patient's individual history stored in the database.

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, Of course.

100: Functional game system 10: Motion induction module
11: Footstep 12: Motion Platform
14: Pressure distribution center (COP) measuring section
20: motion analysis module 21: motion analysis camera
30: game control module 31: game program processor
32: Display section 33: Motion platform control section
40: Harness

Claims (15)

A motion platform coupled to a lower portion of the foot plate for realizing six degrees of freedom movement of the foot plate, and a COP measuring unit for measuring movement of the pressure distribution center of the user (COP) A motion induction module including;
An operation analysis module that includes a motion analysis camera and motion analysis software and measures movement of the user's upper and lower limbs; And
A game program processing unit which embeds game software and performs a game linked with pressure distribution center data received from the seed measuring unit and motion analysis data transmitted from the motion analysis module, and a display unit for displaying a game screen, A game control module
A functional game system for improving the balance ability and quantitative evaluation. The method according to claim 1,
Wherein the motion platform is a six-axis motion platform composed of a plurality of drive cylinders arranged at regular intervals along the circumferential direction of the foot plate below the foot plate and operating independently, for improving balance capability and quantitative evaluation. 3. The method of claim 2,
Wherein each of the plurality of drive cylinders includes a cylinder body fixed to a bottom plate and a piston which is raised or lowered by pneumatic or hydraulic pressure,
And the end portion of the piston is coupled to the foot plate by a ball joint portion. 3. The method of claim 2,
Wherein the ceeopi measuring unit includes a plurality of load cells built in the motion platform and a circuit unit electrically connected to the plurality of load cells, wherein the ceeopi measuring unit measures the magnitude of the ground reaction force and the movement of the pressure distribution center in real time, Functional game system for evaluation. The method according to claim 1,
Wherein the motion analysis camera is an infrared camera,
The motion analysis software is a functional game system for improving the balance ability and quantitatively evaluating the user's motion pattern by detecting the time difference reflected by the infrared ray. The method according to claim 1,
Wherein the motion analysis camera is a 3D depth camera,
The motion analysis software extracts depth data from the image information of the 3D depth camera, and detects the joint position and movement direction of the user through the whole body recognition and background removal process of the user, Game system. The method according to claim 1,
Wherein the game content of the game program processing unit is an augmented reality game in which an actual environment and a virtual object are mixed, and for improving the balance ability and quantitatively evaluating the game. 8. The method of claim 7,
The game program processing unit outputs path information and operation performance accuracy information of a pressure distribution center associated with the game while the game progresses, and the output information is stored in an individual database to improve balance capability and quantitative evaluation. 3. The method of claim 2,
Wherein the game control module includes a motion platform control unit,
Wherein the motion platform control unit is operable with the game program processing unit to output a control signal independent of the plurality of drive cylinders to improve the balance ability and quantitatively evaluate the balance ability. The method according to claim 1,
Wherein the game control module includes an evaluation unit,
The evaluation unit evaluates the precision of the motion accuracy and the pressure distribution center of the user in cooperation with the game program processing unit and evaluates the accuracy of the balance of the balance function and the functional game for quantitative evaluation system. 11. The method of claim 10,
Further comprising a harness that is wearable on the upper body of the user and is connected to the fixed frame to prevent a user from falling during a game,
Wherein the harness is provided with a feedback device including at least one of a vibration element, an alarm buzzer and a speaker, for enhancing balance capability and quantitative evaluation. 12. The method of claim 11,
Wherein the feedback signal of the evaluation unit includes at least one of a vibration signal using the vibration element and an auditory signal using the alarm buzzer or the speaker. Operating a six-axis motion platform to move the footrest on which the user is located;
Measuring the magnitude of the ground reaction force and the movement of the center of the pressure distribution using the seed measuring unit and transmitting the measured pressure distribution center information to the game program processing unit;
Measuring motion of the user's upper and lower limbs using the motion analysis module, and transmitting the measured motion analysis information to the game program processing unit; And
Executing the game linked with the pressure distribution center information and the motion analysis information in the game program processing unit and displaying a game screen on the display unit to provide a game element to the user
A method for operating a functional game system for improving the balance ability and quantitative evaluation. 14. The method of claim 13,
Wherein providing the game element comprises:
Outputting path information and operation performance accuracy information at the center of the pressure distribution associated with the game at the same time as the game progresses, and storing the output information in the individual database, the performance game system for improving the balance ability and quantitative evaluation Way. 14. The method of claim 13,
Wherein providing the game element comprises:
And evaluating the accuracy of the user's motion accuracy and pressure distribution center and providing a feedback signal to the user depending on whether the user maintains a stable balance or not.

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