PHYSICAL-FITNESS TEST SYSTEM USING ACCELERATION SENSOR

• US 20150039261A1
• Filed: 01/10/2013
• Published: 02/05/2015
• Est. Priority Date: 02/17/2012
• Status: Active Grant

• Current Assignee: Industry-Academic Cooperation Foundation Yonsei University
• Original Assignee: Industry Academic Cooperation Foundation
• Inventors: Kim, Youngho, Ha, Bora
• Granted Patent: US 10,004,971 B2
• Time in Patent Office: Days
• US Class Current: 702/141
• CPC Class Codes: A63B 71/06 Indicating or scoring devices for games or players , or for other sports activities
• CPC Class Codes: G01P 15/00 Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
• CPC Class Codes: G16H 20/30 relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
• CPC Class Codes: G16H 40/67 for remote operation

Abstract

The present invention relates to a fitness testing system using an acceleration sensor, of which a mobile device containing an acceleration sensor is attached to the body of the test subject and the test subject is induced to perform an exercise according to the fitness test instructions provided through the fitness testing process installed in a personal computer during which the acceleration signals are measured through RF communication for an output of the fitness test and assessment results. For this purpose, the present invention embodies a fitness measurement system consisting of an acceleration sensor device with a 3-axis acceleration sensor that is attached to the test subject to detect the 3-axis acceleration signals produced according to the test subject'"'"'s movement and transmits the signals through RF communication; and an assessment and analysis unit that receives 3-axis acceleration signals from the acceleration sensor device through a host gateway and detects the maximum acceleration from the 3-axis acceleration signals received as the exercise intensity; wherein the execution processing unit of the assessment and analysis unit, in case the test items is “balance”, receives the x-axis acceleration signals, which are related to the left and right movement of the test subject, and z-axis acceleration signals, which are related to the forward and backward movement, via the host gateway and detects the trajectory according to the input x- and z-axis acceleration signals and the maximum acceleration value according to the forward, backward, left and right movements.

Claims

1. A fitness measurement system, wherein an acceleration sensor device has a 3-axis acceleration sensor, measures the 3-axis acceleration signals according to the movements of the test subject on whom the acceleration sensor device is attached, and transmits the signals through RF communication;

an assessment and analysis unit receives the 3-axis acceleration signals via a host gateway, and detects the maximum acceleration from the 3-axis acceleration signals as intensity of the exercise;

the acceleration sensor device comprising;

a belt holder, having an shape, and being located on the top and bottom parts at both left and right sides of the acceleration sensor device, provided that the ends are facing each other;

a belt insertion unit, having grooves that traverse the middle part of the front face of the acceleration sensor device, so as to be inserted the belt; and

a belt, inserted from a belt holder on one side, passed through the belt insertion unit, pulled out from the belt holder on the other side, and wrapped around the waist of test subject.

5. The fitness testing system according to claim 1,

wherein a belt insertion unit has a groove, in which there is a DIP switch unit, and an RF channel selector, which can arbitrarily set the identification number of an acceleration sensor device for RF communication purposes by adjusting the DIP switches inside the DIP switch unit, is included.

6. The fitness testing system according to claim 1,

wherein the said host gateway receives 3-axis acceleration signals through RF communication from the acceleration sensor device and transmits it to the assessment and analysis unit through an Ethernet interface unit.

8. The fitness testing system according to claim 1,

wherein the execution processing unit of the assessment and analysis unit,

in case of balance test, receives the x-axis acceleration signals, which are related to the left and right movement of the test subject and z-axis acceleration signals, which are related to the forward and backward movement of the test subject, via a host gateway, and measures the trajectory according to the x-axis acceleration signals and z-axis acceleration signals, and detectives each maximum acceleration value according to the forward, backward, left and right movements of the test subject;

in case of a jumping test, receives the y-axis acceleration signals, which are related to the up and down movements of the test subject, via a host gateway, and detectives the maximum acceleration signal among the y-axis acceleration signals, and measures the jumping duration and the jumping height;

in case of a spot running test, detects the maximum acceleration among the y-axis acceleration signals, and the repetition count of the spot running; and

in case of a push-up test, detects the maximum acceleration among the y-axis acceleration signals, and the repetition count of the push-ups.

9. The fitness testing system according to claim 1,

wherein the execution processing unit of the assessment and analysis unit outputs the images on the monitor to provide guidance in sequence for the test items including the balance test, the jumping test, the spot running test, and the push-ups test, receives the 3-axis acceleration signals from the acceleration sensor device attached to the test subject, detects the maximum acceleration and repetition count as the test results, and saves the test results in the database according to the test subject and the test item.

10. The fitness testing system according to claim 1,

wherein the execution processing unit of the assessment and analysis unit saves the ID, name, gender and birthdate of each test subject before the test.

2. A fitness measurement system, wherein an acceleration sensor device has a 3-axis acceleration sensor, measures the 3-axis acceleration signals according to the movements of the test subject on whom the acceleration sensor device is attached, and transmits the signals through RF communication;

an assessment and analysis unit, containing an execution processing unit that receives the 3-axis acceleration signals via a host gateway and detects the maximum acceleration as intensity of the exercise from the 3-axis acceleration;

further comprising;

the execution processing unit of the assessment and analysis unit, in case the test items is “

balance”

, receiving the x-axis acceleration signals, which are related to the left and right movement of the test subject and z-axis acceleration signals, which are related to the forward and backward movement of the test subject, via a host gateway, and measuring the trajectory according to the x-axis acceleration signals and z-axis acceleration signals, and detecting the maximum acceleration of each of the forward, backward, left and right movements of the test subject.

7. The fitness testing system according to claim 2,

wherein the execution processing unit of the assessment and analysis unit detects the maximum acceleration among the y-axis acceleration signals and the repetition count of the spot running, in case of spot running test, the maximum acceleration among the y-axis acceleration signals, and the repetition count of the push-ups, in case of push-up test.

14. The fitness testing system according to claim 7,

wherein the execution processing unit of the assessment and analysis unit, in case of a spot running test, detects the time point at which the value of the y-axis acceleration signal exceeds the spot running start threshold value as the spot running start time of one foot, and detects the time point at which the value of the y-axis acceleration signal falls below the spot jumping end threshold value after the spot running start time of one foot, as the spot running end time of one foot,

detects the next time point at which the value of the y-axis acceleration signal exceeds the spot running start threshold value as the spot running start time of the other foot, and detects the time point at which the value of the y-axis acceleration signal falls below the spot running end threshold value after the spot running start time of the other foot as the spot running end time of the other foot,

and counts as one repetition when the spot running start time of one foot and the spot running end time of the other foot are detected.

15. The fitness testing system according to claim 7,

wherein the execution processing unit of the assessment and analysis unit, in case of a push-up test, detects the time point at which the value of the y-axis acceleration signal falls below the push-up start threshold value as the push-up start time and the time point at which the value of the y-axis acceleration signal exceeds the push-up end threshold value after the push-up start time as the push-up end time, and counts as one repetition when the push-up start time and the push-up end time are detected.

16. The fitness testing system according to claim 2,

wherein the said host gateway receives 3-axis acceleration signals through RF communication from the acceleration sensor device and transmits it to the assessment and analysis unit through an Ethernet interface unit.

21. The fitness testing system according to claim 2,

wherein the execution processing unit of the assessment and analysis unit saves the ID, name, gender and birthdate of each test subject before the test.

3. A fitness measurement system, wherein an acceleration sensor device has a 3-axis acceleration sensor, measures the 3-axis acceleration signals according to the movements of the test subject on whom the acceleration sensor device is attached, and transmits the signals through RF communication;

and an assessment and analysis unit, containing an execution processing unit that receives the 3-axis acceleration signals via a host gateway and detects the maximum acceleration as intensity of the exercise from the 3-axis acceleration;

further comprising;

the execution processing unit of the assessment and analysis unit, in case the test items is “

jumping”

, receiving the y-axis acceleration signals, which are related to the up and down movements of the test subject, via a host gateway, and detecting the maximum acceleration signal among the y-axis acceleration signals, and measuring the jumping duration and the jumping height.

12. The fitness testing system according to claim 3,

wherein the execution processing unit of the assessment and analysis unit, in case of the jumping test, detects the time point at which the value of the y-axis acceleration signal exceeds the jumping start threshold value as the jumping start time, the time point at which the value of the y-axis acceleration signal falls below the jumping end threshold value after the jumping start time as the jumping end time, and the time between the jumping start time and the jumping end time as the jumping duration.

13. The fitness testing system according to claim 12,

wherein the execution processing unit of the assessment and analysis unit, in case of a jumping test, detects the acceleration value in the middle point between the jumping start time and the jumping end time, as mid-point acceleration value,

and determines the jumping height by subtracting the jumping start time from the jumping end time, dividing the subtracted result value by 2, squaring the divided result value, and multiplying the squared result value by the mid-point acceleration value.

17. The fitness testing system according to claim 3,

wherein the said host gateway receives 3-axis acceleration signals through RF communication from the acceleration sensor device and transmits it to the assessment and analysis unit through an Ethernet interface unit.

19. The fitness testing system according to claim 3,

wherein the execution processing unit of the assessment and analysis unit detects the maximum acceleration among the y-axis acceleration signals and the repetition count of the spot running, in case of spot running test, the maximum acceleration among the y-axis acceleration signals, and the repetition count of the push-ups, in case of push-up test.

22. The fitness testing system according to claim 3,

wherein the execution processing unit of the assessment and analysis unit saves the ID, name, gender and birthdate of each test subject before the test.

4. A fitness measurement system, wherein an acceleration sensor device has a 3-axis acceleration sensor, measures the 3-axis acceleration signals according to the movements of the test subject on whom the acceleration sensor device is attached, and transmits the signals through RF communication;

an assessment and analysis unit, containing an execution processing unit that receives the 3-axis acceleration signals via a host gateway and detects the maximum acceleration as intensity of the exercise from the 3-axis acceleration; and

an execution processing unit of the assessment and analysis unit comprising;

a fitness and physical balance assessment unit, outputting the images on the monitor to provide guidance for the selected test item among “

balance”

, “

jumping”

, “

spot running”

, and “

push-ups”

, receiving the 3-axis acceleration signals from the acceleration sensor device attached to the test subject, detecting the maximum acceleration and repetition count as the test results, and saving the test results in the database according to the test subject and the test item; and

a measurement result analysis and management unit, reading the assessment results of the selected test item from the database, and outputting the analysis results including the rankings of the test subjects.

11. The fitness testing system according to claim 4,

wherein the execution processing unit of the assessment and analysis unit outputs the results of each test item based on a comparison with the results of other test subjects.

18. The fitness testing system according to claim 4,

wherein the said host gateway receives 3-axis acceleration signals through RF communication from the acceleration sensor device and transmits it to the assessment and analysis unit through an Ethernet interface unit.

20. The fitness testing system according to claim 4,

wherein the execution processing unit of the assessment and analysis unit,

in case of balance test, receives the x-axis acceleration signals, which are related to the left and right movement of the test subject and z-axis acceleration signals, which are related to the forward and backward movement of the test subject, via a host gateway, and measures the trajectory according to the x-axis acceleration signals and z-axis acceleration signals, and detectives each maximum acceleration value according to the forward, backward, left and right movements of the test subject;

in case of a jumping test, receives the y-axis acceleration signals, which are related to the up and down movements of the test subject, via a host gateway, and detectives the maximum acceleration signal among the y-axis acceleration signals, and measures the jumping duration and the jumping height;

in case of a spot running test, detects the maximum acceleration among the y-axis acceleration signals, and the repetition count of the spot running; and

in case of a push-up test, detects the maximum acceleration among the y-axis acceleration signals, and the repetition count of the push-ups.

23. The fitness testing system according to claim 4,

wherein the execution processing unit of the assessment and analysis unit saves the ID, name, gender and birthdate of each test subject before the test.