EXERCISE SUPPORT DEVICE, EXERCISE SUPPORT METHOD AND EXERCISE SUPPORT PROGRAM

• US 20160367853A1
• Filed: 06/20/2016
• Published: 12/22/2016
• Est. Priority Date: 06/22/2015
• Status: Active Grant

• Current Assignee: Casio Computer Company Limited
• Original Assignee: Casio Computer Company Limited
• Inventors: HIROHAMA, Masayuki, YAMAMOTO, Ryohei, NAKAJIMA, Mitsuyasu
• Granted Patent: US 10,694,980 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 2503/10 Athletes
• CPC Class Codes: A61B 5/1112 Global tracking of patients, e.g. by using GPS
• CPC Class Codes: A61B 5/112 Gait analysis
• CPC Class Codes: A61B 5/6831 Straps, bands or harnesses
• CPC Class Codes: A61B 5/6838 Clamps or clips
• CPC Class Codes: G01S 19/19 Sporting applications
• CPC Class Codes: G06F 2218/00 Aspects of pattern recognition specially adapted for signal processing
• CPC Class Codes: G06V 40/23 Recognition of whole body movements, e.g. for sport training

Abstract

An exercise support device and an exercise support method are provided by which a judgment regarding the landing of the left and right feet of a user can be accurately made with low power consumption, so that the user can appropriately grasp and judge the balance of the use of the body in an exercise. First, based on changes in acceleration in a vertical direction with respect to the ground which has been acquired by a sensor section worn on the body during a running exercise, landing timing at which one of the left and right feet is landed is detected. Then, based on whether a difference between angular velocities around a traveling direction axis immediately after the latest landing timing and the preceding landing timing has a positive or negative value, whether the landed foot is the left foot or the right foot is judged.

Claims

1. An exercise support device comprising:

at least one processor; and

a memory storing instructions that, when executed by the at least one processor, control the at least one processor to;

make a determination, by using a first component of sensor data acquired at certain timing that is determined based on landing timing at which one of a left foot and a right foot of a user is landed, whether a foot landed at the landing timing is the left foot of the user or the right foot of the user, the landing timing being determined by the sensor data, the sensor data being detected by a sensor that detects a motion status of the body of the user when the user travels, and outputs, as part of the sensor data corresponding to the motion status, angular velocity data of a rotating motion around a traveling direction of the user taken as a Y-axis;

wherein the instructions further control the at least one processor to;

make the determination by using at least the angular velocity data on the Y-axis outputted from the sensor as the first component of the sensor data.

2. The exercise support device according to claim 1, wherein the sensor further outputs, as other part of the sensor data, acceleration data on an X-axis orthogonal to the traveling direction and horizontal to ground, acceleration data on the Y-axis, acceleration data on a Z-axis orthogonal to the traveling direction and perpendicular to the ground, and angular velocity data on the Z-axis,

wherein the instructions further control the at least one processor to:

determine the landing timing by using, as a second component of the sensor data, the acceleration data on the Z-axis or the acceleration data on the Y-axis; and

make the determination by using, as the first component of the sensor data, one of the angular velocity data on the Z-axis and the acceleration data on the X-axis.

3. The exercise support device according to claim 1, wherein the sensor further outputs, as other part of the sensor data, acceleration data on an X-axis orthogonal to the traveling direction and horizontal to ground, acceleration data on the Y-axis, acceleration data on a Z-axis orthogonal to the traveling direction and perpendicular to the ground, and angular velocity data on the Z-axis,

wherein the instructions further control the at least one processor to:

determine the landing timing by using, as a second component of the sensor data, the acceleration data on the Z-axis or the acceleration data on the Y-axis;

make the determination individually by using, as the first component of the sensor data, the angular velocity data on the Z-axis and the acceleration data on the X-axis respectively; and

further make the determination based on comparison between the number of determinations that the landed foot is the right foot of the user and the number of determinations that the landed foot is the left foot of the user.

4. The exercise support device according to claim 1, wherein the sensor further outputs, as other part of the sensor data, acceleration data on an X-axis orthogonal to the traveling direction and horizontal to ground, acceleration data on the Y-axis, acceleration data on a Z-axis orthogonal to the traveling direction and perpendicular to the ground, and angular velocity data on the Z-axis,

wherein the instructions further control the at least one processor to:

determine the landing timing by using, as a second component of the sensor data, the acceleration data on the Z-axis or the acceleration data on the Y-axis;

make the determination individually by using, as the first component of the sensor data, the angular velocity data on the Z-axis and the acceleration data on the X-axis respectively; and

further make the determination based on a plurality of likelihoods of a plurality of results of the determination regarding the foot landed.

5. The exercise support device according to claim 1,

wherein the instructions further control the at least one processor to:

intermittently make the determination; and

set the sensor in a disabled state except when controlling the at least one processor to make the determination.

6. The exercise support device according to claim 1, wherein the instructions further control the at least one processor to:

display an index in a certain format on a display, the index regarding the motion status of the body of the user obtained based on at least one result of the determination regarding the foot landed.

8. The exercise support device according to claim 1, further comprising:

the sensor that outputs the sensor data corresponding to the motion status; and

a display that displays an index in a certain format on a display, the index regarding the motion status of the body of the user obtained based on at least one result of the determination regarding the foot landed.

7. The exercise support device according to claim 7, wherein the instructions further control the at least one processor to:

display the index in different formats on the display in accordance with a plurality of likelihoods of a plurality of results of the determination regarding the foot landed.

9. An exercise support method comprising:

making a determination, by using a first component of sensor data acquired at certain timing that is determined based on landing timing at which one of a left foot and a right foot of a user is landed, whether a foot landed at the landing timing is the left foot of the user or the right foot of the user, the landing timing being determined by the sensor data, the sensor data being detected by a sensor that detects a motion status of the body of the user when the user travels, and outputs, as part of the sensor data corresponding to the motion status, angular velocity data of a rotating motion around a traveling direction of the user taken as a Y-axis;

wherein the method further comprising;

making the determination by using at least the angular velocity data on the Y-axis outputted from the sensor as the first component of the sensor data.

10. The exercise support method according to claim 9, wherein the sensor further outputs, as other part of the sensor data, acceleration data on an X-axis orthogonal to the traveling direction and horizontal to ground, acceleration data on the Y-axis, acceleration data on a Z-axis orthogonal to the traveling direction and perpendicular to the ground, and angular velocity data on the Z-axis, the method further comprising:

determining the landing timing by using, as a second component of the sensor data, the acceleration data on the Z-axis or the acceleration data on the Y-axis; and

making the determination by using, as the first component of the sensor data, one of the angular velocity data on the Z-axis and the acceleration data on the X-axis.

11. The exercise support method according to claim 9, wherein the sensor further outputs, as other part of the sensor data, acceleration data on an X-axis orthogonal to the traveling direction and horizontal to ground, acceleration data on the Y-axis, acceleration data on a Z-axis orthogonal to the traveling direction and perpendicular to the ground, and angular velocity data on the Z-axis, the method further comprising:

determining the landing timing by using, as a second component of the sensor data, the acceleration data on the Z-axis or the acceleration data on the Y-axis; and

making the determination by using, as the first component of the sensor data, one of the angular velocity data on the Z-axis and the acceleration data on the X-axis.

12. The exercise support method according to claim 9, wherein the sensor further outputs, as other part of the sensor data, acceleration data on an X-axis orthogonal to the traveling direction and horizontal to ground, acceleration data on the Y-axis, acceleration data on a Z-axis orthogonal to the traveling direction and perpendicular to the ground, and angular velocity data on the Z-axis, the method further comprising:

determining the landing timing by using, as a second component of the sensor data, the acceleration data on the Z-axis or the acceleration data on the Y-axis;

making the determination individually by using, as the first component of the sensor data, the angular velocity data on the Z-axis and the acceleration data on the X-axis respectively; and

further making the determination based on comparison between the number of determinations that the landed foot is the right foot of the user and the number of determinations that the landed foot is the left foot of the user.

13. A non-transitory computer-readable storage medium storing instructions which, when executed by at least one processor, control the processor to:

make a determination, by using a first component of sensor data acquired at certain timing that is determined based on landing timing at which one of a left foot and a right foot of a user is landed, whether a foot landed at the landing timing is the left foot of the user or the right foot of the user, the landing timing being determined by the sensor data, the sensor data being detected by a sensor that detects a motion status of the body of the user when the user travels, and outputs, as part of the sensor data corresponding to the motion status, angular velocity data of a rotating motion around a traveling direction of the user taken as a Y-axis;

wherein the instructions further control the at least one processor to;

make the determination by using at least the angular velocity data on the Y-axis outputted from the sensor as the first component of the sensor data.

14. The non-transitory computer-readable storage medium according to claim 13, wherein the sensor further outputs, as other part of the sensor data, acceleration data on an X-axis orthogonal to the traveling direction and horizontal to ground, acceleration data on the Y-axis, acceleration data on a Z-axis orthogonal to the traveling direction and perpendicular to the ground, and angular velocity data on the Z-axis, the instructions further control the at least one processor to:

determine the landing timing by using, as a second component of the sensor data, the acceleration data on the Z-axis or the acceleration data on the Y-axis; and

make the determination by using, as the first component of the sensor data, one of the angular velocity data on the Z-axis and the acceleration data on the X-axis.

15. The non-transitory computer-readable storage medium according to claim 13, wherein the sensor further outputs, as other part of the sensor data, acceleration data on an X-axis orthogonal to the traveling direction and horizontal to ground, acceleration data on the Y-axis, acceleration data on a Z-axis orthogonal to the traveling direction and perpendicular to the ground, and angular velocity data on the Z-axis, the instructions further control the at least one processor to:

determine the landing timing by using, as a second component of the sensor data, the acceleration data on the Z-axis or the acceleration data on the Y-axis;

make the determination individually by using, as the first component of the sensor data, the angular velocity data on the Z-axis and the acceleration data on the X-axis respectively; and

further make the determination based on comparison between the number of determinations that the landed foot is the right foot of the user and the number of determinations that the landed foot is the left foot of the user.

16. The non-transitory computer-readable storage medium according to claim 13, wherein the sensor further outputs, as other part of the sensor data, acceleration data on an X-axis orthogonal to the traveling direction and horizontal to ground, acceleration data on the Y-axis, acceleration data on a Z-axis orthogonal to the traveling direction and perpendicular to the ground, and angular velocity data on the Z-axis, the instructions further control the at least one processor to:

determine the landing timing by using, as a second component of the sensor data, the acceleration data on the Z-axis or the acceleration data on the Y-axis;

make the determination individually by using, as the first component of the sensor data, the angular velocity data on the Z-axis and the acceleration data on the X-axis respectively; and

further make the determination based on a plurality of likelihoods of a plurality of results of the determination regarding the foot landed.

17. An exercise support system comprising:

an exercise support device comprising;

at least one processor; and

a memory storing instructions that, when executed by the at least one processor, control the at least one processor to;

make a determination, by using a first component of sensor data acquired at certain timing that is determined based on landing timing at which one of a left foot and a right foot of a user is landed, whether a foot landed at the landing timing is the left foot of the user or the right foot of the user, the landing timing being determined by the sensor data, the sensor data being detected by a sensor that detects a motion status of the body of the user when the user travels, and outputs, as part of the sensor data corresponding to the motion status, angular velocity data of a rotating motion around a traveling direction of the user taken as a Y-axis;

wherein the instructions further control the at least one processor to;

make the determination by using at least the angular velocity data on the Y-axis outputted from the sensor as the first component of the sensor data.

18. The exercise support system according to claim 17, further comprising:

the sensor that outputs the sensor data corresponding to the motion status; and

a display that displays an index in a certain format on a display, the index regarding the motion status of the body of the user obtained based on at least one result of the determination regarding the foot landed.