Equilibrium state analyzing apparatus, equilbrium state analysis method, program and recording medium
First Claim
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1. An equilibrium state analyzing apparatus comprising:
- acceleration information detecting means, attached to a trunk of a human body, of detecting at least one linear accelerations generated within the horizontal plane by time sampling of the linear acceleration in a measuring period;
motion information storing means of storing said detected accelerations; and
equilibrium state analyzing means of analyzing the equilibrium state of the human body by integrating said stored acceleration information, wherein the equilibrium state analyzing means calculates and outputs an average velocity during the measuring period by integration of the time-sampled acceleration.
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Abstract
An equilibrium state analyzing apparatus, equilibrium state analysis method, program thereof and recording medium are provided that place few constraints on the degree of freedom in the area of motion or posture of the examinee. An equilibrium state analyzing apparatus includes acceleration information detector, attached to the trunk of the human body, of detecting accelerations generated in at least one direction within the horizontal plane, motion information storing device of storing the detected accelerations, and equilibrium state analyzer of analyzing the equilibrium state of the human body using the stored acceleration information.
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Citations
17 Claims
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1. An equilibrium state analyzing apparatus comprising:
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acceleration information detecting means, attached to a trunk of a human body, of detecting at least one linear accelerations generated within the horizontal plane by time sampling of the linear acceleration in a measuring period; motion information storing means of storing said detected accelerations; and equilibrium state analyzing means of analyzing the equilibrium state of the human body by integrating said stored acceleration information, wherein the equilibrium state analyzing means calculates and outputs an average velocity during the measuring period by integration of the time-sampled acceleration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An equilibrium state analyzing apparatus comprising:
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acceleration information detecting means, attached to the trunk of the human body, of detecting accelerations generated in at least one direction within the horizontal plane; motion information storing means of storing said detected accelerations; and equilibrium state analyzing means of analyzing the equilibrium state of the human body by integrating said stored acceleration information, wherein said acceleration information detecting means detects accelerations generated in the x- and y-directions which cross each other at right angles within the horizontal plane, and said equilibrium state analyzing means calculates and outputs velocities by integrating the acceleration generated in said x-direction and the acceleration generated in said y-direction, respectively, said velocity (Vt) being determined from the expression;
where Axt is the acceleration in said x-direction, Ayt is the acceleration in said y-direction (t is a sampling timing, t=0, 1, 2 . . . P/I, P is a measuring time and I is a sampling interval) and said equilibrium state analyzing means calculates and outputs an average velocity over the measuring time P from said calculated velocity (Vt). - View Dependent Claims (11)
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12. An equilibrium state analyzing apparatus comprising:
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acceleration information detecting means, attached to the trunk of the human body, of detecting accelerations generated in at least one direction within the horizontal plane; motion information storing means of storing said detected accelerations; and equilibrium state analyzing means of analyzing the equilibrium state of the human body by integrating said stored acceleration information, wherein said acceleration information detecting means detects accelerations generated in the x- and y-directions which cross each other at right angles within the horizontal plane, and said equilibrium state analyzing means calculates and outputs velocities by integrating the acceleration generated in said x-direction and the acceleration generated in said y-direction, respectively, the equilibrium state analyzing apparatus further comprising individual information setting means of setting individual-specific IDs and information controlling means of controlling the output from the equilibrium state analyzing means corresponding to each ID, wherein the output from the equilibrium state analyzing means corresponding to each ID is provided as an index.
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13. An equilibrium state analyzing apparatus comprising:
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acceleration information detecting means, attached to the trunk of the human body, of detecting accelerations generated in at least one direction within the horizontal plane;
motion information storing means of storing said detected accelerations; andequilibrium state analyzing means of analyzing the equilibrium state of the human body by integrating said stored acceleration information, wherein the acceleration information detecting means detects accelerations generated in the x- and y-directions which cross each other at right angles within the horizontal plane, the equilibrium state analyzing means calculates and outputs displacement in the center of gravity of the human body by integrating the acceleration generated in the x-direction and the acceleration generated in the y-direction twice respectively. - View Dependent Claims (14, 15, 16)
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17. An equilibrium state analysis method comprising, an acceleration information detecting step of detecting at least one linear acceleration within the horizontal plane by acceleration information detecting means mounted to a trunk of a body, a motion information storing step of storing the detected acceleration and an equilibrium state analyzing step of analyzing the equilibrium state of the human body by integrating the stored acceleration information, wherein the acceleration information detecting step includes time sampling, in a measuring period, the detected linear acceleration and the equilibrium state analyzing step includes calculating and outputting an average velocity over the measuring period by integrating the time-sampled acceleration.
Specification