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Method and apparatus for monitoring motion of a body
Method and apparatus for monitoring motion of a body
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机译:监视身体运动的方法和设备
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摘要
A method and apparatus for monitoring motion of a rigid body, such as a head, in which a plurality of reference sensors are attached to a calibration structure, such as a helmet, and a plurality of body-mountable sensors are adapted for mounting on the rigid body. Once mounted, the positions and orientations of the body-mountable sensors may be unknown. In operation, a processing unit receives signals from the reference sensors and the body-mountable sensors and determines calibration parameters for the body-mountable sensors. The calibration parameters depend upon the sensitivity of the body-mountable sensors to linear, rotational and centripetal motions. These sensitivities, in turn, are dependent upon the positions and orientations of the body-mountable sensors. Body motion is determined from the body-mountable sensors using the calibration parameters.
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