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SINGLE/MULTIPLE AXES SIX DEGREES OF FREEDOM (6 DOF) INERTIAL MOTION CAPTURE SYSTEM WITH INITIAL ORIENTATION DETERMINATION CAPABILITY
SINGLE/MULTIPLE AXES SIX DEGREES OF FREEDOM (6 DOF) INERTIAL MOTION CAPTURE SYSTEM WITH INITIAL ORIENTATION DETERMINATION CAPABILITY
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机译:具有初始方向确定能力的单轴/多轴六自由度(6自由度)惯性运动捕捉系统
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摘要
A highly miniaturized electronic data acquisition system includes MEMS sensors that can be embedded onto moving device without affecting the static/dynamic motion characteristics of the device. The basic inertial magnetic motion capture (IMMCAP) module consists of a 3D printed circuit board having MEMS sensors configured to provide a tri-axial accelerometer; a tri-axial gyroscope, and a tri-axial magnetometer all in communication with analog to digital converters to convert the analog motion data to digital data for determining classic inertial measurement and change in spatial orientation (rho, theta, phi) and linear translation (x, y, z) relative to a fixed external coordinate system as well as the initial spatial orientation relative to the know relationship of the earth magnetic and gravitational fields. The data stream from the IMMCAP modules will allow the reconstruction of the time series of the 6 degrees of freedom for each rigid axis associated with each independent IMMCAP module.
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