Scientific Analysis of Skilled Motion Using Three-dimensional Coordinates and Tait-Bryan Angles
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概要
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This paper describes the characteristics of motion performed with a high or low period by skilled subjects using three-dimensional coordinates and Tait-Bryan angles (yaw, pitch, roll). Different types of motion (filing a surface of iron workpiece or turning a nut) were analyzed and measurements were taken at different points on the human body. Despite these differences, it was found that humans skilled in a particular motion performed highly repetitive motion with same period (4.2Hz) in some axes and rotational angles. Furthermore, as cross-correlation analysis showed, a human even more skilled in a particular work performed a low-repetition motions with high similarity in some axes of three-dimensional coordinates. However, these motions did not show high similarity for Tait-Bryan angles due to the rotational angle of some motions having different patterns. We will continue to study skilled motion more to increase the reliability of proposed characteristics of motion using developed apparatus.
- 2010-08-15