S1601-2-2 随意傾斜運動を利用した立位姿勢制御特性の時変推定(生物医学工学における計測と制御(2),社会変革を技術で廻す機械工学)

概要

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The purpose of this study is to find out the evaluation parameters that illustrate the human postural control ability while standing and to investigate the reliability of the proposed parameters using intra-class correlation coefficient. One-link inverted pendulum model is applied to the human body, and time variant PD gain and pole of the postural control system are estimated applying constant trace method. Eleven subjects are asked to stand still, incline forward as far and quickly as possible, and return to the original posture in sagittal plane with subjects' eyes-opened, eyes-closed, and one-legged to simulate unstable condition of standing posture. The experimental results show that five distinguishable parameters are obtained: one from the proportional gain, two from the differential gain, and two from the fluctuation of real part of pole. Moreover the reliability of the estimated parameters is assured by the experiments performed six times.
一般社団法人日本機械学会の論文
2010-09-04