J2320101 単一の慣性センサを用いた歩行分析

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書誌事項

タイトル別名
  • J2320101 Gait Analysis Using an Intertial Sensor

抄録

A compact gait analysis using one wearable inertial sensors is discussed. Because gait analysis using combination of a 3D camera system and force plate is very expensive and time consuming, a very simple and cheap gait analysis for personal use is proposed. An inertial sensor is mounted on the trunk of the subject and the ground reaction force and energy dissipation are estimated by using triaxial acceleration defined in the global coordinate. At first, the triaxial ground reaction force is estimated by using the triaxial acceleration of the center of gravity and the equivalent mass of the subject. Triaxial velocity of the center of gravity is estimated by integrating acceleration and suppressing the integration error by the proposed compensation method. Next, the dissipation power is estimated by multiplying the ground reaction force and the velocity. Finally, walking experiment is carried out and the validity of the proposed method is confirmed.

収録刊行物

  • 年次大会

    年次大会 2015 (0), _J2320101--_J2320101-, 2015

    一般社団法人 日本機械学会

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