ANFIS-based sensor fusion system of sit-to-stand for elderly people assistive device protocols

Omar Salah*, Ahmed A. Ramadan, Salvatore Sessa, Ahmed Abo Ismail, Makasatsu Fujie, Atsuo Takanishi

*この研究の対応する著者

研究成果査読

27 被引用数 (Scopus)

抄録

This paper describes the analysis and design of an assistive device for elderly people under development at the Egypt-Japan University of Science and Technology (E-JUST) named E-JUST assistive device (EJAD). Several experiments were carried out using a motion capture system (VICON) and inertial sensors to identify the human posture during the sit-to-stand motion. The EJAD uses only two inertial measurement units (IMUs) fused through an adaptive neuro-fuzzy inference systems (ANFIS) algorithm to imitate the real motion of the caregiver. The EJAD consists of two main parts, a robot arm and an active walker. The robot arm is a 2-degree-of-freedom (2-DOF) planar manipulator. In addition, a back support with a passive joint is used to support the patient's back. The IMUs on the leg and trunk of the patient are used to compensate for and adapt to the EJAD system motion depending on the obtained patient posture. The ANFIS algorithm is used to train the fuzzy system that converts the IMUs signals to the right posture of the patient. A control scheme is proposed to control the system motion based on practical measurements taken from the experiments. A computer simulation showed a relatively good performance of the EJAD in assisting the patient.

本文言語English
ページ(範囲)405-413
ページ数9
ジャーナルInternational Journal of Automation and Computing
10
5
DOI
出版ステータスPublished - 2013 10

ASJC Scopus subject areas

  • 制御およびシステム工学
  • モデリングとシミュレーション
  • コンピュータ サイエンスの応用
  • 応用数学

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