Motion control of an omni-directional walker for walking support

Renpeng Tan*, Shuoyu Wang, Yinlai Jiang, Kenji Ishida, Masakatsu G. Fujie

*この研究の対応する著者

研究成果: Chapter

7 被引用数 (Scopus)

抄録

With the increase in the percentage of the population defined as elderly, increasing numbers of people suffer from walking disabilities due to illness or accidents. An omni-directional walker (ODW) has been developed that can support people with walking disabilities and allow them to perform indoor walking. The ODW can identify the user's directional intention based on the user's forearm pressures and then supports movement in the intended direction. In this chapter, a reference trajectory is generated based on the intended direction in order to support directed movement. The ODW needs to follow the generated path. However, path tracking errors occur because the center of gravity (COG) of the system shifts and the load changes due to user`s pressure. An adaptive control method is proposed to deal with this issue. The results of simulations indicate that the ODW can accurately follow the user's intended direction by inhibiting the influence of COG shifts and the resulting load change. The proposed scheme is feasible for supporting indoor movement.

本文言語English
ホスト出版物のタイトルAssistive Technologies: Concepts, Methodologies, Tools, and Applications
出版社IGI Global
ページ614-622
ページ数9
ISBN(印刷版)9781466644243, 9781466644236
DOI
出版ステータスPublished - 2013 8 31
外部発表はい

ASJC Scopus subject areas

  • コンピュータ サイエンス(全般)
  • 社会科学(全般)
  • 工学(全般)

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