Improvement of Ride Quality of a Wheelchair When it Passes over Small Steps | Zendy

Masaru HIGUCHI | Zendy; Tomonori Shinagawa | Zendy; Hirohiko Ito | Zendy; Yukio Takeda | Zendy; Koichi Sugimoto | Zendy

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Improvement of Ride Quality of a Wheelchair When it Passes over Small Steps

Author(s) -

Masaru HIGUCHI,

Tomonori Shinagawa,

Hirohiko Ito,

Yukio Takeda,

Koichi Sugimoto

Publication year - 2007

Publication title -

journal of robotics and mechatronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 19

eISSN - 1883-8049

pISSN - 0915-3942

DOI - 10.20965/jrm.2007.p0181

Subject(s) - wheelchair , manual wheelchair , computer science , simulation , suspension (topology) , ride quality , quality (philosophy) , automotive engineering , engineering , world wide web , philosophy , mathematics , epistemology , homotopy , pure mathematics

Wheelchairs, although the most widely used moving welfare implements, expose users to whole-body vibration and discomfort when it passes over obstacles such as steps and Braille blocks. To increase the comfort of wheelchair users, it is necessary to improve wheelchair ride quality. In this paper, we discuss dynamic characteristics of the human-wheelchair system, a ride-quality index of a wheelchair when it passes over small steps, and suspension design improving wheelchair ride quality. To simulate the dynamic characteristics of the human-wheelchair system, a model of human-wheelchair system that included a model of contact between the wheel and the terrain is proposed, and results of simulations and experiments are compared and discussed.

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