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JRM Vol.22 No.3 pp. 380-390
doi: 10.20965/jrm.2010.p0380
(2010)

Paper:

Development of Closed-Fitting-Type Walking Assistance Device for Legs with Self-Contained Control System

Tadaaki Ikehara*1, Eiichirou Tanaka*2, Kazuteru Nagamura*3,
Takanobu Tamiya*1, Takurou Ushida*4, Kenichi Hashimoto*4,
Sho Kojima*4, Kiyotaka Ikejo*3, and Louis Yuge*3

*1Tokyo Metropolitan College of Industrial Technology

*2Shibaura Institute of Technology

*3Hiroshima University

*4Graduate School of Engineering, Shibaura Institute of Technology

Received:
October 12, 2009
Accepted:
March 31, 2010
Published:
June 20, 2010
Keywords:
walking assistance device, hybrid control system, flexible-shaft, worm gear, self-contained system
Abstract

A walking assistance device using a flexible shaft was developed. The combination of a flexible shaft with a worm gear was successfully adopted on this device to simplify its appearance and reduce its size. A hybridcontrol system on this device controls both torque and angle at the ankle and knee joints. In this system, the torsional spring constant of the flexible shaft is taken into account by the motor in controlling the power and angle of rotation of the motor. To expand the area in which a person may use the device, it is equipped with a self-contained system powered by a Lithium-ion battery and controlled by an SH-4 microcomputer and actuators, consisting of motors and gears, all of which are carried in a small backpack. Consequently, persons using the device may walk freely in both indoor and outdoor environments.

Cite this article as:
T. Ikehara, E. Tanaka, K. Nagamura, <. Tamiya, T. Ushida, K. Hashimoto, <. Kojima, K. Ikejo, and L. Yuge, “Development of Closed-Fitting-Type Walking Assistance Device for Legs with Self-Contained Control System,” J. Robot. Mechatron., Vol.22, No.3, pp. 380-390, 2010.
Data files:
References
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Last updated on Apr. 22, 2019