Development of Electrohydraulic Controlled Above-Knee Prostheses

P. J. Tsai, M. S. Ju, Y. G. Tsuei

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

In this study, a four-bar linkage above-knee (AK) prosthesis with an electrohydraulic controller was developed. A microcomputer was employed to regulate the puppet valve of the hydraulic control system. To obtain a reliable design, a test rig was also designed for evaluation of the knee controller performance. The rig had a variablespeed alternate-current servomotor for simulating the angular displacement of the hip joint at different walking speeds. A proportional+derivative (PD) controller was employed to regulate the knee torque of the above-knee prosthesis. Experimental results revealed that the controller can produce a knee joint trajectory close to that of a normal person or a designed one. Use of the electrohydraulic controller can be expected to improve the amputee swing phase gait.

原文English
頁(從 - 到)347-352
頁數6
期刊jsme international journal. ser. c, dynamics, control, robotics, design and manufacturing
36
發行號3
DOIs
出版狀態Published - 1993 2月 1

All Science Journal Classification (ASJC) codes

  • 工程 (全部)

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