期刊
MEDICAL ENGINEERING & PHYSICS
卷 34, 期 10, 页码 1448-1453出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.medengphy.2012.02.003
关键词
Compliance; Gait rehabilitation; Treadmill training; Pneumatic muscle actuators; Robotic orthosis
资金
- Faculty Research Development Fund from the Faculty of Engineering, The University of Auckland, New Zealand
- Auckland Medical Research Foundation [1111014]
A new intrinsically compliant robotic orthosis powered by pneumatic muscle actuators (PMA) was developed for treadmill training of neurologically impaired subjects. The robotic orthosis has hip and knee sagittal plane rotations actuated by antagonistic configuration of PMA. The orthosis has passive mechanisms to allow vertical and lateral translations of the trunk and a passive hip abduction/adduction joint. A foot lifter having a passive spring mechanism was used to ensure sufficient foot clearance during swing phase. A trajectory tracking controller was implemented to evaluate the performance of the robotic orthosis on a healthy subject. The results show that the robotic orthosis is able to perform the treadmill training task by providing sufficient torques to achieve physiological gait patterns and a realistic stepping experience. The orthosis is a new addition to the rapidly advancing field of robotic orthoses for treadmill training. (C) 2012 IPEM. Published by Elsevier Ltd. All rights reserved.
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