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Title: Design and control of a powered knee orthosis for gait assistance
Authors: Ma, Hao
Lai, Wai-Yin
Liao, Wei-Hsin
Fong, Daniel Tik-Pui
Chan, Kai-Ming
Keywords: Orthotics
Knee joint
Elderly people
Issue Date: 2013
Publisher: © IEEE
Citation: MA, H. ... et al., 2013. Design and control of a powered knee orthosis for gait assistance. IN: Proceedings of 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics: Mechatronics for Human Wellbeing, Wollongong, Australia, 9-12 July 2013, pp.816-821.
Abstract: A powered knee orthosis named Assistive Knee Brace (AKB) is designed for the elderly and patients with knee dysfunctions to gain external support at their knee joints during gait. Safety, light-weight and user-friendly interface are the emphasis of system design. In the assistive controller design, gait analysis method based on Finite State Machine is developed for gait pattern estimation, with state estimated through fuzzy inference. Based on the gait pattern estimated online, reference gait pattern is generated as assistive control input of the powered knee orthosis to adjust the wearer's abnormal motion with torque support to track the normal pattern. To verify the assistive function of AKB, gait experiments under control are conducted on healthy subjects simulating certain limited mobility. Results show that with proper assistive torque from the AKB, wearers can perform motions in good patterns.
Sponsor: This work is supported by the Start-up Support Scheme, Shenzhen Research Institute, The Chinese University of Hong Kong.
Version: Accepted for publication
DOI: 10.1109/AIM.2013.6584194
URI: https://dspace.lboro.ac.uk/2134/21196
Publisher Link: http://dx.doi.org/10.1109/AIM.2013.6584194
ISBN: 9781467353199
ISSN: 2159-6247
Appears in Collections:Conference Papers and Presentations (Sport, Exercise and Health Sciences)

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