Design and Control of a Powered Knee Orthosis for Gait Assistance
Refereed conference paper presented and published in conference proceedings


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AbstractA 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.
All Author(s) ListMa H, Lai WY, Liao WH, Fong DTP, Chan KM
Name of ConferenceIEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM) - Mechatronics for Human Wellbeing
Start Date of Conference09/07/2013
End Date of Conference12/07/2013
Place of ConferenceWollongong
Country/Region of ConferenceAustralia
Detailed descriptionorganized by IEEE/ASME,
Year2013
Month1
Day1
PublisherIEEE
Pages816 - 821
eISBN978-1-4673-5320-5
ISSN2159-6255
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesEngineering; Engineering, Electrical & Electronic; Robotics

Last updated on 2020-20-11 at 01:06