Abstract
An omni-directional walker (ODW) is being developed for both walking rehabilitation and walking support for people with walking disabilities. The ODW cannot accurately follow a training path planned by a physical therapist for walking rehabilitation due to the center-of-gravity shifts and load changes caused by users. To address this issue, a new center-dynamic model of the ODW is derived considering center-of-gravity shifts and load changes. An adaptive control method is shown. Comparison with a dual-loop proportional-integral (PI) controller in simulations shows that the proposed method improves the path tracking accuracy.
Original language | English |
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Title of host publication | 2011 IEEE International Conference on Mechatronics and Automation, ICMA 2011 |
Pages | 325-330 |
Number of pages | 6 |
DOIs | |
Publication status | Published - 2011 |
Event | 2011 IEEE International Conference on Mechatronics and Automation, ICMA 2011 - Beijing Duration: 2011 Aug 7 → 2011 Aug 10 |
Other
Other | 2011 IEEE International Conference on Mechatronics and Automation, ICMA 2011 |
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City | Beijing |
Period | 11/8/7 → 11/8/10 |
Keywords
- Dual-loop PI controller
- dynamic model
- Omni-directional walker
ASJC Scopus subject areas
- Artificial Intelligence
- Electrical and Electronic Engineering
- Mechanical Engineering