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Bimanual gliding control for indoor power wheelchair driving

Bimanual gliding control for indoor power wheelchair driving. Yang-Hua Lin, PhD; Chung-Hsien Kuo, PhD; How-Hing Ng, MS; Wen-Yu Liu, PhD; Hen-Yu Lien, PhD. Aim Investigate effectiveness of bimanual gliding (BG) and conventional joystick (CJ) control, with application to:

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Bimanual gliding control for indoor power wheelchair driving

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  1. Bimanual gliding control for indoor power wheelchair driving Yang-Hua Lin, PhD; Chung-Hsien Kuo, PhD; How-Hing Ng, MS; Wen-Yu Liu, PhD; Hen-Yu Lien, PhD

  2. Aim • Investigate effectiveness of bimanual gliding (BG) and conventional joystick (CJ) control, with application to: • Wheelchair driving performance. • Upper-limb muscle activity. • Relevance • Power wheelchairs are essential for many individuals with mobility impairment. • Some power wheelchair users cannot adequately operate CJ because of dexterity and strength impairments.

  3. Method • 22 participants: • 11 experienced manual wheelchair users. • 11 novice manual wheelchair users. • Participants performed driving task indoors using either CJ or BG. • Performance measures: • Task practice time. • Time to completion. • Driving deviation.

  4. Results • Experienced wheelchair users who used BG strategy: • Needed less time to practice and complete task. • Upper-limb muscle activity focused on triceps brachii, with relatively less use of wrist muscles while applying BG strategy. • Novice wheelchair users: • Wrist muscles were less involved when using BG control than CJ control.

  5. Conclusion • It is feasible to modify manual wheelchairs using BG and motors. • Can serve as alternative option for wheelchair users.

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