Abstract
Wheelchairs with posture change functions are required by clinicians to assist activities of daily living for handicapped people. In this paper, the mechanism of a wheelchair with self-actuated seating functions was designed and its degree of freedom was introduced. Link length was determined based on ergonomics and anthropometry to meet national standards. Kinematics simulation was carried out in MATLAB to investigate the working characteristics of the wheelchair and prove the feasibility of the scheme. Humanized design was explored which was based on ergonomics to satisfy the safety, comfort and efficiency.
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