| Summary: | 碩士 === 國立臺北科技大學 === 機電整合研究所 === 96 === This research collects the literatures of patents worldwidely, to distinguish the wheelchair armrest by way of the foldable degree of freedom, adjustable degree of freedom, usable degree of freedom respectively, and become aware of the most of wheelchair interface system (armrest) which the usable degree of freedom approximately zero, its not a function of spread or swung, making the patient that takes on the wheelchair for a long time cause the burden of its hand, its unable to alleviate the pressure that its hand forms. In view of this, this research will design one kind of the open-loop wheelchair armrest, its assembled in the wheelchair of all kinds, can do the appropriate regulation, let users have more comfortable wheelchairs auxiliary apparatus.
The design of the open-loop wheelchair armrest and the close-loop wheelchair armrest, by the motion synthesis of mechanism, to find out the spatial six-bar linkage for open-loop wheelchair armrest mechanism and the three kinds of planar four-bar linkage for close-loop wheelchair armrest mechanism, and then utilize the dimension synthesis, motion simulation, interfere check, static structure analysis, to check whether its in the safe range. Finally, prototyping and testing of the wheelchair armrest, in order to understand whether theory and practice are identical, verify its design''s practicability each other.
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