Lever Four-Bar Mechanism For All-Terrain Wheelchair

Zainuddin, Nurul Hazwani (2019) Lever Four-Bar Mechanism For All-Terrain Wheelchair. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

Text (24 Pages) Lever Four-Bar Mechanism For All-Terrain Wheelchair.pdf - Submitted Version Download (497kB)

Abstract

Four-bar mechanism is a simplest movable mechanism which is closed chain linkage mechanism. Even since centuries, this mechanism is widely used because of the movement and also the performance of the linkages. Thus, this linkage is presume to be fits as a moving mechanism in a leverage wheelchair. In market, there already has a chain mechanism leverage wheelchair which also has been commercialize due to time being. However, due to the living cost that has been rapidly increase lately has forced someone who are having disability cannot afford it. According to statistics by World Health Organization, 2011; most of disabilities people are come from the rural area. And the only way to them to make connection in community, to get education, and also to work is by using wheelchair. This study are aims to design a moving mechanism to use in all-terrain wheelchair by using a lever four-bar structure. The paper will calculate the performance of wheelchair in term of velocity and acceleration. There are two method used to get a result which is theoretical analysis by referring to machine and mechanics book written by Myzska and also by using SolidWorks

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