Development and Modelling of a Novel Wheelchair with Staircase Climbing Ability

Abstract

This paper presents a modified form of the wheelchair with an ability of stair-climbing to help people who are unable to climb stairs or have problems in mobility independently, i.e., old people, people with physically discouraged or paralysed. The wheelchair consists of a frame, chair seat, suspensions, clustered triple-wheel, and a type of linear actuator (leadscrew). The special newly designed wheelchair with specific mechanisms helps the user to climb and descend the stairs, to move in the organized and unorganized environment, and to overcome the curbs and uneven terrains more efficiently and comfortably. This wheelchair has a compact and lightweight structure and will remain stable throughout the whole ride path.