MOTION STUDY OF A WHEELCHAIR PROTOTYPE FOR DISABLED PEOPLE
Journal: ANNALS OF THE UNIVERSITY of ORADEA Fascicle of Management and Technological Engineering (Vol.24, No. 1)Publication Date: 2015-o5-31
Authors : Ionut Daniel GEONEA; Nicolae DUMITRU; Alexandru MARGINE;
Page : 91-96
Keywords : Wheelchair; kinematics; prototype; motion study.;
Abstract
In this paper is presented the design and an experimental prototype of a wheelchair for disabled people. Design solution proposed to be implemented uses two reduction gears motors and a mechanical transmission with chains. The motion controller developed uses PWM technology (pulse wave modulation). The wheelchair has the ability of forward ? backward motion and steering. The design solution is developed in Solid Works, and it’s implemented in a wheelchair prototype model. Wheelchair design and motion makes him suitable especially for indoor use. It is made a study of the wheelchair kinematics, first using a kinematic simulation in Adams. Are presented the wheelchair motion trajectory and kinematics parameters. The experimental prototype is tested with a motion analysis system based on ultra high-speed video recording. The obtained results from simulation and experimentally tests, demonstrate the efficiency of wheelchair proposed solution.
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