A wheelchair with omni-directional wheel isintroduced in this article. Two kinds of omni-directionalwheel, Mecanum wheel and Trans wheel, are illustrated andtheir motion principles were analyzed. Virtual RealityModeling Language (VRML) is adopted to implement thereal-time customization and motion simulation. In the realtimecustomization process, the color of some parts of thewheelchair can be altered, and the shape of components canalso be replaced via the customization panel. By using thismethods, the omni-directional movements such as longitudinal,lateral and rotary motion can be emulated via thesimulation panel. In this way, clients can participate in thedesign and get a wheelchair according to their individualrequirements, which will give them a deeper and moreimpressive feeling about the wheelchair’s special motionfunctions.
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