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This paper presents analysis and experiments of a 4WD omnidirectional wheelchair for climbing a high step. For enhancing the mobility and maneuverability of standard wheelchairs, a new type of omnidirectional mobile platform with four-wheel drive (4WD) mechanism is introduced. The mobile platform equips four wheels, two omni-wheels in front and two normal tires in rear. The normal wheel and the omni-wheel,...
In this paper, a development of a four-wheel-drive (4WD) omnidirectional wheelchair is presented. For enhancing the mobility of conventional wheelchairs, a new type of omnidirectional mobile mechanism with 4WD system is introduced. The mobile mechanism equips four wheels, two omni-wheels in front side and two normal tires in rear side. The normal wheel and the omni-wheel, mounted on the same side...
This paper presents the development of 4WD omnidirectional wheelchair with a chair tilting mechanism and experimental verification using a wheelchair prototype. For enhancing the mobility of standard wheelchairs, a new type of omnidirectional mobile platform with four-wheel drive (4WD) mechanism is introduced. The mobile platform includes a pair of normal wheels on the rear side of the platform and...
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