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  • M. Wada
  • 2005
In this paper, a new type of omnidirectional mobile platform with four-wheel drive (4WD) mechanism is presented. The mobile platform includes a pair of normal wheels on the rear side of the platform and a pair of omni-wheels on the front side. The normal wheel in rear and the omni-wheel in front, mounted on the same side of the platform, are interconnected(More)
  • M. Wada
  • 2005
This paper presents a new type of omnidirectional mobile base with four-wheel drive (4WD) mechanism for improving traction on the slippery surface and enhancing mobility on rough terrain of omnidirectional electric wheelchairs. The mobile base includes a pair of normal wheels on the rear side of the base and a pair of omni-wheels on the front side. The(More)
In this correspondence, we discuss the quality of images realized by a recently proposed method of generating a high-resolution image by superimposing multiple low-resolution images projected by different projectors. We show several fundamental properties of this method: 1) the accuracy of the image realization (e.g., resolution of the realized image) is(More)
  • M. Wada
  • 2008
This paper presents a development of a 4WD omnidirectional wheelchair with a chair tilting system for climbing single high step. For enhancing the step climb capability of standard wheelchairs, a Four-wheel-drive(4WD) mechanism is introduced. The mobile platform equips four wheels. A pair of front-rear wheels which mounted on the same side of the mechanism,(More)
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