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SYSTEMS, DEVICES, AND METHODS INCLUDING A WHEELCHAIR-ASSIST ROBOT

  • US 20160052137A1
  • Filed: 08/21/2014
  • Published: 02/25/2016
  • Est. Priority Date: 08/21/2014
  • Status: Active Grant
First Claim
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1. A mobile wheelchair-assist robot, comprising:

  • a wheelchair interface component configured to wirelessly exchange control information between the mobile wheelchair-assist robot and a wheelchair controller associated with a wheelchair structured and dimensioned to transport an individual subject;

    a surveillance component configured to exchange information with the wheelchair controller;

    a plurality of rotatable members operable to frictionally interface the wheelchair-assist robot to a travel surface and to move the wheelchair-assist robot along the travel surface independent of the wheelchair; and

    a powered winch assembly mounted on a frame, the powered winch assembly operably coupled to the wheelchair interface component, the powered winch assembly including a winch drum, an anchor assembly, and a pull member configured to couple to the wheelchair and to wind around at least a portion of the winch drum, the winch drum operatively coupled to a drive mechanism to rotate the winch drum, the wheelchair interface component including circuitry configured to generate one or more winch control commands to vary a winch drum turn rate responsive to one or more inputs from the wheelchair interface component to pull the wheelchair toward the anchor assembly via rotation of the winch drum.

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