Aerospace and Mechanical Engineering

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  • Author:
    Guillermo Del Castillo
    Advisory Committee:
    David W. Severson, Michael M. Stanisic, Bill Goodwine, Alan P. Bowling, Steven B. Skaar
    Degree Area:
    Aerospace and Mechanical Engineering
    Degree:
    PhD
    Defense Date:
    2004-02-23
  • Inventor(s):
    Linda Fehr, Steven B. Skaar, Guillermo Del Castillo
    Patent Number:
    US 6842692 B2
    Description:

    A wheelchair navigation system having motorized wheelchair which is powered by at least one onboard battery, and a battery charger. The navigation system also has a filter-based estimator with interface software running that is operated on an onboard laptop computer. Dual cameras, proximity sensors, microphones, and rotation sensors for the wheels are mounted to the wheelchair. Small markers are placed on the walls of a location or room. The navigation system uses the proximity sensors, rotat…

    Date Issued:
    2005-01-11
    Resource Type
    Patent
  • Inventor(s):
    Linda Fehr, Steven B. Skaar, Guillermo Del Castillo
    Patent Number:
    US 7383107 B2
    Description:

    A wheelchair navigation system for a motorized wheelchair includes dual cameras, proximity sensors, microphones, and rotation sensors for the wheels. Small markers are placed on the walls of a location or room. The navigation system uses the proximity sensors, rotation sensors and cameras in conjunction with the specialized software to determine where objects or impediments are located in the room and thereby redirect the path of the wheelchair so as to avoid such objects. The wheelchair is w…

    Date Issued:
    2008-06-03
    Resource Type
    Patent