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ROBOTIC VEHICLE CONTROLLER

  • US 20120303202A1
  • Filed: 08/06/2012
  • Published: 11/29/2012
  • Est. Priority Date: 01/18/2006
  • Status: Active Grant
First Claim
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1. A self-propelled vehicle comprising:

  • a frame;

    a plurality of wheels coupled to the frame;

    a hydraulic motor supported by the frame, the hydraulic motor being coupled to at least one drive wheel selected from the plurality of wheels to provide power to rotate the at least one drive wheel;

    a hydraulic control valve coupled to the hydraulic motor; and

    a stepper motor coupled to the hydraulic control valve, the stepper motor being configured to adjust an output from the hydraulic control valve to control the hydraulic motor and adjust the speed and direction of rotation of the at least one drive wheel.

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