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Position control system

  • US 9,308,926 B2
  • Filed: 12/29/2008
  • Issued: 04/12/2016
  • Est. Priority Date: 12/29/2008
  • Status: Active Grant
First Claim
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1. A method for controlling a vehicle having wheels located on a fixed path, the method comprising:

  • using a vehicle processor and a vehicle sensor device to determine an actual velocity of the vehicle while the vehicle is moving along the path, wherein the vehicle processor and the vehicle sensor device are located on the vehicle;

    using a position control correction module to compare the actual velocity of the vehicle to a velocity command generated by the vehicle processor and utilizing a comparison result to determine if wheel slip is occurring; and

    decreasing a magnitude of a subsequent vehicle velocity command from the vehicle processor relative to a magnitude of the velocity command where the comparison result indicates that wheel slip is occurring.

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