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Auto crab operation for motor grader

  • US 9,103,098 B2
  • Filed: 08/07/2012
  • Issued: 08/11/2015
  • Est. Priority Date: 08/07/2012
  • Status: Active Grant
First Claim
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1. A method for assisting an operator of a motor grader, having both steering and articulation, to steer the motor grader in a crab steer mode, the motor grader having front steerable wheels and a set of rear tandems mounted to an articulating frame, the method comprising:

  • receiving an operator selection of an automatic crab steer mode;

    determining that a condition of the motor grader is such as to permit automatic crab steer;

    receiving an operator steering command; and

    converting the received operator steering command to an articulation command to place the motor grader into a crab steer mode, executing the articulation command, converting the articulation command to a final steering command consistent with the articulation command and executing the final steering command.

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