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Path Detection-Based Steering Command Filtering Method for Motor Grader Automatic Articulation Feature

  • US 20150066298A1
  • Filed: 09/05/2013
  • Published: 03/05/2015
  • Est. Priority Date: 09/05/2013
  • Status: Active Grant
First Claim
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1. A method of operating a motor grader having steerable front wheels and a front and rear frame pivotally connected at an articulation joint, comprising:

  • selecting an automatic articulation mode, the automatic articulation mode having a constant curve mode;

    propelling the motor grader along a direction of travel;

    commanding front wheel steering to turn the motor grader;

    providing a plurality of front wheel steering corrections to an electronic controller;

    filtering the plurality of front wheel steering corrections using a method for filtering steering corrections based on the constant curve mode, wherein the method generates filtered front wheel steering corrections; and

    automatically commanding articulation of the front frame relative to the rear frame about the articulation joint in response to the filtered front wheel steering corrections.

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