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System and method for sensing an edge

  • US 10,225,984 B2
  • Filed: 03/06/2015
  • Issued: 03/12/2019
  • Est. Priority Date: 03/06/2014
  • Status: Active Grant
First Claim
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1. A system for sensing an edge of a region comprising:

  • at least one distance sensor configured for coupling with a vehicle, the at least one distance sensor configured to detect a plurality of distances of objects relative to the at least one distance sensor along a plurality of adjacent scan lines; and

    a controller in communication with the at least one distance sensor, the controller configured to determine a location of an edge of a region within the plurality of adjacent scan lines, the controller includes;

    a comparator module configured to compare values corresponding to the detected plurality of distances of objects relative to the at least one distance sensor, wherein the comparator module is configured to;

    generate a standard deviation couplet each standard deviation couplet including a first standard deviation of a first subset of the plurality of distances and a second standard deviation of a second subset of the plurality of distances;

    compare the first and second standard deviations and select one of the first or second standard deviations based on the comparison; and

    repeat generation and comparison of first and second standard deviations and selection of one of the first or second standard deviations based on differing first and second subsets of the measured plurality of distances; and

    an identification module configured to identify the location of the edge of the region according to the compared values.

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