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Crane boom pointing angle determination

  • US 9,547,088 B2
  • Filed: 03/15/2013
  • Issued: 01/17/2017
  • Est. Priority Date: 02/10/2014
  • Status: Active Grant
First Claim
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1. A method for determining a working arm pointing angle of a crane relative to a reference direction, said method comprising:

  • disposing a Global Navigation Satellite System (GNSS) receiver antenna on a point along a boom assembly of said crane configured to pivot about a pivot point;

    receiving a location of said pivot point;

    rotating a working arm of said crane about said pivot point to point in a current direction;

    determining a current location of said GNSS receiver antenna; and

    determining a current working arm pointing angle relative to a reference direction for said current direction of said working arm based on said current location of said GNSS receiver antenna and said location of said pivot point.

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