SELF CALIBRATION FOR CRANE GEOMETRY
First Claim
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1. A method for calibrating a crane for crane geometry, 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;
rotating a working arm of said crane about said pivot point to at least three different positions;
determining three locations in a geo-referenced coordinate system of said at least three different positions; and
determining a location of said pivot point based on said three locations.
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Abstract
Methods and systems are disclosed for calibrating a crane for crane geometry. A Global Navigation Satellite System (GNSS) receiver antenna is disposed on a point along a boom assembly of the crane, the crane configured to pivot about a pivot point. A working arm of the crane is rotated about the pivot point to at least three different positions. Three locations are determined in a geo-referenced coordinate system of the at least three different positions. A location of the pivot point is determined based on the three locations.
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Citations
29 Claims
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1. A method for calibrating a crane for crane geometry, said method comprising:
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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; rotating a working arm of said crane about said pivot point to at least three different positions; determining three locations in a geo-referenced coordinate system of said at least three different positions; and determining a location of said pivot point based on said three locations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for calibrating a crane for crane geometry, said method comprising:
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disposing a Global Navigation Satellite System (GNSS) receiver antenna on a cab of said crane, said crane configured to pivot about a pivot point; rotating a working arm of said crane about said pivot point to at least three different positions; determining three locations in a geo-referenced coordinate system of said at least three different positions; and determining a location of said pivot point based on said three locations.
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21. A computer-usable storage medium having instructions embodied therein that when executed cause a computer system to perform a method for calibrating a crane for crane geometry, said method comprising:
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receiving data from a Global Navigation Satellite System (GNSS) receiver antenna for at least three different positions, wherein said GNSS receiver antenna positioned on a point along a boom assembly of said crane configured to pivot about a pivot point; determining three locations in a geo-referenced coordinate system of said at least three different positions; and determining a location of said pivot point based on said three locations. - View Dependent Claims (22)
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23. A crane apparatus comprising:
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a crane comprising; a boom assembly; and a working arm; a Global Navigation Satellite System (GNSS) receiver antenna disposed on a point along said boom assembly of said crane configured to pivot about a pivot point; and a processor for; receiving data from said GNSS receiver antenna for at least three different positions of said GNSS receiver antenna; determining three locations in a geo-referenced coordinate system of said at least three different positions; and determining a location of said pivot point based on said three locations. - View Dependent Claims (24, 25)
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26. A method for calibrating a crane for crane geometry, said method comprising:
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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 an approximate location of said pivot point; rotating a working arm of said crane about said pivot point to at least two different positions; determining two locations in a geo-referenced coordinate system of said at least two different positions; and determining a location of said pivot point based on said two locations and said approximate location of said pivot point. - View Dependent Claims (27)
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28. A computer-usable storage medium having instructions embodied therein that when executed cause a computer system to perform a method for calibrating a crane for crane geometry, said method comprising:
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receiving data from 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 an approximate location of said pivot point; rotating a working arm of said crane about said pivot point to at least two different positions; determining two locations in a geo-referenced coordinate system of said at least two different positions; and determining a location of said pivot point based on said two locations and said approximate location of said pivot point. - View Dependent Claims (29)
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Specification