Method and apparatus for gantry crane sway determination and positioning
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United States of America Patent
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Issued Date -
Nov 3, 2005
app pub date -
Apr 30, 2004
filing date -
Apr 30, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A gantry crane system includes a frame structure having a plurality of vertical support legs and one or more members interconnecting predetermined pairs of the vertical support legs; and a positioning system including positioning sensors mounted to the frame structure and configured to receive positioning signals from positioning transmitters and a position processing unit configured to use the positioning signals to determine a deflection from vertical of at least one of the vertical support legs. In certain embodiments, the gantry crane system further includes a grappler assembly mounted to the frame structure. The position processing unit is configured to use the positioning signals to determine a location of the grappler assembly.
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