Method of damping the sway of the load of a crane
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United States of America Patent
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Jul 7, 1992
Grant Date -
N/A
app pub date -
Jun 12, 1990
filing date -
Jun 12, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Procedure for damping the sway of the load (2) moved by the carriage (1) of a crane, said load being suspended on at least one hoisting rope (3). The damping is achieved by using a discrete time control system whose control interval is varied in accordance with the hoisting rope length (L) while the control parameters remain constant.
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