| 摘要 |
PROBLEM TO BE SOLVED: To suppress deflection of a lifted load, regardless of skill of an operator, in a crane capable of performing revolving and derricking operations. SOLUTION: According to a revolving operation or derricking operations by an operation of an operator, the derricking operations are automatically controlled by using a linear carrier conversion model and a tip of a boom 11 is made to perform linear motion for an XY plane (a horizontal plane on which a crane is arranged).
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