Crane or digger for swinging a load hanging on a support...

Details Crane or digger for swinging a load hanging on a support... Crane or digger for swinging a load hanging on a support...

2001-10-18

2009-12-01

Mackey, Patrick (Department: 3653)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Article handling

Reexamination Certificate

active

07627393

ABSTRACT:
The invention concerns a crane or excavator for traversing a load hanging from a load cable, which is movable in three spatial directions. The crane or excavator has a computer-controlled regulation for the damping of load swings, which contains a path planning module, a centripetal force compensation unit and at least one shaft regulator for the rotating gear, one shaft regulator for the luffing gear and one shaft regulator for the lifting gear.

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Patent Abstacts of Japan Publication No. 2000038286 Published Feb. 8, 2000.
Souissi, R., et al.: Modeling and Control of a Rotary Crane for Swing-free Transport of Payloads, Control Applications, 1992, First IEEE Conference, in Dayton Ohio, USA, Sep. 13-16, 1992, New York, NY, USA, IEEE, USA, Sep. 13, 1992, pp. 782-787.

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