Dynamic Damping of Payload Motion for Cranes
Publication: Journal of Construction Engineering and Management
Volume 119, Issue 3
Abstract
The paper describes a novel strategy for damping of payload motion for various kinds of cranes used in construction, i.e., mobile cranes, boom or tower cranes and so forth, which can be implemented on existing equipment. Most research in this area concentrates on controlling the velocity and accelerations to eliminate inertial forces. However, it is almost impossible to realistically model the effects of wind, slippage of tires, or settlement of supports, etc. The research proposes an approach to control the swaying of the payload, regardless of the cause. The control strategy is based on applying periodic balancing forces and moments to the cable to damp out oscillations as and when detected. A feedback control system applied to the cable has the potential of providing an inexpensive and easily implemented solution. This is achieved by decoupling the payload and cable system from the structural members of the crane during the development of the control strategy. Effective control of the payload will improve safety, productivity and timeliness for a number of material handling operations.
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Information & Authors
Information
Published In
Journal of Construction Engineering and Management
Volume 119 • Issue 3 • September 1993
Pages: 631 - 644
Copyright
Copyright © 1993 American Society of Civil Engineers.
History
Received: Jun 1, 1992
Published online: Sep 1, 1993
Published in print: Sep 1993
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