Abstract
A technique is proposed to reduce payload pendulations using the reelingand unreeling of the hoisting cable. The payload is modeled as a pointmass, the cable is modeled as a rigid link, and the assembly, aspherical pendulum, is attached to the boom tip. An excitation isapplied to the assembly at the boom tip. The motion of the payload isdescribed using two-dimensional and three-dimensional models. Ourresults demonstrate that cable-length manipulation can be used to reducepayload pendulations due to near-resonance excitations. Significantreductions can be obtained via an appropriate choice of thereeling/unreeling speed. We also demonstrate the limitations inherent intwo-dimensional modelings of a crane.
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Abdel-Rahman, E.M., Nayfeh, A.H. Pendulation Reduction in Boom Cranes Using Cable Length Manipulation. Nonlinear Dynamics 27, 255–269 (2002). https://doi.org/10.1023/A:1014437225984
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DOI: https://doi.org/10.1023/A:1014437225984