The purpose of this paper is to show how to reduce the vibrational motion of an object transported by an overhead crane. Recent work at Sandia National Laboratories (SNL) has shown that oscillation-damped transport and swing-free stops are possible by properly programming the acceleration of the transporting crane. The main objective of this paper is to generalize the theory associated with oscillation-damped trajectories for simply suspended objects based on the work at Massachusetts Institute of Technology (MIT). Further, the results are applied to a full-scale implementation of the damped oscillation methods for the Oak Ridge National Laboratory's (ORNL) Advanced Integrated Maintenance System (AIMS). Hardware and software requirements and constraints for proper operation are discussed. Finally, test results and ''lessons learned'' are presented. 4 refs., 6 figs.


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    Title :

    Shaping inputs to reduce vibration for suspended payloads


    Contributors:
    M. W. Noakes (author) / J. F. Jansen (author)

    Publication date :

    1990


    Size :

    21 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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