An application of instantaneous optimal control algorithm using the Newmark integration scheme to flexible structures is presented. The proposed control design procedure involves only a few simple algebraic manipulations, and this differs from the Riccati equation approach in which one needs to solve a large dimension of eigenvalue/eigenvector problem. However, in the proposed approach the closed-loop stability is not always guaranteed, as opposed to the classical optimal control problem in which the “performance” guarantees the closed-loop stability. In this paper, we propose a systematic way of choosing and characterizing the weighting matrices so that the closed-loop stability is ensured. We use an example of a flexible plane truss structure subjected to an impact to illustrate our results.


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    Title :

    Control of Flexible Structures: An Instantaneous Optimal Control Approach


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Pacific Air & Space Technolgy Conference ; 1994



    Publication date :

    1994-03-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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