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Author: search.filters.author.Ochiai, YasuzumiSubject: search.filters.subject.Oscillatory systems

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    Derivative State Constrained Optimal H2 Control for Oscillatory Systems and its Application
    (2000-01-01)
    Trisuwannawat, Thanit
    ;
    Tirasesth, Kitti
    ;
    lida, Michihiko
    ;
    Komine, Noriyuki
    ;
    Ochiai, Yasuzumi
    The optimal H<inf>2</inf> control of oscillatory systems via the constraints of the derivatives of state variables is discussed and applied to a physical system in this paper. It is shown that the derivative state constrained optimal H<inf>2</inf> control can be reduced into the standard optimal H<inf>2</inf> control problem with modified controlled output equations. The solution to the modified standard problem has salient features for controlling oscillatory systems that have been a tough subject in state space as well as in classical frequency domain controls. The results obtained in the paper suggest the directions how to select the constraining weights in the standard state space control designs of oscillatory systems. The application of this approach to the control of a two-inertia resonance system is shown to demonstrate the proposed schemes. © 2000, The Institute of Electrical Engineers of Japan. All rights reserved.