This work is concerned with the assignment of a desired PD-eigenstructure for linear time-varying systems. Despite its well-known limitations, gain scheduling control appeared to be a focus of the research efforts. Scheduling of frozen-time, frozen-state controllers for fast time-varying dynamics is known to be mathematically fallacious, and practically hazardous. Therefore, recent research efforts are being directed towards applying time-varying controllers. In this paper we: 1) introduce a differential algebraic eigenvalue theory for linear time-varying systems; and 2) propose a PD-eigenstructure assignment scheme via a differential Sylvester equation and a command generator tracker (CGT) for linear time-varying systems. The PD-eigenstructure assignment is utilized as a regulator. A feedforward gain for tracking control is computed by using the command generator tracker. The whole design procedures of the proposed PD-eigenstructure assignment scheme are systematic in nature. The scheme could be used to determine the stability of linear time-varying systems easily as well as to provide a new horizon of designing controllers for the linear time-varying systems. A missile flight control application is presented to validate the proposed schemes.


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    Titel :

    Linear time-varying eigenstructure assignment with flight control application


    Beteiligte:
    Ho Chul Lee, (Autor:in) / Jae Weon Choi, (Autor:in)


    Erscheinungsdatum :

    2004-01-01


    Format / Umfang :

    603271 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





    PD-Eigenstructure Assignment for Linear Time-Varying Systems and Its Application to Missile Flight Control

    Choi, J. W. / Lee, H. C. / International Federation of Automatic Control | British Library Conference Proceedings | 2002


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    Piou, J. / Sobel, K. / Shapiro, E. et al. | British Library Conference Proceedings | 1994