A method is presented for designing optimal feedback controllers for systems having subsystem sensitivity constraints. Such constraints reflect the presence of subsystem performance indices which are in conflict with the performance index of the overall system. The key to the approach is the use of relative performance index sensitivity (a measure of the deviation of a performance index from its optimum value). The weighted sum of subsystem and/or operational mode relative performance index sensitivies is defined as an overall performance index. A method is developed to handle linear systems with quadratic performance indices and either full or partial state feedback. The usefulness of this method is demonstrated by applying it to the design of a stability augmentation system (SAS) for a VTOL aircraft. A desirable VTOL SAS design is one that produces good VTOL transient response both with and without active pilot control. The system designed using this method is shown to effect a satisfactory compromise solution to this problem.


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    Titel :

    Pilot/vehicle control optimization using averaged operational mode and subsystem relative performance index sensitivities


    Beteiligte:
    Leininger, G. G. (Autor:in) / Lehtinen, B. (Autor:in) / Riehl, J. P. (Autor:in)

    Kongress:

    Ann. NASA - Univ. Conf. on Manual Control ; 1972 ; Ann Arbor, MI, United States


    Erscheinungsdatum :

    01.01.1972


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :




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