The integrated design of a structure and its control system is treated as a multiobjective optimization problem. Structural mass and a quadratic performance index constitute the vector objective function. The closed-loop performance index is taken as the time integral of the Hamiltonian. Constraints on natural frequencies, closed-loop damping, and actuator forces are also considered. Derivatives of the objective and constraint functions with respect to structural and control design variables are derived for a finite element beam model of the structure and constant feedback gains determined by independent modal space control. Pareto optimal designs generated for a simple beam demonstrate the benefit of solving the integrated structural and control optimization problem.


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    Title :

    Integrated structural design and vibration suppression using independent modal space control


    Additional title:

    Integrierte strukturelle Gestaltung und Schwingungsdämpfung unter Anwendung der unabhängigen modalen Raumkontrolle


    Contributors:

    Published in:

    AIAA Journal ; 32 , 10 ; 2053-2060


    Publication date :

    1994


    Size :

    8 Seiten, 6 Bilder, 1 Tabelle, 24 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English