This paper describes an on-line design and a simulation procedure that allows rapid prototyping of time-variant systems, instationary processes and non-linear structures such as adaptive systems. The proposed procedure is mainly based on digital MX filters whose coefficients vary with time in such a way that even structures can be modelled whose eigenvalues change very fast. In this paper, two examples are carried out. On is an on-line or real-time system identification of activatable materials that are implemented into mechanical structures; the other is a new on-line helicopter model that considers structural dynamics, the aeroelasticity and aerodynamics of the rotor blades. Using these MX filter based models, a decisive progress in R&D can be achieved in that materials with time variant properties can be modelled, and parameters and form of the constitutive equations can be derived. Wind tunnel tests of helicopters can be confirmed. Instationary processes can be interpreted. There is the possibility to get more understanding of the physics of non-linear and adaptive systems. The description of the proposed procedure is analytical, numerical and experimental.


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    Titel :

    An on-line design and simulation procedure for the development of instationary or nonlinear or adaptive systems


    Beteiligte:
    Melcher, J. (Autor:in) / Büter, A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2000


    Format / Umfang :

    8 Seiten, 10 Bilder, 1 Quelle




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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