Laminated windshield bending furnaces have always been controlled manually. Previously, several attempts at automatic control have been unsuccessfully tried. This is essentially due to the fact that this kind of plant is a strongly coupled multivariable system, with non-linearities and a large time delay. Another serious problem of the furnace to be controlled is the fact that it produces, successively and periodically, different types of windshields. So the plant is a time-varying system with periodic coefficients and disturbances. In this paper, an adequate combination of modern automatic control techniques, such as predictive control, an internal model and a Smith predictor have been used to obtain an original and efficient controller scheme for periodic plants. It has been tested on a real plant and has given satisfaction. An increase of the bending precision from 30 % to 100 % relative to the manual control has been obtained.


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    Titel :

    Multivariable predictive control of a laminated windshield bending furnace


    Weitere Titelangaben:

    Prädiktive Mehrgrößenregelung eines Ofens zum Biegen von laminierten Windschutzscheiben


    Beteiligte:
    Daoudi, J. (Autor:in) / Irving, E. (Autor:in) / Pons, N. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1996


    Format / Umfang :

    6 Seiten, 4 Bilder, 16 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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