The indefinite cost-function often used for ship steering autopilot design is transformed into a new dynamic cost function form which can be minimised by a standard LQG control strategy. An optimal solution to the problem is shown to exist. The optimal controller can be calculated in the frequency domain by solving the resulting single-input single-output control problem using diophantine equations. Eequivalently, the time-domain solution can be obtained by solving a Ricatti equation to give a state-feedback (or state estimate feedback) control solution. The approach is demonstrated tro using the model of a Very Large Crude Carrier (VLCC) and time-domain simulation results are presented.


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    Title :

    Ship steering control problem performance criterion for energy minimisation


    Additional title:

    Kriterium fuer Energieminimierung bei der Steuerung von Schiffen


    Contributors:
    Katebi, M.R. (author) / Grimble, M.J. (author) / Wilkie, J. (author)

    Published in:

    Publication date :

    1986


    Size :

    6 Seiten, 6 Bilder, 3 Tabellen, 16 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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