This paper discusses the issues of robust control law design for fault-tolerant systems. Based on the assumption that the effects of faults can be expressed in LFT forms (linear-fractional-transformation), a fault-tolerant control systems design problem is formulated and solved via a LMI-based (linear matrix inequality) synthesis approach. In order to recover the convexity of the design problem whilst considering the robust performance and robust stability against faults and uncertainties simultaneously, a constrained optimisation approach is used. The simulation results of a design example (a longitudinal motion flight control problem for an unmanned aircraft in the case of suffering battle damage on its wing) show that robust stability and satisfactory performance have been achieved.


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    Title :

    Active fault-tolerant flight control systems design using the linear matrix inequality method


    Contributors:
    Chen, J. (author) / Patton, R.J. (author) / Chen, Z. (author)


    Publication date :

    1999


    Size :

    8 Seiten, 9 Bilder, 18 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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