We present a numerical approach to evaluate the transfer function matrices of a periodic system corresponding to lifted state-space representations as constant systems. The proposed pole-zero method determines each entry of the transfer function matrix in a minimal zeros-poles- gain representation. A basic computational ingredient for this method is the extended periodic real Schur form of a periodic matrix, which underlies the computation of minimal realizations and system poles. To compute zeros and gains, fast algorithms are proposed, which are specially tailored to particular single-input single-output periodic systems. The new method relies exclusively on reliable numerical computations and is well suited for robust software implementations.


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    Title :

    Computation of transfer function matrices of periodic systems


    Contributors:

    Conference:

    2002 ; Las Vegas (USA)


    Published in:

    Publication date :

    2002-07-01


    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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