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Iterative method for obtaining the argument of the dominant complex pole-pair

Iterative method for obtaining the argument of the dominant complex pole-pair

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A simple and efficient method is presented for obtaining the argument of the dominant complex pole-pair of a discrete-time system. This new method can be directly applied to either the system characteristic polynomial or the state transition matrix, whichever is available. Moreover, it can easily be extended to extract the values of the arguments of all complex pole-pairs of the system under consideration.

References

    1. 1)
      • S. Puthenpura , N.K. Sinha , B.P. Mohanty . Stability of linear discrete-time systems. Electron. Lett. , 432 - 434
    2. 2)
      • S. Puthenpura , N.K. Sinha . Extended power method and stability of linear discrete-time systems. Electron. Lett. , 4 - 5
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