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Article

Идентификация объектов управления с запаздыванием: обратное Z-преобразование вместо оптимизации

Ахметсафина Р. З., Ахметсафин Р. Д.

The paper deals with the algorithm of the identification of discrete systems with variable delay, consisting of an ideal sampler, zero-order hold and the linear continuous part. The delay parameter (fractional part of time delay) is estimated through the inverse modified Z-transform. The estimation is based on the equality of the continuous-time part step re­sponse to zero at the time delay point. The time delay of the discrete system (integer component) is adjusted by means of the integer part of the estimate obtained.