Why filters obtained using hold equivalence always stable

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Reference no: EM131264153

Hold equivalence is a digital filter design approach that approximates an analog filter using

(a) Obtain the hold-equivalent digital filter for the PD, PI, and PID controllers. Modify the results as necessary to obtain a realizable filter with finite frequency response at the folding frequency.

(b) Why are the filters obtained using hold equivalence always stable?

Reference no: EM131264153

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