M. Braae

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The Symmetrical Optimum tuning proposed by Kessler (1958) and further modified by Voda and Landau (1995) ensures that maximum phase margin is achieved for the resulting closed loop system. The equations for Symmetrical Optimum tuning as defined by Astrom and Hagglund (1995) have recently been improved by Preitl and Precup (1999). In this paper the Preitl(More)
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