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The book emphasizes the practical aspects in designing feedback control systems in which the plant may be nonminimum phase, unstable and also highly uncertain. The plant uncertainty features is
closely related to what is today called "robustness". A major task in automatic control is to design a well behaving feedback controlled system which stays "robust" and satisfies correctly defined
quantitative performances for the entire region of uncertainty of the plant. "Classical (QFT)" and "modern (Hoo)" design approaches for that purpose are explained side by side and are used to solve
similar design examples, so that results obtained by both approaches can be compared. From here stems the name of the book. |
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