The closed-loop pole-zero synthesis of sampled-data feedback systems.
Pastel, Marvin Paul
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This dissertation is an integrated method of designing sampled- data feedback control systems to required time response. This method is distinguished from the classical frequency design methods in two ways - first, the closed- loop rather than the open-loop function serves as the starting point of the method; and, second, the procedure involves nearly direct synthesis rather than trial and error. To implement the design procedures, a set of correlation theorems are derived which permit interpretation of the closed-loop system time responses in terms of the pole-zero configuration of the closed-loop system function. Further, a graphical method is presented which permits rapid solution of the open-loop poles when the closed-loop poles are known. The techniques and results of an analog computer study are presented which serve as an experimental verification of the methods developed in this dissertation.
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