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[01-02, 2001] 

Journal of Electrical Engineering, Vol 52, 01-02 (2001) 19-23

ROBUST PID CONTROLLER DESIGN

Ladislav Harsányi - Mária Dúbravská

   The article deals with the robust PID controller design for linear systems using the Tsypkin-Polyak Robust Stability Theorem. According to the proposed method, presupposing knowledge of parametric uncertainty intervals of the controlled system, the robust PID controller design task is transformed into a static optimization problem with the aim to find the maximum value of the stability radius which is proportional to the closed-loop robust stability.

Keywords: robust controller, control system robust stability, parametric uncertainty, uncertainty radius, stability radius, Tsypkin-Polyak plot, Tsypkin-Polyak theorem


[full-paper]


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