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   FEI STU Bratislava    deGruyter-Sciendo

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[2, 2008] 

Journal of Electrical Engineering, Vol 59, 2 (2008) 86-91

A NEW APPROACH TO THE ROBUST PID CONTROLLER SYNTHESIS FOR SYSTEMS WITH UNKNOWN MATHEMATICAL MODEL

Štefan Bucz - Ladislav Harsányi - Vojtech Veselý

   The presented paper deals with a new engineering method applicable to real plants with unknown mathematical model and varying parameters. Most of the existing 150 to 200 engineering PI(D) controller design methods are closely associated with the knowledge of the structure and parameters of the controlled plant [1], [2]. If neither the mathematical model of the controlled plant nor its parameters are available, only a negligible portion of the methods are applicable. The control law is PID based. The design procedure requires a minimum of a priori experiment-based information about the real uncertain plant. The proposed three-stage design technique can be integrated into industrial controllers as a method for tuning of robust PID controller parameters.

Keywords: frequency domain, plant perturbation, uncertainty, PID tuning, robustness, robust performance


[full-paper]


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