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This paper presents a study regarding initial off-line tuning for the constant parameters of a self-tuning controller. The main characteristic of a self-tuning controller is the on-line adaptation of their parameters values to the process changes. However some parameters must be imposed off-line, their values remaining unchanged. Several study cases regarding choosing proper values for two of these initialization parameters - forgetting factor (parameter of the recursive least square parameters estimator) and control penalty factor (parameter of control law), particularized to the self-tuning excitation control of a synchronous generator are presented.
Date of Conference: Yearly 17 2007-May 18 2007