A practical PI tuning approach for time delay systems
In this paper, a simple PI tuning method for time delay systems is proposed. The main
characterization of the method is first to obtain the stability region in the (kp, ki)-plane using
the stability boundary locus method and then to find the weighted geometrical center point of
this region through its stability boundaries. Finally, this center point of the stability region in
the (kp, ki)-plane gives the tuning parameters for the PI controller. The proposed method
gives a simple and reliable result which is illustrated by several examples, and hence is …
characterization of the method is first to obtain the stability region in the (kp, ki)-plane using
the stability boundary locus method and then to find the weighted geometrical center point of
this region through its stability boundaries. Finally, this center point of the stability region in
the (kp, ki)-plane gives the tuning parameters for the PI controller. The proposed method
gives a simple and reliable result which is illustrated by several examples, and hence is …
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