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PID controller tuning by frequency loop-shaping

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2 Author(s)
Grassi, E. ; Dept. of Electr. Eng., Arizona State Univ., Tempe, AZ, USA ; Tsakalis, K.

A frequency loop-shaping technique is presented for tuning proportional-integral-derivative controllers. In this approach, the controller parameters are tuned so as to minimize the difference between the actual and a target loop transfer function, in the sense of the ℋ norm. The simple structure of these controllers allows the formulation of the loop-shaping objective as a convex optimization problem that can be solved numerically in a reliable way. Several examples are presented to illustrate the application of the proposed tuning technique and compare it with existing ones

Published in:

Decision and Control, 1996., Proceedings of the 35th IEEE Conference on  (Volume:4 )

Date of Conference:

11-13 Dec 1996