NDLI: Tuning of controllers for integrating time delay processes

Content Provider	IEEE Xplore Digital Library
Author	Majhi, S. Mahanta, C.
Copyright Year	2001
Description	Author affiliation: Electron. & Commun. Eng. Dept., Indian Inst. of Technol. Guwahati, India (Majhi, S.)
Abstract	Presents an identification method and a simple control strategy for open loop integrating processes with time delay. From a symmetrical relay test the open-loop integrating process model transfer function is estimated. A control strategy involving an inner loop in the feedback path and a proportional integral controller in the feedforward path is proposed. The inner feedback loop with a controller plays an important role in stabilizing the integrating processes. Then the PI controller in the outer loop is designed to control the stabilized process efficiently. Simple tuning formulae interims of the estimated process model parameters have been derived for the controllers based on user-specified gain and phase margins. A comparison of the performances of the proposed design settings with those given by earlier workers is presented.
Sponsorship	IEEE Region 10
Starting Page	317
Ending Page	320
File Size	279979
Page Count	4
File Format	PDF
ISBN	0780371011
DOI	10.1109/TENCON.2001.949605
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-08-19
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay effects Open loop systems Pi control Proportional control Feedback loop Relays Testing Transfer functions Process control Parameter estimation
Content Type	Text
Resource Type	Article

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