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Robust Controller Design using Quantitative Feedback Theory (QFT)

by Vilas.k Jadhav, Chandrakant.b Kadu, Bhagsen J. Parvat
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 47 - Number 7
Year of Publication: 2012
Authors: Vilas.k Jadhav, Chandrakant.b Kadu, Bhagsen J. Parvat
10.5120/7198-9975

Vilas.k Jadhav, Chandrakant.b Kadu, Bhagsen J. Parvat . Robust Controller Design using Quantitative Feedback Theory (QFT). International Journal of Computer Applications. 47, 7 ( June 2012), 9-13. DOI=10.5120/7198-9975

@article{ 10.5120/7198-9975,
author = { Vilas.k Jadhav, Chandrakant.b Kadu, Bhagsen J. Parvat },
title = { Robust Controller Design using Quantitative Feedback Theory (QFT) },
journal = { International Journal of Computer Applications },
issue_date = { June 2012 },
volume = { 47 },
number = { 7 },
month = { June },
year = { 2012 },
issn = { 0975-8887 },
pages = { 9-13 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume47/number7/7198-9975/ },
doi = { 10.5120/7198-9975 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:41:15.175406+05:30
%A Vilas.k Jadhav
%A Chandrakant.b Kadu
%A Bhagsen J. Parvat
%T Robust Controller Design using Quantitative Feedback Theory (QFT)
%J International Journal of Computer Applications
%@ 0975-8887
%V 47
%N 7
%P 9-13
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Most of the practical systems are characterized by high uncertainty which makes it difficult to maintain good stability margins and performance properties for closed loop system. In case of conventional control, if plant parameter changes we cannot assure about the system performance hence it is necessary to design robust control for uncertain plant. Among the various strategies proposed to tackle this problem, Quantitative Feedback Theory (QFT) has proved its superiority especially in the face of significant parametric uncertainty. The feature of QFT is that it can take care of large parametric uncertainty along with phase information. For the purpose of QFT, the feedback system is normally described by the two-degrees-of freedom structure. A chemical system common to many chemical processing plants, known as a continuous stirred tank reactor (CSTR). For an isothermal CSTR the product concentration can be controlled by manipulating the feed flow rate,which changes the residence time.

References
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  2. Joaquin Cervera, Alfonso Banos et al. , "Tuning of Fractional PID Controllers by Using QFT", IEEE, 2006, page no. 5402-5406
  3. Graham C. Goodwin, "Control System Design", Prentice-Hall of India Private Limited.
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  5. C. H. Houpis, "Quantitative Feedback Theory Fundamentals and applications. "Taylor and Francis Group publication, 2006.
  6. B. Wayne Bequette. "Process control modeling design and simulation" Prentice-Hall of India Private Limited, Page no. 605-614.
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Index Terms

Computer Science
Information Sciences

Keywords

Robust Control Pid Control Continuous Stirred Tank Reactor Quantitative Feedback Theory (qft)

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