A simplified multi-input multi-output formulation for the quantitative feedback theory

Oded Yaniv, Yossi Chait

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A simplified multi-input/output (MIMO) formulation is being developed for the quantitative feedback theory (QFT) for the 2 × 2 (n = 2) case. This formulation is consistent with basic QFT philosophy in that performance is specified for the individual closed-loop transfer functions and design insight is provided for minimization of control bandwidths. The simplified formulation turns the solution of a simultaneous robust stability and robust model matching problem into a two (n in general) step procedure of solving constrained quadratic equations (whose coefficients are linear functions of the plants and the performance constraints); the traditional procedure requires six (n + 2n2 in general) steps for a similar problem. This establishes the main contribution of this paper. A numerical example is utilized to illustrate the simplified formulation and to demonstrate the QFT's procedure of minimization of control bandwidths in MIMO problems.

Original languageEnglish
Title of host publicationProceedings of the American Control Conference
PublisherPubl by American Automatic Control Council
Pages1995-2000
Number of pages6
ISBN (Print)0879425652, 9780879425654
DOIs
StatePublished - 1991
EventProceedings of the 1991 American Control Conference - Boston, MA, USA
Duration: 26 Jun 199128 Jun 1991

Publication series

NameProceedings of the American Control Conference
Volume2
ISSN (Print)0743-1619

Conference

ConferenceProceedings of the 1991 American Control Conference
CityBoston, MA, USA
Period26/06/9128/06/91

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