Strong Diagonal Dominance by Quantitative Feedback Theory

[+] Author and Article Information
R. A. Perez

Mechanical Engineering Department, University of Wisconsin-Milwaukee, Milwaukee, WI 53201

O. D. I. Nwokah, D. F. Thompson

School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

J. Dyn. Sys., Meas., Control 115(2A), 246-252 (Jun 01, 1993) (7 pages) doi:10.1115/1.2899028 History: Received June 07, 1991; Revised August 01, 1992; Online March 17, 2008


This paper uses strong diagonal dominance theory to obtain a systematic solution to the MIMO-QFT problem by an n times solution of the SISO-QFT sensitivity constraint problem. This is analogous to the current MIMO-QFT formulation that requires an n times solution for the elements of the closed-loop transfer matrix. Of equal but independent interest is the establishment of the first early verifiable existence and uniqueness conditions for robust diagonal stabilizability.

Copyright © 1993 by The American Society of Mechanical Engineers
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