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Summary: Procaedlngs of the 26th Conferenca
on Declslon and Control
Lo6 Angelas, CA * December 1987
SMSITIVITY CONSIDER\TIONS INTHE CO!TI'ROL OF GEMRALIZED PU\TS
by
0.R. Gonzalez andP. J. .Antsaklis
Department of Electrical and Computer Engineering
University of Notre Dame
Notre Dame, IS46556
Abstract
A new comparison sensitivity matrix is derivedfor
a generalized plant where the controlled and measured
variables are not necpssaril). the same. It contains a
const,ant.term, r;hich imposes a constraint on sensitivity
rrdurt.ion ?.hat ('an be overcome when the controlled and
m r a s o v d variables are related appropriately. Its rela-
t ion to exogenous signal attenuation is also shohn.
Introduction
The role of feedback in reducing the sensitivity of
a linear control system to plant parameter \-ariations is
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