1967•Electronics LettersRequires access

Sensitivity relationships for linear feedback systems

H. Anthony Barker, D.J. Murray-Smith

Abstract

The sensitivity of the s plane pole position of a closed-loop system transfer function to variation of an open-loop system parameter is shown to be the coefficient of a complex frequency function in the response of the closed-loop system to a certain input signal. In many cases of practical interest, this signal is a simple one.

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Key concepts: Transfer function, Control theory (sociology), Closed-loop transfer function, Closed-loop pole, Sensitivity (control systems), Minor loop feedback, SIGNAL (programming language), Loop gain