ANALYSIS AND DESIGN OF LINEAR-MULTIVARIABLE FEEDBACK-SYSTEMS IN THE PRESENCE OF ADDITIVE PERTURBATIONS

Autor: R. W. Daniel, Basil Kouvaritakis
Jazyk: angličtina
Rok vydání: 2016
Předmět:
DOI: 10.1080/00207178408933188
Popis: The paper introduces the concept of normal approximations to the analysis of uncertain linear multivariable feedback systems, in order to derive a new criterion for the stability of plants subject to additive perturbations. This criterion permits a complete assessment of stability margins in that it provides a measure of tolerance to uncertainty as well as providing a measure of gain/phase margins. The proposed approach leads to a systematic design procedure which minimizes the effects of uncertainty by attaining the condition of normality or which improves the stability margins by robust gain/phase sharing. The results presented in this paper are insensitive to small perturbations on the nominal plant model and provide the means for a consideration of information concerning the structure of uncertainty.
Databáze: OpenAIRE