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期刊论文

H∞ and Positive-Real Control for Linear Neutral Delay Systems

徐胜元Shengyuan Xu James Lam Chengwu Yang

IEEE TRANSACTIONS ON AUTOMATIC CONTROL VOL.46 NO.8(2001)1321-1326,-0001,():

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摘要/描述

This note is concerned with the H∞ and positive-real control problems for linear neutral delay systems. The purpose of H∞ control is the design of a memoryless state feedback controller which stabilizes the neutral delay system and reduces the H∞ norm of the closed-loop transfer function from the disturbance to the controlled output to a prescribed level, while the purpose of positive-real control is to design a memoryless state feedback controller such that the resulting closed-loop system is stable and the closed-loop transfer function is extended strictly positive real. Sufficient conditions for the existence of the desired controllers are given in terms of a linear matrix inequality (LMI). When this LMI is feasible, the expected memoryless state feedback controllers can be easily constructed via convex optimization.

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