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Robustness analysis of control systems with disc uncertainties
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作者 Zhizhen WANG Long WANG Wensheng YU 《控制理论与应用(英文版)》 EI 2005年第4期327-333,共7页
For a class of control systems with disc uncertainties, robust performance anaysis is developed. On the strictly positive realness and H-infinity-norm of uncertain systems, from the geometric point of view, two new su... For a class of control systems with disc uncertainties, robust performance anaysis is developed. On the strictly positive realness and H-infinity-norm of uncertain systems, from the geometric point of view, two new sufficient and necessary conditions are given. The largest H-infinity-norm bound, containing the coefficients of only stable polynomials and centered at a nominal stable point in the coecient space is found. The results obtained in the paper are tractable and concise, which is illustrated by some numerical examples. 展开更多
关键词 Robusmess Disc polynomial Strictly positive realness Hurwitz stability h-infinity-norm
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