| 具有结构式和非结构式不确定性的反馈系统的鲁棒稳定性 |
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| 引用本文： | 田玉平 冯纯伯. 具有结构式和非结构式不确定性的反馈系统的鲁棒稳定性[J]. 控制理论与应用, 1995, 12(2): 170-176 |
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| 作者姓名： | 田玉平 冯纯伯 |
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| 作者单位： | 东南大学自动化研究所 |
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| 摘 要： | 本文讨论了同时含有具范数约束的非结构式摄动和线性相关系数摄动的闭环系统的鲁棒稳定性，首先给出了一种顶点－棱边型判据，然后引入了顶点相位差的概念，使得这类系统的鲁棒稳定性可以用顶点相位差来精确判断，最后介绍了求取顶点相位差的一种简单算法。
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| 关 键 词： | 反馈系统 鲁棒稳定性 不确定系统 |
| 收稿时间： | 1993-03-31 |
| 修稿时间： | 1994-05-19 |
Robust Stability of Feedback Systems with Structured and Unstructured Uncertainties |
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| TIAN Yuping and FENG Chunbo. Robust Stability of Feedback Systems with Structured and Unstructured Uncertainties[J]. Control Theory & Applications, 1995, 12(2): 170-176 |
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| Authors: | TIAN Yuping and FENG Chunbo |
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| Affiliation: | Research Institute of Automation, Southeast University |
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| Abstract: | In this paper we discuss the problem of the robust stability of clotal-loop systems with both normbounded unstructured and linearly dependent coefficient perturbations.At first a vertex-edge like criterion is given. Then we introduce the concept of the phase difference of extreme points.By this concept the robust stability of the system discussed can be exactly determined.Finally, a simple algorithm for calculating the phase difference of extreme points is presented. |
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| Keywords: | robust stability: uncertain feedback system unstructured perturbation linearly dependent coefficient perturbation |
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