COMPUTING THE FREQUENCY-RESPONSE OF LINEAR-SYSTEMS WITH PARAMETRIC PERTURBATION

被引：75
|
作者：
FU, MY [1 ]
机构：
[1] UNIV NEWCASTLE,DEPT ELECT ENGN & COMP SCI,NEWCASTLE,NSW 2308,AUSTRALIA
来源：
SYSTEMS & CONTROL LETTERS | 1990年 / 15卷 / 01期
关键词：
Frequency response; parametric perturbation; robustness; uncertain systems;
D O I：
10.1016/0167-6911(90)90043-T
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The problem of computing the frequency response of linear systems with parametric perturbation is addressed. Under the assumption that the coefficients of the system transfer function depend on the perturbation parameters in a linear manner, we provide results for plotting the frequency response of the perturbed transfer function. These results are useful in determining the H∞ norm, gain margin and phase margin and in improving the diagonal dominance of multi-input multi-out-put uncertain systems. An illustrative example is provided to demonstrate the results. © 1990.
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页码：45 / 52
页数：8
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