ROBUST CONVERGENCE OF 2-STAGE NONLINEAR ALGORITHMS FOR IDENTIFICATION IN H-INFINITY

被引：14

作者：

GU, GX

KHARGONEKAR, PP

LI, YL

机构：

[1] LOUISIANA STATE UNIV,DEPT ELECT ENGN & COMP SCI,BATON ROUGE,LA 70803

[2] UNIV MICHIGAN,DEPT ELECT ENGN & COMP SCI,ANN ARBOR,MI 48109

[3] UNIV MINNESOTA,DEPT ELECT ENGN,MINNEAPOLIS,MN 55455

来源：

SYSTEMS & CONTROL LETTERS | 1992年 / 18卷 / 04期

基金：

美国国家科学基金会;

关键词：

IDENTIFICATION IN H-INFINITY; ROBUST IDENTIFICATION; FREQUENCY RESPONSE; FAST FOURIER TRANSFORM; NEHARI PROBLEM;

D O I：

10.1016/0167-6911(92)90055-W

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Two-stage nonlinear algorithms for the problem of identification in H(infinity) are analyzed in terms of the Fourier transform of the window function. Conditions characterizing the robust convergence of the two-stage nonlinear algorithm are derived. The sufficiency of the conditions holds for a general class of window functions while the necessity is proved for robust convergence of the first stage of the algorithm under the mild additional restriction that the window function is even symmetric. Some improved upper bounds for the worst case identification error are also obtained.

引用

页码：253 / 263

页数：11

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