CONDITIONS FOR PRESERVATION OF STABILITY OF ADAPTIVE CONTROLLERS FOR SYSTEMS WITH UNMODELED DELAY

被引：5

作者：

FERNANDEZ, G ^{[1
]}

ORTEGA, R ^{[1
]}

BEGOVICH, O ^{[1
]}

机构：

[1] INST POLYTECH NACL,CIEA,MEXICO CITY 70000,MEXICO

来源：

IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 1988年 / 33卷 / 06期

关键词：

CONTROL SYSTEMS; DELAY - MATHEMATICAL TECHNIQUES - Differential Equations - SYSTEM STABILITY;

D O I：

10.1109/9.1264

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Some recent results from the mathematical literature are used to derive conditions under which stability of an adaptively controlled system (first-order plant with output feedback) is preserved in spite of the presence of a time delay in the plant input. Bounds on the delay, for which stability is preserved, are derived for three robustifying versions of the gradient update law: fixed sigma modification with and without normalization and a recently introduced time-varying sigma modification.

引用

页码：601 / 603

页数：3

共 9 条

[1]

BEGOVICH O, IN PRESS CONTR THEOR

[2]

FREEDMAN HI, 1986, SIAM J APPL MATH, V46

[3]

Hale J., 1971, APPL MATH SCI, V3

[4]

HSU L, 1987, IEEE T AUTOMAT CONTR, V32

[5]

Ioannou P. A., 1983, ADAPTIVE SYSTEMS RED

[6]

NARENDRA KS, 1987, IEEE T AUTOMAT CONTR, V32

[7]

ORTEGA R, 1986, SYST CONTR LETT, V6

[8]

PRALY L, 1983, 3RD P YAL WORKSH APP

[9] DISTURBANCE-GENERATED BIFURCATIONS IN A SIMPLE ADAPTIVE SYSTEM - SIMULATION EVIDENCE [J].

SALAM, FMA ;

BAI, S .

SYSTEMS & CONTROL LETTERS, 1986, 7 (04) :269-280

← 1 →