Adaptive output-feedback design for a class of nonlinear discrete-time systems

Author

Yeh, Po-Chiang ; Kokotovic, Petar

Author_Institution

Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA

Volume

40

Issue

9

fYear

1995

fDate

9/1/1995 12:00:00 AM

Firstpage

1663

Lastpage

1668

Abstract

We present adaptive output-feedback schemes for a class of discrete-time systems whose continuous-time counterparts are the output-feedback canonical form. We first develop a systematic design procedure for the deterministic case. Global boundedness and convergence are achieved with no restriction imposed on the nonlinearities. Then we proceed to develop an analogous design procedure for the adaptive case. Depending on the characteristics of the nonlinearities, global boundedness and convergence can be achieved with various update laws. A rank condition is required to ensure such properties for nonlinearities which are not globally Lipschitz

Keywords

adaptive control; control nonlinearities; control system synthesis; convergence of numerical methods; discrete time systems; feedback; nonlinear systems; observers; adaptive output-feedback; convergence; global boundedness; nonlinear discrete-time systems; nonlinearities; rank condition; state observers; systematic design; Adaptive control; Adaptive systems; Chromium; Control systems; Convergence; Filters; Nonlinear control systems; Nonlinear systems; Output feedback; Programmable control;

fLanguage

English

Journal_Title

Automatic Control, IEEE Transactions on

Publisher

ieee

ISSN

0018-9286

Type

jour

DOI

10.1109/9.412642

Filename

412642