DISTURBANCE ATTENUATION AND H-INFINITY-CONTROL VIA MEASUREMENT FEEDBACK IN NONLINEAR-SYSTEMS

被引:590
作者
ISIDORI, A [1 ]
ASTOLFI, A [1 ]
机构
[1] WASHINGTON UNIV,DEPT SYST SCI & MATH,ST LOUIS,MO 63130
关键词
Nonlinear control systems - State space methods - System stability - Lyapunov methods - Matrix algebra - Eigenvalues and eigenfunctions;
D O I
10.1109/9.159566
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents a solution to the problem of disturbance attenuation via measurement feedback with internal stability for an affine nonlinear system. It is also shown that the concept of disturbance attenuation, in the sense of truncated L2 norms can be given-even in the nonlinear setup-an interpretation in terms of the response to periodic inputs in the sense of rms amplitude. Finally, in the case of state feedback, a family of controllers is also provided. The proofs of all these results are surprisingly simple and indeed provide deeper insight even in the analysis of the corresponding linear control problem.
引用
收藏
页码:1283 / 1293
页数:11
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