High-gain adaptive lambda-tracking for nonlinear systems

被引:55
作者
Allgower, F
Ashman, J
Ilchmann, A
机构
[1] UNIV EXETER,DEPT MATH,EXETER EX4 4QE,DEVON,ENGLAND
[2] ETH ZURICH,INST AUTOMAT,CH-8092 ZURICH,SWITZERLAND
[3] UNIV BATH,SCH MATH SCI,BATH BA2 7AY,AVON,ENGLAND
关键词
adaptive control; lambda-tracking; nonlinear systems; tracking; robustness; STABILIZATION; CONTROLLER;
D O I
10.1016/S0005-1098(96)00226-9
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
It is shown that a simple modification (introducing a dead zone in the adaptation law) of the known adaptive high-gain control strategy u(t)= -k(t)y(t), k(t)= parallel to y(t)parallel to(2) yields lambda-tracking in the presence of output corrupted noise for a large class of reference signals and a large class of multivariable nonlinear 'minimum-phase' systems of relative degree one. These results are applied to a realistic chemical reactor, showing the practical usefulness of these control laws. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:881 / 888
页数:8
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