Handling disturbances in nonlinear control: the use of state feedback

被引:1
|
作者
Hammer, J [1 ]
机构
[1] Univ Florida, Dept Elect & Comp Engn, Gainesville, FL 32611 USA
关键词
D O I
10.1080/002071798222127
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The problem of controlling a nonlinear system in the presence of disturbances and modelling inaccuracies is considered. The objective is to design a static state feedback controller that controls the system so that the combined effect of all disturbances and inaccuracies on the response of the closed loop system is below a specified bound. The results include a characterization of the largest disturbance amplitude for which the design objective can be met. This result can be used to find the largest discretization step for a digital controller. Note that a larger discretization step lowers the computational burden of the controller. By exploring a basic connection to reachability, a procedure for the computation of appropriate static state feedback controllers is described. The state feedback controllers are calculated through the solution of a system of algebraic inequalities.
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页码:761 / 787
页数:27
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