Fault tolerant control: A simultaneous stabilization result

被引:88
|
作者
Stoustrup, J [1 ]
Blondel, VD
机构
[1] Aalborg Univ, Inst Elect Syst, Dept Control Engn, DK-9220 Aalborg, Denmark
[2] Catholic Univ Louvain, Dept Engn Math, B-1348 Louvain, Belgium
关键词
controller order; fault tolerant control; sensor faults; simultaneous stabilization;
D O I
10.1109/TAC.2003.822999
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 note discusses the problem of designing fault tolerant compensators that stabilize a given system both in the nominal situation, as well as in the situation where one of the sensors or one of the actuators has failed. It is shown that such compensators always exist, provided that the system is detectable from each output and that it is stabilizable. The proof of this result is constructive, and a worked example shows how to design a fault tolerant compensator for a simple, yet challenging system. A family of second order systems is described that requires fault tolerant compensators of arbitrarily high order.
引用
收藏
页码:305 / 310
页数:6
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