EKF-Like Observer With Stability for a Class of Nonlinear Systems

被引：18
作者：
Torres, Lizeth [1 ]
Besancon, Gildas [1 ]
Georges, Didier [1 ]
机构：
[1] Grenoble Univ, Grenoble Gipsa Lab, Control Syst Dept, F-38402 St Martin Dheres, France
来源：
IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2012年 / 57卷 / 06期
关键词：
Extended Kalman filter (EKF); high gain; locally regular inputs; nonlinear observer; stability; SYNCHRONIZATION;
D O I：
10.1109/TAC.2011.2175069
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An Extended-Kalman-Filter (EKF)-like observer is derived from a former observer result for a class of nonlinear systems, which can be written as a linear part in the unmeasured states on the one hand, and some additive nonlinearity with a triangular Jacobian on the other hand. It is shown how the previously presented excitation condition for exponential stability of the observer, extends to this EKF version. The observer is illustrated in simulation with two challenging examples, the first one in leak detection, and the second one in chaos synchronization.
引用
收藏
页码：1570 / 1574
页数：5
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