Observer Design for Discrete-Time Nonlinear Systems

被引:3
|
作者
Lin, Wei [1 ]
Wei, Jinfeng [1 ]
Wan, Feng [2 ]
机构
[1] Case Western Reserve Univ, Dept Elect Engn & Comp Sci, Cleveland, OH 44106 USA
[2] Univ Macau, Dept Elect & Electron Engn, Macau, Peoples R China
关键词
Discrete-time systems; linearization; local diffeomorphism; nonlinear observers; time-scaling method;
D O I
10.1109/CDC.2008.4739087
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Necessary and sufficient conditions are presented under which a discrete-time autonomous system with outputs is locally diffeomorphic to an output-scaled linear observable system or an output-scaled nonlinear system in the observer form. As a consequence of such characterizations, the nonlinear observer design problem is studied by a time-scaling approach combined with the exact linearization technique, for a broader class of discrete-time nonlinear systems.
引用
收藏
页码:5402 / 5407
页数:6
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