Robust reconstruction of the discrete state for a class of nonlinear uncertain switched systems

被引：21
|
作者：
Orani, N. [1 ]
Pisano, A. [1 ]
Franceschelli, M. [1 ]
Giua, A. [1 ]
Usai, E. [1 ]
机构：
[1] Univ Cagliari, Dept Elect & Elect Engn DIEE, I-09123 Cagliari, Italy
来源：
NONLINEAR ANALYSIS-HYBRID SYSTEMS | 2011年 / 5卷 / 02期
关键词：
Nonlinear switched systems; Uncertain systems; Discrete mode reconstruction; Sliding mode observers; OBSERVABILITY; INVERTIBILITY; STABILITY; ORDER;
D O I：
10.1016/j.nahs.2010.10.011
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 paper presents an approach to the robust state reconstruction for a class of nonlinear switched systems affected by model uncertainties. Under the assumption that the continuous state is available for measurement, an approach is presented based on concepts and methodologies derived from the sliding mode control theory. With noise-free state measurements, the time needed for reconstructing the discrete state after a transition can be made arbitrarily small by sufficiently increasing a certain observer tuning parameter. Simulations and experiments, carried out on a three-tank laboratory setup, are presented and commented. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：220 / 232
页数：13
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