Global Stabilization of a Class of Nonminimum-Phase Nonlinear Systems by Sampled-Data Output Feedback

被引:52
|
作者
Lin, Wei [1 ,2 ]
Wei, Wei [1 ,2 ]
Ye, Guoqiang [1 ,2 ]
机构
[1] Harbin Inst Technol, Shenzhen Grad Sch, Shenzhen 518055, Peoples R China
[2] Case Western Reserve Univ, Dept Elect Engn & Comp Sci, Cleveland, OH 44106 USA
关键词
Global asymptotic stabilization; nonlinear systems; nonminimum-phase; output feedback; sampled-data control; DISCRETE-TIME; ASYMPTOTIC STABILIZATION; CONTROLLERS; DYNAMICS;
D O I
10.1109/TAC.2015.2498703
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this technical note, global asymptotic stabilization by sampled-data output feedback is investigated for a class of nonminimum-phase nonlinear systems. Under a global Lipschitz condition imposing on both zero dynamics (i.e., the so-called driven system) and the driving system, together with a lower-triangular form, we prove that the nonminimum-phase system is globally stabilizable by a sampled-data dynamic output compensator that is composed of a nonlinear observer and a linear controller, both in discrete-time. The sampled-data feature makes the proposed output feedback controller easier for digital implementation.
引用
收藏
页码:3076 / 3082
页数:7
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