Semi‐global stabilization via linear sampled‐data output feedback for a class of uncertain nonlinear systems |
| |
| Authors: | Chuanlin Zhang Ruting Jia Chunjiang Qian Shihua Li |
| |
| Affiliation: | 1. Key Laboratory of Measurement and Control of CSE, Ministry of Education, School of Automation, Southeast University, Nanjing, Jiangsu 210096, China;2. Department of Electrical Engineering and Computer Science, McNeese State University, Lake Charles, LA 70609, USA;3. Department of Electrical and Computer Engineering, University of Texas at San Antonio, San Antonio, TX 78249, USA |
| |
| Abstract: | This paper develops a systematic design scheme to construct a linear sampled‐data output feedback controller that semi‐globally asymptotically stabilizes a class of uncertain systems with both higher‐order and linear growth nonlinearities. To deal with the uncertain coefficients in the systems, a robust state feedback stabilizer and a reduced‐order sampled‐data observer, both in the linear form, are constructed and then integrated together. The semi‐global attractivity and local stability are delicately proved by carefully selecting a scaling gain using the output feedback domination approach and a sampling period sufficiently small to restrain the state growth under a zero‐order‐holder input. Copyright © 2014 John Wiley & Sons, Ltd. |
| |
| Keywords: | nonlinear systems output feedback sampled‐data control reduced‐order observer |
|
|
