Sampled-data extended state observer for uncertain nonlinear systems |
| |
Authors: | C Tian P Yan and Z Zhang |
| |
Affiliation: | School of Automation Science and Electrical Engineering, Beihang University,School of Automation Science and Electrical Engineering, Beihang University; Key Laboratory of High-efficiency and Clean Mechanical Manufacturing, Ministry of Education, School of Mechanical Engineering, Shandong University and Department of Mechanical Engineering, Tsinghua University |
| |
Abstract: | In this paper, we present a sampled-data nonlinear extended state observer (NLESO) design method for a class of nonlinear systems with uncertainties and discrete time output measurement. To accommodate the inter-sample dynamics, an inter-sample output predictor is employed in the structure of the NLESO to estimate the system output in the sampling intervals, where the
prediction is used in the proposed observer instead of the system output. The exponential convergence of the sampled-data NLESO is also discussed and a sufficient condition is given by the Lyapunov method. A numerical example is provided to illustrate the performance of the proposed observer. |
| |
Keywords: | Sampled-data extended state observer nonlinear systems |
本文献已被 SpringerLink 等数据库收录! |
| 点击此处可从《控制理论与应用(英文版)》浏览原始摘要信息 |
|
点击此处可从《控制理论与应用(英文版)》下载全文 |
|