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| 非线性不确定系统的鲁棒滑模观测器设计 | |
| 引用本文： | 张袅娜,冯勇,邱东. 非线性不确定系统的鲁棒滑模观测器设计[J]. 控制理论与应用, 2007, 24(5): 715-718 |
| 作者姓名： | 张袅娜 冯勇 邱东 |
| 作者单位： | 1. 长春工业大学,自动化系,吉林,长春,130012;哈尔滨工业大学电气学院,黑龙江,哈尔滨,150001 2. 哈尔滨工业大学电气学院,黑龙江,哈尔滨,150001 3. 长春工业大学,自动化系,吉林,长春,130012 |
| 基金项目： | 国家自然科学基金资助项目(60474016) |
| 摘 要： | 对非线性不确定性系统,提出一种鲁棒滑模观测器.所提出的鲁棒滑模观测器通过滑模与相应的控制策略来实现,设计参数的选取不需要求解大量方程,同时能保证对系统的非线性不确定项具有鲁棒性.通过设计滑模,可以调整观测器跟踪系统状态的收敛速度,使状态估计达到预期的指标.仿真结果验证了提出方法的有效性. |
| 关 键 词： | 观测器 滑模 鲁棒性 |
| 文章编号： | 1000-8152（2007）05-0715-04 |
| 收稿时间： | 2005-03-23 |
| 修稿时间： | 2005-03-23 |
Robust sliding mode observer design of nonlinear uncertain systems |
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| ZHANG Niao-n,FENG Yong,QIU Dong. Robust sliding mode observer design of nonlinear uncertain systems[J]. Control Theory & Applications, 2007, 24(5): 715-718 | |
| Authors: | ZHANG Niao-n FENG Yong QIU Dong |
| Affiliation: | Department of Automation, Changchun University of Technology, Changchun Jilin 130012, China; Department of Electrical Engineering, Harbin Institute of Technology, Harbin Heilongjiang 150001, China |
| Abstract: | A robust sliding mode observer for nonlinear and uncertain systems is proposed in this paper.Firstly,the state observer problem is formulated.Then,the sliding mode and control strategy are designed,which guarantees the robustness of the observer whith the nonlinearities or uncertainties of systems.The convergence rate between the observer and the system can also be adjusted by choosing suitable sliding mode manifold,so as to attain the desired performances.Finally,simulation results are presented to validate the design. |
| Keywords: | observer sliding mode robustness |
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