| 非线性微分-代数子系统的初始化高增益观测器设计 |
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| 引用本文： | 陈炜峰,周权,臧强. 非线性微分-代数子系统的初始化高增益观测器设计[J]. 南京气象学院学报, 2013, 5(1): 50-54 |
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| 作者姓名： | 陈炜峰 周权 臧强 |
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| 作者单位： | 南京信息工程大学 信息与控制学院,南京,210044;南京信息工程大学 信息与控制学院,南京,210044;南京信息工程大学 信息与控制学院,南京,210044 |
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| 基金项目： | 国家自然科学基金(61004001);江苏省自然科学基金(BK2011826);南京信息工程大学科研启动基金(S8110046001) |
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| 摘 要： | 针对一类大系统中的非线性微分-代数子系统,研究其状态观测问题,提出了一种初始化高增益观测器设计方案.首先,通过一个非线性微分同胚变换,实现了系统的等价变换;然后针对等价系统,给出了初始化状态观测器设计,使得观测误差是指数收敛的;最后,给出一个数值仿真算例.仿真结果验证了该方法的有效性.
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| 关 键 词： | 微分-代数子系统 非线性系统 高增益观测器 初始化 |
| 收稿时间： | 2011-11-08 |
Initialized high gain observer design for nonlinear differential-algebraic equation subsystems |
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| CHEN Weifeng,ZHOU Quan and ZANG Qiang. Initialized high gain observer design for nonlinear differential-algebraic equation subsystems[J]. Journal of Nanjing Institute of Meteorology, 2013, 5(1): 50-54 |
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| Authors: | CHEN Weifeng ZHOU Quan ZANG Qiang |
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| Affiliation: | School of Information and Control, Nanjing University of Information Science & Technology, Nanjing 210044;School of Information and Control, Nanjing University of Information Science & Technology, Nanjing 210044;School of Information and Control, Nanjing University of Information Science & Technology, Nanjing 210044 |
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| Abstract: | In this paper,the problem of state observation for a class of nonlinear differential-algebraic equation (DAE) subsystem is considered and a design scheme of initialized high gain observer is proposed.There are two steps for this observer design.Firstly,the equivalent transformation of the system is achieved by a nonlinear diffeomorphism transformation.Then for the equivalent system,an initialized state observer design is given to make observation error converge exponentially.Finally,a numerical simulation is presented and the simulation results verify the effectiveness of the proposed method. |
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| Keywords: | differential-algebraic equation subsystems nonlinear systems high gain observer initialization |
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