| 非线性不确定系统的模糊自适应 输出反馈跟踪 |
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| 引用本文： | 陈海通,姜长生.非线性不确定系统的模糊自适应 输出反馈跟踪[J].中国科学院研究生院学报,2006,23(6):821-826. |
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| 作者姓名： | 陈海通 姜长生 |
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| 作者单位： | 南京航空航天大学自动化学院,南京,210016 |
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| 摘 要： | 本文研究了非仿射非线性系统的模糊自适应 输出反馈跟踪。在非仿射非线性模型存在不确定的情况下，使用模糊自适应控制器对系统进行控制，并基于Lyapunov稳定性定理得出自适应律。通过解一个代数Riccati方程实现了 跟踪性能。估计状态通过引入高增益观测器得到，实现了系统的输出反馈控制。最后，通过对一个数值例子的仿真验证了算法的有效性。
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| 关 键 词： | 模糊自适应 非仿射非线性系统 输出反馈 高增益观测器 |
| 文章编号： | 1002-1175(2006)06-0821-06 |
| 修稿时间： | 2005年7月14日 |
Fuzzy Adaptive Output Feedback Tracking of Uncertain Nonlinear Systems |
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| CHEN Hai-Tong,JIANG Chang-Sheng.Fuzzy Adaptive Output Feedback Tracking of Uncertain Nonlinear Systems[J].Journal of the Graduate School of the Chinese Academy of Sciences,2006,23(6):821-826. |
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| Authors: | CHEN Hai-Tong JIANG Chang-Sheng |
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| Institution: | College of Automation Engineering, Nanjing University of Aeronautics &; Astronautics |
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| Abstract: | A fuzzy adaptive output feedback controller for non-affine nonlinear systems is studied. This paper considers uncertain or ill-defined non-affine nonlinear systems and employs a fuzzy logic adaptive controller to control the systems. Adaptive law is designed based on Lyapunov stability. tracking performance is achieved through solving a algebraic Riccati equation. A high gain observer is employed to obtain the estimation of states and then output feedback controller is constructed. At last, a simulation example is given to illustrate the performance of the proposed method. |
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| Keywords: | Fuzzy adaptive non-affine nonlinear systems output feedback high gain observer |
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