| 一类非仿射不确定非线性系统的自适应模糊输出反馈控制 |
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| 引用本文： | 毛玉青,张天平.一类非仿射不确定非线性系统的自适应模糊输出反馈控制[J].模糊系统与数学,2007,21(4):80-85. |
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| 作者姓名： | 毛玉青 张天平 |
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| 作者单位： | 1. 扬州大学,信息工程学院,计算机系,江苏,扬州,225009;衢州学院,信电系,浙江,衢州,324000
2. 扬州大学,信息工程学院,计算机系,江苏,扬州,225009 |
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| 基金项目： | 国家自然科学基金资助项目(6007401310371106)，江苏省教育厅计划指导项目(KK0310067) |
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| 摘 要： | 针对一类非仿射的不确定非线性系统,利用H∞控制技术和模糊系统,提出一种基于观测器的混合的直接自适应模糊控制方法,该方法不需要系统的状态变量完全可测,同时取消了最优逼近误差平方可积的假设条件,而且跟踪误差渐近收敛到零。仿真结果表明所提设计方法的有效性。
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| 关 键 词： | 模糊控制 非线性系统 非仿射系统 自适应控制 观测器 稳定性 |
| 文章编号： | 1001-7402（2007）04-0080-06 |
| 收稿时间： | 2006-03-27 |
| 修稿时间： | 2006-03-272006-05-23 |
Adaptive Output Feedback Fuzzy Control for a Class of Nonaffine Uncertain Nonlinear Systems |
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| MAO Yu-qing,ZHANG Tian-ping.Adaptive Output Feedback Fuzzy Control for a Class of Nonaffine Uncertain Nonlinear Systems[J].Fuzzy Systems and Mathematics,2007,21(4):80-85. |
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| Authors: | MAO Yu-qing ZHANG Tian-ping |
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| Abstract: | In this paper,the observer-based direct adaptive fuzzy control is developed by using control technique and fuzzy systems for a class of nonaffine uncertain nonlinear systems.The proposed approaches do not need to be available for the state variables.Not only the square integrable condition of the approximation error is avoided but also get a good tracking performance.Based on Lyapunov stability theorem,the closed-loop adaptive fuzzy control system is proved to be semi-globally uniformly ultimately bounded,with the observing error of the tracking error converging to zero asymptotically.The simulation results are performed to demonstrate the effectiveness of the proposed method. |
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| Keywords: | Fuzzy Control Nonlinear Systems Nonaffine Adaptive Control Observer Stability |
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