| 基于解析结构的模糊控制器的稳定性和一致逼近性分析 |
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| 引用本文： | 黄卫华,方康玲,章政.基于解析结构的模糊控制器的稳定性和一致逼近性分析[J].微计算机信息,2006,22(25):103-105. |
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| 作者姓名： | 黄卫华 方康玲 章政 |
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| 作者单位： | 武汉科技大学 |
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| 基金项目： | 湖北省教育厅科研项目;武汉科技大学校科研和教改项目 |
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| 摘 要： | 基于模糊控制的解析结构理论,设计了输入变量采用三角形、全交迭,等差间距分布的隶属函数,输出变量采用对称、均匀分布的单点隶属函数和线性控制规则的二维模糊控制器,推导了模糊控制器的解析表达式。利用Lyapunov第二法论证了该模糊控制系统在平衡点处的局部稳定性,并证明了模糊控制器的一致逼近性。
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| 关 键 词： | 模糊控制器 解析结构 稳定性 一致逼近性 |
| 文章编号： | 1008-0570(2006)09-1-0103-03 |
| 修稿时间： | 2006年1月9日 |
Stability and Universal Approximation of Fuzzy Controller Based on Analytical Structure |
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| Huang Weihua,Fang Kangling,Zhang Zheng.Stability and Universal Approximation of Fuzzy Controller Based on Analytical Structure[J].Control & Automation,2006,22(25):103-105. |
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| Authors: | Huang Weihua Fang Kangling Zhang Zheng |
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| Abstract: | Based on the theory of analytical structure, a fuzzy controller with two inputs and one output is designed in this paper, whose in-put-membership is triangular, full-overlapped, unevenly and difference-space distribution, output-membership is symmetric, singleton and evenly distribution. With the analytical expression of fuzzy controller, it is discussed that the fuzzy control system has the same local stabili-ty as a linear PI controller at equilibrium point, and then it is proved that the fuzzy controller is universal approximation. |
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| Keywords: | fuzzy controller analytical structures stability universal approximation |
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