| 基于遗传算法的广义Takagi-Sugeno模糊逻辑系统最优参数辨识 |
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| 引用本文： | 李合生, 毛剑琴, 代冀阳. 基于遗传算法的广义Takagi-Sugeno模糊逻辑系统最优参数辨识. 自动化学报, 2002, 28(4): 581-586. |
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| 作者姓名： | 李合生 毛剑琴 代冀阳 |
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| 作者单位： | 1.北京航空航天大学第七研究室,北京;;;2.中国工程物理研究院电子工程研究所,绵阳 |
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| 基金项目： | 北京市自然科学基金 ( 4992 0 0 7)资助 |
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| 摘 要： | 针对Takagi-Sugeno模糊逻辑系统的隶属函数不具有自适应性且模糊规则数的确定带有很大的人为主观性,这里引入了一类广义Takagi-Sugeno模糊逻辑系统;在模型实现上，以广义Takagi-Sugeno模型为个体,采用简单、有效的矩阵编码方式,借助遗传算法得到一个次优的广义Takagi-Sugeno模糊系统模型,该模型不仅能很好地逼近所要辨识的非线性系统,而且还具有较低的复杂度.仿真结果表明了广义Takagi-Sugeno模型及其参数辨识方法的正确性和有效性.
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| 关 键 词： | 模糊逻辑系统 遗传算法 矩阵编码 参数辨识 |
| 收稿时间： | 2000-03-22 |
| 修稿时间： | 2000-03-22 |
GENERALIZED TAKAGI-SUGENO FUZZY LOGICAL SYSTEM OPTIMAL PARAMETER IDENTIFICATION BASED ON GENETIC ALGORITHM |
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| LI He-Sheng, Mao Jian-Qin, Dai Ji-Yang. Generalized Takagi-Sugeno Fuzzy Logical System Optimal Parameter Identification Based on Genetic Algorithm. ACTA AUTOMATICA SINICA, 2002, 28(4): 581-586. |
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| Authors: | LI He-Sheng Mao Jian-Qin Dai Ji-Yang |
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| Affiliation: | 1. The Seventh Research Division,Beijing University of Aeronautics and Astronautics,Beijing;The Institute of Electric Engineering,Chinese Academy of Engineering Physics,Mianyang |
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| Abstract: | In Takagi-Sugeno fuzzy logical system, its membership functions have no self-adaptability and the number of fuzzy ruels is defined subjectively. In this paper, a generalized Takagi-Sugeno fuzzy logical system model is quoted. In search of optimal parameters of the generalized Takagi-Sugeno model the matrix coding is adopted. The structure of the generalized Takagi-Sugeno model is evolved by GA and the resulting suboptimal solution can be found quickly, which has lower complexity and approximates to a nonliner system very well. The validity of this method has been demonstrated by a numerical simulation. |
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| Keywords: | Fuzzy logical system genetic algorithm matrix coding parameter identification |
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