基于调控参数建模的混合模糊系统的逼近分析

doi:10.3969/j.issn.0372-2112.2017.05.019

电子学报 ›› 2017, Vol. 45 ›› Issue (5): 1158-1164.DOI: 10.3969/j.issn.0372-2112.2017.05.019

基于调控参数建模的混合模糊系统的逼近分析

董文强, 王贵君

天津师范大学数学科学学院, 天津 300387

收稿日期:2015-10-21 修回日期:2016-01-19 出版日期:2017-05-25
- 通讯作者:
- 王贵君
- 作者简介:
- 董文强 男,1990年出生,硕士研究生,主要研究方向:模糊神经网络与模糊系统.E-mail:745844043@qq.com
- 基金资助:
- 国家自然科学基金 (No.61374009）

Approximation Analysis of the Hybrid Fuzzy System Based on the Modeling of a Control Parameter

DONG Wen-qiang, WANG Gui-jun

College of Mathematics Sciences, Tianjin Normal University, Tianjin 300387, China

Received:2015-10-21 Revised:2016-01-19 Online:2017-05-25 Published:2017-05-25
- Supported by:
- National Natural Science Foundation of China (No.61374009)

摘要/Abstract

摘要：

模糊系统是通过规则来描述人类语言信息，它是处理不确定信息的一种重要工具.常见的模糊系统为Mamdani模糊系统和Takagi-Sugeno（T-S）模糊系统.本文首先通过引入调控参数统一两类系统并建立广义的混合模糊系统.其次，利用多元函数带皮亚诺余项的泰勒展式证明混合模糊系统在无穷范数下对连续可微函数具有逼近性，进而借助拉格朗日型余项的Hessian矩阵证得该系统具有二阶逼近精度.最后，通过选取样本点分析说明基于调控参数建模的混合模糊系统的逼近效果优于单独的Mamdani或T-S模糊系统.

关键词: Mamdani模糊系统, T-S模糊系统, 混合模糊系统, 调控参数, 连续可微函数, 逼近性

Abstract:

A fuzzy system describes hunman language information by fuzzy rules,it is an important tool to deal with the uncertain information.Mamdani fuzzy system and Takagi-Sugeno (T-S) fuzzy system are two kinds of common systems.Firstly,the two types of systems are unified by introducing a control parameter so as to establish a generalized hybrid fuzzy system in this paper.Secondly,the hybrid fuzzy system can approximate to a continuous differentiable function with respect to infinite norm through Taylor formula with Peano remainder term of multivariate function,and certify that this system also has the second order approximation accuracy by means of Hessian matrix in Lagrange remainder term.Finally,the results show that the approximation effect of the hybrid fuzzy system based on the modeling of control parameters is better than the separate Mamdani or T-S fuzzy system by choosing sample points analysis.

Key words: Mamdani fuzzy system, T-S fuzzy system, hybrid fuzzy system, control parameter, continuously differentiable function, approximation

中图分类号:

TP183
O159

董文强, 王贵君. 基于调控参数建模的混合模糊系统的逼近分析[J]. 电子学报, 2017, 45(5): 1158-1164.

DONG Wen-qiang, WANG Gui-jun . Approximation Analysis of the Hybrid Fuzzy System Based on the Modeling of a Control Parameter[J]. Acta Electronica Sinica, 2017, 45(5): 1158-1164.

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基于调控参数建模的混合模糊系统的逼近分析

Approximation Analysis of the Hybrid Fuzzy System Based on the Modeling of a Control Parameter

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[1]	陶玉杰, 王宏志, 王贵君. Kp-积分模意义下广义Mamdani模糊系统的逼近性能及其实现[J]. 电子学报, 2015, 43(11): 2284-2291.
[2]	袁学海, 李洪兴, 杨雪. 基于模糊变换的模糊系统和模糊推理建模法[J]. 电子学报, 2013, 41(4): 674-680.
[3]	袁学海;李洪兴;孙凯彪. 基于参数单点模糊化方法的模糊系统及其逼近能力[J]. 电子学报, 2011, 39(10): 2372-2377.