A Computer-Aided Tuning Method for Microwave Filters by Combing T-S Fuzzy Neural Networks and Improved Space Mapping

Shengbiao Wu; Weihua Cao; Can Liu; Min Wu

首页> 中文期刊> 《工程与科学中的计算机建模（英文）》 >A Computer-Aided Tuning Method for Microwave Filters by Combing T-S Fuzzy Neural Networks and Improved Space Mapping

A Computer-Aided Tuning Method for Microwave Filters by Combing T-S Fuzzy Neural Networks and Improved Space Mapping

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摘要

A computer-aided tuning method that combines T-S fuzzy neural network(TS FNN)and offers improved space mapping(SM)is presented in this study.This method consists of three main aspects.First,the coupling matrix is effectively extracted under the influence of phase shift and cavity loss after the initial tuning.Second,the surrogate model is realized by using a T-S FNN based on subspace clustering.Third,the mapping relationship between the actual and the surrogate models is established by the improved space mapping algorithm,and the optimal position of the tuning screws are found by updating the input and output parameters of the surrogate model.Finally,the effectiveness of different methods is verified by an experiment with a nine order cross coupled filter.Experimental results show that,compared to a back propagation neural network method based on electromagnetic simulation and an SM method based on a least squares support vector machine,the proposed method has obvious advantages in terms of tuning accuracy and tuning time.

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来源
《工程与科学中的计算机建模（英文）》 |2018年第9期|P.433-453|共21页
作者
Shengbiao Wu; Weihua Cao; Can Liu; Min Wu;
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作者单位

School of Automation China University of Geoscience Wuhan Hubei 430074 China;

Nanchang Institute of Science and Technology.Nanchang Jiangxi 330100 China;

The Hubei key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Wuhan Hubei 430074 China;

School of Automation China University of Geoscience Wuhan Hubei 430074 China;

The Hubei key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Wuhan Hubei 430074 China;

School of Automation China University of Geoscience Wuhan Hubei 430074 China;

The Hubei key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Wuhan Hubei 430074 China;

School of Automation China University of Geoscience Wuhan Hubei 430074 China;

The Hubei key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Wuhan Hubei 430074 China;

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原文格式 PDF
正文语种 chi
中图分类自动化基础理论;
关键词
Computer-aided tuning; T-S FNN; S-parameters; coupling matrix;

机译：计算机辅助调谐;T-S Fnn;S参数;耦合矩阵;

A Computer-Aided Tuning Method for Microwave Filters by Combing T-S Fuzzy Neural Networks and Improved Space Mapping

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