电工技术学报2018，Vol.33Issue(8)：1663-1673,11.DOI:10.19595/j.cnki.1000-6753.tces.161678
基于三阈值概率分布的多导体传输线电磁参数特性
Characteristics of Electromagnetic Parameters of Multiconductor Transmission Lines Based on Three-Threshold Probability Distribution
摘要
Abstract
The random characteristics of wire electromagnetic parameters are key factors to predict the crosstalk of multiconductor transmission lines (MTL). Combining finite element method (FEM) with probability statistical method, this paper establishes a numerical calculation model of MTL by Ansys software. According to the structure characteristics of cross section of transmission lines, the simulation model is simplified and the extraction method of electromagnetic parameter matrix of per-unit length is optimized. The effectiveness and feasibility are both verified by cases. Based on the principle of probability statistics, the probability distribution of electromagnetic parameters can be obtained by piecewise convolution method. Besides, a probability distribution algorithm taking three thresholds as the converge condition is proposed and verified. Compared the theoretical results with experimental ones, the proposed prediction method possesses the following advantages: simple and easy to operate, good versatility and high accuracy. It is shown the proposed method is an effective method to predict the crosstalk of MTL.关键词
多导体传输线/寄生参数/概率分布/有限元法Key words
Multiconductor transmission lines/parasitic parameters/probability distribution/finite element method (FEM)分类
信息技术与安全科学引用本文复制引用
赵亮,王世山,娄千层,张昭,颜伟..基于三阈值概率分布的多导体传输线电磁参数特性[J].电工技术学报,2018,33(8):1663-1673,11.基金项目
航空科学基金(20142552023),江苏省自然基金(BK20161019),南京航空航天大学研究生创新实验基地(实验室)开放基金(kfjj20160310)和中央高校基本科研业务费专项资金资助项目. （20142552023）
