吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (2): 392-399.doi: 10.13229/j.cnki.jdxbgxb201702007

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基于Implicit Wendroff差分格式的汽车线束导线串扰时域瞬态响应分析

王天皓1, 高印寒2, 高乐1, 安占扬1, 马喜来3, 杨开宇2   

  1. 1.吉林大学 仪器科学与电气工程学院,长春 130061;
    2.吉林大学 汽车仿真与控制国家重点实验室,长春 130022;
    3.中国第一汽车股份有限公司 技术中心,长春 130011
  • 收稿日期:2015-06-30 出版日期:2017-03-20 发布日期:2017-03-20
  • 通讯作者: 杨开宇(1971-),男,副教授,博士.研究方向:汽车电子,电磁兼容及车辆测试技术.E-mail:yangky@jlu.edu.cn
  • 作者简介:王天皓(1988-),男,在站博士后.研究方向:汽车的电磁兼容性.E-mail:wangtianhao2006@126.com
  • 基金资助:
    吉林省自然科学基金项目(20150101029JC); 高等学校博士学科点专项科研基金项目(2011061110059).

Time-domain transient response analysis of auto-harness-wire crosstalk based on Implicit Wendroff difference scheme

WANG Tian-hao1, GAO Yin-han2, Gao Le1, AN Zhan-yang1, MA Xi-lai3, YANG Kai-yu2   

  1. 1.College of Instrumentation & Electrical Engineering, Jilin University, Changchun 130061, China;
    2.State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    3.R&D Center,FAW Group Corporation, Changchun 130011, China
  • Received:2015-06-30 Online:2017-03-20 Published:2017-03-20

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摘要： 介绍了一种具有Implicit Wendroff差分格式的时域有限差分法,将其应用于汽车线束导线串扰的时域瞬态响应分析。由于该方法包含了隐式人工粘性项,可在一定程度上削弱由空间坐标离散化而产生的间断解处的非物理性振荡现象,提高了计算结果的准确性,同时由于不受稳定性条件的限制,使其计算效率得到大幅度提高。通过应用于非均匀双导体传输线系统和均匀三导体传输线系统的数值实验可知,在保证计算精度的同时,与传统的Leapfrog差分格式和显式Lax-Wendroff差分格式进行对比,其计算效率分别提高了60%和70%左右,明显优于其他两种方法。同时,本文给出了传输线上电压和电流的时空分布三维图,直观地表示出了传输线上电压和电流与时间和空间位置的变化关系。

关键词: 车辆工程, Implicit Wendroff差分格式, 串扰, 时域瞬态分析

Abstract: A time-domain finite difference method with implicit Wendroff difference format is proposed, which can be applied to the time-domain transient response analysis of auto-harness-wire crosstalk. Because of containing implicit artificial viscous term, this method can weaken non-physical oscillation phenomenon in discontinuous solutions in some degree, which is caused by the discretization of spatial coordinates, thus improving the accuracy of the calculation results. At the same time, being free of stability conditions, its calculation efficiency is greatly raised. In numerical experiments of non-uniform double conductor transmission line system and three conductor transmission line system, under the premise of ensuring the accuracy of calculation, the computational efficiency is improved by about 60% and 70% respectively, which are obviously superior to other two methods. Three dimensional figures of time-space current and voltage distributions on the three cables are given, all of which intuitively and clearly show the change of time and space position relations for current and voltage on transmission line.

Key words: vehicle engineering, Implicit Wendroff difference format, crosstalk, time-domain transient response analysis

中图分类号: 

  • U467.5
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