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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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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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

CLC Number: 

  • U467.5
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