吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (5): 1258-1263.doi: 10.7964/jdxbgxb201405006

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Prediction of the dynamic crosstalk of automotive wiring hardness

GAO Yin-han1,WANG Tian-hao1,YANG Kai-yu1,ZHANG Jun-dong1,FAN Kuan-gang2,ZHU Yu3   

  1. 1.State Key Laboratory of Automotive Simulation and Control,Jilin University,Changchun 130022,China;
    2.College of Mechanical & Electrical Engineering,Jiangxi University of Science and Technology,Ganzhou 341000, China;
    3.College of Instrumentation& Electrical Engineering,Jilin University,Changchun 130061,China
  • Received:2013-12-24 Online:2014-09-01 Published:2014-09-01

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Abstract: Different installation methods and different moving states of automobile can bring randomness to the relative position of wire in automobile wiring harness and ground height of wiring hardness. A statistic model is proposed to calculate the dynamic crosstalk of automobile wiring harness under the low frequency. The image method is employed to acquire the unit length distribution parameters of the wire with insulation layer, and the principle of statistics is applied to infer the mean value and variance of the dynamic crosstalk of wiring harness. The reasonable worst-case crosstalk value calculated by the proposed model is compared with the 273 times simulation results of random displacement spline interpolation to verify the accuracy and reliability of the model. The proposed statistic model can also adjust the relevant parameters flexibly according to practical situation and realize rapid prediction, which provide the basis to the design of vehicle electromagnetic compatibility. The model has very important practical significance.

Key words: vehicle engineering, automotive wiring harness, crosstalk, randomness, statistical model

CLC Number: 

  • TM930.11
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