汽车线束的动态串扰特性预测

doi:10.7964/jdxbgxb201405006

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

汽车线束的动态串扰特性预测

高印寒¹, 王天皓¹, 杨开宇¹, 张俊东¹, 樊宽刚², 朱宇³

1.吉林大学汽车仿真与控制国家重点实验室, 长春 130022;
2.江西理工大学机电工程学院, 江西赣州 341000;
3.吉林大学仪器科学与电气工程学院, 长春 130061

收稿日期:2013-12-24 出版日期:2014-09-01 发布日期:2014-09-01
通讯作者: 杨开宇(1971),男,副教授.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:高印寒(1951), 男, 教授, 博士生导师.研究方向:车辆测试技术及仪器.E-mail:yinhan@jlu.edu.cn
基金资助:
高等学校博士学科点专项科研基金项目(20110061110059); 吉林省科技发展计划重点项目(20110326); 江西省教育厅青年基金项目(GJJ12353).

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.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

摘要/Abstract

摘要： 针对汽车线束中导线相对位置和线束对地高度参数以及由于不同的安装方式和汽车不同的运动状态带来的随机性,提出了一种在低频下用来计算汽车线束动态串扰的统计学模型。利用镜像法计算获得了带有绝缘层导线的单位长度分布参数,运用统计学原理推导得到了线束动态串扰的均值与方差,并将计算所得合理的最差串扰值与273次随机中点布置样条插值法(RDSI)仿真结果进行了对比,验证了模型的准确性和可靠性。所建立的线束动态串扰统计模型可以根据实际情况灵活调整相关参数,实现快速预测,为车辆电磁兼容性设计提供依据。

关键词: 车辆工程, 汽车线束, 串扰, 随机性, 统计模型

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

中图分类号:

TM930.11

高印寒, 王天皓, 杨开宇, 张俊东, 樊宽刚, 朱宇. 汽车线束的动态串扰特性预测[J]. 吉林大学学报(工学版), 2014, 44(5): 1258-1263.

GAO Yin-han,WANG Tian-hao,YANG Kai-yu,ZHANG Jun-dong,FAN Kuan-gang,ZHU Yu. Prediction of the dynamic crosstalk of automotive wiring hardness[J]. 吉林大学学报(工学版), 2014, 44(5): 1258-1263.

参考文献

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汽车线束的动态串扰特性预测

Prediction of the dynamic crosstalk of automotive wiring hardness

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