| 汽车线束导线间寄生电容及串扰的解析预测模型 |
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| 引用本文： | 高印寒,王瑞宝,马玉刚,王莹莹,杨开宇.汽车线束导线间寄生电容及串扰的解析预测模型[J].吉林大学学报(工学版),2011(Z1):144-149. |
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| 作者姓名： | 高印寒 王瑞宝 马玉刚 王莹莹 杨开宇 |
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| 作者单位： | 吉林大学汽车仿真与控制国家重点实验室;吉林大学仪器科学与电气工程学院;中国人民解放军92571部队;吉林大学物理学院;长春市第二中等专业学校; |
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| 基金项目： | 吉林省科技发展计划项目(20080532) |
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| 摘 要： | 应用镜像法把非均匀介质空间变换成无限大均匀介质空间,依靠电磁场理论得到非均匀介质导线束缚电荷与自由电荷的关系,推导出汽车线束内有绝缘层的非均匀介质导线单位长度寄生电容解析模型,并计算相应串扰。以某汽车线束为例,分别用推导的解析公式和EMC Studio软件对线束单位长度寄生电容和串扰进行了计算比较,验证了解析公式的正确性。本文解析模型方便、简单,能够在缺少完整信息的初期设计阶段,快速预测寄生电容和串扰,适用于汽车静态时线束内导线确定性几何布置和动态时的随机性几何布置。
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| 关 键 词： | 仪器科学与技术 预测模型 解析方法 寄生电容 串扰 几何布置 绝缘导线 汽车线束 |
Analytical prediction of parasitic capacitance and crosstalk in automotive cable bundles |
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| GAO Yin-han,WANG Rui-bao,MA Yu-gang,WANG Ying-ying,YANG Kai-yu.Analytical prediction of parasitic capacitance and crosstalk in automotive cable bundles[J].Journal of Jilin University:Eng and Technol Ed,2011(Z1):144-149. |
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| Authors: | GAO Yin-han WANG Rui-bao MA Yu-gang WANG Ying-ying YANG Kai-yu |
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| Affiliation: | GAO Yin-han1,WANG Rui-bao2,3,MA Yu-gang4,WANG Ying-ying5,YANG Kai-yu1(1.State Key Laboratory of Automobile Simulation and Control,Jilin University,Changchun 130022,China,2.College of Instrumentation & Electrical Engineering,3.Unit 92571 of PLA,Sanya 572021,4.College of Physics,5.Second Secondary School Changchun,Changchun 130051,China) |
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| Abstract: | The space full of inhomogeneous media was turned into the infinite space full of homogeneous media using the method of image,and the relation between the bound charges and the free charges on the conductors inside the homogeneous media on the basis of the theory of electromagnetic field,then the analytical model of the per unit length parasitic parameter of insulated conductors in cable bundles was derived and the relevant crosstalk was also estimated.The results of p.u.l parasitic parameter and the crossta... |
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| Keywords: | technology of instrument and meter prediction model analytical method parasitic capacitance crosstalk harness geometry insulated conductor automotire cable bundles |
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