汽车线束的串扰建模

W.T. Smith, C. R. Paul, J. S. Savage, S.K. Das, A. Cooprider, R. K. Frazier
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引用次数: 17

摘要

汽车线束用于传输各种各样的信号,从低电平控制信号到直流电机的大电流信号。电缆线束上的串扰是这些典型的紧密包装电缆束的潜在问题。对串扰进行精确的计算机建模可以在设计过程的早期识别潜在的串扰问题。减少线束设计时间可以通过减少原型线束的数量和相应的经验测试来实现。这转化为给定线束设计的直接成本节约。在这项研究中,串扰建模的汽车线束进行了评估。通常,线束数据存在于CAE/CAD车辆布局工具中。然而,线束横截面内导线分布的信息通常是不可用的。然后必须对线束横截面内导线的分布进行假设。本文概述了本研究中所作的假设,并对其对预测的影响进行了评估。给出了计算结果,并与原型线束的实验数据进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Crosstalk modeling for automotive harnesses
Automotive wiring harnesses are used to transmit a wide variety of signals which range from low level control signals to high current signals for DC motors. Crosstalk on the cable harnesses is a potential problem for these typically tightly-packed cable bundles. Accurate computer modeling of the crosstalk allows for identification of potential crosstalk problems early in the design process. Decreased harness design time can be achieved by reducing the number of prototype harnesses constructed and the corresponding empirical testing. This translates into a direct cost savings for a given harness design. In this study, crosstalk modeling for an automotive wiring harness is evaluated. In general, harness data exist within a CAE/CAD vehicle layout tool. Information is usually not available, however, for the distribution of wires within a cross section of the harness. Assumptions then have to be made concerning the distribution of wires within a harness cross section. The assumptions made during this study are outlined and their impact on the predictions is evaluated. Computed results are presented and are compared to experimental data from prototype harnesses.<>
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