车载电子布线系统辐射预测建模中 PEEC 方法的模拟和应用研究

Anthony Bassesuka Sandoka Nzao
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引用次数: 0

摘要

电子供电系统和控制系统共存于同一机箱中,对集成于汽车、航空和航天领域的电子系统的正常运行构成严重威胁。因此,管理这些系统的电磁兼容性是一项挑战,特别是考虑到电磁现象。本文介绍了部分元件等效电路法的模拟研究和应用,以模拟车载电子电缆系统辐射发射的预测。在本文中,我们首先解释了部分单元等效电路建模方法的使用,然后描述了其数学公式,并介绍了它所考虑的与布线有关的不同电磁现象,然后提出了辐射计算电磁作为离散单元几何形状的函数,并考虑到频率的增加。目标是尽可能接近结构。为了兼顾所提方法的精度和速度,我们用等效容量代替了部分容量,从而大大减少了容量数量、系统复杂性和计算时间要求。该方案将部分元件等效电路方法应用于电缆结构等大型结构的研究,为电磁辐射模拟提供了一种高效、快速的方法。为了实现这一目标,我们将电磁波传播的物理规律与使用部分元素等效电路建模的方法联系起来,因为这种方法易于操作平面和电缆。我们基于所提出的模型开发了二维模拟,并通过比较程序结果的分形尺寸和实验所得的数字,验证了不同模型的一致性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study of the Simulation and Application of the PEEC Method for Modeling the Prediction of Emissions Radiated by the Onboard Electronic Wiring System
The coexistence of electronic power and control systems in the same box presents a serious threat to the proper functioning of electronic systems integrated into automobiles, aeronautics and space. Thus, managing the electromagnetic compatibility of these systems constitutes a challenge, particularly given electromagnetic phenomena. This paper describes a simulation study and application of the partial element equivalent circuit method to model the prediction of radiated emissions from the onboard electronic cable system. In this article, we first explain the use of the partial cell equivalent circuit modeling method, then describe its mathematical formulation and introduce the different electromagnetic phenomena it considers in connection with wiring, then propose radiation calculations electromagnetic as a function of the geometry of the discrete cells taking into account the increase in frequency. The goal is to get as close to the structure as possible. To balance the accuracy and speed of the proposed method, we replaced the partial capacities with the equivalent capacities so as to considerably minimize the number of capacities, the complexity of the system and the computational time requirement. This option adapts the partial element equivalent circuit method to the study of larger structures such as cable structures and provides an efficient and rapid way to simulate electromagnetic radiation. To achieve this objective, we have associated the physical laws of electromagnetic wave propagation with the method of modeling equivalent circuits using partial elements because it is easy to manipulate flat surfaces and cables. 2D simulations based on the proposed models were developed as well as the verification of the consistency of the different models, by comparing the fractal dimensions of the program results with those of the figures obtained experimentally.
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