圆形和扁平电缆结构抗超宽带干扰优化的基本方法

IF 0.9 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
Anton O. Belousov;Viktoriya O. Gordeyeva
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引用次数: 0

摘要

这封信讨论了基于两个标准对防止超宽带干扰的器件进行全面优化的方法,称为模态滤波器。这些器件可以采用具有不同数量导电层的带状n导体结构的形式,也可以采用电缆。在设计它们时,在优化过程中,开发人员需要同时考虑最终产品必须满足的几个因素(例如,在质量和尺寸参数最小的50- ω匹配路径中的干扰衰减水平)。这种结构优化的额外复杂性是由于它们的几何模型和示意图模型的可变性。因此,该工作详细介绍了优化索结构的主要方法,同时包括几个标准。作为全局优化算法,我们考虑了简单的遗传算法、进化策略和随机搜索方法。该准则包括幅度准则(结构输出处干扰电压的最小化)和与电路径的匹配准则(模态滤波器输入处有用高频信号反射的最小化)。作为需要优化的结构,我们采用了基于3芯圆缆和2芯扁缆的电缆结构。这封信比较了三种算法,突出了它们在优化电缆模态滤波器方面的优点、缺点、特点和局限性。最后,我们为使用优化算法提出了实用的建议,这些建议对噪声抑制电缆设备的设计者很有用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Basic Approaches to Optimization of Round and Flat Cable Structures for Protection Against Ultrawideband Interference
This letter discusses approaches to conducting comprehensive optimization of devices that protect against ultrawideband interference, known as modal filters, based on two criteria. These devices can take the form of strip N-conductor structures with a various number of conducting layers, as well as cables. When designing them, during optimization, developers need to simultaneously consider several factors (e.g., the level of interference attenuation in a 50- $\Omega $ matched path with minimal mass and dimensional parameters) that the final product must satisfy. Additional complexity in the optimization of such structures is due to the variability of geometric and schematic models of them. Thus, the work details the main approaches to optimizing cable structures, including simultaneously several criteria. As global optimization algorithms, we consider a simple genetic algorithm, evolutionary strategies, and a random search method. The criteria include the amplitude criterion (minimization of the interference voltage at the structure’s output) and the matching criterion with the electrical path (minimization of reflections of useful high-frequency signals at the modal filter input). As the structures to be optimized, we take cable structures based on 3-conductor round and 2-conductor flat cables. This letter compares three algorithms, highlighting their advantages, disadvantages, peculiarities, and limitations in optimizing cable modal filters. Finally, we present practical recommendations for the use of optimization algorithms that are useful for designers of noise-suppressing cable devices.
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