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Optimizing the Design of Avionics Lightning Suppression Circuits.

机译:优化航空电子雷电抑制电路的设计。

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摘要

This dissertation documents research into optimizing the design of lightning suppression circuits for electronic equipment used on aircraft (avionics). Aircraft manufacturers are increasingly using carbon composite material for the fabrication of the airframe instead of aluminum, and avionics have become more integrated. This has resulted in avionics with higher signal density at the interface being exposed to transients with wider pulse widths and increased levels from the indirect effects of lightning. This dissertation details the development of techniques to select the smallest components and minimum printed circuit board trace dimensions that can tolerate given lightning transient levels. Also, there is a desire to upgrade existing avionics to tolerate the more severe indirect effects of lightning requirements for composite aircraft. This requires evaluation of the immunity of existing designs to new transient levels and different waveforms than those to which they are certified. This evaluation determines if additional protection is needed. The evaluation technique is described, and methods for providing additional protection are given within this document. Lastly, graphical user interfaces (GUI) are created to perform all of the calculations for component selection, minimum PCB trace width, and the first step in evaluating existing designs against new requirements.
机译:本论文研究了飞机电子设备(航空电子设备)的雷电抑制电路的优化设计研究。飞机制造商越来越多地使用碳复合材料代替铝来制造机身,航空电子设备也变得更加集成。这导致在界面处具有较高信号密度的航空电子设备受到瞬态的影响,该瞬变具有更宽的脉冲宽度和雷电的间接作用而导致电平增加。本文详细介绍了可以选择可承受给定雷电瞬变电平的最小元件和最小印刷电路板走线尺寸的技术的发展。此外,还希望对现有的航空电子设备进行升级,以承受复合飞机雷击要求的更严重的间接影响。这就要求评估现有设计对新的瞬态电平和不同于其认证的波形的抗扰性。该评估确定是否需要其他保护。本文介绍了评估技术,并在本文档中提供了提供额外保护的方法。最后,创建图形用户界面(GUI)以执行所有计算,以进行组件选择,最小PCB迹线宽度以及根据新要求评估现有设计的第一步。

著录项

  • 作者

    McCreary, Clay Allen.;

  • 作者单位

    Florida Institute of Technology.;

  • 授予单位 Florida Institute of Technology.;
  • 学科 Engineering Electronics and Electrical.;Engineering Aerospace.
  • 学位 Ph.D.
  • 年度 2013
  • 页码 136 p.
  • 总页数 136
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 农学(农艺学);
  • 关键词

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