光学反射计技术在舰载机上的适用性及推荐

E. Tegge
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引用次数: 2

摘要

目前,海军飞机光纤系统内部的故障定位需要维修人员断开光链路插入测试设备。这个过程改变的配置往往掩盖了故障,并使光纤链路暴露于额外的污染,需要大量的时间来实施。提出的解决方案是在光纤收发器中安装光功率监测器和反射计。发射机的光功率监视器可以识别发射机的健康状况。反射计能够对互连光纤中的故障进行空间识别。接收器的功率监视器,加上发射器功率监视器和反射计的结果,可以识别接收器的健康状况。这种光纤内置测试(BIT)设备可以由飞机的诊断和健康监视器(DHM)系统远程激活,并通过DHM从一个简单的用户输入报告结果。这种能力可以在几秒钟内自动测试飞机内的所有光纤链路,而不会对光纤系统的任何元件产生任何物理变化。最终的报告将确定故障的发射器、接收器,以及飞机互连光纤中故障的空间位置。哈里斯公司由NAVAIR通过宾夕法尼亚州立大学资助,研究实施这种BIT系统的技术可行性,并推荐一种光学反射计的技术方法。本文介绍了这些结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Applicability and recommendation of optical reflectometer technology on naval aircrtaft
Fault location identification within the fiber optic systems of naval aircraft currently requires maintenance personnel to break the optical link to insert test equipment. This procedure changes the configuration which often masks the failure and exposes the fiber link to additional contamination and requires significant time for implementation. The proposed solution to this problem is to build optical power monitors and a reflectometer into the fiber optic transceivers. The transmitter's optical power monitor enables identification of the transmitter's health. The reflectometer enables spatial identification of a failure in the interconnecting fibers. The receiver's power monitor, coupled with the results of the transmitter power monitor and reflectometer, enables identification of the receiver's health. This fiber optic Built-in-Test (BIT) equipment could be remotely activated by the aircraft's Diagnostics and Health Monitor (DHM) system and the results reported via the DHM from a simple user input. This capability enables automatic test of all fiber optic links within the aircraft in seconds without any physical changes to any elements of the fiber system. The resulting report would identify failed transmitters, receivers, and the spatial location of failures in the aircraft's interconnecting fiber. Harris Corporation was funded by NAVAIR through Penn State University to study the technical feasibility of implementing such a BIT system and to recommend a technical approach of the optical reflectometer. This paper presents these results.
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