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Image-based Flight Data Recording for United States Air Force Aircraft

机译:基于图像的飞行数据记录美国空军飞机

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Flight data recorders (FDRs) play a critical role in determining root causes of military aviation mishaps. Some United States Air Force (USAF) aircraft record limited amounts of information during flight (e.g. T-1 Jayhawk), while others have no FDR on board the aircraft (B-52 Stratofortress). This study explores the use of image-based flight data recording to overcome a lack of available digitally-recorded FDR data. In this work, images of simulated cockpit gauges were unwrapped vertically, and 2-D cross-correlation was performed on each image of the unwrapped gauge and an template of the unwrapped gauge needle. Points of high correlation between the two images were used to locate the gauge needle, and interpolation and extrapolation were performed (based on known pixel locations of gauge tick marks) to quantify the value to which the gauge needle pointed. Results suggest that image-based flight data recording could provide key support to USAF mishap investigations when aircraft lack sufficient FDR data.
机译:飞行数据录像机(FDRS)在确定军航犯罪行为的根本原因方面发挥着关键作用。一些美国空军(USAF)飞机在飞行期间记录有限的信息(例如T-1 Jayhawk),而其他人则没有船上的FDR(B-52 Stratofortress)。本研究探讨了使用基于图像的飞行数据记录,以克服缺乏可用的数字录制的FDR数据。在这项工作中,模拟驾驶舱仪的图像垂直拼写,并且在未包装的计的每个图像和未包装的计针的模板上进行2-D互相关。两种图像之间的高相关点用于定位测量针,并进行插值和外推(基于仪表刻度标记的已知像素位置),以量化计量针指向的值。结果表明,当飞机缺乏足够的FDR数据时,基于图像的飞行数据记录可以为USAF Mishap调查提供关键支持。

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