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1. 发明授权

US07979192B2 Aircraft-engine trend monitoring system 有权
标题翻译：飞机发动机趋势监测系统
公开(公告)号：US07979192B2
公开(公告)日：2011-07-12
申请号：US11693834
申请日：2007-03-30
申请人： Brian D. Morrison , Stephan A. Hanvey , Ronald E. Wilkinson
发明人： Brian D. Morrison , Stephan A. Hanvey , Ronald E. Wilkinson
IPC分类号： G01C23/00
CPC分类号： F02D41/22 , G05B23/0232 , G07C5/085 , Y02T10/40
摘要： Methods and systems for aircraft engine trend monitoring include periodically recording the outputs of engine-condition sensors and analyzing the results to examine piston-engine performance trends and predict the need for engine maintenance. Various analyses can be performed, separately or in parallel, including comparing the current parameter values with values recorded for that parameter in previous instances of similar operating conditions; comparing parameter values to predetermined nominal ranges; and detecting parameter values that exhibit trends over time that if followed would result in out-of-bound readings. Sensed parameter values can also be used to detect when recommended engine operating conditions are being exceeded. By using the results of the analyses to inform engine maintenance scheduling and provide alerts to the pilot and maintenance staff regarding recommended engine performance trends and/or operating condition exceedances, the methods and systems contribute to enhancing the level of safety that can be achieved despite significant maintenance-budget reductions.
摘要翻译：飞机发动机趋势监测的方法和系统包括定期记录发动机状态传感器的输出并分析结果，以检查活塞发动机性能趋势并预测发动机维护的需要。可以单独地或并行地执行各种分析，包括将当前参数值与在先前相似操作条件下的该参数记录的值进行比较; 将参数值与预定的标称范围进行比较; 并检测出随时间呈现趋势的参数值，如果遵循，将导致超限读数。传感参数值也可用于检测何时超过推荐的发动机工作条件。通过使用分析结果来通知发动机维护计划，并向飞行员和维护人员提供关于推荐的发动机性能趋势和/或运行状况超标的警报，该方法和系统有助于提高尽可能实现的安全性水平维护预算削减。

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