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首页> 外文会议>American Helicopter Society Flight controls and crew systems design technical specialists' meeting >ALGORITHMIC ICING DETECTION FOR THE V-22 OSPREY
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ALGORITHMIC ICING DETECTION FOR THE V-22 OSPREY

机译：V-22 OSPREY的算法结冰检测

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摘要

Recent Navy-sponsored work is described, under which an algorithmic approach toward detection of icingrnconditions on the V-22 aircraft was developed. Assessment of a whole-aircraft systems approach to ice detectionrnfor the V-22 Tiltrotor has shown that use of a model-based methodology of Fault Detection Filtering andrnIdentification (FDF/FDI) (previously developed for complex control systems) is an attractive and viable means forrndetecting the presence of accreted ice on airframe components that impact overall flight performance. Simulationrnstudies of V-22 aircraft operation in icing have shown that the trends in icing buildup, and subsequent performancerndegradation of the aircraft, are directly coupled with the flight control unit, pilot, and/or any other system thatrnattempts to compensate for the diminishing performance of the aircraft as it collects ice. Design of the FaultrnDetection Filters (FDFs) for sensing the ice accretion is shown to be relatively straightforward, with tradeoffsrnrequired between sensitivity of detection threshold and performance sensor noise levels. These results suggestrnthat enhanced ice detection may be possible for this aircraft without requiring the installation of additionalrninstrumentation.
机译：描述了海军最近的工作，在此工作下，开发了一种算法方法来检测V-22飞机的结冰情况。对V-22倾转旋翼飞机全机冰检测方法的评估表明，使用基于模型的故障检测过滤和识别（FDF / FDI）方法（以前是为复杂控制系统开发的）是一种有吸引力且可行的方法探测在机身部件上是否存在积冰，从而影响总体飞行性能。 V-22飞机在结冰过程中的仿真研究表明，结冰趋势和飞机随后的性能下降直接与飞行控制单元，飞行员和/或试图补偿飞机性能下降的任何其他系统结合在一起。飞机积冰。用来检测积冰的故障检测滤波器（FDF）的设计显示相对简单，需要在检测阈值的灵敏度和性能传感器的噪声水平之间进行权衡。这些结果表明，该飞机可能需要增强的冰检测能力，而无需安装其他仪器。

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