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1篇 您的检索式：作者名="Christopher MECHEFSKE"

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		题名	作者	年代	出处	被引量
	1	Multi-mode diagnosis of a gas turbine engine using an adaptive neuro-fuzzy system显示文摘Gas Turbine Engines(GTEs) are vastly used for generation of mechanical power in a wide range of applications from airplane propulsion systems to stationary power plants.The gaspath components of a GTE are exposed to harsh operating and ambient conditions, leading to several degradation mechanisms.Because GTE components are mostly inaccessible for direct measurements and their degradation levels must be inferred from the measurements of accessible parameters, it is a challenge to acquire reliable information on the degradation conditions of the parts in different fault modes.In this work, a data-driven fault detection and degradation estimation scheme is developed for GTE diagnostics based on an Adaptive Neuro-Fuzzy Inference System(ANFIS).To verify the performance and accuracy of the developed diagnostic framework on GTE data, an ensemble of measurable gas path parameters has been generated by a high-fidelity GTE model under(a) diverse ambient conditions and control settings,(b) every possible combination of degradation symptoms, and(c) a broad range of signal to noise ratios.The results prove the competency of the developed framework in fault diagnostics and reveal the sensitivity of diagnostic results to measurement noise for different degradation symptoms.	Houman HANACHI Jie LIU Christopher MECHEFSKE	2018	Chinese Journal of Aeronautics2018，31，1：	5

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