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Meng Ma, Zhirong Zhong, Zhi Zhai and Ruobin Sun
There are hundreds of various sensors used for online Prognosis and Health Management (PHM) of LREs. Inspired by the fact that a limited number of key sensors are selected for inflight control purposes in LRE, it is practical to optimal placement of redu...
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Xuyi Yuan, Yugang Fan, Chengjiang Zhou, Xiaodong Wang and Guanghui Zhang
The check valve is the core part of high-pressure diaphragm pumps. It has complex operation conditions and has difficulty characterizing fault states completely with its single feature. Therefore, a fault signal diagnosis model based on the kernel extrem...
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Li Ma, Ning Cao, Xiaoliang Feng, Jianping Zhang and Jingjing Yan
In a complex indoor environment, wireless signals are affected by multiple factors such as reflection, scattering or diffuse reflection of electromagnetic waves from indoor walls and other objects, and the signal strength will fluctuate significantly. Fo...
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Kai Zhao, Jia Song, Shaojie Ai, Xiaowei Xu and Yang Liu
Due to the harsh working environment, Near-Space Hypersonic Vehicles (NSHVs) have the characteristics of frequent faults, which seriously affect flight safety. However, most researches focus on active fault-tolerant control for actuator faults. In order ...
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Bishwajit Roy, Maheshwari Prasad Singh, Mosbeh R. Kaloop, Deepak Kumar, Jong-Wan Hu, Radhikesh Kumar and Won-Sup Hwang
Rainfall-runoff (R-R) modelling is used to study the runoff generation of a catchment. The quantity or rate of change measure of the hydrological variable, called runoff, is important for environmental scientists to accomplish water-related planning and ...
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Junjie Lu, Jinquan Huang and Feng Lu
Kernel extreme learning machine (KELM) has been widely studied in the field of aircraft engine fault diagnostics due to its easy implementation. However, because its computational complexity is proportional to the training sample size, its application in...
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Luis Aguirre,Mario Vergara,Ursula Kelm
Pág. 215
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Ursula Kelm,María E. Cisternas,Sonia Helle,David Méndez
Pág. 241 - 252
ABSTRACT. The diagenetic character of the sedimentary rocks 01 the Tertiary basin between Los Angeles and Osorno has been assessed according to its clay mineralogy and coal rank. Illite/smectite mixed layering varies between more than 90% and more than 7...
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Gabriela Rosales,Mario Vergara,Sonia Helle,Ursula Kelm,Jimena Cucurella,Ivonne Flores,Jorge Oyarzun
Pág. 229 - 235
ABSTRACT. Mineralogy and genesis of the combarbalita in Northern Chile. Combarbalita is the local name of an ornamental stone formed by advanced argillic alteration of volcanic materials. Combarbalita is mined as a decorative stone from quarries that are...
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