Gongzhi Yu

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This paper proposes a new AND-OR fuzzy neural networks (AND-OR FNN) based on the AND and the OR neurons, which are made up of T norm and S norm and have the ability to reduce the input space. Zadeh's operators are employed in order to infer the symbolic expression of every layer. A piecewise hybrid optimization approach is proposed to train the fuzzy neural(More)
In order to accurately analyze conditions of a large two-stroke diesel engine main bearing lubrication, the finite element method and nonlinear multi-body dynamics were combined. Using of AVL Excite software, the elastohydrodynamic (EHD) coupling analysis model were established for main bearing lubrication. The main bearing vertical load, orbital path and(More)
To meet the strict requirement of International Marine Organization (IMO) Tier III regarding emission from marine diesel engines, many researchers have been conducted at marine vessels to reduce exhaust emissions from large diesel engines. This paper introduces many methods to control emission of NOx. Based on some particular types of engines, the emphasis(More)
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