Fault Diagnosis Method of Diesel Engine Based on Improved Structure Preserving and K-NN Algorithm

被引:0
|
作者
Li, Yu [1 ]
Han, Min [1 ]
Han, Bing [2 ]
Le, Xinyi [3 ]
Kanae, Shunshoku [4 ]
机构
[1] Dalian Univ Technol, Fac Elect Informat & Elect Engn, Dalian 116023, Peoples R China
[2] Shanghai Ship & Shipping Res Inst, State Key Lab Nav & Safety Technol, Shanghai 200135, Peoples R China
[3] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China
[4] Junshin Gakuen Univ, Dept Med Engn, Fac Hlth Sci, Fukuoka, Fukuoka, Japan
来源
基金
中国国家自然科学基金;
关键词
Diesel engine fault diagnosis; Feature extraction; Kernel Principal Component Analysis; Locality structure preserving; Modified K-NN;
D O I
10.1007/978-3-319-92537-0_75
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
The diesel engine fault data is nonlinear and it's difficult to extract the characteristic information. Kernel Principal Component Analysis (KPCA) is used to extract features of nonlinear data, only considering global structure. Kernel Locality Preserving Projection (KLPP) considers the local feature structure. So an improved algorithm for global and local structure preserving is proposed to extract the feature of data. The improved feature extraction algorithm combining KPCA and KLPP, avoids the loss of information considering the global and local feature structure and then uses the modified K-NN algorithm for fault classification. In this paper, the software AVL BOOST is used to simulate the faults of diesel engine. The simulation experiments indicate the proposed method can extract the feature vectors effectively, and shows good classification performance.
引用
收藏
页码:656 / 664
页数:9
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