National Taiwan Ocean University Institutional Repository:Item 987654321/34228
English  |  正體中文  |  简体中文  |  全文笔数/总笔数 : 26988/38789
造访人次 : 2318062      在线人数 : 31
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
搜寻范围 进阶搜寻

jsp.display-item.identifier=請使用永久網址來引用或連結此文件: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/34228

题名: A Novel Signal Processing Approach for Valve Health Condition Classification of aReciprocating Compressor with Seeded Faults Considering Time-Frequency Partitions
作者: Yih-Hwang Lin;Wen-Sheng Lee;Chung-Yung Wu
林益煌;李文生;吳崇勇
贡献者: NTOU:Department of Mechanical and Mechatronic Engineering
國立臺灣海洋大學:機械與機電工程學系
关键词: automated condition classification, reciprocating compressor, time-frequency analysis
日期: 2012-12
上传时间: 2013-10-07T02:07:54Z
出版者: Journal of Marine Science and Technology
摘要: This study deals with a novel signal processing approach for automated valve condition classification of a reciprocating compressor with seeded faults. The classification system consists of a front end time-frequency analysis platform for the vibration signal measured, fault feature vectors for making the formidable amount of time-frequency data manageable, and a probabilistic neural network for automatic classification without the intervention of human experts. Rather than representing each time-frequency data set with one single feature vector comprising three indices, namely time, frequency, and amplitude,the time-frequency plane is further partitioned into an appropriate number of sub-regions to enhance the characteristics representation of the time-frequency data. This study shows that a flawless classification can be realized by using the proposed approach with appropriate selections of index modification method and number of time-frequency sub-regions without resorting to the removal of similar fault cases.
URI: http://ntour.ntou.edu.tw/handle/987654321/34228
显示于类别:[機械與機電工程學系] 期刊論文

文件中的档案:

没有与此文件相关的档案.



在NTOUR中所有的数据项都受到原著作权保护.

 


著作權政策宣告: 本網站之內容為國立臺灣海洋大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,請合理使用本網站之內容,以尊重著作權人之權益。
網站維護: 海大圖資處 圖書系統組
DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - 回馈