A method of fault detection and diagnosis based on time-frequency analysis
被引:0
|
作者:
Liang, YingBo
论文数: 0引用数: 0
h-index: 0
机构:
Zhoukou Normal Univ Zhou Kou, Dept Phys & Engireering, Zhoukou 466001, Peoples R ChinaZhoukou Normal Univ Zhou Kou, Dept Phys & Engireering, Zhoukou 466001, Peoples R China
Liang, YingBo
[1
]
Zhang, LiHong
论文数: 0引用数: 0
h-index: 0
机构:
Zhoukou Normal Univ Zhou Kou, Dept Phys & Engireering, Zhoukou 466001, Peoples R ChinaZhoukou Normal Univ Zhou Kou, Dept Phys & Engireering, Zhoukou 466001, Peoples R China
Zhang, LiHong
[1
]
Li, Jin
论文数: 0引用数: 0
h-index: 0
机构:
Zhoukou Normal Univ Zhou Kou, Dept Phys & Engireering, Zhoukou 466001, Peoples R ChinaZhoukou Normal Univ Zhou Kou, Dept Phys & Engireering, Zhoukou 466001, Peoples R China
Li, Jin
[1
]
机构:
[1] Zhoukou Normal Univ Zhou Kou, Dept Phys & Engireering, Zhoukou 466001, Peoples R China
来源:
MECHATRONICS AND INTELLIGENT MATERIALS II, PTS 1-6
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2012年
/
490-495卷
关键词:
EMD;
signal denoising;
signal analysis;
fault diagnosis;
INDICIAL RESPONSE;
STEP HYPOXIA;
D O I:
10.4028/www.scientific.net/AMR.490-495.1407
中图分类号:
TP [自动化技术、计算机技术];
学科分类号:
0812 ;
摘要:
In the paper the authors propose a combination of the EMD (empirical mode decomposition)method and the wavelet analysis to suppress the noise and fault detection and diagnosis, It adopts empirical mode decomposition to current signal,obtained a series of IMFs(Intrinsic Mode Function),removing the first IMF component to denosing,and then analyzed multi-scale,using signal become mutated have the maximum modulus determine the time that the failure appeared,the results show that this method determine the time that the failure appeared.
机构:
Hubei Univ Technol, Hubei Key Lab Solar Energy Efficient Utilizat & En, Wuhan 430068, Peoples R ChinaHubei Univ Technol, Hubei Key Lab Solar Energy Efficient Utilizat & En, Wuhan 430068, Peoples R China
Chang, Chun
Wang, Qiyue
论文数: 0引用数: 0
h-index: 0
机构:
Hubei Univ Technol, Hubei Key Lab Solar Energy Efficient Utilizat & En, Wuhan 430068, Peoples R China
Lvliang Power Supply Co, State Grid Shanxi Elect Power Co, Lvliang 033000, Shanxi, Peoples R ChinaHubei Univ Technol, Hubei Key Lab Solar Energy Efficient Utilizat & En, Wuhan 430068, Peoples R China
Wang, Qiyue
Jiang, Jiuchun
论文数: 0引用数: 0
h-index: 0
机构:
Hubei Univ Technol, Hubei Key Lab Solar Energy Efficient Utilizat & En, Wuhan 430068, Peoples R China
Sunwoda Co Ltd, Shenzhen 518100, Peoples R China
South China Univ Technol, Sch Elect Power, Guangzhou 510641, Peoples R ChinaHubei Univ Technol, Hubei Key Lab Solar Energy Efficient Utilizat & En, Wuhan 430068, Peoples R China
Jiang, Jiuchun
Jiang, Yan
论文数: 0引用数: 0
h-index: 0
机构:
Sunwoda Co Ltd, Shenzhen 518100, Peoples R China
South China Univ Technol, Sch Elect Power, Guangzhou 510641, Peoples R ChinaHubei Univ Technol, Hubei Key Lab Solar Energy Efficient Utilizat & En, Wuhan 430068, Peoples R China
Jiang, Yan
Wu, Tiezhou
论文数: 0引用数: 0
h-index: 0
机构:
Hubei Univ Technol, Hubei Key Lab Solar Energy Efficient Utilizat & En, Wuhan 430068, Peoples R ChinaHubei Univ Technol, Hubei Key Lab Solar Energy Efficient Utilizat & En, Wuhan 430068, Peoples R China
机构:
Xian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R ChinaXian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R China
Tang, Jiahui
Wu, Jimei
论文数: 0引用数: 0
h-index: 0
机构:
Xian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R China
Xian Univ Technol, Fac Printing Packing & Digital Media Engn, Xian 710054, Peoples R ChinaXian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R China
Wu, Jimei
Hu, Bingbing
论文数: 0引用数: 0
h-index: 0
机构:
Xian Univ Technol, Fac Printing Packing & Digital Media Engn, Xian 710054, Peoples R ChinaXian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R China
Hu, Bingbing
Qing, Jiajuan
论文数: 0引用数: 0
h-index: 0
机构:
Xian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R ChinaXian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R China