Title
Unitary anomaly detection for ubiquitous safety in machine health monitoring
Abstract
Safety has always been of vital concern in both industrial and home applications. Ensuring safety often requires certain quantifications regarding the inclusive behavior of the system under observation in order to determine deviations from normal behavior. In machine health monitoring, the vibration signal is of great importance for such measurements because it includes abundant information from several machine parts and surroundings that can influence machine behavior. This paper proposes a unitary anomaly detection technique (UAD) that, upon observation of abnormal behavior in the vibration signal, can trigger an alarm with an adjustable threshold in order to meet different safety requirements. The normalized amplitude of spectral contents of the quasi stationary time vibration signal are divided into frequency bins, and the summed amplitudes frequencies over bin are used as features. From a training set consisting of normal vibration signals, Gaussian distribution models are obtained for each feature, which are then used for anomaly detection.
Year
DOI
Venue
2012
10.1007/978-3-642-34500-5_43
ICONIP (5)
Keywords
Field
DocType
normal behavior,normal vibration signal,inclusive behavior,unitary anomaly detection,machine health monitoring,abnormal behavior,different safety requirement,ubiquitous safety,vibration signal,ensuring safety,quasi stationary time vibration,machine behavior
Anomaly detection,Normalization (statistics),Pattern recognition,Bin,Computer science,ALARM,Unitary state,Gaussian,Artificial intelligence,Vibration,Amplitude
Conference
Volume
ISSN
Citations 
7667
0302-9743
2
PageRank 
References 
Authors
0.38
4
3
Name
Order
Citations
PageRank
Muhammad Amar121.73
Iqbal Gondal231648.05
Campbell Wilson3236.62