2018
DOI: 10.21833/ijaas.2018.01.021
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Extracting accurate time domain features from vibration signals for reliable classification of bearing faults

Abstract: Identification of localized faults in rolling element bearing (REB) frequently utilizes vibration-based pattern recognition (PR) methods. Time domain (TD) statistical features are often part of the diagnostic models. The extracted statistical values are, however, influenced by the fluctuations present in random vibration signals. These inaccurate values consequently affect the diagnostic capability of the supervised learning based classifiers. This study examines the sensitivity of TD features to signal fluctu… Show more

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Cited by 7 publications
(4 citation statements)
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“…This technology has been applied in different fields. In fruit recognition, researchers applied deep learning convolutional neural networks (CNN) to the visual techniques of agricultural robots (Yang et al, 2016;Bargoti and Underwood, 2017;Chen et al, 2017;Rahnemoonfar and Sheppard, 2017;Tahir and Badshah, 2018). Hou et al (2016) developed a fruit recognition algorithm based on a CNN.…”
Section: Deep Learning Methodsmentioning
confidence: 99%
“…This technology has been applied in different fields. In fruit recognition, researchers applied deep learning convolutional neural networks (CNN) to the visual techniques of agricultural robots (Yang et al, 2016;Bargoti and Underwood, 2017;Chen et al, 2017;Rahnemoonfar and Sheppard, 2017;Tahir and Badshah, 2018). Hou et al (2016) developed a fruit recognition algorithm based on a CNN.…”
Section: Deep Learning Methodsmentioning
confidence: 99%
“…Statistical features (STF) derived from the time domain representation of signals find application in various domains [48][49][50][51], including the detection and classification of lung sounds [52,53]. Within these features, distribution features like mean and standard deviation are employed to differentiate bimodal distributed sounds like a wheeze, while high-order statistical features such as skewness and kurtosis help distinguish non-periodic sounds like a crackle [45].…”
Section: Extracted Featuresmentioning
confidence: 99%
“…The common frequencies generated in rolling element bearings are the fundamental train frequency (FTF), ball pass frequency of inner race (BPFI), ball pass frequency of outer race (BPFO), and ball spin frequency (BSF). They were calculated using the below equations [15]. The common rolling element bearings geometry consists of four components: the outer race, inner race, ball, and cage involved in producing the fault frequencies [3].…”
Section: Characteristic Defect Frequenciesmentioning
confidence: 99%