2018
DOI: 10.1016/j.jsv.2018.04.036
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Early fault diagnosis of rolling bearings based on hierarchical symbol dynamic entropy and binary tree support vector machine

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Cited by 146 publications
(90 citation statements)
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“…(8) After the mutant fruit flies were added to the population, formula (10) was used to select Swarmsize fruit flies to form a new population. K fruit flies were inoculated with the immune vaccine generated in step (5), and the immune selection was conducted according to the odor concentration value of individual fruit flies before and after vaccination. If the odor concentration value decreases, the corresponding individual will be retained; otherwise, the vaccine will be cancelled.…”
Section: Immune Fruit Fly Optimization Algorithmmentioning
confidence: 99%
See 1 more Smart Citation
“…(8) After the mutant fruit flies were added to the population, formula (10) was used to select Swarmsize fruit flies to form a new population. K fruit flies were inoculated with the immune vaccine generated in step (5), and the immune selection was conducted according to the odor concentration value of individual fruit flies before and after vaccination. If the odor concentration value decreases, the corresponding individual will be retained; otherwise, the vaccine will be cancelled.…”
Section: Immune Fruit Fly Optimization Algorithmmentioning
confidence: 99%
“…It is useful to diagnose the type of fault and the fault location before gearbox out of action. So, composite fault extraction of the gearbox is critical [4][5][6]. At present, the methods used in gearbox fault extraction include Wavelet transform (WT), Empirical mode decomposition (EMD), Local mean decomposition (LMD), and Ensemble empirical mode decomposition (EEMD), these methods successfully extract the fault information, but they will show their own weaknesses when extracting composite faults [7][8][9][10].…”
Section: Introductionmentioning
confidence: 99%
“…According to the definition of conditions, MMSE values of scale factor τ between 3 and 10 should be selected as a sensitive feature vector subset. Further evaluation is needed to assess the effectiveness of the proposed method based on the MMSE and GDE method, and this paper introduces the binary tree support vector machine (BTSVM) method [26] to [28] to evaluate four valve fault eigenvectors. To test this, 150 eigenvector samples were selected from each valve fault, and 100 were taken as training samples, other 50 as test samples.…”
Section: Fault Diagnosis For Reciprocating Compressor Valve Based Onmentioning
confidence: 99%
“…Studies on bearing-fault classification differ in two ways. The first type of studies covers different signal-processing techniques for the classification of bearing faults [7] and [13] or for feature extraction and selection from vibrational data, which are then used to enhance the results of an applied classification method [14]. Other studies mostly utilize the different classification methods to obtain better classification results [6] and [15].…”
Section: Introductionmentioning
confidence: 99%