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Mathematical Problems in Engineering
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2022
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Article
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Tab 1
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Research Article
Bearing Fault Feature Extraction Method Based on GA-VMD and Center Frequency
Table 1
The root mean square error of the two optimization algorithms and manual parameter setting-VMD.
ā
GA-VMD
PSO-VMD
Manual parameter setting-VMD
RMSE
0.2104
0.2143
1.0001
0.2131
0.6326
0.2568