Fault Feature Extraction Method of Rolling Bearing Based on IAFD and TKEO

<div>Variation curve of index with the number of decomposition levels in case of outer ring failure: (a) variation of a single indicator with the number of decomposition levels; (b) variation of joint index SP with the number of decomposition levels.</div>

Journal of Sensors

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Figure 12

Figure 12: Fault Feature Extraction Method of Rolling Bearing Based on IAFD and TKEO 