Fault Diagnosis of Rolling Bearing Based on Fast Nonlocal Means and Envelop Spectrum
AbstractThe nonlocal means (NL-Means) method that has been widely used in the field of image processing in recent years effectively overcomes the limitations of the neighborhood filter and eliminates the artifact and edge problems caused by the traditional image denoising methods. Although NL-Means is very popular in the field of 2D image signal processing, it has not received enough attention in the field of 1D signal processing. This paper proposes a novel approach that diagnoses the fault of a rolling bearing based on fast NL-Means and the envelop spectrum. The parameters of the rolling bearing signals are optimized in the proposed method, which is the key contribution of this paper. This approach is applied to the fault diagnosis of rolling bearing, and the results have shown the efficiency at detecting roller bearing failures. View Full-Text
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Lv, Y.; Zhu, Q.; Yuan, R. Fault Diagnosis of Rolling Bearing Based on Fast Nonlocal Means and Envelop Spectrum. Sensors 2015, 15, 1182-1198.
Lv Y, Zhu Q, Yuan R. Fault Diagnosis of Rolling Bearing Based on Fast Nonlocal Means and Envelop Spectrum. Sensors. 2015; 15(1):1182-1198.Chicago/Turabian Style
Lv, Yong; Zhu, Qinglin; Yuan, Rui. 2015. "Fault Diagnosis of Rolling Bearing Based on Fast Nonlocal Means and Envelop Spectrum." Sensors 15, no. 1: 1182-1198.