A Novel Method of Frequency Band Selection for Squared Envelope Analysis for Fault Diagnosing of Rolling Element Bearings in a Locomotive Powertrain
Abstract
:1. Introduction
2. Review of the SK Method
3. The Algorithm of the New Method
4. Numerical Experiments
4.1. High Repetition Rate of Impacts with High SNR
4.2. High Repetition Rate of Impacts with a Low SNR
4.3. Interference of a Few Impulses in the SES
5. Actual Vibration Data Tests and Recommendation
5.1. Experiment of Outer Ring Defect with a Constant Speed
5.2. Experiment of Outer Ring Defect with a Slight Acceleration of the Speed
5.3. Experiment of Roller Defect with a Constant Speed
6. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Type | Inner Diameter | Outer Diameter | Roller Diameter 1 | Pitch Diameter 2 | Number of Rollers | Contact Angle |
---|---|---|---|---|---|---|
Value | 236 mm | 267 mm | 17.37 mm | 258.864 mm | 39 | 12° |
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Xu, L.; Chatterton, S.; Pennacchi, P. A Novel Method of Frequency Band Selection for Squared Envelope Analysis for Fault Diagnosing of Rolling Element Bearings in a Locomotive Powertrain. Sensors 2018, 18, 4344. https://doi.org/10.3390/s18124344
Xu L, Chatterton S, Pennacchi P. A Novel Method of Frequency Band Selection for Squared Envelope Analysis for Fault Diagnosing of Rolling Element Bearings in a Locomotive Powertrain. Sensors. 2018; 18(12):4344. https://doi.org/10.3390/s18124344
Chicago/Turabian StyleXu, Lang, Steven Chatterton, and Paolo Pennacchi. 2018. "A Novel Method of Frequency Band Selection for Squared Envelope Analysis for Fault Diagnosing of Rolling Element Bearings in a Locomotive Powertrain" Sensors 18, no. 12: 4344. https://doi.org/10.3390/s18124344
APA StyleXu, L., Chatterton, S., & Pennacchi, P. (2018). A Novel Method of Frequency Band Selection for Squared Envelope Analysis for Fault Diagnosing of Rolling Element Bearings in a Locomotive Powertrain. Sensors, 18(12), 4344. https://doi.org/10.3390/s18124344