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Accelerometer sensors\nwere deployed at both the drive-end and fan-end of the\nhousing motors. Vibration signals were collected with 12\nKHz sampling rate under eight different operating conditions.\nParticularly, we have four different operating conditions\nwith different loading torques collected from the drive end,\ndenoted as domain A, B, C, and D. Similarly, we have\nother four operating conditions collected from the fan-end of\nthe motor, denoted as domain F, G, H, and I. For each operating\ncondition, there is one healthy state and three faulty\nstates, namely, inner fault (IF), outer fault (OF), and bearing\nfault (BF). Each faulty state has three levels of severity\nwith dimensions of 7, 14, 21 mil. In total, we have 10 classes\nwith 1 healthy class and 9 faulty classes. To prepare the data\nfor our experiments, we partitioned the sensor readings into\nsmaller samples using sliding windows with a fixed length\nof 4,096 and the shifting step of 290, which is widely used\nin previous studies (Zhang et al. 2017; Ragab et al. 2021).\nOverall, we can generate 4,000 samples for each domain.","citation:dsDescriptionDate":"2022-03-06"},"citation:datasetContact":{"citation:datasetContactName":"Ragab, Mohamed","citation:datasetContactAffiliation":"Nanyang Technological University"},"publication":[{"publicationCitation":"Ragab, M., Chen, Z., Zhang, W., Eldele, E., Wu, M., Kwoh, C. K., & Li, X. (2022). Conditional Contrastive Domain Generalization for Fault Diagnosis. IEEE Transactions on Instrumentation and Measurement, 71, 3506912-.","publicationIDType":"doi","publicationIDNumber":"10.1109/TIM.2022.3154000","publicationURL":"https://ieeexplore.ieee.org/abstract/document/9721021"},{"publicationCitation":"Ragab, M., Chen, Z., Zhang, W., Eldele, E., Wu, M., Kwoh, C. K. & Li, X. (2022). Conditional contrastive domain generalization for fault diagnosis. 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