2019
DOI: 10.3390/s19081826
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Transfer Learning Based Fault Diagnosis with Missing Data Due to Multi-Rate Sampling

Abstract: Deep learning is an effective feature extraction method widely applied in fault diagnosis fields since it can extract fault features potentially involved in multi-sensor data. But different sensors equipped in the system may sample data at different sampling rates, which will inevitably result in a problem that a very small number of samples with a complete structure can be used for deep learning since the input of a deep neural network (DNN) is required to be a structurally complete sample. On the other hand,… Show more

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Cited by 41 publications
(22 citation statements)
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“…Data may also be subject to problems like incompleteness, heterogeneity, low signal to noise ratio, exhibition of certain topology, etc. Chen et al attempted to conquer the incomplete data problem caused by multi-rate sampling by using transfer learning [168]. They proposed a framework enabling a portion of the structure and parameters to be transferred between the model of structurally complete data and the model of incomplete data.…”
Section: ) Structured Datamentioning
confidence: 99%
“…Data may also be subject to problems like incompleteness, heterogeneity, low signal to noise ratio, exhibition of certain topology, etc. Chen et al attempted to conquer the incomplete data problem caused by multi-rate sampling by using transfer learning [168]. They proposed a framework enabling a portion of the structure and parameters to be transferred between the model of structurally complete data and the model of incomplete data.…”
Section: ) Structured Datamentioning
confidence: 99%
“…To understand the memory-cell operations of LSTM, assuming at time and input in (11), the forget gate of the first layer can be represented as that removes information of the memory cell once required and saves the previous state of information before emptying the memory.…”
Section: Figure 5 Lstm-memory Cellmentioning
confidence: 99%
“…The vibration signal has been broadly and revealed acceptable performance [9]. DL is used in fault diagnosis of mechanical equipment such as gear transmission [10,11], bearing [12], and multi-joint industrial robots [13]. In [14], an intelligent fault diagnosis was proposed based on a deep echo state network (ESN) and a hybrid evolutionary algorithm.…”
Section: Introductionmentioning
confidence: 99%
“…There may be such diagnosis scenarios that massive training data with incomplete information are available. Several research works discussed how to utilize these incomplete samples of source domain to facilitate the target diagnosis task through transfer learning methods [90]- [93], [107], [108].…”
Section: E: Motivation 5: Leveraging Knowledge From the Source With Imentioning
confidence: 99%
“…Besides, reference [107] proposed a fault diagnosis framework that uses structurally incomplete samples to facilitate the model training of the target domain. They declared that a large number of incomplete samples also contain useful information, and transferring them to target diagnosis task is helpful.…”
Section: E: Motivation 5: Leveraging Knowledge From the Source With Imentioning
confidence: 99%