An Incremental Model Transfer Method for Complex Process Fault Diagnosis

doi:10.1109/JAS.2019.1911618

An Incremental Model Transfer Method for Complex Process Fault Diagnosis

2019-09-01

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DOI：10.1109/JAS.2019.1911618

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Fault diagnosis is an important measure to ensure the safety of production, and all kinds of fault diagnosis methods are of importance in actual production process. However, the complexity and uncertainty of production process often lead to the changes of data distribution and the emergence of new fault classes, and the number of the new fault classes is unpredictable. The reconstruction of the fault diagnosis model and the identification of new fault classes have become core issues under the circumstances. This paper presents a fault diagnosis method based on model transfer learning and the main contributions of the paper are as follows: An incremental model transfer fault diagnosis method is proposed to reconstruct the new process diagnosis model. Breaking the limit of existing method that the new process can only have one more class of faults than the old process, this method can identify M faults more in the new process with the thought of incremental learning. The method offers a solution to a series of problems caused by the increase of fault classes. Experiments based on Tennessee-Eastman process and ore grinding classification process demonstrate the effectiveness and the feasibility of the method.

Keyword:

Complex process

fault diagnosis

incremental learning

model transfer

An Incremental Model Transfer Method for Complex Process Fault Diagnosis

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