Anomaly Warning Using LSTM with Canonical Correlation Analysis and Sequential Probability Ratio Test for Oil Pumps
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更新:2025-11-10 15:42:50 浏览:31次
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摘要
Oil pumps play a crucial role to provide the safe and reliable operation power in the oil transport system. They are usually monitored by various types of sensors with diverse parameters and variables to capture their working statues, so as to inhibit anomalies even faults by taking foresight actions, also as a prerequisite for lifetime and performance prediction, anomaly warning, as well as fault diagnosis and prediction. In this paper, we propose an anomaly warning method by using the canonical correlation analysis (CCA), sequential probability ratio test (SPRT), and long short-term memory network (LSTM) with fusing multi-type field data for oil pumps. First, the multi-type original data of the oil pump needs to be collected, cleaned and labeled as available and analyzable item in advance. Then, the key variable features are extracted by using the CCA with analyzing their correlations. Subsequently, the most relevant variables are input into the LSTM to predict the given variable signal trend. Additionally, the deviation errors between the predicted and real monitoring values are computed and input into the SPRT to garner the anomaly warning result. Finally, a case study of the oil pump with 13 on-site variables of four types is performed to demonstrate the effectiveness of the proposed method.
关键词
Oil pumps,Anomaly warning,Canonical correlation analysis,long short-term memory network,Sequential probability ratio test
稿件作者
Zhichao Wang
Tsinghua University
Ping Wang
Tsinghua University
Tongyu Li
Tsinghua University
Chao Liu
Tsinghua University
Dongxiang Jiang
Tsinghua University
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