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- W4387530868 abstract "Aeroengine fault detection is an important means to ensure flight safety. The application premise of data driven fault detection method is that all data come from the same distribution. However, this assumption is invalid in the actual engine fault detection, because the engine state will change with the increase of operating time, and the collected data will also have distribution differences. Due to the high cost of collecting engine data, it is difficult to collect enough data from the current state. Fortunately, transfer learning can transfer data information from other fields to the target field, thus alleviating the problem of data scarcity in the target domain. Therefore, from the idea of transfer learning, this paper proposes a cross domain aeroengine fault detection method, viz. transfer learning based on kernel perception algorithm with uneven margins (TL-KPAUM). The proposed method is divided into two stages. In the first stage, KPAUM is trained using the data in the source domain to extract the information in the source domain. In the second stage, the data in the target domain is used to realize the adaptation to the target domain. Compared with several baseline methods, TL-KPAUM has better performance when the amount of data in the target domain is small. Finally, using the simulation data of turbofan engine, the fault detection experiments of degraded state are designed, and the results show that this method is effective." @default.
- W4387530868 created "2023-10-12" @default.
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- W4387530868 date "2024-01-01" @default.
- W4387530868 modified "2023-10-12" @default.
- W4387530868 title "The perceptron algorithm with uneven margins based transfer learning for turbofan engine fault detection" @default.
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- W4387530868 doi "https://doi.org/10.1016/j.engappai.2023.107249" @default.
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