基于跨维度特征融合的航空发动机寿命预测

章东平,王大为,何数技,汤斯亮,刘志勇,刘中秋

Remaining useful life prediction of aircraft engines based on cross-dimensional feature fusion

Dongping ZHANG,Dawei WANG,Shuji HE,Siliang TANG,Zhiyong LIU,Zhongqiu LIU

表 4 不同预测方法在4个子数据集中的评价指标对比结果

Tab.4 Comparison of evaluation indicators of different prediction methods in four sub-datasets

网络 RMSE θ FD001 FD002 FD003 FD004 FD001 FD002 FD003 FD004 Double-Attn[17] 12.25 17.08 13.39 19.86 198.00 1575.00 290.00 1741.00 CATA-TCN[21] 12.80 17.61 13.16 21.04 234.31 1361.23 290.63 2303.42 MSDCNN-LSTM[28] 12.96 18.70 11.78 21.57 256.59 1873.86 211.99 2699.34 MHT[29] 11.92 13.70 10.63 17.73 215.20 746.70 150.50 1572.00 ATCN[15] 11.48 15.82 11.34 17.80 194.25 1210.57 249.19 1934.86 TATFA-Transformer[19] 12.21 15.07 11.23 18.81 261.50 1359.70 210.21 2506.35 本研究 11.38 12.76 11.81 14.58 192.40 629.61 218.85 908.58