基于信道分解与特征融合的重参数航空发动机寿命预测

李兴羽,王海瑞,朱贵富

Reparameterized aero-engine remaining useful life prediction based on channel decomposition and feature fusion

Xingyu LI,Hairui WANG,Guifu ZHU

表 3 RUL预测性能比较

Tab.3 Comparison of RUL prediction performance

方法 C-MAPSS FD001 FD002 FD003 FD004 ERMSE KScore ERMSE KScore ERMSE KScore ERMSE KScore BiGRU-TSAM[12] 12.56 213.35 18.94 2264.13 12.45 232.86 20.47 3610.34 AdaBN-DCNN[13] 13.17 279.00 20.86 2020.00 14.97 817.00 24.57 3690.00 TaFCN[14] 13.99 336.00 19.59 2650.00 19.16 1727.00 22.15 2910.00 KGHM[15] 13.18 250.99 13.25 1131.03 13.54 333.44 19.96 3356.10 RVE[16] 13.42 323.82 14.92 1379.17 11.67 241.89 16.37 1845.99 TATFA-Transformer[17] 12.21 261.50 15.07 1369.70 11.23 210.21 18.81 2506.35 上述方法平均值 13.08 277.44 17.105 1802.33 13.95 593.73 20.39 2986.46 所提方法 11.58 224.78 11.99 815.17 12.05 315.78 13.72 1025.29 平均降低/% 11.47 18.98 29.90 54.77 13.62 46.81 32.71 65.67