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 5 本研究方法的各模块消融实验

Tab.5 Ablation experiments on each module of proposed method

实验 方法 FD001 FD002 FD003 FD004 ERMSE KScore ERMSE KScore ERMSE KScore ERMSE KScore 1 CRU-SRU 11.81 258.67 12.02 911.74 13.14 377.91 15.17 1383.56 2 仅SRU 12.56 379.47 12.37 999.97 13.23 387.50 14.34 1173.80 3 仅CRU 12.65 305.62 12.12 939.13 15.01 381.41 13.27 943.44 4 去除DCT 18.34 761.30 18.05 2766.96 22.30 2356.73 18.01 2293.95 5 去除CDAR 18.94 1055.84 16.95 3232.66 12.62 409.58 20.03 3001.96 6 去除FECAM 12.73 352.06 11.58 586.09 12.64 427.76 19.80 2590.85 7 去除CDAR、FECAM 17.81 1001.53 17.48 2364.60 21.31 1770.88 19.43 2714.51 8 标准高斯分布 11.64 244.74 12.06 1255.09 14.82 586.47 13.93 1107.47 9 本研究方法 11.58 224.78 11.99 815.17 12.05 315.78 13.72 1025.29