基于多子空间加权移动窗主成分分析的全厂流程早期故障检测

宋易盟,宋冰,侍洪波,康永波

Multiple subspace weighted moving window PCA for plant-wide process incipient fault detection

Yimeng SONG,Bing SONG,Hongbo SHI,Yongbo KANG

表 2 故障工况的误报率和故障检测率

Tab.2 False alarm and fault detection rates for faults condition %

算法 统计 参数 故障4 故障8 故障13 故障18 FAR FDR FAR FDR FAR FDR FAR FDR PCA $ {T}^{2} $ 2.50 49.63 1.25 97.37 1.87 90.03 3.12 87.52 PCA $ \mathrm{S}\mathrm{P}\mathrm{E} $ 13.13 100 16.87 97.75 10.04 92.64 12.52 89.89 W-PL $ \mathrm{l}\mathrm{o}\mathrm{f} $ 2.76 99.25 3.45 97.25 0 94.28 6.21 89.27 M-PL BIC 8.13 100 7.50 97.88 5.00 95.21 5.62 89.14 M-WP BIC 0.70 99.88 1.92 99.11 1.92 95.93 3.20 91.61