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 1 田纳西-伊斯曼过程的双层子空间划分结果
Tab.1 Two-layer subspace partitioning results of Tennessee Eastman process
区块第一层子区块第二层
1$ {x}_{1}-{x}_{9},{x}_{11}-{x}_{13},{x}_{15},{x}_{16},{x}_{18}, {x}_{20}-{x}_{28},{x}_{42}-{x}_{46},{x}_{51},{x}_{52} $1.1$ {x}_{1},{x}_{2},{x}_{12},{x}_{15},{x}_{21},{x}_{42},{x}_{44},{x}_{45} $
1.2$ {x}_{3},{x}_{6},{x}_{24},{x}_{27},{x}_{43},{x}_{51} $
1.3$ {x}_{4},{x}_{5},{x}_{8},{x}_{9},{x}_{11},{x}_{22},{x}_{23},{x}_{25},{x}_{26},{x}_{28},{x}_{52} $
1.4$ {x}_{7},{x}_{13},{x}_{16}{x}_{18},{x}_{20},{x}_{46},{x}_{52} $
2$ {x}_{5},{x}_{6},{x}_{10}-{x}_{16},{x}_{18},{x}_{20},{x}_{22},{x}_{29}-{x}_{36},{x}_{46}-{x}_{48},{x}_{52} $2.1$ {x}_{5},{x}_{11},{x}_{14},{x}_{15},{x}_{22},{x}_{29}-{x}_{36},{x}_{52} $
2.2$ {x}_{6},{x}_{10},{x}_{12},{x}_{13},{x}_{16},{x}_{18},{x}_{20},{x}_{46}-{x}_{50} $
3$ {x}_{4},{x}_{5},{x}_{14}-{x}_{20},{x}_{37}-{x}_{41},{{x}_{45},x}_{46},{x}_{48}-{x}_{50} $3.1$ {x}_{4},{x}_{5},{x}_{14}-{x}_{20},{x}_{37}-{x}_{41},{x}_{45},{x}_{46},{x}_{48}-{x}_{50} $