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摘要: 分析了基于欧几里德距离的 SPE 指标和基于马氏距离的改进 SPE 监控指标, 针对过程变量正态分布的特性, 提出一种基于马氏距离的综合监控指标, 减少了监控工作量, 改善了监控效果.Abstract: The Euclidian norm-based index, SPE, and the Mahalanobis distance-based improved SPE index are analyzed. Due to the feature of normal distributions of the process variables, an overall index is introduced to lessen the monitoring workload and improve the monitoring performance.
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