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	An Adaptive Dimension Reduction Scheme for Monitoring Feedback-controlled Processes
	Wang, Kaibo ; Tsung, Fugee
	2010-10-12 ; 2010-10-12
关键词	adaptive chart process dynamics statistical process control variable selection STATISTICAL PROCESS-CONTROL MULTIVARIATE CONTROL CHARTS ENGINEERING PROCESS-CONTROL RUN PROCESS-CONTROL AUTOCORRELATED PROCESSES PRINCIPAL COMPONENTS T-2 CHART SPC SENSITIVITY INTEGRATION Engineering, Multidisciplinary Engineering, Industrial Operations Research & Management Science
中文摘要	Detecting dynamic mean shifts is particularly important in monitoring feedback-controlled processes in which time-varying shifts are usually observed When multivariate control charts are being utilized, one way to improve performance is to reduce dimensions. However, it is difficult to identify and remove non-informative variables statically in a process with dynamic shifts, as the contribution of each variable changes continuously over time. In this paper, we propose an adaptive dimension reduction scheme that aims to reduce dimensions of multivariate control charts through online variable evaluation and selection. The resulting chart is expected to keep only informative variables and hence maximize the sensitivity of control charts. Specifically, two sets of projection matrices are presented and dimension reduction is achieved via projecting process vectors into a low-dimensional space. Although developed based on feedback-controlled processes, the proposed scheme can be easily extended to monitor general multivariate applications. Copyright (C) 2008 John Wiley & Sons, Ltd.
语种	英语 ; 英语
出版者	JOHN WILEY & SONS LTD ; CHICHESTER ; THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80643]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, Kaibo,Tsung, Fugee. An Adaptive Dimension Reduction Scheme for Monitoring Feedback-controlled Processes[J],2010, 2010.
APA	Wang, Kaibo,&Tsung, Fugee.(2010).An Adaptive Dimension Reduction Scheme for Monitoring Feedback-controlled Processes..
MLA	Wang, Kaibo,et al."An Adaptive Dimension Reduction Scheme for Monitoring Feedback-controlled Processes".(2010).

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