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Titolo:
MULTIVARIATE SPC CHARTS FOR MONITORING BATCH PROCESSES
Autore:
NOMIKOS P; MACGREGOR JF;
Indirizzi:
MCMASTER UNIV,DEPT CHEM ENGN HAMILTON ON L8S 4L7 CANADA
Titolo Testata:
Technometrics
fascicolo: 1, volume: 37, anno: 1995,
pagine: 41 - 59
SICI:
0040-1706(1995)37:1<41:MSCFMB>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
PRINCIPAL COMPONENT ANALYSIS; STATISTICAL PROCESS-CONTROL; CROSS-VALIDATION; PREDICTION RULE; ERROR RATE; MODELS;
Keywords:
CONTROL CHARTS; ONLINE MONITORING; POLYMERIZATION; PRINCIPAL-COMPONENT ANALYSIS; REFERENCE DISTRIBUTION; STATISTICAL PROCESS CONTROL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
CompuMath Citation Index
Science Citation Index Expanded
Citazioni:
49
Recensione:
Indirizzi per estratti:
Citazione:
P. Nomikos e J.F. Macgregor, "MULTIVARIATE SPC CHARTS FOR MONITORING BATCH PROCESSES", Technometrics, 37(1), 1995, pp. 41-59

Abstract

The problem of using time-varying trajectory data measured on many process variables over the finite duration of a batch process is considered. Multiway principal-component analysis is used to compress the information contained in the data trajectories into low-dimensional spaces that describe the operation of past batches. This approach facilitates the analysis of operational and quality-control problems in past batches and allows for the development of multivariate statistical process control charts for on-line monitoring of the progress of new batches. Control limits for the proposed charts are developed using information from the historical reference distribution of past successful batches. The method is applied to data collected from an industrial batch polymerization reactor.

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Documento generato il 02/12/20 alle ore 14:31:39