multivariate statistical quality control
Multivariate statistical quality control of a pharmaceutical manufacturing process using near infrared spectroscopy and imaging microscopy
... at control phase ...statistic control charts (Appendix C: Tables C19 & C20), hence raw data was not considered useful for monitoring the blends and spectral scatter correction was considered ...in ...
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MULTIVARIATE STATISTICAL PROCESS CONTROL OF PLATINUM: A CASE STUDY OF MINING COMPANY IN SHABANI, ZIMBABWE
... similar quality characteristics which need to be monitored at the same ...the quality of ore feeds grade should have certain percentages per ton of the mineral to be processed, the impurity grade should ...
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Multivariate statistical process control of an industrial-scale fed-batch simulator
... of statistical-based techniques that attempt to condense the information contained within large num- bers of sensor measurements, into a reduced number of compos- ite ...batch control applications, ...
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Spatial Variability of Ground Water Quality Using HCA, PCA and MANOVA at Lawspet, Puducherry in India
... water quality and ecological status of the studied systems, and it allows the detection of the possible factors/sources that control the ground water systems and suggests a useful tool for dependable ...
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Fault detection and diagnosis via improved multivariate statistical process control
... A major technological challenge facing the processing industries is the need to produce consistently high quality product. This is particularly challenging in high demanding situations where processes are subject ...
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Assessment of Spatio Temporal Variations in Water Quality of Shailmari River, Khulna (Bangladesh) Using Multivariate Statistical Techniques
... the quality of the water in three different ...that control the characteristic nature of the water in each sampling season by reducing the contribution of less significant parameters ob- tained from PCA ...
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Retrospective Hotelling’s T2 Control Chart for Automotive Stamped Parts: A Case Study
... Malaysian quality management practices are being challenged by the new quality assurance paradigm of statistical process control ...uses statistical techniques to monitor and ...
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Assessment of Water Quality of Euphrates River Using Cluster Analysis
... to control water pollution, monitor water quality ...different multivariate statistical techniques, such as cluster analy- sis (CA), principle component analysis (PCA) and factor analysis (FA) ...
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Multivariate Statistical Process Control Charts: An Overview
... This control chart is called a Phase I T 2 ...in control the probability of at least one of the D 2 i being outside the control limits is α’ does not hold, because in this phase the D 2 i are not ...
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Quality and Operation Management System for Steel Products through Multivariate Statistical Process Control
... new quality and operation management method is proposed for products in steel production ...on multivariate statistical process control, that is one of the applications of principal component ...
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Assessment of Seasonal Variation in Water Quality in River Rwizi Using Multivariate Statistical Techniques, Mbarara Municipality, Uganda
... the quality of life and productivity of the ...ter quality and pollution sources in such water bodies is important for the im- plementation of sustainable water use management strategies ...water ...
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Monitoring the variability of petrochemical ZA fertilizer production process based on subgroup observations
... T control charting. However, Alt and Smith (1988) and Montgomery (2005, p. 511) point out that monitoring process variability is also important as monitoring process mean vector. Motivates by this emphasis, a ...
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Application of Statistical Quality Control in Manufacturing Process
... ABSTRACT: This paper discusses an attempt to perk up the quality and productivity of white cement production. The major problems faced in cement industry was the proportion of mixing the raw materials for the ...
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Spatial and Temporal Variation in Water Quality of River Benue, Nigeria
... water quality parameters at ten different locations along River Benue for twelve consecutive ...changes, multivariate analysis of variance (MANOVA) was used to group these on the basis of spatial ...
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The Coupon Collector Problem in Statistical Quality Control
... Abstract— In the paper, the authors have extended the classical coupon collector problem to the case of group drawings with indistinguishable items. The results are applied to a statistical quality ...
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The Principle of Mathematical Induction Applied to the Generalized Model for the Economic Design of X Control Charts
... Duncan’s assumption that the in-control period follows an exponential distribution. Instead, they assumed it follows a general probability distribution having an increasing hazard rate function. The increasing ...
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A Statistical Process Control to Monitor the Software Quality
... process control requires periodic monitoring of the progress being made towards attaining the ...Lower Control Limit(LCL) and Upper Control ...
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Basic Procedures of Statistical Quality Control in Education
... of quality. The latter implies necessity of usage of Statistical Quality Control (SQC), which makes the whole process of quality management more objective, unbiased and ...and ...
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Real Time Monitoring of Carbon Monoxide Using Value at Risk Measure and Control Charting
... Regarding its usefulness, this is evidently significant, since early signals of abnormal increases of CO levels can be used for public protection. It has been recognized that carbon monoxide pollution constitutes a ...
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Application of Control Chart in Aircraft Intact Rate Monitoring
... aircraft quality level, refers to the prescribed use and maintenance conditions, one aircraft in a certain time period, the plane frame with aircraft intact rate on ...total quality management, the ...
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