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Mostrando ítems 1-10 de 22
Gráficos de Controle Multivariados de Somas Acumuladas (MCUSUM) e de Média Móvel Exponencialmente Ponderada (MEWMA)
(Universidade Federal do Rio Grande do NorteBrasilUFRNEstatística, 2017-06-09)
Statistical process control provides several tools for monitoring quality characteristics, including control. With the need to simultaneously monitoring two or more quality characteristics, control charts have extended to ...
Real-time monitoring of a coffee roasting process with near infrared spectroscopy using multivariate statistical analysis: A feasibility study
(2018-03-01)
This work proposes the use of near infrared (NIR) spectroscopy in diffuse reflectance mode and multivariate statistical process control (MSPC) based on principal component analysis (PCA) for real-time monitoring of the ...
A self-oriented control chart for multivariate process location
(Universidade Federal de Minas GeraisUFMG, 2014-02-17)
In this work we present comparative studies as well as new proposals on methods for statistical process control. Specifically, multivariate control charts with emphasis on monitoring the mean vector of Gaussian processes ...
Cartas de controle multivariadas para o monitoramento simultâneo do teor de isoniazida e rifampicina em uma formulação farmacêutica empregando a espectroscopia no infravermelho próximo
(Universidade Federal do Rio Grande do NorteBrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM QUÍMICA, 2014-10-27)
Statistical process control is a strategy that has been increasingly used
for online monitoring of industrial processes. It is the main tool used for control
charts, which can be univariate or multivariate, according to ...
Cartas de control T2 multivariadas usando R y SAS
(Universidad Nacional de ColombiaSede BogotáBogotá, Colombia, 2011)
Este libro se concentra en la utilización del estadístico T2 de Hotelling en el control estadístico de procesos multivariados, su implementación, sus propiedades y algunas de sus carencias, que son tema de investigación ...
A new approach to estimate variable contributions to Hotelling's statistic
(Elsevier Science, 2012-08)
Hotelling's statistic, also called T 2-statistic, is widely used in statistical process control as an extension of the univariate student's chart to reliably detect out of control status in multivariate processes. Although ...
Monitoreo de perfiles no lineales multivariados usando un enfoque de datos funcionales
(Universidad Nacional de ColombiaBogotá - Ciencias - Maestría en Ciencias - EstadísticaDepartamento de EstadísticaFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá, 2021)
En este trabajo se presentan algunas propuestas para monitorear perfiles no lineales multivariados en fase II, usando métodos provenientes del análisis de datos funcionales. El desempeño de las cartas de control propuestas ...
Uma proposta para a construção de gráficos de controle por meio de componentes principaisUsing principal component for the construction of control charts
(Universidade Federal de Viçosa, 2015)