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Gráfico de controle da média móvel exponencialmente ponderada: Aplicação na operação e monitoramento de uma estação de tratamento de esgoto
(2015-10-01)
This work was intended to assess the performance of a sewage treatment plant through letters of statistical quality control of exponentially weighted moving average. The sewage treatment plant is located in the municipality ...
Implementación de modelos de series temporales en casos de COVID-19
(Ediciones Universidad Simón BolívarFacultad de Ingeniería, 2021)
Esta investigación se dio con el fin de tener datos exactos sobre las personas contagiadas en Colombia
con COVID 19 del año 2021, para así de esta manera pronosticar con datos numéricos cuantas personas
en promedio se ...
Performance Comparisons of EWMA Control Chart Schemes
(Nctu-national Chiao Tung Univ Press, 2014)
Performance Comparisons of EWMA Control Chart Schemes
(Nctu-national Chiao Tung Univ Press, 2010-09-01)
Combining an EWMA chart with a Shewhart chart is traditionally recommended as a means of providing good protection against both small and large shifts in the process mean. Capizzi and Masarotto have proposed an EWMA chart ...
Performance Comparisons of EWMA Control Chart Schemes
(Nctu-national Chiao Tung Univ Press, 2010-09-01)
Combining an EWMA chart with a Shewhart chart is traditionally recommended as a means of providing good protection against both small and large shifts in the process mean. Capizzi and Masarotto have proposed an EWMA chart ...
Monitoring Tractor Performance Using Shewhart And Exponentially Weighted Moving Average Charts
(2021-01-01)
Statistical process control has been widely used in agricultural operations for monitoring and improving process quality. This study aims to evaluate the Shewhart and exponentially weighted moving average (EWMA) control ...
Gráficos de controle de EWMA e de X-barra para monitoramento de processos autocorrelacionados
(Associação Brasileira de Engenharia de Produção, 2007-12-01)
Este artigo trata dos gráficos de controle de EWMA e de X-barra utilizados no monitoramento de processos cujas observações podem ser descritas por um modelo auto-regressivo de primeira ordem. Os gráficos são planejados ...
MONITORING OF MECHANICAL SUGARCANE HARVESTING THROUGH CONTROL CHARTS
(Soc Brasil Engenharia Agricola, 2015-11-01)
Statistical process control in mechanized farming is a new way to assess operation quality. In this sense, we aimed to compare three statistical process control tools applied to losses in sugarcane mechanical harvesting ...
Avaliação da distribuição de sementes por uma semeadora de anel interno rotativo utilizando média móvel exponencialProposal of using exponentially weighted moving average for studies about longitudinal distribution of seeds
(Universidade Federal do Ceará, 2012)
Conceitos de qualidade cada vez mais se tornam essenciais para a sobrevivência da empresa agrícola, pois a importância do aprimoramento das operações agrícolas se faz necessária para a obtenção de resultados viáveis ...