Results 81 to 90 of about 2,311 (163)

Performance of Bayesian EWMA control chart with measurement error under ranked set sampling schemes with application in industrial engineering [PDF]

, 2023
Yuzhen Wang, Imad Khan, Muhammad Noor‐ul‐Amin, Amjad Javaid, Dost Muhammad Khan, Huda M. Alshanbari   +5 more
openalex   +1 more source

On enhanced sensitivity of nonparametric EWMA control charts for process monitoring [PDF]

, 2017
Saddam Akber Abbasi, Shabbir Ahmad, Muhammad Riaz   +2 more
openalex   +1 more source

A New Nonparametric Tukey MA-EWMA Control Charts for Detecting Mean Shifts [PDF]

, 2020
Rattikarn Taboran, Saowanit Sukparungsee, Yupaporn Areepong   +2 more
openalex   +1 more source

Optimal Design for SARMA(P,Q)L Process of EWMA Control Chart

, 2014
Yupaporn Areepong
  +5 more sources

Monitoring process mean with a new EWMA control chart Um novo gráfico de controle EWMA para monitoramento da média de processo

Production, 2011
In practice, sometimes the process data did not come from a known population distribution. So the commonly used Shewhart variables control charts are not suitable since their performance could not be properly evaluated.
Yang Su-Fen, Tsai Wen-Chi, Huang Tzee-Ming, Yang Chi-Chin, Cheng Smiley   +4 more
doaj  

COMPARISON OF EXPONENTIALLY WEIGHTED MOVING AVERAGE CONTROL CHART WITH HOMOGENEOUSLY WEIGHTED MOVING AVERAGE CONTROL CHARTS AND ITS APPLICATION

Barekeng
The Exponentially Weighted Moving Average (EWMA) control chart is a widely used memory-type control chart known for detecting small shifts in process means.
Erna Tri Herdiani, Mustabsyirah Mustabsyirah   +1 more
doaj   +1 more source

An Efficient Robust Nonparametric Triple EWMA Wilcoxon Signed-Rank Control Chart for Process Location [PDF]

, 2021
Zahid Rasheed, Hongying Zhang, Muhammad Arslan, Babar Zaman, Syed Masroor Anwar, Muhammad Abid, Saddam Akber Abbasi   +6 more
openalex   +1 more source

A Review and Evaluation of Statistical Process Control Methods in Monitoring Process Mean and Variance Simultaneously [PDF]

Journal of Optimization in Industrial Engineering, 2010
In this paper, first the available single charting methods, which have been proposed to detect simultaneous shifts in a single process mean and variance, are reviewed.
Ahmad Ostadsharifmemar, Seyed Taghi Akhavan Niaki   +1 more
doaj  

Valor em Risco (VaR) utilizando modelos de previsão de volatilidade: EWMA, GARCH e Volatilidade Estocástica

BBR: Brazilian Business Review, 2007
Este artigo explora três modelos utilizados para a estimativa da volatilidade: suavização exponencial - EWMA, volatilidade condicional - GARCH e volatilidade estocástica - VE. A volatilidade estimada por estes modelos pode ser utilizada em uma métrica de
Fernando Caio Galdi, Leonel Molero Pereira   +1 more
doaj  

THE MIXED UNIVARIATE CONTROL CHART EWMA AND CUSUM FOR FLAVOUR PRODUCTION QUALITY PROCESS MONITORING

Jurnal Matematika UNAND
A control chart is an important statistical technique used to monitor the average quality of a process or dispersion. Shewhart control chart is used to detect larger disturbances in process parameters.
Surya Puspita Sari, Maiyastri Maiyastri, Dodi Devianto   +2 more
doaj   +1 more source