Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Rapin Sunthornwat"'
Publikováno v:
HighTech and Innovation Journal, Vol 5, Iss 1, Pp 16-35 (2024)
This research aims to investigate a Homogenously Weighted Moving Average (HWMA) control chart for detecting minor and moderate shifts in the process mean. A mathematical model for the explicit formulae of the average run length (ARL) of the HWMA cont
Externí odkaz:
https://doaj.org/article/8d46a2a5b16b4405aac7d2811c0fb1d8
Autor:
Yupaporn Areepong, Rapin Sunthornwat
Publikováno v:
Emerging Science Journal, Vol 7, Iss 0, Pp 163-185 (2023)
COVID-19 has been affecting human beings since the end of 2019. Studying the characteristics of a COVID-19 outbreak is significant because it will add to the knowledge that is necessary for protecting the general public and controlling future viral o
Externí odkaz:
https://doaj.org/article/107afcd2d56c4acab09a09542259d2ad
Publikováno v:
Symmetry, Vol 15, Iss 12, p 2112 (2023)
Statistical process control (SPC) is used for monitoring and detecting anomalies in processes in the areas of manufacturing, environmental studies, economics, and healthcare, among others. Herein, we introduce an innovative SPC approach via mathemati
Externí odkaz:
https://doaj.org/article/1fd4a639f83644b18eea07eb80bed331
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 43, Iss 5, Pp 1414-1427 (2021)
Statistical process control (SPC) plays a necessary role in manufacturing industry processes. An essential tool for SPC used for monitoring, measuring, controlling, and improving quality in various fields is the control chart. The modified exponent
Externí odkaz:
https://doaj.org/article/8431515eeb3644be93a977cb97875283
Autor:
Rapin Sunthornwat, Yupaporn Areepong
Publikováno v:
Engineering and Applied Science Research, Vol 48, Iss 4, Pp 432-445 (2021)
The coronavirus disease outbreak in 2019 (COVID-19) has caused major economic and healthcare problems worldwide. At this time, the worldwide outbreak has passed its peak, while the greatest number of cases has been in the USA, Brazil, and India. Meas
Externí odkaz:
https://doaj.org/article/15a4bcc645e948488784d413424522bb
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 53, Iss 2 (2021)
The outbreak of coronavirus disease 2019 (COVID-19) has become a major problem facing humans all around the world. For governments, in order to deal with the outbreak and protect the population, it is important to predict the number of infectious cas
Externí odkaz:
https://doaj.org/article/0b0b88a36bf141f1b54dbfa6199c35a5
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 40, Iss 4, Pp 885-895 (2018)
The efficiency of a process, especially a long memory seasonal autoregressive fractional integral moving average (SARFIMA) process, has commonly been measured through the quality control chart. In this paper, a generalized long memory SARFIMA proce
Externí odkaz:
https://doaj.org/article/12d2bf779d604caba0082bed4488e887
Autor:
Rapin Sunthornwat, Yupaporn Areepong
Publikováno v:
Symmetry, Vol 12, Iss 1, p 173 (2020)
The aim of this study was to derive explicit formulas of the average run length (ARL) of a cumulative sum (CUSUM) control chart for seasonal and non-seasonal moving average processes with exogenous variables, and then evaluate it against the numerica
Externí odkaz:
https://doaj.org/article/f9199a797443492b8148541c4b96a651
Publikováno v:
Intelligent Automation & Soft Computing. 36:281-298
Publikováno v:
ECTI Transactions on Computer and Information Technology (ECTI-CIT). 16:165-173
Coronavirus disease 2019 (COVID-19) outbreak is causing the economic and healthproblems for all countries. The origin based on genetic codes of its spreading is asignificant key for identification and solution of the outbreak. The purpose of thisrese