Results 11 to 20 of about 3,958 (193)

Site-Specific Assessment of Statistical Process Control to Set Tolerance and Action Limits for Patient-Specific Quality Assurance in RapidArc Treatment Delivery [PDF]

Journal of Biomedical Physics and Engineering
Background: Patient-Specific Quality Assurance (PSQA) is essential in radiotherapy to ensure accurate treatment delivery, particularly with advanced treatment planning techniques like RapidArc (RA).Objective: The present study aimed to assess the use of ...
Sumanta Manna, Benoy Kumar Singh, K J Maria Das   +2 more
doaj   +2 more sources

New extended exponentially weighted moving average control chart for monitoring process mean [PDF]

Heliyon
In this article, we develop a new control chart based on the Exponentially Weighted Moving Average (EWMA) statistic, termed the New Extended Exponentially Weighted Moving Average (NEEWMA) statistic, designed to recognize slight changes in the process ...
Hina Javed, Muhammad Ismail, Nadia Saeed
doaj   +2 more sources

Developing Bayesian EWMA chart for change detection in the shape parameter of Inverse Gaussian process. [PDF]

PLoS ONE
Bayesian Control charts are emerging as the most efficient statistical tools for monitoring manufacturing processes and providing effective control over process variability.
Amara Javed, Tahir Abbas, Nasir Abbas
doaj   +2 more sources

Monitoring gamma type-I censored data using an exponentially weighted moving average control chart based on deep learning networks [PDF]

Scientific Reports
In recent years, deep learning methods have been widely used in combination with control charts to improve the monitoring efficiency of complete data. However, due to time and cost constraints, data obtained from reliability life tests are often type-I ...
Pei-Hsi Lee, Shih-Lung Liao
doaj   +2 more sources

Improved adaptive EWMA control chart for process location with applications in groundwater physicochemical parameters and glass manufacturing industry

PLoS ONE, 2022
The adaptive exponentially weighted moving average (AEWMA) control charts are the advanced form of classical memory control charts used for efficiently monitoring small-to-large shifts in the process parameters (location and/or dispersion).
Muhammad Arslan, Syed Masroor Anwar, Showkat Ahmad Lone, Zahid Rasheed, Majid Khan, Saddam Akbar Abbasi   +5 more
doaj   +2 more sources

Explicit analytical solutions for the average run length of modified EWMA control chart for ARX(p,r) processes [PDF]

Songklanakarin Journal of Science and Technology (SJST), 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.
Korakoch Silpakob, Yupaporn Areepong, Saowanit Sukparungsee, Rapin Sunthornwat   +3 more
doaj   +1 more source

The development of egg hatching and storage machines equipped with cooling and heating systems and iot [PDF]

, 2021
The development of egg hatching and storage machines equipped with cooling and heating systems and IoT was for helping chicken breeders to address the issue of chicken production shortages. To produce large numbers of poultry production, eggs hatching is
Abdulrahman, Khairul Anuar, Baharudin, Nurhayati, Hussin, Muhammad Nur Aizat, Rahim, Mohd Bekri, Razali, Nizamuddin, Rozali, Mohd. Zulfadli, Yunus, Faizal Amin Nur   +6 more
core   +1 more source

Design of EWMA-type control chart

IOP Conference Series: Materials Science and Engineering, 2021
Abstract A control chart is typically examined based on the overall performance. This is crucial, as it will influence the final decision on the selection of a control chart. For this reason, the application of average run length (ARL) has been identified as the standard performance metric.
H W You, M A Shahrin, Z Mustafa
openaire   +1 more source

Exponentially weighted moving average-Moving average charts for monitoring the process mean.

PLoS ONE, 2020
This research aimed to propose a newly-mixed control chart called the Exponentially Weighted Moving Average-Moving Average Chart (EWMA-MA) to detect the mean change in a process underlying symmetric and asymmetric distributions.
Saowanit Sukparungsee, Yupaporn Areepong, Rattikarn Taboran   +2 more
doaj   +1 more source

Real-time quality control of nuchal translucency measurements using the exponentially weighted moving average chart

Taiwanese Journal of Obstetrics & Gynecology, 2021
Objective: The establishment of ongoing audits for first-trimester nuchal translucency (NT) measurements is of paramount importance. The exponentially weighted moving average (EWMA) chart has been published as an efficient tool for NT quality control ...
Martin Hynek, Jana Zvárová, Dagmar Smetanová, David Stejskal, Jan Kalina   +4 more
doaj   +1 more source