Results 91 to 100 of about 3,947 (212)

Optimal statistical designs of multivariate EWMA and multivariate CUSUM charts based on average run length and median run leng [PDF]

, 2006
Carta kawalan multivariat ialah alat yang berkuasa dalam kawalan proses yang melibatkan kawalan serentak beberapa cirian kualiti yang berkorelasi. Carta-carta multivariat hasil tambah longgokan {MCUSUM) dan multivariat purata bergerak berpemberat ...
Lee, Ming Ha
core  

Analytical and numerical methods for detection of a change in distributions [PDF]

, 2008
University of Technology, Sydney. Faculty of Science.This thesis aims to derive analytical approximations and numerical algorithms for analysis and design of control charts used for detection of changes in distributions.
Sukparungsee, S
core  

Design and Application of Risk Adjusted Cumulative Sum (RACUSUM) for Online Strength Monitoring of Ready Mixed Concrete [PDF]

The Cumulative Sum (CUSUM) procedure is an effective statistical process control tool that can be used to monitor quality of ready mixed concrete (RMC) during its production process.
Dutta, Goutam, Sarkar Debasis
core  

SIMULATION STUDIES PERFORMANCE OF EWMA-MAX MCHART BASED ON SYNTHETIC DATA

Barekeng
Quality control has an important role in the manufacturing process. One of the statistical tools used in quality control is Statistical Process Control (SPC). The SPC product is a control chart.
Kevin Agung Fernanda Rifki, Muhammad Ahsan, Muhammad Mashuri   +2 more
doaj   +1 more source

Control charts for monitoring the mean of AR(1) data [PDF]

New product development is one of the most powerful but difficult activities in business. It is also a very important factor affecting final product quality. There are many techniques available for new product development.
Wieringa, J.E.
core   +1 more source

Jump-preserving monitoring of dependent time series using pilot estimators [PDF]

An important problem of the statistical analysis of time series is to detect change-points in the mean structure. Since this problem is a one-dimensional version of the higher dimensional problem of detecting edges in images, we study detection rules ...
Steland, Ansgar
core  

Control theory for skewed distribution under operation side of the telecommunication industry and hard-bake process in the semiconductor manufacturing process

Measurement + Control
Statistical process control basically involves inspecting a random sample of the output from a process and deciding whether the process is producing products with characteristics that fall within a predetermined range. It is used extensively in the field
Azam Zaka, Riffat Jabeen, Mashhood Ahmad, Hassan M Aljohani, Maha M Helmi   +4 more
doaj   +1 more source

MAXIMUM EXPONENTIALLY WEIGHTED MOVING AVERAGE WITH MEASUREMENT ERROR (USING COVARIATE METHOD) USING AUXILIARY INFORMATION FOR CEMENT QUALITY CONTROL

Barekeng
The main quality characteristic at XYZ Inc. that should be observed is Compressive Strength. Cement production quality control is carried out on the average and process variability jointly with the Max-EWMA control chart.
Eirene Christina Sellyra, Muhammad Ahsan, Wibawati Wibawati   +2 more
doaj   +1 more source

Multivariate Statistical Process Control Charts and the Problem of Interpretation: A Short Overview and Some Applications in Industry [PDF]

Woodall and Montgomery in a discussion paper, state that multivariate process control is one of the most rapidly developing sections of statistical process control.
Bersimis, Sotiris, Panaretos, John, Psarakis, Stelios   +2 more
core   +1 more source

EWMA Control Chart Integrated with Time Series Models for COVID-19 Surveillance

Mathematics
The global outbreak of coronavirus disease 2019 (COVID-19) has posed a severe threat to public health and caused widespread socioeconomic disruptions in the past several years. While the pandemic has subsided, it is essential to explore effective disease
Chen-Rui Hsu, Hsiuying Wang
doaj   +1 more source