Results 31 to 40 of about 6,512 (216)

Novel combined Shewhart-CUmulative EWMA-SUM mean charts without- and with measurement error

Measurement + Control
The precision of process monitoring often encounters challenges in determining the exact shift size. Therefore, combined control charts have gained considerable attention because of their excellent speed to detect simultaneously small-to-moderate and ...
Tahir Munir, Fahad M. Alqahtani, Afaf Alrashidi, Abdu R Rahman, Salman Arif Cheema, Yi Li   +5 more
doaj   +1 more source

Statistical Monitoring and Optimization of Electrochemical Machining using Shewhart Charts and Response Surface Methodology

International Journal of Engineering Materials and Manufacture, 2018
The response surface methodology (RSM) and Shewhart control charts have been widely used in manufacturing to reduce variation, improve quality and optimize the output.
Ahmed Maged, Salah Haridy, Mohammad Shamsuzzaman, Imad Alsyouf, Roubi Zaied   +4 more
doaj   +1 more source

A CNN Approach for Simultaneous Spatiotemporal Fault Interpretation

Quality and Reliability Engineering International, EarlyView.
ABSTRACT Convolutional Neural Networks (CNNs) have emerged as one of the most effective tools for image analysis. In this study, we propose a custom‐designed CNN architecture to construct a process control scheme based on image data. The product image is partitioned into equal‐sized grids, each comprising three channels: (i) reference image, (ii ...
Hamed Sabahno
wiley   +1 more source

Phase I Multivariate Coefficient of Variation Control Charts for High‐Dimensional Processes

Quality and Reliability Engineering International, EarlyView.
ABSTRACT Multivariate control charts have traditionally focused on monitoring the process mean vector and/or covariance matrix. Recent studies have extended this framework to Phase II monitoring of the multivariate coefficient of variation (MCV); yet very limited work has examined MCV‐based monitoring in Phase I.
O. A. Oyegoke, K. S. Adekeye, J.‐C. Malela‐Majika   +2 more
wiley   +1 more source

Max-Half-Mchart: A Simultaneous Control Chart Using a Half-Normal Distribution for Subgroup Observations

IEEE Access, 2021
A Simultaneous control chart is a well-known tool for monitoring the process mean and process variability with a single chart. In recent decades, many researchers have been interested in developing simultaneous control charts.
Rumaisa Kruba, Muhammad Mashuri, Dedy Dwi Prastyo   +2 more
doaj   +1 more source

The Culture Clash of AI Adoption in Lean Quality Management. Resolving the Tensions at Siemens Electronics Works Amberg

Information Systems Journal, Volume 36, Issue 3, Page 315-339, May 2026.
ABSTRACT Artificial intelligence (AI) brings great potential for manufacturers, but clashes with the established culture due to the unexplainable and opaque nature of the solutions it provides. Having little experience in AI and machine learning (ML), most manufacturing leaders experience barriers implementing AI.
Benjamin van Giffen, Gunter Beitinger, Helmuth Ludwig, Bill Schiano, Konstantin Schmidt, Jan vom Brocke   +5 more
wiley   +1 more source

On Monitoring of the Shape Parameter of the Inverse Gaussian Distribution via Memoryless Chart Under Bayesian Setup

IEEE Access
The Inverse Gaussian distribution (IGD) is a probability distribution with several applications in various fields. The proposed study is prone to consider the problem of monitoring the shape parameter of IGD using the Bayesian method.
Tahir Abbas, Amara Javed, Nasir Abbas, Muhammad Abid   +3 more
doaj   +1 more source

Cost comparisons of modified X̅ chart for autocorrelated observations

International Journal of Metrology and Quality Engineering, 2016
This paper presents the economic design of modified X̅ chart for autocorrelated data and comparison with the economic design of Shewhart’s X̅ chart.
Prajapati D. R.
doaj   +1 more source

STATISTICAL CONTROL OF THE PROCESS APPLIED TO THE MONITORING OF THE WATER QUALITY INDEX [PDF]

Engenharia Agrícola, 2018
Analyzing the physical-chemical and biological characteristics allows the evaluation of the water quality of a water body. Thus, the objective of this study was to determine the water quality index of the Passaúna and Piraquara rivers, as well as to ...
Ketllin Z. da Conceição, Marcio A. Vilas Boas, Silvio C. Sampaio, Marcelo B. Remor, Danilo I. Bonaparte   +4 more
doaj   +1 more source

Univariate and multivariate control charts for monitoring sugar production process [PDF]

, 2015
Quality control is a system to maintain quality of product or service to achieve specification standard of product. One of the most powerful tools is through graphical method which is control chart.
Mohamad, Ismail, Sutirman, Zetty Azrah
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