On designing a new Tukey-EWMA control chart for process monitoring

QUA Khaliq, M Riaz, S Ahmad - The International Journal of Advanced …, 2016 - Springer
Exponentially weighted moving average (EWMA) and cumulative sum (CUSUM) charts are
used to detect smaller shifts in process parameters. The usual EWMA and CUSUM charts …

Mixed Tukey EWMA-CUSUM control chart and its applications

M Riaz, QUA Khaliq, S Gul - Quality Technology & Quantitative …, 2017 - Taylor & Francis
Tukey control chart (TCC) is a popular choice for robust monitoring of process parameters.
With the advancement in technology, we develop refined techniques that incorporate …

Robust Shewhart-CUSUM design for monitoring process mean using repetitive sampling

Y Mahmood, MBC Khoo, SY Teh, MH Lee - Computers & Industrial …, 2023 - Elsevier
The present study initiates the use of repetitive sampling (RS) for CUSUM type statistics
discussed by Riaz et al.(2017) and couples it with the Shewhart chart (termed as RS-SEC …

On designing TEWMA-Tukey control charts for normal and non-normal processes using single and repetitive sampling schemes

Y Mahmood, MBC Khoo, SY Teh, S Saha - Computers & Industrial …, 2022 - Elsevier
Technology advancement and the need to produce quality products have necessitated the
development of more efficient process monitoring schemes. In the form of a combined triple …

Design of Shewhart-type control charts with estimated parameter for the Rayleigh distribution using frequentist and Bayesian approaches

P Gong, Q Xia, J Xuan, A Saghir… - Quality Technology & …, 2023 - Taylor & Francis
Studies on control charts with estimated parameters have received much attention in the
recent literature. In this paper, the effect of parameter estimation on the performance of the …

Robust Tukey–CUSUM control chart for process monitoring

QULA Khaliq, M Riaz - Quality and Reliability Engineering …, 2016 - Wiley Online Library
In real world scenarios, we continuously inspect the performing behavior of different features
of processes. A change in the process parameters may affect the product quality and …

Monitoring therapeutic processes using risk‐adjusted multivariate Tukey's CUSUM control chart

S Kazemi, R Noorossana, M Rasouli… - Quality and …, 2021 - Wiley Online Library
Using control charts for monitoring therapeutic processes has become popular lately. As the
application of traditional control charts in the therapeutic processes may be misleading due …

Advanced process defect monitoring model and prediction improvement by artificial neural network in kitchen manufacturing industry: A case of study

A Massaro, I Manfredonia, A Galiano… - 2019 II Workshop on …, 2019 - ieeexplore.ieee.org
This paper analyzes a methodological approach based on p control charts able to control
defects into a new production line of kitchen manufacturing and to monitor the proportion of …

Tukey-EWMA control chart with variable sampling intervals for process monitoring

S Adsız, B Aytaçoğlu - Quality Engineering, 2024 - Taylor & Francis
In this study, the Tukey-Exponential Weighted Moving Average control chart with variable
sampling interval (VSI Tukey-EWMA) is proposed. The performance of the proposed control …

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

A Zaka, R Jabeen, M Ahmad… - Measurement and …, 2024 - journals.sagepub.com
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 …