A bivariate exponentially weighted moving average control chart based on exceedance statistics

T Mahmood, A Erem - Computers & Industrial Engineering, 2023 - Elsevier
Nonparametric control charts are more practical tools for statistical process control (SPC), as
they are robust in situations in which the underlying distribution is unknown …

Nonparametric (distribution‐free) quality control charts

S Chakraborti - Wiley StatsRef: Statistics Reference Online, 2014 - Wiley Online Library
Control charts that are typically based on the assumption of a specific form of a parametric
distribution, such as the normal, are called parametric control charts. In many applications …

Enhanced nonparametric control charts under simple and ranked set sampling schemes

Z Abbas, HZ Nazir, M Abid… - Transactions of the …, 2020 - journals.sagepub.com
Investigation and removal of unnatural variation in the processes of manufacturing,
production and services require application of statistical process control. Control charts are …

Recent advances on univariate distribution-free shewhart-type control charts

MV Koutras, IS Triantafyllou - … for statistical process monitoring and control, 2020 - Springer
In this chapter, we provide an up-to-date overview of nonparametric Shewhart-type
univariate control charts. The monitoring schemes incorporated in the present literature …

High-dimensional control charts with application to surveillance of grease damage in bearings of wind turbines

T Mahmood, F Ahmed, M Riaz… - … & Manufacturing Research, 2024 - Taylor & Francis
High-dimensional data, characterized by having more attributes or variables than
observations, presents unique challenges in industrial operations surveillance. Traditional …

An Efficient Robust Nonparametric Triple EWMA Wilcoxon Signed‐Rank Control Chart for Process Location

Z Rasheed, H Zhang, M Arslan… - Mathematical …, 2021 - Wiley Online Library
The nonparametric (NP) control charts are famous for detecting a shift in the process
parameters (location and/or dispersion) when the underlying process characteristic does not …

Two simple Shewhart‐type multivariate nonparametric control charts

JM Boone, S Chakraborti - Applied Stochastic Models in …, 2012 - Wiley Online Library
In many quality control applications, the necessary distributional assumptions to correctly
apply the traditional parametric control charts are either not met or there is simply no enough …

New distribution-free memory-type control charts based on the Wilcoxon rank-sum statistic

JC Malela-Majika - Quality Technology & Quantitative Management, 2021 - Taylor & Francis
In this paper, a new distribution-free double exponentially weighted moving average
(DEWMA) control chart based on the Wilcoxon rank-sum (WRS) test without any …

[PDF][PDF] Distribution-free CUSUM-type control charts for monitoring industrial processes: An overview

IS Triantafyllou, M Ram - International Journal of Mathematical …, 2021 - researchgate.net
In the present paper we provide an up-to-date overview of nonparametric Cumulative Sum
(CUSUM) monitoring schemes. Due to their nonparametric nature, such memory-type …

Nonparametric control charts based on order statistics: Some advances

IS Triantafyllou - Communications in Statistics-Simulation and …, 2018 - Taylor & Francis
In this article, we introduce new nonparametric Shewhart-type control charts that take into
account the location of two order statistics of the test sample as well as the number of …