Models and monitoring of zero‐inflated processes: the past and current trends

T Mahmood, M Xie - Quality and Reliability Engineering …, 2019 - Wiley Online Library
As product quality has increased rapidly in recent years, monitoring and control of products
have become more and more difficult. The items were produced with zero defects, and zero …

A new exponentially weighted moving average control chart to monitor count data with applications in healthcare and manufacturing

F Mustafa, RAK Sherwani, MA Raza - Journal of Statistical …, 2023 - Taylor & Francis
Attribute control charts are widely used to monitor count data. Many distributions are
proposed to model and monitor count data. This article has developed an exponentially …

A control chart for gamma distribution using multiple dependent state sampling

M Aslam, OH Arif, CH Jun - Industrial Engineering & Management …, 2017 - dbpia.co.kr
In this article, a control chart based on multiple dependent (or deferred) state sampling for
the gamma distributed quality characteristic is proposed using the gamma to normal …

A control chart for COM-Poisson distribution using a modified EWMA statistic

M Aslam, A Saghir, L Ahmad, CH Jun… - Journal of Statistical …, 2017 - Taylor & Francis
In this paper, a control chart has been developed for the Conway–Maxwell Poisson (COM-
Poisson) distribution using the modified exponentially weighted moving average statistic …

[Retracted] Process Monitoring for Gamma Distributed Product under Neutrosophic Statistics Using Resampling Scheme

AM Almarashi, M Aslam - Journal of Mathematics, 2021 - Wiley Online Library
In this article, a repetitive sampling control chart for the gamma distribution under the
indeterminate environment has been presented. The control chart coefficients, probability of …

A control chart for COM–Poisson distribution using multiple dependent state sampling

M Aslam, L Ahmad, CH Jun… - Quality and Reliability …, 2016 - Wiley Online Library
In this article, an attribute control chart has been proposed for the COM–Poisson distributed
non‐conformities using multiple dependent states sampling based on the exponentially …

Modified exponential weighted moving average (EWMA) control chart on autocorrelation data

ET Herdiani, G Fandrilla, N Sunusi - Journal of Physics …, 2018 - iopscience.iop.org
In general, observations of the statistical process control are assumed to be mutually
independence. However, this assumption is often violated in practice. Consequently …

Monitoring process variation using modified EWMA

A Saghir, M Aslam, A Faraz, L Ahmad… - Quality and …, 2020 - Wiley Online Library
A new control chart, namely, modified exponentially weighted moving average (EWMA)
control chart, for monitoring the process variance is introduced in this work by following the …

A new sudden death chart for the Weibull distribution under complexity

OH Arif, M Aslam - Complex & Intelligent Systems, 2021 - Springer
This article presents a new control chart for monitoring reliability using sudden death testing
under the neutrosophic statistics (NS). The average run lengths of the in-control and the out …

Monitoring using x-bar control chart using neutrosophic-based generalized multiple dependent state sampling with application

N Khan, L Ahmad, M Aslam - International Journal of Computational …, 2022 - Springer
In this article, an enhanced X-bar control chart using generalized multiple dependent state
(GMDS) sampling under neutrosophic statistics is presented. The joint advantages of GMDS …