Small-to-moderate shifts in the process parameters can be detected using the traditional Exponentially Weighted Moving Average (EWMA) control chart. The classical EWMA control …
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 …
In this era of Industry 4.0, efficient and affordable monitoring solutions are needed for the surveillance of manufacturing/service operations. In general, memory-type control charts …
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 …
T Mahmood - Journal of King Saud University-Science, 2024 - Elsevier
Rising industrial pollution, exacerbated by climate change, underscores the need for effective environmental monitoring. Leveraging sensor advancements and Birnbaum …
A Erem, T Mahmood - Quality and Reliability Engineering …, 2023 - Wiley Online Library
In manufacturing systems, statistical process control (SPC) is used to detect unusual observations in the process. Most control charts are composed based on the normality …
Attribute charts are used widely for monitoring binary events in manufacturing, service, and healthcare processes. While Shewhart type charts are efficacious in detecting large or …
The precedence test is a nonparametric, two-sample test for stochastic comparison of lifetime data. The power of the precedence test increases with increasing sample size …
T Mahmood, M Hyder, SMM Raza… - Hacettepe Journal of …, 2024 - dergipark.org.tr
Ceramics are made up of water, clay, and powders. These are categorized as non-metallic and inorganic materials. It is revealed in the literature that Longquan celadon glaze had …