Browsing by Author "Abbasi, Saddam Akber"
Now showing items 1-20 of 47
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A Multivariate Homogeneously Weighted Moving Average Control Chart
Adegoke, Nurudeen A.; Abbasi, Saddam Akber; Smith, Adam N. H.; Anderson, Marti J.; Pawley, Matthew D. M. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)This paper presents a multivariate homogeneously weighted moving average (MHWMA) control chart for monitoring a process mean vector. The MHWMA control chart statistic gives a specific weight to the current observation, and ... -
A new hwma dispersion control chart with an application to wind farm data
Riaz, Muhammad; Abbasi, Saddam Akber; Hamzat, Abdulhammed K.; Abid, Muhammad ( MDPI AG , 2020 , Article)Recently, a homogeneously weighted moving average (HWMA) chart has been suggested for the efficient detection of small shifts in the process mean. In this study, we have proposed a new one-sided HWMA chart to effectively ... -
A non-parametric double homogeneously weighted moving average control chart under sign statistic
Riaz, Muhammad; Abid, Muhammad; Shabbir, Aroosa; Nazir, Hafiz Zafar; Abbas, Zameer; Abbasi, Saddam Akber... more authors ... less authors ( John Wiley and Sons Ltd , 2021 , Article)In practical situations, the underlying process distribution sometimes deviates from normality and their distribution is partially or completely unknown. In that instance, rather than staying with/depending on the conventional ... -
An Assorted Design for Joint Monitoring of Process Parameters: An Efficient Approach for Fuel Consumption
Saeed, Usman; Riaz, Muhammad; Abbas, Nasir; Abbasi, Saddam Akber ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Due to high fuel consumption, we face the problem of not only the increased cost, but it also affects greenhouse gas emission. This paper presents an assorted approach for monitoring fuel consumption in trucks with the ... -
An enhanced nonparametric EWMA sign control chart using sequential mechanism
Riaz, Muhammad; Abid, Muhammad; Nazir, Hafiz Zafar; Abbasi, Saddam Akber ( Public Library of Science , 2019 , Article)Control charts play a significant role to monitor the performance of a process. Nonparametric control charts are helpful when the probability model of the process output is not known. In such cases, the sampling mechanism ... -
An improved adaptive EWMA control chart for monitoring time between events with application in health sector
Aslam, Muhammad; Khan, Majid; Rasheed, Zahid; Anwar, Syed Masroor; Abbasi, Saddam Akber ( John Wiley and Sons Ltd , 2023 , Article)Nonconforming events rarely occur in high-quality processes, and the time between events ((Formula presented.)) is likely to be followed by a skewed distribution, such as an exponential distribution. This paper proposes ... -
An Improved Control Chart for Monitoring Linear Profiles and its Application in Thermal Conductivity
Riaz, Muhammad; Saeed, Usman; Mahmood, Tahir; Abbas, Nasir; Abbasi, Saddam Akber ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In most of the manufacturing processes, we encounter different quality characteristics of a product and process. These characteristics can be categorized into two kinds; study variables (variable of interest) and the ... -
Application of solar PV in the building sector: Prospects and barriers in the GCC region
Ghaleb, Belal; Abbasi, Saddam Akber; Asif, Muhammad ( Elsevier , 2023 , Article)Solar Photovoltaic (PV) can make a significant contribution towards reducing the energy and environmental footprint of buildings. Helped by features like scalability, ease of use, and declining price, PV has become the ... -
Auxiliary-information-based efficient variability control charts for Phase I of SPC
Abbasi, Saddam Akber; Adegoke, Nurudeen A. ( John Wiley and Sons Ltd , 2020 , Article)The inclusion of correlated auxiliary variables into the monitoring scheme of quality characteristic of interest has gained notable attention in recent statistical process control (SPC) literature. Several authors have ... -
Bayesian EWMA control charts based on Exponential and transformed Exponential distributions
Noor, Surria; Noor-ul-Amin, Muhammad; Abbasi, Saddam Akber ( John Wiley and Sons Ltd , 2021 , Article)In this paper, we proposed the Bayesian exponentially weighted moving average (EWMA) control charts for mean under the nonnormal life time distributions. We used the time between events data which follow the Exponential ... -
Bayesian Monitoring of Linear Profiles Using DEWMA Control Structures with Random X
Abbasi, Saddam Akber; Abbas, Tahir; Riaz, Muhammad; Gomaa, Abdel Salam ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)The process structures of manufacturing industry are efficiently modeled using linear profiles. Classical and Bayesian set-ups are two well-appreciated schemes for designing control charts for the monitoring of process ... -
Contributing risk factors of common psychiatric disorders in the Pakistani population
Hashmi, Aisha Nasir; Qamar, Raheel; Taj, Rizwan; Zubair, Usama Bin; Agha, Zehra; Abbasi, Saddam Akber; Azam, Maleeha... more authors ... less authors ( Springer Science and Business Media Deutschland GmbH , 2022 , Article)With an increasing incidence of psychiatric disorders worldwide, there is a need for a better understanding of the population-specific contributing risk factors that are associated with common psychiatric conditions. This ... -
Directionally sensitive homogeneously weighted moving average control charts
Adegoke, Nurudeen A.; Ganiyu, Khadijat Oladayo; Abbasi, Saddam Akber ( Wiley , 2021 , Article)One-sided control charts for monitoring changes in the mean level are proposed in this paper. The proposed charts are given in the form of a homogeneously weighted moving average technique that provides efficient monitoring ... -
Efficient bivariate EWMA charts for monitoring process dispersion
Osei-Aning, Richard; Abbasi, Saddam Akber ( John Wiley and Sons Ltd , 2020 , Article)To ensure high quality standards of a process, the application of control charts to monitor process performance has become a regular routine. Multivariate charts are a preferred choice in the presence of more than one ... -
Efficient cv control charts based on ranked set sampling
Abbasi, Saddam Akber; Abbas, Tahir; Adegoke, Nurudeen Adedayo ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Monitoring process variability is essential for establishing efficient process-control schemes. In practice, when the mean levels of a parameter are constant, and the process variance (or standard deviation) is independent ... -
Efficient GLM-based control charts for Poisson processes
Mahmood, Tahir; Iqbal, Anam; Abbasi, Saddam Akber; Amin, Muhammad ( John Wiley & Sons, Ltd , 2022 , Article)The control charts are essential instruments that can impart crucial insights to quality controllers for maintaining the productivity of manufacturing processes. The conventional charting designs are based on a single study ... -
Efficient homogeneously weighted dispersion control charts with an application to distillation process
Abbasi, Saddam Akber; Nassar, Sara Hussam; Aldosari, Mashael Mohammed; Adeoti, Olatunde A. ( Wiley , 2021 , Article)Monitoring disturbances in process dispersion using control chart is mostly based on the assumption that the quality characteristic follows normal distribution, which is not the case in many real-life situations. This paper ... -
Efficient monitoring of coefficient of variation with an application to chemical reactor process
Mahmood, Tahir; Abbasi, Saddam Akber ( John Wiley and Sons Ltd , 2021 , Article)Control chart is a useful tool to monitor the performance of the industrial or production processes. Control charts are mostly adopted to detect unfavorable variations in process location (mean) and dispersion (standard ... -
An Efficient Robust Nonparametric Triple EWMA Wilcoxon Signed-Rank Control Chart for Process Location
Rasheed, Zahid; Zhang, Hongying; Arslan, Muhammad; Zaman, Babar; Anwar, Syed Masroor; Abid, Muhammad; Abbasi, Saddam Akber... more authors ... less authors ( Hindawi , 2021 , Article)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 follow the distributional assumptions. ... -
Employing evolutionary artificial neural network in risk-adjusted monitoring of surgical performance
Yeganeh, Ali; Shadman, Alireza; Shongwe, Sandile Charles; Abbasi, Saddam Akber ( Springer Science and Business Media Deutschland GmbH , 2023 , Article)Various applications of control charts in the field of health-care monitoring and surveillance can be found in the literature. As one of the major categories, monitoring binary outcomes of cardiac surgeries with the aim ...