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Acceptance X-bar chart considering the sample distribution of capability indices, C ˆ p and C ˆ p k
International Journal of Quality & Reliability Management, 2019 Purpose The traditional Shewhart control chart, the X-bar and R/S chart, cannot give support to decide when it is not economically feasible to stop the process in order to remove special causes.
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A New Control Scheme Always Better Than X-Bar Chart
Communications in Statistics - Theory and Methods, 2010A new control scheme is proposed by borrowing the idea of the Benjamini–Hochberg procedure for controlling the false discovery rate in multiple testing. It is shown theoretically that the proposed 2-span control scheme outperforms the Shewhart X-bar chart in terms of the average run length under any size of mean shifts. Some simulations are carried out
Lee, SH, Jun, CH
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Effect of measurement errors on triple sampling X¯${{\bar{\bm X}}}$ chart
Quality and Reliability Engineering International, 2022AbstractThe performance of the triple sampling (TS) chart is investigated by using a linear covariate error model that considers the presence of measurement errors (ME), called the TS‐ME chart. The sensitivity of the TS‐ME chart is evaluated by means of the average run length (ARL) and standard deviation of the run length (SDRL) performance measures ...
Adamu A. Umar +3 more
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Estimation in X-bar control charts: effects and corrections
The International Journal of Advanced Manufacturing Technology, 2014 This paper presents an approach for improving the control limits of \( \overline{X} \) control charts when the parameters of the process are estimated and the control chart is in operation. In these conditions, the observed average run length (ARL) may be very different from the planned ARL since the parameter estimates may have a larger error.
Roberto da Costa Quinino +2 more
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Fitting X-bar Chart to the Traditional Transaction Surveys Analysis
Association of Marketing Theory and Practice Proceedings, 2010Traditional transaction surveys such as service feedback cards (SFCs) are widely embraced by different service organizations to measure a service quality or to assess customer satisfaction with specific transactions. This paper pursues to apply the statistical quality control technique of -chart (X-bar) to analyze the scaled collected data of these ...
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Deep Learning-Based Intelligent X-Bar Control Chart for Monitoring Manufacturing Process
2024 IEEE International Conference on Artificial Intelligence in Engineering and Technology (IICAIET)The X-bar control chart is a statistical tool widely employed in manufacturing to detect irregularities in product quality and machine deviation over time.
Faouzi Tayalati +3 more
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Contour Approach for Analysis of Minimum Regions for the Economic Statistical Design of X-Bar Control Charts [PDF]
Journal of Service Science and Management—Visualization of the patterns or behaviors of complex functions is an important approach to identify their solution spaces. This approach can lead to improve the design of search algorithms for optimization purposes.
S. Caballero-Morales, A. Rahim
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SIX SIGMA-BASED X-BAR CONTROL CHART FOR CONTINUOUS QUALITY IMPROVEMENT
, 2016 International Journal for Quality Research; Vol 10, No 2, 2016.
J. Ravichandran
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