Computer-aided design of &lt;span style="text-decoration: overline"&gt;X&lt;/span&gt; and R charts using teaching-learning-based optimisation algorithm

Ganguly, Abhijeet; Patel, Saroj Kumar

doi:10.1504/ijpqm.2015.071517

Cited by 3 publications

(5 citation statements)

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“…Lastly, papers discussing the economic-statistical design accounted for 43 out of the 242 total papers. category, "others," comprises 13.64% and includes a diverse range of charts such as the R chart, 44,45 SPRT chart, 46,47 MA chart, 48,49 CCC chart, 50,51 and CV chart. 52,53 The CUSUM chart is next, representing 11.16% of the total.…”

Section: Resultsmentioning

confidence: 99%

“…Notably, no studies on the EWMA chart were identified during the periods 1981−1992, 1997, 2002, and 2005. The third category, “others,” comprises 13.64% and includes a diverse range of charts such as the R chart, 44,45 SPRT chart, 46,47 MA chart, 48,49 CCC chart, 50,51 and CV chart 52,53 . The CUSUM chart is next, representing 11.16% of the total.…”

Section: Resultsmentioning

confidence: 99%

“… Other charts : The most commonly applied charts are mentioned above. However, research also considered optimizing other types of control charts such as R chart 44,45 . sequential probability ratio test (SPRT) chart, 46,47 moving average (MA) chart, 48,49 cumulative count of conforming (CCC) chart, 50,51 and coefficient of variation (CV) chart 52,53 …”

Section: Description Of the Classification Scheme And Answers To Rese...mentioning

confidence: 99%

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Optimization design of control charts: A systematic review

Haridy,

Maged,

Alherimi

et al. 2024

Quality & Reliability Eng

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In today's competitive landscape, fulfilling customer expectations and achieving a competitive edge are crucial for business success. These objectives can be attained by effective monitoring in both manufacturing and service sectors to enhance quality, reduce variation, and augment productivity. The control chart, a widely used tool for this purpose, has attracted significant attention from researchers for its ability to detect anomalies and manage out‐of‐control situations. The optimization of control charts, a central focus of this review, not only enhances the detection effectiveness but also maintains the desired false alarm rate, thus ensuring efficient process control without additional cost, complexity, or operational challenges for shop floor personnel. The optimization process involves adjusting charting parameters like the sample size, sampling interval, and control limits within a hypothesis testing framework, thereby achieving optimal system performance. Numerous optimization models have been developed to enhance control chart performance. This paper introduces a classification scheme to analyze and categorize the existing research on control chart optimization. By conducting a thorough review of more than 240 articles, the study pinpoints research gaps and offers valuable insights, thereby advancing the future research in this domain.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Description Of the Classification Scheme And Answers To Rese...mentioning

confidence: 99%

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Optimization design of control charts: A systematic review

Haridy,

Maged,

Alherimi

et al. 2024

Quality & Reliability Eng

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“…We start the analysis using control chart approach (Ganguly and Patel, 2015;Prajapathi and Mahapatra, 2009). This analysis is based on the concept using by Montgomery (2001) which is represented again in Montgomery (2005).…”

Section: Methods On the Stability Of Currency Structurementioning

confidence: 99%

The impact of 2008 credit crisis on currency stability structure

Sharif

Ismail

Omar

2018

IJPQM

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The depreciation of many currencies over the world has retarded the economic development during 2008 credit crisis. The aim of this study is to detect the existence of changes in the currency stability structure by using a new covariance structure test known as S* statistics for high dimensional data involving 74 currencies. Comparisons were made between monthly data and overall data of 2008. Further analysis was conducted using network topology to visualise the pattern of structural changes and identifying which currencies affected by the crisis. The findings disclose that October currency structure has the utmost changes as compared to overall structure 2008. Forty one (or 55%) currencies were affected. The most affected currencies were Austrian schilling (ATS) and followed by Lebanese pound (LBP) and Mexican peso (MXN). These findings reflect the major impact of 2008 credit crisis on deterioration currencies performance.

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“…Initially conventional methods for statistical process monitoring viz. the Shewhart control charts, cumulative sum (CUSUM) charts and exponentially weighted moving average (EWMA) charts were used for process monitoring (Prajapati and Singh, 2014;Ganguly and Patel, 2015;Sultana et al, 2014). The said processes bode well in the case of univariate processes.…”

Section: Introductionmentioning

confidence: 99%

Monitoring of an ingot making facility via principal component analysis and its variants

Suman

Das

2019

IJPQM

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The ingots are a key intermediate product manufactured in the steel making industries. The article delves into the monitoring of the ingot manufacturing facility by making use of the multivariate process monitoring techniques. In order to deal with the various scenarios arising during the production of ingots, different variants viz. multi-block principal component analysis and multi-way principal component analysis are also employed to monitor the process and feed stock characteristics. A comparative analysis of the merits and demerits of the employed variants is also presented in the article based on the case study. On the basis of the findings it may be concluded that the decision regarding the methodology to be adopted depends upon a trade-off between the scope of application of the methodology and the ease of development.

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Computer-aided design of <span style="text-decoration: overline">X</span> and R charts using teaching-learning-based optimisation algorithm

Cited by 3 publications

References 0 publications

Optimization design of control charts: A systematic review

Optimization design of control charts: A systematic review

The impact of 2008 credit crisis on currency stability structure

Monitoring of an ingot making facility via principal component analysis and its variants

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