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On a class of mixed EWMA‐CUSUM median control charts for process monitoring
Quality and Reliability Engineering International, 2020AbstractMonitoring of any manufacturing, production, or industrial process can be controlled and improved by removing these special cause of variations using control charts. Shewhart‐type control charts are effective to control a large amount of special variations, whereas, cumulative sum (CUSUM) and exponentially weighted moving average (EWMA) charts ...
Shahid Hussain 0005 +3 more
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Gradation Chart for Asphalt Mixes: Development
Journal of Materials in Civil Engineering, 2007The gradation chart approach is based on the two parameters of Fuller's model (i.e., maximum size diameter and shape factor) which are obtained by fitting well-graded structures like those of Superpave or Covenin. ASTM mathematical definitions for gravel and sand, and Fuller's model are used to develop an analytical expression for a gravel-to-sand ...
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A mixed control chart using process capability index
Sequential Analysis, 2017ABSTRACTControl charts are considered as a compulsory tool for the monitoring and improvement of the quality of products. The commonly used attribute and the variable control charts are unsatisfactory for process monitoring. To overcome this difficulty, we proposed a monitoring scheme that is an improved technique based on the joint merits of the ...
Aslam, M. +4 more
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Mixed EWMA–CUSUM chart for COM-Poisson distribution
Journal of Statistics and Management Systems, 2019In this article, we develop a mixed EWMA-CUSUM control chart for monitoring moderate and/or small shift in the process following the Conway Maxwell Poisson (COM-Poisson) distribution.
Gadde Srinivasa Rao +3 more
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A multivariate sign chart for monitoring dependence among mixed-type data
Computers & Industrial Engineering, 2018Abstract Statistical process control (SPC) has been widely utilised for quality improvement and surveillance in industrial engineering. Modern industrial applications have witnessed more and more mixed-type quality characteristics such as those consisting of ordinal categorical and continuous ones.
Junjie Wang 0002 +3 more
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The annual music charts: the communal musical taste mix in Israel
Israel Affairs, 2020Radio is a cultural producer and a main player in the music industry. Radio operates a system that determines which music will be broadcast and which music will not make it ‘on the air,’ functionin...
Tal Laor, Yair Galily
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Mixed Exponentially Weighted Moving Average–Cumulative Sum Charts for Process Monitoring
Quality and Reliability Engineering International, 2012The control chart is a very popular tool of statistical process control. It is used to determine the existence of special cause variation to remove it so that the process may be brought in statistical control. Shewhart‐type control charts are sensitive for large disturbances in the process, whereas cumulative sum (CUSUM)–type and exponentially weighted
Nasir Abbas +2 more
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A mixed GWMA–CUSUM control chart for monitoring the process mean
Communications in Statistics - Theory and Methods, 2017ABSTRACTThe memory-type control charts are widely used in the process and service industries for monitoring the production processes. The reason is their sensitivity to quickly react against the small process disturbances. Recently, a new cumulative sum (CUSUM) chart has been proposed that uses the exponentially weighted moving average (EWMA) statistic,
Rizwan Ali, Abdul Haq
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Charting the Tractability Frontier of Mixed Multi-Unit Combinatorial Auctions. [PDF]
, 2009 A significantly complete account of the complexity underlying the computation of relevant solution concepts in compact coalitional games is provided. The starting investigation point is the setting of graph games, about which various long-standing open problemswere stated in the literature.
Fionda, Valeria, Greco, Gianluigi
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Mix design charts for lightweight cellular cemented Bangkok clay
Applied Clay Science, 2015This research investigates unit weight and strength development over curing time of Lightweight Cellular Cemented (LCC) Bangkok clay with various cement contents between 100 and 250 kg/m3 and the air foam contents between 0 and 50% of the volume of wet soil.
Chairat Teerawattanasuk +2 more
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