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Monitoring a Multiple Stream Filling Operation Using Fractional Samples

Summary: [This abstract is based on the authors' abstract.] A multiple stream process is investigated in which only a fraction of the total streams can be monitored at a given time. This situation occurs when speed of production is great and includes a large number of streams, but the monitoring process is not fully automated. The adaptive fractional-sampling approach applied to the 52 stream filling operation in a beverage bottling facility is shown to give superior results to the fixed fraction scheme and provides great flexibility.

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  • Topics: Statistical Process Control (SPC)
  • Keywords: Average run length (ARL), Case study, Variables sampling plans, Statistical process control (SPC), Markov chains
  • Author: Lanning, Jeffrey W. (lanningjw2@cs.com); Montgomery, Douglas C.; Runger, George C.
  • Journal: Quality Engineering