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Communication Dans Un Congrès Année : 1997

AN OPTIMAL CONTROL CHART FOR NON-NORMAL PROCESSES

Résumé

In this paper we present the application of a control chart for non-normal processes. This chart, which looks like an X S control chart is built with a leastsquares L-estimator, which can replace the arithmetic mean and standard deviation usually calculated for Shewhart charts. This estimator has the property to provide a minimum variance estimation of the process position and scattering. This, disregarding data distribution. We focused our attention on " multi-generators " processes, like screw-machines or multi-die holder for injection molding, these processes have the property to generate non-normally distributed pieces.
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Dates et versions

hal-00974314 , version 1 (06-04-2014)

Identifiants

  • HAL Id : hal-00974314 , version 1

Citer

Emmanuel Duclos, Maurice Pillet. AN OPTIMAL CONTROL CHART FOR NON-NORMAL PROCESSES. 1st IFAC Workshop on Manufacturing Systems: Manufacturing Modelling, Management and Control, 1997, Austria. 12 p. ⟨hal-00974314⟩
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