Pengembangan Bagan Kendali 3 Sigma Berbasis Simulasi Untuk Pengawasan Variabilitas Proses Multivariat

  • Rahmat Sagara Institute Teknologi dan Bisnis Kalbis
  • Khoirul Umam Institute Teknologi dan Bisnis Kalbis
Keywords: control chart, generalized variance, simulation, 3 sigma paradigm

Abstract

This article describes a method in developing control charts for generalized variance as a quality statistics in terms of process variability through simulation. Mathematical equation that maps sample size n and number of quality variables p onto constant multiplier of standard deviation K is obtained thorough least square method using simulated data. The constant K for a certain n and p is used for control charts with the  upper control limits of UCL=μ+Kσ where μ and σ are the mean and the standard deviation of the generalized variance, respectively. The simulation of finding the constant K is used with the constraint of 3 sigma paradigm.

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Published
2020-09-28