적응적 EWMA 피드백 공정 조정

Adaptive EWMA Feedback Process Adjustment

  • 고용해 (명지전문대학 공업경영학과) ;
  • 이성철 (남서울대학교 교양학부) ;
  • 전상표 (인하대학교 통계학과)
  • 발행 : 1999.12.01

초록

An important problem in process adjustment using feedback is how often to sample the process and when to apply an adjustment. Schemes are designed to minimize the overall cost. The cost is taken the frequency with which they require observations to be made, and the resulting overall length of time between adjustments. In this article, the process adjustment which is based on the adaptive EWMA forecasts is derived. An example is presented to improve the standard variation through the analysis of data series.

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