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가변모수를 갖는 EWMA 관리도

EWMA Control Charts with Variable Parameter

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참고문헌

주제분류학제간연구

초록

Abstract

Variable sampling rate(VSR) scheme varies the sampling rate for the current sample depending on the previous value of the control statistic. In this paper, we propose EWMA control charts with variable parameter(VP) scheme, which allows both the sample rate(the sample size or the sampling interval) and the weight to vary. We investigate the effectiveness of the VP scheme relative to the fixed parameter(FP) scheme and the VSR scheme in EWMA control charts. It is shown that using the VP scheme gives some improvements to the ability in detecting small and moderate shifts in the process normal mean.

참고문헌 (10)

  1. "CUSUM Control Charts with Variable Sample Sizes and Sampling Intervals", 33(1), pp.66~81 (2001)
  2. "Charts with Variable Sample Size", 26(3), pp.155~163 (1994)
  3. "Design and Testing of Generalized Reduced Gradient Code for Nonlinear Programming ACM Transactions on Mathematical Software", 4, pp.34~50 (1978)
  4. "Economic Design of a Variable Sampling Rate EWMA Chart", 36(5), pp.387~399 (2004)
  5. "Economic Design of a Variable Sampling Rate -Chart", 31(4), pp.427~443 (1999)
  6. "A Combined Adaptive Sample Size and Sampling Interval Control Scheme", 26(3), pp.164~176 (1994)
  7. "Charts with Variable Sampling Interval", tech 30(metrics) (1988)
  8. "Optimal Shewhart Control Charts with Variable Sampling Intervals between Samples", 8(1), pp.51~77 (1989)
  9. "EWMA Control Charts with Variable Sample Sizes and Variable Sampling Intervals", 33(6), pp.511~530 (2001)
  10. "Adaptive Sampling Enhancements for Shewhart Control Charts", 25(3), pp.41~51 (1993)

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