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순환주기나 빈번한 작은 이동이 발생하는 공정관리를 위한 Z-CUSUM 관리도
The Z-CUSUM Control Chart for the Process with Recurring Cycles or Frequent Small Shifts
강해운 ( Hae Woon Kang ) , 강창욱 ( Chang Wook Kang ) , 백재원 ( Jae Won Paik )
UCI I410-ECN-0102-2009-320-002881913

CUSUM control charts are widely used to monitor processes with small shifts. CUSUM control charts are, however, less effective in detecting for recurring cycles or frequent small shifts in the processes. With Shewhart control charts, we have applied the variety of run rules to check the stability of process in addition to the situations that some points fall outside the control limits. In this paper, we propose the Z-CUSUM control chart for monitoring the process with recurring cycles or frequent small shifts by use of the zone concept as like the Shewhart control charts.

[자료제공 : 네이버학술정보]
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