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| Titel: |
Economical process adjustment with sampling interval |
| Auteur: |
Srivastava, M S. |
| Verschenen in: |
Communications in statistics |
| Paginering: | Jaargang 25 (1996) nr. 10 pagina's 2403-2430 |
| Jaar: |
1996 |
| Inhoud: |
Srivastava and Wu and Box and Kramer considered an integrated moving average process of order one with sampling interval for process adjustment. However, the results were obtained by asymptotic methods and simulations respectively. In this paper, these results are obtained analytically. It is assumed that there is a sampling cost and an adjustment cost. The cost of deviating from the target-value is assumed to be proportional to the square of the deviations. The long-run average cost is evaluated exactly in terms of moments of the randomly stopped random walk. Two approximations are given and shown by simulation to be close to the exact value One of these approximations is used to obtain an explicit expression for the optimum value of the inspection interval and the control limit where an adjustment is to be made. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 5 van 18 gevonden artikelen
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