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| Tekijä: | Chen, W. H. |
| Otsikko: | The effects of SPC on the target of process quality improvement (Qualitätssteuerung) |
| Lehti: | Journal of Quality Technology
1996 : APR, VOL. 28:2, p. 224-232 |
| Asiasana: | |
| Vapaa asiasana: | STATISTISCHE QUALITÄTSKONTROLLE, KOSTEN NUTZEN ANALYSE, INVESTITION, KOSTENKONTROLLE |
| Kieli: | eng |
| Tiivistelmä: | Traditional economic decisions about the target of process quality improvement focus on the tradeoff between investment costs and the direct benefit realized from the improved process. Given characteristics of an improved process, a scheme for statistical process control may be redesigned to have appropriate values of inspection interval, sample size, and control limits. This research compares the cost effectiveness of simultaneous decisions on the process improvement target and on the control chart parameters to a sequential approach. The results reveal that a lofty process improvement target can decrease total system costs. |
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