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| Author: | Maleyeff, J. Lewis, D.A. |
| Title: | X-bar charts or pre-control. An economic evaluation using alternative cost models. |
| Journal: | International Journal of Production Research
1993 : VOL. 31:2, p. 471-482 |
| Index terms: | |
| Freeterms: | QUALITÄTSKONTROLLE, KOSTENKONTROLLE |
| Language: | eng |
| Abstract: | The on-line monitoring techniques of pre-control and X-bar control charts are compared, using two cost models that differ in the treatment of process variation cost. The first cost model assumes that process variation results in increased costs only when out-of-tolerance parts are made, while the second cost model uses Taguchi's loss function to quantify the cost of process variation. The results indicate that the most important consideration in choosing the process monitoring procedure is the assumption regarding the cost of process variation. |
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