Inspection Manpower Planning for X & S Control Charts

Wen An Yang; Wen He Liao; Yu Guo

doi:10.4028/www.scientific.net/AMR.488-489.1624

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 488-489Inspection Manpower Planning for X & S Control...

Inspection Manpower Planning for X & S Control Charts

Abstract:

A method of determining the optimal number of inspectors and/or working time required on a specific SPC activity is presented in the study. The issue of inspection manpower planning is handled as a constrained optimization problem. The optimization strategy is not only to minimize the avoidable surplus quality loss due to failure of detecting the out-of-control states but to determine the cost of inspection manpower from the perspective of deploying an appropriate amount of inspection manpower in a cost-effective manner, and meanwhile the values of sample size, sampling interval and control limits of control charts are also determined. The result obtained indicates that the total cost (or loss) can be substantially reduced if implementing control charts was equipped with adequate inspection manpower.

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Periodical:

Advanced Materials Research (Volumes 488-489)

Pages:

1624-1630

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.488-489.1624

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Online since:

March 2012

Authors:

Wen An Yang, Wen He Liao, Yu Guo

Keywords:

Control Chart, Inspection Manpower Planning, Quality Loss, Statistical Process Control (SPC)

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