Minimum cost allocation of quality improvement targets under supplier process disruption

Weijia Wang, Robert D. Plante and Jen Tang

European Journal of Operational Research, 2013, vol. 228, issue 2, 388-396

Abstract: This paper presents a system cost model to assist a manufacturer in assessing the minimum cost allocations of quality improvement targets to suppliers. The model accounts for the effects of autonomous learning and induced learning on quality improvement, via variance reductions of supplier processes. The model further accounts for the effects of planned and unplanned disruptions in supplier production processes, where such gaps in production decreases the amount of autonomous learning while providing an opportunity for induced learning, thereby counteracting the effect of disruptions on process improvement. An optimization model is developed that obtains the quality improvement allocations that minimize system expected cost to both suppliers and manufacturer. The proposed models also account for both the uncertainty in the realized induced learning rate as well as uncertainty in the realized level of process disruptions. An example is used to demonstrate an implementation of the proposed models and to assess the sensitivity of the optimal target allocations to several model parameters.

Keywords: Quality management; Manufacturer and supplier process; Process disruption; Autonomous learning; Induced learning (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (9)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:228:y:2013:i:2:p:388-396

DOI: 10.1016/j.ejor.2013.01.048

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