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Integration of economic production quantity in optimization design of control chart based on loss function and random process shift

Er‐shun Pan (Industrial Engineering and Logistics Engineering, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China)
Yao Jin (Industrial Engineering and Logistics Engineering, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China)
Ying Wang (Industrial Engineering and Logistics Engineering, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China)

Journal of Manufacturing Technology Management

ISSN: 1741-038X

Article publication date: 11 September 2011

Abstract

Purpose

The purpose of this paper is to develop an extensive economic production quantity (EPQ) model on the basis of previous research. Considering an imperfect three‐state production process, this paper makes contributions to an integrated model combining conceptions of quality loss and design of control chart based on EPQ model. The objective is to minimize the total production cost with the determination of EPQ and design parameters of control chart subjected to quality loss and other process costs.

Design/methodology/approach

In this paper, imperfect process is defined as a three‐state process, and the quality cost corresponding to each state contributes to the eventual total expected cost formulation. Control chart is used to monitor the shift from the target value within whole process and its control limits are set to be related to the quality cost.

Findings

The proposed integrated model conforms more closely to the real situation of production process considering the process shift as a random variable.

Practical implications

Numerical computation and sensitivity analysis through a case study are presented to demonstrate the applications of the model.

Originality/value

Few research efforts investigate an integrated model considering EPQ, control chart and quality loss simultaneously. In particular, compared with the former researches, the process shift, due to which the quality cost incurs, is considered as a random variable in this paper.

Keywords

Citation

Pan, E., Jin, Y. and Wang, Y. (2011), "Integration of economic production quantity in optimization design of control chart based on loss function and random process shift", Journal of Manufacturing Technology Management, Vol. 22 No. 7, pp. 929-946. https://doi.org/10.1108/17410381111160979

Publisher

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Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited