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Effect of Inspection Policies and Residual Value of Collected Used Products: A Mathematical Model and Genetic Algorithm for a Closed-Loop Green Manufacturing System

Department of Hotel and Tourism Management, College of Hospitality and Tourism, Sejong University, Seoul 05006, Korea
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Sustainability 2017, 9(9), 1589; https://doi.org/10.3390/su9091589
Received: 4 August 2017 / Revised: 25 August 2017 / Accepted: 6 September 2017 / Published: 6 September 2017
(This article belongs to the Special Issue Reverse Logistics: An Interdisciplinary Approach)
In the green manufacturing system that pursues the reuse of used products, the residual value of collected used products (CUP) hugely affects a variety of managerial decisions to construct profitable and environmental remanufacturing plans. This paper deals with a closed-loop green manufacturing system for companies which perform both manufacturing with raw materials and remanufacturing with collected used products (CUP). The amount of CUP is assumed as a function of buy-back cost while the quality level of CUP, which means the residual value, follows a known distribution. In addition, the remanufacturing cost can differ according to the quality of the CUP. Moreover, nowadays companies are subject to existing environment-related laws such as Extended Producer Responsibility (EPR). Therefore, a company should collect more used products than its obligatory take-back quota or face fines from the government for not meeting its quota. Through the development of mathematical models, two kinds of inspection policies are examined to validate the efficiency of two different operation processes. To find a managerial solution, a genetic algorithm is proposed and tested with numerical examples. View Full-Text
Keywords: green manufacturing; re-manufacturing; reverse logistics; residual value; minimum quality lever; inspection policy; genetic algorithm green manufacturing; re-manufacturing; reverse logistics; residual value; minimum quality lever; inspection policy; genetic algorithm
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Song, B.D.; Ko, Y.D. Effect of Inspection Policies and Residual Value of Collected Used Products: A Mathematical Model and Genetic Algorithm for a Closed-Loop Green Manufacturing System. Sustainability 2017, 9, 1589.

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