Multi-period location-routing-inventory problem based on collector managed inventory in scrap tires recycling systems

被引:0
作者
Tang, Yan [1 ]
Ma, Zu-Jun [2 ]
Zhao, Juan-Juan [1 ]
机构
[1] School of Transportation and Logistics, Southwest Jiaotong University, Chengdu 610031, China
[2] School of Economics and Management, Southwest Jiaotong University, Chengdu 610031, China
来源
Jisuanji Jicheng Zhizao Xitong/Computer Integrated Manufacturing Systems, CIMS | 2011年 / 17卷 / 02期
关键词
Routing algorithms - Location - Recycling - Optimization - Scrap metal reprocessing - Tires;
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学科分类号
摘要
To improve the efficiency and effectiveness of recycling scrap tires, the optimization of standardized recycling systems for scrap tires was studied. A multi-period optimization model for Location-Routing-Inventory Problem (LRIP) based on Collector Managed Inventory (CMI) was developed. Accordingly, the joint optimal decision of locating recycle centers, scheduling routes of collection vehicles, and controlling the two-echelon inventory at recycle centers and collection sites can be made. A two-phase heuristic algorithm was proposed. The initial solution was found by using location-allocation first, route and inventory second approach based on minimal system cost in phase 1. An improvement heuristic search for a better solution based on the initial solution in phase 1 was developed in phase 2. A numerical example results showed that the proposed model and algorithm was valid and CMI-based approach can significantly improve the operating performance of recycling systems for scrap tires.
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页码:397 / 403
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