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1、Journal of Food Engineering 169 (2016) 61e71Contents lists available at ScienceDirectJournal of Food Engineeringjournal homepage: www.elsevier.com/locate/jfoodengA vehicle routing problem of both refrigerated- and general-typevehicles for perishable food products deliveryByung Duk Song a, Young Dae
2、 Ko b, *aDepartment of Industrial and Systems Engineering, Korea Advanced Institute of Science and Technology, Guseong-dong, Yuseong-gu, Daejeon 305-701,Republic of KoreabData Analytics Group, Deloitte Consulting, Deloitte Touche Tohmatsu Limited, One IFC, 23, Yoido-dong, Youngdeungpo-gu, Seoul 1
3、50-945,Republic of Koreaa r t i c l e i n f oArticle history:Received 15 August 2014Received in revised form30 July 2015Accepted 24 August 2015Available online 28 August 2015Keywords:Perishable food product deliveryRefrigerated-type vehicleMulti-commodityVehicle routing problemHeuristic algorithm1.
4、 Introductiona b s t r a c tThis study examines a vehicle routing problem that encompasses both refrigerated- and general-type ofvehicles for multi-commodity perishable food products delivery. It is assumed that both the location andthe volume of the ordered food products for each customer are kno
5、wn. Furthermore, the capacity,maximum delivery time, and available number of both refrigerated- and general-type of vehicles arepredetermined. By reflecting these characteristics, we develop a nonlinear mathematical model and aheuristic algorithm to generate efficient vehicle routings with the object
6、ive of maximizing the total levelof the customer satisfaction which is dependent on the freshness of delivered food products. In addition,numerical examples and sensitivity analysis are provided to show the validity of the model. The aim ofthis study is to confirm the performance and the availabilit
7、y of refrigerated-type vehicle for perishablefood products delivery compared with general-type one.© 2015 Elsevier Ltd. All rights reserved.stores. Customers can get their items within several hours duringt