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## Expansions and algorithms of the fleet and mix vehicle routing problem | ||

Journal of New Researches in Mathematics | ||

مقاله 15، دوره 8، شماره 37، آذر و دی 2022، صفحه 257-284
اصل مقاله (438.99 K)
| ||

نوع مقاله: research paper | ||

شناسه دیجیتال (DOI): 10.30495/jnrm.2023.56923.1994 | ||

نویسندگان | ||

Majid Yousefikhoshbakht ^{} ^{1}؛ Mohamadreza Chaharmahali^{2}
| ||

^{1}Assistant Professor, Department of Mathematics, Faculty of Science, Bu-Ali Sina University, Hamedan, Iran5 | ||

^{2}Department of Mathematics, Faculty of Sciences, Bu-Ali Sina University, Hamedan, Iran | ||

چکیده | ||

The vehicle routing problem (VRP) is one of the most important research issues in operations in industries and services, which is highly regarded today due to the high cost of transportation in the final price of goods. On the other hand, considering that the use of vehicles with different capacities will further reduce this cost, the issue of fleet size and mix vehicle routing (FSMVRP) was introduced and since then significant progress has been made on these issues and their types for use in Real tools were made. In this case, there are different types of vehicles with different capacities available in the unique depot to serve a group of customers with known geographical locations. In addition, in this case, each customer needs a certain amount of goods that must be delivered to them by a fixed fleet of vehicles. The goal is to determine the set of tours for the vehicles with the lowest cost, provided that: each vehicle starts from the depot and returns to it at the end, each customer is visited exactly once by one vehicle and the total customer demand of each tour exceeds the capacity do not exceed any type of vehicle, which is considered Qi. The purpose of this article is to categorize and review issues related to FSMVRP. This paper also provides a comparative analysis of meta-heuristic algorithms for these problems. | ||

کلیدواژهها | ||

Vehicle routing problem؛ Fleet size and mix؛ Hard-NP problems؛ Depot | ||

مراجع | ||

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