نتایج جستجو برای: capacitated vehicle routing problem

تعداد نتایج: 1016025  

2013
Rafael Martinelli Claudio Contardo

In this article we introduce the Quadratic Capacitated Vehicle Routing Problem (QCVRP), a combinatorial optimization problem that arises in practical applications in logistics and transportation. The QCVRP extends two other known problems, the Capacitated Vehicle Routing Problem (CVRP) and the Quadratic Symmetric Traveling Salesman Problem (QSTSP), the former by considering a modified cost matr...

Journal: :Computers & OR 2015
Ismail Karaoglan Fulya Altiparmak

In this paper, a hybrid genetic algorithm is proposed to solve a Capacitated Location-Routing Problem. The objective is to minimize the total cost of the distribution in a network composed of depots and customers, both depots and vehicles have limited capacities, each depot has a homogenous vehicle fleet and customers’ demands are known and must be satisfied. Solving this problem involves makin...

In this work, the capacitated location-routing problem with simultaneous pickup and delivery (CLRP-SPD) is considered. This problem is a more realistic case of the capacitated location-routing problem (CLRP) and belongs to the reverse logistics of the supply chain. The problem has many real-life applications of which some have been addressed in the literature such as management of liquid petrol...

2006
Michael Polacek Karl F. Doerner Richard F. Hartl Vittorio Maniezzo

In this talk we present a unified Variable Neighborhood Search (VNS) algorithm for the Capacitated Arc Routing Problem (CARP) and some of its variants the Capacitated Arc Routing Problem with Intermediate Facilities (CARPIF) and the Capacitated Arc Routing Problem with Intermediate Facilities and Length restrictions (CLARPIF). Routing problems represent one of the most prominent classes of mode...

2001
J. C. Hartman

This abstract describes a branch, cut, and price (BCP) algorithm for the solution of a class of network design problems with routing and packing constraints that can all be seen as special cases of a general model we will call the Capacitated Node Routing Problem (CNRP). We present several alternative integer programming formulation of the CNRP that can be shown to generalize a number of other ...

Journal: :Oriental journal of computer science and technology 2017

Journal: :Proceedings of the Institute for System Programming of the RAS 2019

2013
Mieczyslaw Wodecki Wojciech Bozejko Michal Karpinski Maciej Pacut

The goal of this paper is to propose and test a new memetic algorithm for the capacitated vehicle routing problem in parallel computing environment. In this paper we consider a simple variation of the vehicle routing problem in which the only parameter is the capacity of the vehicle and each client only needs one package. We analyze the efficiency of the algorithm using the hierarchical Paralle...

Journal: :Journal of Computer Science and Cybernetics 2017

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