نتایج جستجو برای: routing and location problem

تعداد نتایج: 16935875  

2012
Ali Oran Kiat Chuan Tan Boon Hooi Ooi Melvyn Sim Patrick Jaillet

In emergency planning, consideration of emergency priorities is a necessity. This paper presents new formulations of the facility location problem (FLP) and vehicle routing problem with time windows (VRPTW) with considerations of priority. Our models ensure that higher priority locations are considered before the lower priority ones, for both facility and routing decisions. The FLP is solved us...

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...

2015
V. Dhanakoti Nirmala Deve

Many problems in Ad-Hoc network is divided as an optimization problem such as consumption in energy, localization, routing, use of nodes in effective way. To solve these problems set of routing algorithm have been developed based on swarm intelligence. Ant colony algorithm is based on the behavior of ants in swarm intelligence. To enhance the communication we use different protocols and also lo...

Journal: :international journal of industrial engineering computations 2013

2012
Oran Ali Kiat Chuan Tan Boon Hooi Ooi Melvyn Sim Patrick Jaillet Ali Oran

In emergency planning, consideration of emergency priorities is a necessity. This paper presents new formulations of the facility location problem (FLP) and vehicle routing problem with time windows (VRPTW) with considerations of priority. Our models ensure that higher priority locations are considered before the lower priority ones, for both facility and routing decisions. The FLP is solved us...

Journal: :European Journal of Operational Research 2016
Çagri Koç Tolga Bektas Ola Jabali Gilbert Laporte

This paper introduces the fleet size and mix location-routing problem with time windows (FSMLRPTW) which extends the location-routing problem by considering a heterogeneous fleet and time windows. The main objective is to minimize the sum of vehicle fixed cost, depot cost and routing cost. We present mixed integer programming formulations, a family of valid inequalities and we develop a powerfu...

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