نتایج جستجو برای: heterogeneous vehicles routing

تعداد نتایج: 234070  

In recent years, great efforts have been made to reduce greenhouse gas emissions by vehicles. Petroleum products produces greenhouse gas emissions, therefore reducing the use of these products can make a major contribution to reducing pollution. The Fleet Size and Mix Vehicle Routing Problem is one of the most widely used routing branches. In this problem, there are vehicle with different capac...

Vehicular ad hoc networks (VANETs) are a particular type of Mobile ad hoc networks (MANET) in which the vehicles are considered as nodes. Due to rapid topology changing and frequent disconnection makes it difficult to design an efficient routing protocol for routing data among vehicles. In this paper, a new routing protocol based on glowworm swarm optimization algorithm is provided. Using the g...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...

Journal: :Computers & OR 2015
Çagri Koç Tolga Bektas Ola Jabali Gilbert Laporte

This paper presents a hybrid evolutionary algorithm (HEA) to solve heterogeneous fleet vehicle routing problems with time windows. There are two main types of such problems, namely the fleet size and mix vehicle routing problem with time windows (F) and the heterogeneous fixed fleet vehicle routing problem with time windows (H), where the latter, in contrast to the former, assumes a limited ava...

2015
Shannon Pace Ayad Turky Irene Moser Aldeida Aleti

The Heterogeneous Fleet Capacitated Vehicle Routing Problem with Time Windows and ThreeDimensional Loading Constraints (3L-HFCVRPTW) combines the aspects of 3D loading, heterogeneous transport with capacity constraints and time windows for deliveries. It is the first formulation that comprises all these aspects and takes its inspiration from a practical problem of distributing daily fibre board...

2015
S. Pace A. Turky I. Moser A. Aleti

The Heterogeneous Fleet Capacitated Vehicle Routing Problem with Time Windows and ThreeDimensional Loading Constraints (3L-HFCVRPTW) combines the aspects of 3D loading, heterogeneous transport with capacity constraints and time windows for deliveries. It is the first formulation that comprises all these aspects and takes its inspiration from a practical problem of distributing daily fibre board...

Journal: :مهندسی صنایع 0
محمد جعفر تارخ دانشیار دانشکده مهندسی صنایع- دانشگاه صنعتی خواجه نصیرالدین طوسی نورالدین دبیری دانشجوی دکترای دانشکده مهندسی صنایع- دانشگاه صنعتی خواجه نصیرالدین طوسی وحید یدالله نژاد کلمی کارشناس مهندسی صنایع- شرکت فرگاز مازندران

vehicle routing problem (vrp) is one of the major problems in the transportation and distribution planning. in the most previous studies, the objective of vrp models was distance and vehicle related costs. however in many industrial cases along with routing distance, vehicle loading amount is a factor of cost function. in this paper, we formulate a mixed integer non-linear programming (minlp) m...

Journal: :advances in railway engineering,an international journal 2013
masoud rabbani neda manavizadeh a shamekhi

in this article, multiple-product pvrp with pickup and delivery that is used widely in goods distribution or other service companies, especially by railways, was introduced. a mathematical formulation was provided for this problem. each product had a set of vehicles which could carry the product and pickup and delivery could simultaneously occur. to solve the problem, two meta-heuristic methods...

2010
RAJEEV DOSHI RIDDHI RAJEEV DOSHI Sivakumar Rathinam Darbha Swaroop Sergiy Butenko Dennis O’ Neal Riddhi Rajeev Doshi

Approximation Algorithms and Heuristics for a 2-Depot, Heterogenous Hamiltonian Path Problem. (August 2010) Riddhi Rajeev Doshi, B.E., North Gujarat University, Patan, India Chair of Advisory Committee: Dr. Sivakumar Rathinam Various civil and military applications of UAVs, or ground robots, require a set of vehicles to monitor a group of targets. Routing problems naturally arise in this settin...

Journal: :international journal of industrial engineering and productional research- 0
yahia zare mehrjerdi department of industrial engineering, yazd university yazd iran ali nadizadeh

using greedy clustering method to solve capacitated location-routing problem with fuzzy demands abstract in this paper, the capacitated location routing problem with fuzzy demands (clrp_fd) is considered. in clrp_fd, facility location problem (flp) and vehicle routing problem (vrp) are observed simultaneously. indeed the vehicles and the depots have a predefined capacity to serve the customerst...

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