نتایج جستجو برای: Meta-heuristic Algorithm

تعداد نتایج: 935951  

Journal: :international journal of optimaization in civil engineering 0
s. asil gharebaghi m. ardalan asl

a new meta-heuristic method, based on neuronal communication (nc), is introduced in this article. the neuronal communication illustrates how data is exchanged between neurons in neural system. actually, this pattern works efficiently in the nature. the present paper shows it is the same to find the global minimum. in addition, since few numbers of neurons participate in each step of the method,...

Journal: :تحقیقات مالی 0
مرتضی الهی دانشجوی کارشناسی ارشد مهندسی صنایع، دانشگاه یزد، یزد، ایران محسن یوسفی دانشجوی کارشناسی ارشد مهندسی صنایع، دانشگاه یزد، یزد، ایران یحیی زارع مهرجردی دانشیار گروه مهندسی صنایع دانشگاه یزد، یزد، ایران

this paper presents a new meta-heuristic solution to find the efficient frontier using the mean-variance approach. portfolio optimization problem is a quadratic programming model and, changes to np-hard if the number of assets and constraints has increased, and it cannot be solved using common mathematical methods in a reasonable time. therefore, a heuristic or meta-heuristic algorithm should b...

Journal: :journal of advances in computer engineering and technology 2015
behrouz sadeghi vahid khatibi bardsiri monireh esfandiari farzad hosseinzadeh

one of the most important and valuable goal of software development life cycle is software cost estimation or sce. during the recent years, sce has attracted the attention of researchers due to huge amount of software project requests. there have been proposed so many models using heuristic and meta-heuristic algorithms to do machine learning process for sce. cocomo81 is one of the most popular...

Journal: :international journal of communications and information technology 2011
e. valian s. mohanna s. tavakoli

the cuckoo search algorithm is a recently developedmeta-heuristic optimization algorithm, which is suitable forsolving optimization problems. to enhance the accuracy andconvergence rate of this algorithm, an improved cuckoo searchalgorithm is proposed in this paper. normally, the parametersof the cuckoo search are kept constant. this may lead todecreasing the efficiency of the algorithm. to cop...

M. Danesh, M. Jalilkhani,

This study is devoted to discrete sizing optimization of truss structures employing an efficient discrete evolutionary meta-heuristic algorithm which uses the Newton gradient-based method as its updating scheme and it is named here as Newton Meta-heuristic Algorithm (NMA). In order to enable the NMA population-based meta-heuristic to effectively explore the discrete design space, a term contain...

Journal: :journal of optimization in industrial engineering 2011
mohamad mirzazadeh gholam hasan shirdel behrooz masoumi

assigning facilities to locations is one of the important problems, which significantly is influence in transportation cost reduction. in this study, we solve quadratic assignment problem (qap), using a meta-heuristic algorithm with deterministic tasks and equality in facilities and location number. it should be noted that any facility must be assign to only one location. in this paper, first o...

Journal: :international journal of optimaization in civil engineering 0
a. kaveh m. ilchi ghazaan

in this paper, matlab code for a recently developed meta-heuristic methodology, the vibrating particles system (vps) algorithm, is presented. the vps is a population-based algorithm which simulates a free vibration of single degree of freedom systems with viscous damping. the particles gradually approach to their equilibrium positions that are achieved from current population and historically b...

The purpose of this article is to review the literature on the topic of deterministic vehicle routing problem (VRP) and to give a review on the exact and approximate solution techniques. More specifically the approximate (meta-heuristic) solution techniques are classified into: tabu search, simulated annealing, genetic algorithm, evolutionary algorithm, hybrid algorithm, and Ant Colony Opti...

Journal: :civil engineering infrastructures journal 0
hessamoddin meshkat razavi ph.d. candidate, department of civil engineering, faculty of engineering, ferdowsi university of mashhad, mashhad, iran hashem shariatmadar associated professor, department of civil engineering, faculty of engineering, ferdowsi university of mashhad, mashhad, iran

this study is investigated the optimum parameters for a tuned mass damper (tmd) under the seismic excitation. shuffled complex evolution (sce) is a meta-heuristic optimization method which is used to find the optimum damping and tuning frequency ratio for a tmd. the efficiency of the tmd is evaluated by decreasing the structural displacement dynamic magnification factor (ddmf) and acceleration ...

Journal: :journal of optimization in industrial engineering 2011
mohammad jafar tarokh mehdi yazdani mani sharifi mohammad navid mokhtarian

task assignment problem (tap) involves assigning a number of tasks to a number of processors in distributed computing systems and its objective is to minimize the sum of the total execution and communication costs, subject to all of the resource constraints. tap is a combinatorial optimization problem and np-complete. this paper proposes a hybrid meta-heuristic algorithm for solving tap in a h...

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