نتایج جستجو برای: meta heuristics methods
تعداد نتایج: 2025748 فیلتر نتایج به سال:
The attributes of Vehicle Routing Problems are additional characteristics or constraints that aim to better take into account the specificities of real applications. The variants thus formed are supported by a well-developed literature, including a large variety of heuristics. This article first reviews the main classes of attributes, providing a survey of heuristics and meta-heuristics for Mul...
This article describes the origin and significant developments associated with the field of meta-heuristics as they relate to global optimization. Meta-heuristics provide a means for approximately solving complex optimization problems. These methods are designed to search for global optima; however, they cannot guarantee that the best solution found after termination criteria are satisfied is i...
In this paper we introduce a two phase hyper-heuristic search method for solving the Eternity II puzzle. Eternity II is a challenging money prized edge matching puzzle. Solving the puzzle has been shown to be NP-complete [2]. Hyper-heuristics [1] are a recent trend in heuristic algorithms. They tend to be more general methods than meta-heuristics for solving optimization problems. Hyper-heurist...
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...
Nowadays, several methods in production management mainly focus on the different partners of supply chain management. In real world, the capacity of planes is limited. In addition, the recent decade has seen the rapid development of controlling the uncertainty in the production scheduling configurations along with proposing novel solution approaches. This paper proposes a new mathematical model...
Abstract Every year, new ontology matching approaches have been published to address the heterogeneity problem in ontologies. It is well known that no one able stand out from others all aspects. An meta-matcher combines different alignment techniques explore various aspects of avoid performance being restricted some characteristics. The meta-matching process consists several stages execution, a...
This paper proposes a new mixed integer programming model for multi-item capacitated lot-sizing problem with setup times, safety stock and demand shortages in closed-loop supply chains. The returned products from customers can either be disposed or be remanufactured to be sold as new ones again. Due to the complexity of problem, three meta-heuristics algorithms named simulated annealing (SA) al...
In order to lowering level of emissions of internal combustion engines (ICEs), they should be optimally controlled. However, ICEs operate under numerous operating conditions, which in turn makes it difficult to design controller for such nonlinear systems. In this article, a generalized unique controller for idle speed control under whole loading conditions is designed. In the current study, in...
Meta-heuristics are algorithms which are applied to solve problems when conventional algorithms can not find good solutions in reasonable time; evolutionary algorithms are perhaps the most well-known examples of meta-heuristics. As there are many possible meta-heuristics, finding the most suitable meta-heuristic for a given problem is not a trivial task. In order to make this choice, one can de...
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