نتایج جستجو برای: simulated annealing sa
تعداد نتایج: 172508 فیلتر نتایج به سال:
In the last decade, many heuristic methods have evolved for solving optimization problems that were previously difficult or impossible to solve. These methods include simulated annealing (SA), tabu search (TS), genetic algorithm (GA), differential evolution (DE), evolutionary programming (EP), evolutionary strategy (ES), ant colony optimization (ACO), and particle swarm optimization (PSO). This...
fuzzy cognitive maps (fcms) have successfully been applied in numerous domains to show the relations between essential components in complex systems. in this paper, a novel learning method is proposed to construct fcms based on historical data and by using meta-heuristic: genetic algorithm (ga), simulated annealing (sa), and tabu search (ts). implementation of the proposed method has demonstrat...
سد خاکی سازه ای است به صورت همگن یا غیرهمگن به منظور بالا آوردن سطح آب یا ذخیره آن ساخته میشود. سدهای خاکی از اجزای مختلفی تشکیل شده که یکی از مهمترین اجزای آن هسته سد میباشد. از این روطراحی بهینه هسته سد خاکی، نوع مصالح و ابعاد و شکل آن از اهمیت زیادی برخوردار است. بطوری که با کمترین حجم مصالح، بیشترین تاثیر را در کاهش میزان تراوش از بدنه سد و حفظ پایداری آن داشته باشد. هدف از انجام تحقیق تو...
abstract: in this paper, an exergy analysis approach is proposed for optimal design of distillation column by using simulated annealing algorithm. first, the simulation of a distillation column was performed by using the shortcut results and irreversibility in each tray was obtained. the area beneath the exergy loss profile was used as irreversibility index in the whole column. then, first opti...
The binary computer-generated hologram (BCGH) has attracted much attention recently because it can address the high-speed spatial light modulator (SLM), such as a digital micromirror device (DMD) SLM. In this paper, our concern is development of an algorithm to produce high-quality BCGHs. particular, simulated annealing (SA) efficient used phase-only hologram. study SA for production BCGH, we f...
Earth dam is a structure as homogeneous or non-homogeneous forms for raising water level or water supply. Earth dam consist of different parts that one of the main parts is clay core. Choosing an optimal non permeable core which causes reduction of seepage through dam body and also being stable is necessary. The objective of this research is to optimize the geometry of earth dam clay core such ...
This paper addresses the Vehicle Routing Problem with Delivery Time Cost. This problem aims to find a set of routes of minimal total costs including the travelling cost and delivery time cost, starting and ending at the depot, in such a way that each customer is visited by one vehicle given the capacity of the vehicle to satisfy a specific demand. In this research, a hybrid metaheuristic approa...
This paper proposes a mixed integer programming model for single-item capacitated lot-sizing problem with setup times, safety stock, demand shortages, outsourcing and inventory capacity. Due to the complexity of problem, three meta-heuristics algorithms named simulated annealing (SA), vibration damping optimization (VDO) and harmony search (HS) have been used to solve this model. Additionally, ...
In this paper, a model is presented to locate ambulances, considering backup facility (to increase reliability) and the restriction of ambulance capacity. This model is designed for emergencies. In this model the covered demand for each demand point depends on the number of coverage times and the amount of demand. The demand amount and ambulance coverage radius are considered...
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