نتایج جستجو برای: system optimization

تعداد نتایج: 2465940  

Journal: :Transactions of the Society of Instrument and Control Engineers 1976

A. Kaveh, N. Hatami, P. Hosseini, S. R. Hoseini Vaez,

Metaheuristic algorithms are preferred by the many researchers to reach the reliability based design optimization (RBDO) of truss structures. The cross-sectional area of the elements of a truss is considered as design variables for the size optimization under frequency constraints. The design of dome truss structures are optimized based on reliability by a popular metaheuristic optimization tec...

Journal: :journal of computational applied mechanics 0
seddigheh jalilirad department of mechatronics engineering, college of engineering, south tehran branch, islamic azad university, tehran, iran mohammad hassan cheraghali department of mechatronics engineering, college of engineering, south tehran branch, islamic azad university, tehran, iran hossein ahmadi danesh ashtiani department of mechatronics engineering, college of engineering, south tehran branch, islamic azad university, tehran, iran

the paper studies optimization of shell-and-tube heat exchangers using the particle swarm optimization technique. a total cost function is formulated based on initial and annual operating costs of the heat exchangers. six variables – shell inside diameter, tube diameter, baffle spacing, baffle cut, number of tube passes and tube layouts (triangular or square) – are considered as the design para...

ANN Murthy K Chandrashekara Vijay M Kumar

The production planning problem of flexible manufacturing system (FMS) concerns with decisions that have to be made before an FMS begins to produce parts according to a given production plan during an upcoming planning horizon. The main aspect of production planning deals with machine loading problem in which selection of a subset of jobs to be manufactured and assignment of their operations to...

The operation of a distribution system in the presence of distributed generation systems has someadvantages and challenges. Optimal sizing and siting of DG systems has economic, technical, andenvironmental benefits in distribution systems. Improper selection of DG systems can reduce theseadvantages or even result in deterioration in the normal operation of the distribution system. DGallocation ...

In this study a simulation-optimization model is developed for deriving operation rule-curves in drought ‎periods. To each reservoir, two rule-curves with adjustable monthly levels are introduced dividing the ‎reservoir capacity into three zones between the normal water level and minimum operation level. To each ‎zone of a reservoir and for each month of the year a hedging coefficient is introd...

Journal: :journal of advances in computer research 0
hasan nasiri soloklo department of electrical engineering, firoozkooh branch, islamic azad university, firoozkooh, iran malihe maghfoori farsangi electrical engineering department, shahid bahonar university of kerman, kerman, iran

in this paper, a new alternative method for order reduction of high order systems is presented based on optimization of multi objective fitness function by using harmony search algorithm. at first, step response of full order system is obtained as a vector, then, a suitable fixed structure considered for model order reduction which order of original system is bigger than fixed structure model. ...

This study proposes a modified version of cultural algorithms (CAs) which benefits from rule-based system for influence function. This rule-based system selects and applies the suitable knowledge source according to the distribution of the solutions. This is important to use appropriate influence function to apply to a specific individual, regarding to its role in the search process. This rule ...

Journal: :international journal of smart electrical engineering 2015
mahdie hasanpour qadikolai sina mohammadi

this paper, presents a suitable control system to manage energy in distributed power generation system with a battery energy storage station and fuel cell. first, proper dynamic shape modeling is prepared. second, control system is proposed which is based on classic controller. this model is educated with genetic algorithm and particle swarm optimization. the proposed strategy is compared with ...

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