نتایج جستجو برای: genetic algorithm method

تعداد نتایج: 2682501  

Abstract: In this paper, a method for determination of refractive index in membrane of fuel cell on basis of three-longitudinal-mode laser heterodyne interferometer is presented. The optical path difference between the target and reference paths is fixed and phase shift is then calculated in terms of refractive index shift. The measurement accuracy of this system is limited by nonlinearity erro...

Bostanian, Mohebi Kalhori, Najjari, M. Barakati,

Hybrid Electric Vehicles (HEVs) are driven by two energy convertors, i.e., an Internal Combustion (IC) engine and an electric machine. To make powertrain of HEV as efficient as possible, proper management of the energy elements is essential. This task is completed by HEV controller, which splits power between the IC engine and Electric Motor (EM). In this paper, a Genetic-Fuzzy control strategy...

Journal: :journal of advances in computer research 0

blind source separation technique separates mixed signals blindly without any information on the mixing system. in this paper, we have used two evolutionary algorithms, namely, genetic algorithm and particle swarm optimization for blind source separation. in these techniques a novel fitness function that is based on the mutual information and high order statistics is proposed. in order to evalu...

Journal: :IEEJ Transactions on Electronics, Information and Systems 2001

Journal: :iranian journal of fuzzy systems 2011
h. nezamabadi-pour s. yazdani m. m. farsangi m. neyestani

in practice, obtaining the global optimum for the economic dispatch {bf (ed)}problem with ramp rate limits and prohibited operating zones is presents difficulties. this paper presents a new andefficient method for solving the economic dispatch problem with non-smooth cost functions using afuzzy adaptive genetic algorithm (faga). the proposed algorithm  deals  with the issue ofcontrolling the ex...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1994

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی مکانیک 1386

در این تحقیق یک روش جدید ترکیبی برای بهینه سازی شبکه مبدلهای حرارتی با استفاده از الگوریتم ژنتیک و برنامه ریزی درجه دوم ارائه شده است فرمولاسیون ارائه شده بگونه ای است که امکان تعریف ارتباط های مجاز و یا غیر مجاز بین جریانها و یا ماکزیمم سایز مبدل وجود دارد. مسئله بهینه سازی در دو بخش حل می شود (1) ساختار شبکه بهینه توسط الگوریتم ژنتیک مشخص می شود. (2) با ر حرارتی بهینه مبدلها توسط برنامه ریزی ...

Journal: :international journal of supply and operations management 2014
tahereh poorbagheri seyed taghi akhavan niaki

abstractin this study, a vendor-managed inventory model is developed for a single-vendor multiple-retailer single-warehouse (sv-mr-sv) supply chain problem based on the economic order quantity in which demands are stochastic and follow a uniform probability distribution. in order to reduce holding costs and to help balanced on-hand inventory cost between the vendor and the retailers, it is assu...

Journal: :journal of biomedical physics and engineering 0
a. nickfarjam tarbiat modares university, medical physics department, tehran, iran. s. m. p. firoozabadi tarbiat modares university, medical physics department, tehran, iran. b. kalaghchi cancer research center, tehran university of medical sciences, tehran, iran.

background: irreversible electroporation (ire) is a novel tumor ablation technique. ire is associated with high electrical fields and is often reported in conjunction with thermal damage caused by joule heating. for good response to surgery it is crucial to produce minimum thermal damage in both tumoral and healthy tissues named non-thermal irreversible electroporation(ntire). non-thermal irrev...

Journal: :international journal of robotics 0
hamid-reza mohammadi daniali babol university of technology mir amin hosseini babol university of technology

this work intends to deal with the optimal kinematic synthesis problem of tricept parallel manipulator. observing that cuboid workspaces are desirable for most machines, we use the concept of effective inscribed cuboid workspace, which reflects requirements on the workspace shape, volume and quality, simultaneously. the effectiveness of a workspace is characterized by the dexterity of the manip...

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