Yazar "Kurban, Mehmet" için Makale Koleksiyonu listeleme
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Birim yüklenme probleminin üç farklı yöntem kullanılarak karşılaştırmalı çözümlenmesi
Kurban, Mehmet; Başaran Filik, Ümmühan (2009)Bu çalışmada, güç sistemi optimizasyonunda önemli bir konu olan birim yüklenme problemi, dinamik programlama, gevşetilmiş Lagrange ve benzetimli tavlama yöntemi kullanılarak çözülmüştür. Dinamik programlama yöntemi, minimum ... -
BİRİM YÜKLENME PROBLEMİNİN ÜÇ FARKLI YÖNTEM KULLANILARAK KARŞILAŞTIRMALI ÇÖZÜMLENMESİ
Kurban, Mehmet; Başaran Filik, Ümmühan (2009)Bu çalışmada, güç sistemi optimizasyonunda önemli bir konu olan birim yüklenme problemi, dinamik programlama, gevşetilmiş Lagrange ve benzetimli tavlama yöntemi kullanılarak çözülmüştür. Dinamik programlama yöntemi, minimum ... -
Comparative Solution of Unit Commitment Problem Using Three Different Methods
Kurban, Mehmet; Başaran Filik, Ümmühan (Gazi University, Fac Engineering Architecture, 2009)In this paper, unit commitment problem which is an important subject in power system optimization, is solved by using dynamic programming, Lagrange relaxation, and simulated annealing methods. Dynamic programming method ... -
A Comparative Study of Three Different Mathematical Methods for Solving the Unit Commitment Problem
Kurban, Mehmet; Başaran Filik, Ümmühan (Hindawi Publishing Corporation, 2009)The unit commitment (UC) problem which is an important subject in power system engineering is solved by using Lagragian relaxation (LR), penalty function (PF), and augmented Lagrangian penalty function (ALPF) methods due ... -
The effect of model generated solar radiation data usage in hybrid (wind-PV) sizing studies
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Pergamon-Elsevier Science LTD, 2009)Wind speed and solar radiation characteristics belonging to past years of a region are the main input parameters in wind-photovoltaic hybrid system (WPHS) sizing studies. Classically, these data are fed to several scenarios ... -
Feasible Modified Subgradient Method for Solving the Thermal Unit Commitment Problem as a New Approach
Başaran Filik, Ümmühan; Kurban, Mehmet (Hindawi LTD, 2010)The Lagrangian relaxation- (LR-) based methods are commonly used to solve the thermal unit commitment (UC) problem which is an important subject in power system engineering. The main drawback of this group of methods is ... -
Hourly Forecasting of Long Term Electric Energy Demand Using Novel Mathematical Models and Neural Networks
Başaran Filik, Ümmühan; Gerek, Ömer Nezih; Kurban, Mehmet (Icic Int, 2011)In this work, hourly forecasting of long term electric energy demand is achieved using mathematical models and Artificial Neural Network (ANN) approaches. Previous works regarding energy demand forecasting either treated ... -
Hourly solar radiation forecasting using optimal coefficient 2-D linear filters and feed-forward neural networks
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Pergamon-Elsevier Science LTD, 2008)In this work, the hourly solar radiation data collected during the period August 1, 2005-July 30, 2006 from the solar observation station in Iki Eylul campus area of Eskisehir region are studied. A two-dimensional (2-D) ... -
Missing wind data forecasting with adaptive neuro-fuzzy inference system
Hocaoğlu, Fatih Onur; Oysal, Yusuf; Kurban, Mehmet (Springer, 2009)In any region, to begin generating electricity from wind energy, it is necessary to determine the 1-year distribution characteristics of wind speed. For this aim, a wind observation station must be constructed and 1-year ... -
Neural and mathematical modeling approaches for hourly long term loadforecasting
In this work, a mathematical model and an Artificial Neural Network (ANN)approach are constructed for the hourly forecasting of long term electric energydemand. Unlike former studies, these methods produce long term load ... -
Next Day Load Forecasting Using Artificial Neural Network Models With Autoregression and Weighted Frequency Bin Blocks
Kurban, Mehmet; Başaran Filik, Ümmühan (Icic International, 2009)In this study, two different hybrid approaches based on Artificial Neural Network (ANN) models with Autoregressive (AR) method and Weighted Frequency Bin Blocks (WFBB), are used for next day load forecasting. To compare ... -
A novel hybrid (wind-photovoltaic) system sizing procedure
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Pergamon-Elsevier Science LTD, 2009)Wind-photovoltaic hybrid system (WPHS) utilization is becoming popular due to increasing energy costs and decreasing prices of turbines and photovoltaic (PV) panels. However, prior to construction of a renewable generation ... -
A novel modeling approach for hourly forecasting of long-term electric energy demand
Başaran Filik, Ümmühan; Gerek, Ömer Nezih; Kurban, Mehmet (Pergamon-Elsevier Science LTD, 2011)In this study, a novel mathematical method is proposed for modeling and forecasting electric energy demand. The method is capable of making long-term forecasts. However, unlike other long-term forecasting models, the ... -
Novel Models for Hourly Solar Radiation Using a 2-D Approach
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Icic Int, 2009)In this work one year hourly solar radiation data are analyzed and modeled using a novel visualization method. Using a 2-D(Dimensional) surface fitting approach, the general behavior of the solar radiation in a year is ... -
A novel wind speed modeling approach using atmospheric pressure observations and hidden Markov models
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Elsevier Science BV, 2010)Modeling the wind speed data has important implications in wind studies, providing valuable insight and parametric quantities for further engineering analysis. The classical modeling approach is to fit the probability ... -
Potential Analysis of Wind Energy as a Power Generation Source
Kurban, Mehmet; Hocaoğlu, Fatih Onur (Taylor & Francis Inc, 2010)Wind energy as a power generation source is one of the most significant and rapidly developing renewable energy sources in the world. Because wind energy potential in various parts of Turkey is becoming economical, it is ... -
Regional Wind Energy Resource Assessment
Hocaoğlu, Fatih Onur; Kurban, Mehmet (Taylor & Francis Inc, 2010)In this study, using the Wind Atlas Analysis and Application Program (WAsP) software the wind statistics and energy calculations are performed for Eskisehir region. Suitable sites to locate wind turbines optimally are ... -
Rüzgar enerjisi potansiyelinin tahmininde kullanılan iki farklı istatistiksel dağılımın karşılaştırmalı analizi
Bu çalışmada, Anadolu Üniversitesi tarafından desteklenen "A. Ü. İki Eylül Kampusu'nda Rüzgar ve Güneş Potansiyelini Belirleyerek Hibrid (Rüzgar-Güneş) Enerji Santral Modeli Kurmak" başlığı altındaki bilimsel araştırma ... -
Rüzgar enerjisi potensiyelinin araştırılmasında Weibull ve Rayleigh dağılımlarının kullanılması
Bu çalışmada, 2005 yılı Temmuz, Ağustos, Eylül ve Ekim aylarında saatlik olarak ölçülen rüzgar hızı verilerine dayanarak, Anadolu Üniversitesi İki Eylül Kampüsü 'ndeki rüzgar enerjisi potansiyeli istatistiksel olarak analiz ... -
Solving Unit Commitment Problem Using Modified Subgradient Method Combined with Simulated Annealing Algorithm
Başaran Filik, Ümmühan; Kurban, Mehmet (Hindawi Publishing Corporation, 2010)This paper presents the solving unit commitment (UC) problem using Modified Subgradient Method (MSG) method combined with Simulated Annealing (SA) algorithm. UC problem is one of the important power system engineering ...