Yazar "Çolak, İlhami" için Web of Science ve Scopus Atıf Dizinlerindeki Yayınlar listeleme
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CFD Based Wind Assesment in West of Turkey
Çolak, İlhami; Ayaz, Melike Selcen; Boran, Kurtuluş (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)Wind is an important renewable source which has a large potential all around the world. Recently, wind energy has been quite popular and owns a growing market in Turkey. This expansion brings more investigation around the ... -
A Consideration of Loss Component in Model Control DC-DC Converter
Furukawa, Yudai; Watanabe, Shingo; Matsui, Nobumasa; Kurokawa, Fujio; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015-11-22)Recently, the energy saving is required. It is necessary for the energy saving to operate the electric device in the sleep mode. Therefore, the output voltage rises abnormally because the dc-dc converter is required the ... -
A Consideration of Signal Frequency Detector in Digital Peak Current Mode DC-DC Converter
Furukawa, Yudai; Maeda, Shusuke; Tsuruoka, Shunsuke; Kurokawa, Fujio; Eto, Haruhi; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015-11-22)The purpose of this paper is to reveal the designing of the static characteristic of the digital peak current mode dc-dc converter using a voltage controlled oscillator (VCO). In the proposed method, it is able to sample ... -
A Consideration of Transient Response for Sensorless Model Control DC-DC Converter
Furukawa, Yudai; Hirotaki, Shota; Watanabe, Shingo; Kurokawa, Fujio; Matsui, Nobumasa; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)The purpose of this paper is to discuss a current prediction algorithm for sensorless model control dc-dc converter. In the proposed method, the sensing resistor for the current detection is eliminated by predicting the ... -
Controller Design for a Limited Angle Torque Motor and dsPIC Implementation
Çolak, İlhami; Şahin, Murat; Çakıroğlu, Semih; Esen, Zafer (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)This study addresses the modeling of a LAT motor in Simulink environment and then designing and testing various controllers for this model. The LAT motor model is first expressed using equations which describe the DC motor ... -
Critical aspects of wind energy systems in smart grid applications
Çolak, İlhami; Fulli, Gianluca; Bayhan, Sertaç; Chondrogiannis, Stamatios; Demirbaş, Şevki (PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2015-08-10)Wind energy is an important contributor of modern power systems as a renewable energy source. However, wind energy poses new challenges because of its unique characteristics, such as limited predictability, short-term and ... -
Design a Grid Tie Inverter for PMSG Wind Turbine using FPGA & DSP Builder
Çolak, İlhami; Hossain, Eklas; Bayındır, Ramazan; Hossain, Jakir (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2016)The recent makeshift in fuel choice, renewable energy sources has been considered as the most popular form of its kind because of its environment friendly approaches, less cost tariff policy and the natural fuel abundance. ... -
Design and experimental implementation of single phase power factor correction converter based on fuzzy logic controls techniques
Benyamina, A.; Moulahoum, S.; Çolak, İlhami; Kabache, N.; Houassine, H. (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)This paper presents an experimental implementation of the single phase power factor corrector PFC based on AC/DC converter with boost chopper. PI, Fuzzy logic and fuzzy adaptive PID controllers for the capacitor voltage ... -
Design of A Computer Controlled Speed Control System for Wound-Rotor Inducion Machines
Irmak, Erdal; Çolak, İlhami; Güler, Naki; Hazer, Emre; Kilisli, Hande (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)This study introduces a novel and powerful speed control system with computer interface for wound-rotor induction machines (WRIM). In order to improve the sensitivity and stability of the control process, a high-speed ... -
Designing a Competitive Electric Vehicle Charging Station with Solar PV and Storage
Çolak, İlhami; Bayındır, Ramazan; Aksöz, Ahmet; Hossain, Eklas; Sayılgan, Sabri (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)An electrical vehicle charging station is a charging power supply for electrical vehicles. This paper proposes design of a model for a PV based electrical vehicle that forecasts total power output under particular conditions ... -
Digital PID Based Two-Compensator for DC-DC Converter
Furukawa, Yudai; Kurokawa, Fujio; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)The purpose of this paper is to present the performance characteristics of the digital PID based two-compensator for the dc-dc converter. Authors have already presented a fast PD control method, which can reduce the influence ... -
Digitally Proportional Gain Varying Method for DC-DC Converter
Furukawa, Yudai; Shirakawa, Takuya; Kurokawa, Fujio; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)The purpose of this paper is to propose a digitally proportional gain varying method for dc-dc converter. In the proposed method, the proportional gain is set to a small value in the steady state and is changed to a large ... -
An Improved dynamic battery model suitable for photovoltaic applications
Blaifi, S.; Moulahoum, S.; Kabache, N.; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)Modeling of batteries used in photovoltaic applications has been a real issue for many research groups due to its complex electrochemical and electrical behavior. In this paper, we propose an improvement of the Battery ... -
Improvement for Fast Response of Current Sensorless Model Control DC-DC Converter
Furukawa, Yudai; Maruta, Hidenori; Watanabe, Shingo; Kurokawa, Fujio; Matsui, Nobumasa; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2016)The switching power supply is required the wide load range operation for the energy saving. In such a situation, the output voltage must be regulated. The model control is able to regulate the output voltage, because the ... -
Improvement in Transient Response of Fast P Control DC-DC Converter with Static Model
Furukawa, Yudai; Watanabe, Shingo; Kurokawa, Fujio; Eto, Haruhi; Matsui, Nobumasa; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015-11-22)The purpose of this paper is to propose the digital control method that is comprised of the fast P control and model control for an improvement of the transient response of the dc-dc converter. The electronic devices are ... -
Miniaturization of Buck-Boost DC-DC Converter with Fast P Control
Kurokawa, Yudai; Sugimoto, Ippei; Kurokawa, Fujio; Eto, Haruhi; Higuchi, Tsuyoshi; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015-11-22)This paper presents a consideration about miniaturization of buck-boost dc-dc converter with the fast P control. From frequency characteristics, it is identified that fast P control method is useful to suppression of output ... -
Multi-Period Prediction of Solar Radiation Using ARMA and ARIMA Models
Çolak, İlhami; Yeşilbudak, Mehmet; Genç, Naci; Bayındır, Ramazan (ELSEVIER SCIENCE BV, SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2015-12-09)Due to the variations in weather conditions, solar power integration to the electricity grid at a high penetration rate can cause a threat for the grid stability. Therefore, it is required to predict the solar radiation ... -
Multi-Time Series and -Time Scale Modeling for Wind Speed and Wind Power Forecasting Part I: Statistical Methods, Very Short-Term and Short-Term Applications
Çolak, İlhami; Sağıroğlu, Şeref; Yeşilbudak, Mehmet; Kabalcı, Ersan; Bülbül, H. İbrahim (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)This study concentrates on multi-time series and time scale modeling in wind speed and wind power forecasting. Different statistical models along with different time horizons are analyzed and evaluated broadly and ... -
Multi-Time Series and -Time Scale Modeling for Wind Speed and Wind Power Forecasting Part II: Medium-Term and Long-Term Applications
Çolak, İlhami; Sağıroğlu, Şeref; Yeşilbudak, Mehmet; Kabalcı, Ersan; Bülbül, H. İbrahim (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015)This paper represents the second part of an entire study which focuses on multi-time series and -time scale modeling in wind speed and wind power forecasting. In the first part of the entire study [1], firstly, moving ... -
A New Quick Response Digital Control DC-DC Converter with Dynamic Unstable Gain
Furukawa, Yudai; Shirakawa, Takuya; Kurokawa, Fujio; Eto, Haruhi; Çolak, İlhami (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2015-11-22)In this paper, we present a new quick response digital control dc-dc converter based on a dynamic unstable gain to improve transient response. In the proposed method, the proportional gain is set to the small value in the ...