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Browsing Electrical and Electronic Engineering / Elektrik-Elektronik Mühendisliği by Issue Date

Browsing Electrical and Electronic Engineering / Elektrik-Elektronik Mühendisliği by Issue Date

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  • Scale-invariant MFCCs for speech/speaker recognition 
    Tufekci, Zekeriya; Disken, Gokay (TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES / TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2019)
    The feature extraction process is a fundamental part of speech processing. Mel frequency cepstral coefficients (MFCCs) are the most commonly used feature types in the speech/speaker recognition literature. However, the ...
  • Misalignment fault detection by wavelet analysis of vibration signals 
    Yilmaz, Ozgur; Aksoy, Murat; Kesilmis, Zehan (International Advanced Researches and Engineering Journal / Ceyhun YILMAZ, 2019)
    Asynchronous motors are frequently used in many industrial applications, especially pumps and fans. Placement, bearing and coupling faults are common faults in these types of engines. Misalignment error is a common type ...
  • A miniaturized optical tomography platform for volumetric imaging of engineered living systems 
    Polat, Adem; Hassan, Shabir; Yildirim, Isa; Oliver, Luis Eduardo; Mostafaei, Maryam; Kumar, Siddharth; Maharjan, Sushila; Bourguet, Louis; Cao, Xia; Ying, Guoliang; Hesar, Milad Eyvazi; Zhang, Yu Shrike (LAB ON A CHIP / ROYAL SOCIETY CHEMISTRY, 2019-02)
    Volumetric optical microscopy approaches that enable acquisition of three-dimensional (3D) information from a biological sample are attractive for numerous non-invasive imaging applications. The unprecedented structural ...
  • A Novel Modified Delay-Based Control Algorithm with Experimental Application 
    Ozbek, Necdet S.; Eker, Ilyas (INFORMATION TECHNOLOGY AND CONTROL / KAUNAS UNIVERSITY OF TECHNOLOGY, 2019-03)
    In the present article, a new modified delay-based control structure is proposed to improve the closed-loop performance of control systems. The controller is designed for a second-order linear time-invariant system. The ...
  • The Prediction Model of Characteristics for Wind Turbines Based on Meteorological Properties Using Neural Network Swarm Intelligence 
    Demirdelen, Tugce; Tekin, Piril; Aksu, Inayet Ozge; Ekinci, Firat (SUSTAINABILITY / MDPI, 2019-09)
    In order to produce more efficient, sustainable-clean energy, accurate prediction of wind turbine design parameters provide to work the system efficiency at the maximum level. For this purpose, this paper appears with the ...
  • The Prediction Model of Characteristics for Wind Turbines Based on Meteorological Properties Using Neural Network Swarm Intelligence 
    Demirdelen, Tugce; Tekin, Piril; Aksu, Inayet Ozge; Ekinci, Firat (SUSTAINABILITY / MDPI, 2019-09)
    In order to produce more efficient, sustainable-clean energy, accurate prediction of wind turbine design parameters provide to work the system efficiency at the maximum level. For this purpose, this paper appears with the ...
  • Design of Notched Rounded Bowtie Antenna for Ultra-Wideband Communication Systems 
    Gencoglan, Duygu Nazan; Colak, Sule (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi = Cukurova University Journal of the Faculty of Engineering / Çukurova Üniversitesi, 2019-12)
    In this paper, a modified bowtie antenna structure is proposed for Ultra-Wideband communication systems. This antenna is obtained by rounding and notching the edges of antenna arms. Antenna parameters for the designed ...
  • Isolated H-bridge DC-DC converter integrated transformerless DVR for power quality improvement 
    Savrun, Murat Mustafa; Koroglu, Tahsin; Tan, Adnan; Cuma, Mehmet Ugras; Bayindir, Kamil Cagatay; Tumay, Mehmet (IET POWER ELECTRONICS / INSTITUTION ENGINEERING TECHNOLOGY-IET, 2020-04)
    This study presents a new H-bridge DC-DC converter-based transformerless dynamic voltage restorer topology (DVR). The proposed system can compensate balanced and unbalanced voltage sag/swell that are the most common ...
  • Fotovoltaik Paneller için Parametre Kestirim Sistemi 
    Ozcan, Kubra; Kesilmis, Zehan; Aksoy, Murat; Karabacak, M. Alpaslan; Buyukguzel, Bulent (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi = Cukurova University Journal of the Faculty of Engineering / Çukurova Üniversitesi, 2020-09)
    Fotovoltaik (FV) sistemlerin modellenmesinde panel parametrelerin doğruluğu büyük önem teşkil etmektedir. Bu çalışmada, FV panellerin parametrelerinin deneysel yolla belirlenmesini hedefleyen bir sistem geliştirilmiştir. ...
  • Application of Statistical and Artificial Intelligence Techniques for Medium-Term Electrical Energy Forecasting: A Case Study for a Regional Hospital 
    Timur, Oguzhan; Zor, Kasim; Celik, Ozgur; Teke, Ahmet; Ibrikci, Turgay (JOURNAL OF SUSTAINABLE DEVELOPMENT OF ENERGY WATER AND ENVIRONMENT SYSTEMS-JSDEWES / INTERNATIONAL CENTRE SUSTAINABLE DEV ENERGY WATER & ENV SYSTEMS-SDEWES, 2020-09)
    Electrical energy forecasting is crucial for efficient, reliable, and economic operations of hospitals due to serving 365 days a year, 24/7, and they require round-the-clock energy. An accurate prediction of energy consumption ...
  • A Novel Parametric Model for the Prediction and Analysis of the COVID-19 Casualties 
    Tutsoy, Onder; Colak, Sule; Polat, Adem; Balikci, Kemal (IEEE ACCESS / IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020-10)
    Coronavirus disease (COVID-19) outbreak has affected billions of people, where millions of them have been infected and thousands of them have lost their lives. In addition, to constraint the spread of the virus, economies ...
  • UDE Based Robust Control of Grid Tied Inverters 
    Uslu, Akin (International Journal of Applied Mathematics, Electronics and Computers (IJAMEC) / Selçuk Üniversitesi, 2020-12)
    In this paper, a modified (proportional-integral) PI control is suggested to improve current tracking performance of three-phase grid-tied inverters (GTI). Presence of the L filter between inverter and grid, makes complex ...
  • Multiport bidirectional DC-DC converter for PV powered electric vehicle equipped with battery and supercapacitor 
    Savrun, Murat Mustafa; Atay, Alihan (IET POWER ELECTRONICS / WILEY, 2020-12)
    This study presents a novel quasi-Z-source converter integrated isolated multiport bidirectional DC-DC converter topology for a photovoltaic (PV) powered and battery/supercapacitor buffered electric vehicle (EV). The ...
  • Design and implementation of algorithms for one pedal driving in electric buses 
    Cuma, Mehmet Ugras; Unal, Cagla Dericioglu; Savrun, Murat Mustafa (ENGINEERING SCIENCE AND TECHNOLOGY-AN INTERNATIONAL JOURNAL-JESTECH / ELSEVIER, 2021-02)
    Nowadays, the interest in electric vehicles (EVs) is increasing in parallel with falling prices of batteries, developing battery technology and willing to reduce carbon emissions. However, the most important problem of EVs ...
  • Kararlı Çoklu Bayes Hipotez Testi Üzerine Bir Not 
    Yildirim, Ugur; Afser, Huseyin (Avrupa Bilim ve Teknoloji Dergisi (EJOSAT) = European Journal of Science and Technology / Osman SAĞDIÇ, 2021-04)
    Çoklu Bayes hipotez testinde olasılık dağılımlarının bilindiği durumlar için optimum yöntemler bulunmasına karşın gerçek hayata uygulanması zordur. Bu yüzden gerçek dünyada iletişim sırasında kolaylıkla oluşabilecek gürültü ...
  • A Dual-Band Patch Antenna with Improved Gain and Group Delay Characteristics for C-Band and X-Band Applications 
    Gencoglan, Duygu Nazan; Colak, Sule (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi = Cukurova University Journal of the Faculty of Engineering / Çukurova Üniversitesi, 2021-05)
    In this study, a dual-band patch antenna with improved gain and group delay characteristics is proposed for C-band and X-band applications in radar and satellite communications. In the study, conventional square patch ...
  • Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes 
    Guttormsen, M.; Alhassid, Y.; Ryssens, Wouter; Ay, K. O.; Ozgur, Mustafa; Algin, Emel; Larsen, Ann-Cecilie; Garrote, F. L. Bello; Campo, L. Crespo; Dahl-Jacobsen, T.; Gorgen, Antonio Rebello Horta; Hagen, T. W.; Ingeberg, V. W.; Kheswa, B. V.; Klintefjord, Malin; Midtbo, Jorgen E.; Modamio, Victor; Renstrom, Therese; Sahin, E.; Siem, Sunniva; Tveten, Gry M.; Zeiser, Fabio (PHYSICS LETTERS B / Elsevier B.V., 2021-05)
    Understanding the evolution of level densities in the crossover from spherical to well-deformed nuclei has been a long-standing problem in nuclear physics. We measure nuclear level densities for a chain of neodymium isotopes ...
  • COVID-19 Epidemic and Opening of the Schools: Artificial Intelligence-Based Long-Term Adaptive Policy Making to Control the Pandemic Diseases 
    Tutsoy, Onder (IEEE ACCESS / IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC., 2021-05)
    Even though the COVID-19 pandemic has endured to be a serious threat for the societies, the state authorities have been seeking policies to re-open the schools and universities. It is clear that opening of the schools will ...
  • Unknown uncertainties in the COVID-19 pandemic: Multi-dimensional identification and mathematical modelling for the analysis and estimation of the casualties 
    Tutsoy, Onder; Balikci, Kemal; Ozdil, Naime Filiz (DIGITAL SIGNAL PROCESSING / ELSEVIER, 2021-07)
    Insights about the dominant dynamics, coupled structures and the unknown uncertainties of the pandemic diseases play an important role in determining the future characteristics of the pandemic diseases. To enhance the ...
  • Novel stability and passivity analysis for three types of nonlinear LRC circuits 
    Ates, Muzaffer; Kadah, Nezir (INTERNATIONAL JOURNAL OF OPTIMIZATION AND CONTROL-THEORIES & APPLICATIONS-IJOCTA / RAMAZAN YAMAN, 2021-07)
    In this paper, the global asymptotic stability and strong passivity of three types of nonlinear LRC circuits are investigated by utilizing the Lyapunov's direct method. The stability conditions are obtained by constructing ...

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