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Browsing Electrical and Electronic Engineering / Elektrik-Elektronik Mühendisliği by Title

Browsing Electrical and Electronic Engineering / Elektrik-Elektronik Mühendisliği by Title

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  • Electrochemical Production of Transition Metal-Based Electrocatalysts for Hydrogen Production 
    Ergen, Eren; Nazligul, Huseyin; Dogru Mert, Basak (Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi = Osmaniye Korkut Ata University Journal of the Institute of Science and Technology / Osmaniye Korkut Ata Üniversitesi, 2022-02)
    Energy demand increases with increasing population and industrial developments. Unfortunately, non-renewable sources are used to meet a large portion of the demand. As a result of the negative effects, researchers have ...
  • Firmness Classification of Tomato Fruits by Using Colour Parameters 
    Oztekin, Yesim Benal; Vursavus, Kubilay Kazim; Kesilmis, Zehan (Anadolu Tarım Bilimleri Dergisi = Anadolu Journal of Agricultural Sciences / Ondokuz Mayıs Üniversitesi, 2021-10)
    Aim of study: In this study, firmness classification potential of tomato fruits was investigated by using colour parameters measured with a colour measuring device. Material and methods: 202 ‘Bandita F1’ greenhouse tomatoes ...
  • Fotovoltaik Panel ve Batarya Entegre Sistemler için Yeni Bir Interleaved Tabanlı Çok Portlu İzole DA-DA Dönüştürücü Analizi 
    Savrun, Murat Mustafa; Atay, Alihan (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi = Cukurova University Journal of the Faculty of Engineering / Çukurova Üniversitesi, 2021-10)
    Bu çalışmada, fotovoltaik (FV) panel ile çalışan ve batarya destekli sistemler için etkin bir kontrol yapısına sahip interleaved tabanlı çift yönlü çok portlu izole yeni bir DA-DA dönüştürücü önerilmektedir. Önerilen ...
  • 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. ...
  • Hayati Sağlık Verilerinin CoAP Observe Yöntemi ile İletilmesi ve Analizi 
    Manap, Gokce; Demir, Alper Kamil (Bilişim Teknolojileri Dergisi (BTD) = The Journal of Information Technologies (JIT) / Gazi Üniversitesi, 2022-04)
    Nesnelerin İnterneti (IoT), son zamanların en çok tercih edilen teknolojilerinden biridir. Günümüzde IoT'nin günlük hayatta kullanımı artmakta ve zamanla daha da artması beklenmektedir. IoT cihazları, herhangi bir kullanıcıya ...
  • Improving Digital Image Quality for Convolution Neural Network Based Computer-Aided Diagnosis (CNN-CAD) of Skin Cancer 
    Yalcın, Tolga; Tandirovic Gursel, Amira (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi = Cukurova University Journal of the Faculty of Engineering / Çukurova Üniversitesi, 2021-12)
    The practice of detecting skin cancer is based primarily on a visual examination by a dermatologist, followed by a series of tests for a more accurate diagnosis. The concept “the earlier cancer is detected in its natural ...
  • Investigation of the Relationship between Vibration Signals Due to Oil Impurity and Cavitation Bubbles in Hydraulic Pumps 
    Yilmaz, Ozgur; Aksoy, Murat; Kesilmis, Zehan (ELECTRONICS / MDPI, 2022-05)
    Although hydraulic pumps are frequently used in daily life, improper use due to oil analysis or oil contamination is ignored. There is no instantaneous inspection; instead, the oil is changed periodically at certain times, ...
  • 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 ...
  • 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 ...
  • Kuru Tip Transformatör Optimizasyonuna Yeni Bir Yaklaşım: Ateş Böceği Algoritması 
    Demirdelen, Tugce (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi / Çukurova Üniversitesi, 2018)
    Kuru tip transformatörler, ticari ve endüstriyel uygulamalarda oldukça popülerdir. Bu çalışmada Ateş böceği algoritması yöntemi kullanılarak kuru tip transformatörün yeniden tasarlanması yapılırken ağırlığının ve maliyetinin ...
  • Linear and non-linear dynamics of the epidemics System identification based parametric prediction models for the pandemic outbreaks 
    Tutsoy, Onder; Polat, Adem (ISA TRANSACTIONS / ELSEVIER LTD., 2022-05)
    Coronavirus disease 2019 (COVID-19) has endured constituting formidable economic, social, educational, and phycological challenges for the societies. Moreover, during pandemic outbreaks, the hospitals are overwhelmed with ...
  • LOW COST AND LABORATORY SCALE NIR SPECTROSCOPY FOR QUALITY EVALUATION OF FRUITS AND VEGETABLES 
    Kesilmis, Zehan; Vursavus, Kubilay K. (SCIENTIFIC PAPERS-SERIES B-HORTICULTURE / UNIV AGRICULTURAL SCIENCES & VETERINARY MEDICINE BUCHAREST, 2018)
    NIR spectroscopy has proved to be one of the efficient and easy tools to monitor the quality of agricultural products. NIR spectrometers are versatile devices to monitor the ripeness or quality parameters of the fruits. ...
  • LWIR all-atomic layer deposition ZnO bilayer microbolometer for thermal imaging 
    Poyraz, Muhammet; Gorgulu, Kazim; Sisman, Zulkarneyn; Tanrikulu, Mahmud Yusuf; Okyay, Ali Kemal (OPTICAL ENGINEERING / SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 2017-03)
    We propose an all-ZnO bilayer microbolometer, operating in the long-wave infrared regime that can be implemented by consecutive atomic layer deposition growth steps. Bilayer design of the bolometer provides very high ...
  • MEMS İvme Ölçerler için Analog Yapay Sinir Ağı Temelli Kontrolcü Tasarımı 
    Kesilmis, Zehan; Aksoy, Murat (Çukurova Üniversitesi Mühendislik Fakültesi Dergisi = Cukurova University Journal of the Faculty of Engineering / Çukurova Üniversitesi, 2022-10)
    Bu çalışmada tek eksenli kapasitif MEMS ivme ölçer için yeni bir analog yapay sinir ağı temelli bir kontrolcü önerilmektedir. Bu kontrolcü giriş katmanında bir, gizli katmanda altı ve çıkış katmanında iki nöron olacak ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Performance and Economic Analysis of Designed Different Solar Tracking Systems for Mediterranean Climate 
    Demirdelen, Tugce; Alici, Hakan; Esenboga, Burak; Guldurek, Manolya (ENERGIES / MDPI, 2023-05)
    Solar power occupies a significant position among global renewable energy sources due to its abundant energy potential. Consequently, its contribution to electricity generation is steadily increasing. However, obtaining ...
  • Performance Benchmarking of Active-Front-End Rectifier Topologies Used in High-Power, High-Voltage Onboard EV Chargers 
    Cuma, Mehmet Ugras; Savrun, Murat Mustafa (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi = Cukurova University Journal of the Faculty of Engineering / Çukurova Üniversitesi, 2021-12)
    High power onboard battery chargers employed in electric vehicles (EVs) and plug-in hybrid EVs (PHEVs) fed from three-phase mains typically consist of a two-stage structure as AC-DC and DC-DC stages. The AC-DC stage is ...
  • Polar Codes with Higher-Order Memory 
    Afser, Huseyin; Delic, Hakan (PROBLEMS OF INFORMATION TRANSMISSION / MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018-10)
    We introduce a construction of a set of code sequences {C-n((m)) : n 1, m 1} with memory order m and code length N(n). {C-n((m))} is a generalization of polar codes presented by Arkan in [1], where the encoder mapping with ...

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