Güncel Gönderiler: Elektrik-Elektronik Mühendisliği Bölümü
Toplam kayıt 59, listelenen: 21-40
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A 3-dB 90 Degrees Microstrip Hybrid Directional Coupler at 2.27 GHz
(Elsevier, 2023)A 90◦ hybrid-coupler in the 2.27 GHz range, offering high performance despite its size of 115.64 mm2 (18.36 λg), is introduced. The main factor that distinguishes this proposed design, positively, is that the device ... -
Performance‑Enhanced S‑Shaped Slotted Patch Antenna for X Band/Ku Band Applications
(Springer, 2023)Design and performance enhancement of an S-shaped antenna with two additional slits and slots is presented. Initially, a parametric study was performed with two commonly used dielectric materials. First, FR4 with ɛr=4.3 ... -
Hardware Acceleration of FIR Filter Implementation on ZYNQ SoC
(IEEE, 2022)Finite impulse response (FIR) filters are widely used in electronic design applications such as digital signal processing, image processing and digital communications. The demand for high performance is increasing ... -
Gan Güç Anahtarları İle Gerçeklenen Yarım Köprü Geliştirme Kartının Isıl Başarımının İncelenmesi
(Süleyman Demirel Üniversitesi Mühendislik Fakültesi, 2022)GaN FET anahtarlar ufak paket boyutlarına sahip olması ve yüksek çalışma gerilimakım değerlerini yüksek anahtarlama frekanslarında sağlayabilmesinden dolayı güç elektroniği çeviricilerinde yeni ufuklar açmıştır. Bu çalışma ... -
Vektör Kontrollü Sürücüler için Asenkron Motor Eşdeğer Devre Parametrelerinin Üretici Veri Föylerinden Kestirilmesi
(Süleyman Demirel Üniversitesi Mühendislik Fakültesi, 2021)Son yıllarda meydana gelen endüstriyel gelişmeler gerek endüstriyel gerekse ev tipi uygulamalarda kullanılan asenkron motorların geniş bir hız aralığında kontrol edilebilmesini zorunlu kılmıştır. Vektör kontrolü algoritmaları ... -
Performance Evaluation of Low-Precision Quantized LeNet and ConvNet Neural Networks
(IEEE, 2022)Low-precision neural network models are crucial for reducing the memory footprint and computational density. However, existing methods must have an average of 32-bit floatingpoint (FP32) arithmetic to maintain the accuracy. ... -
Real-time Allocation of Multi-mobile Resources in Integrated Distribution and Transportation Systems for Resilient Electrical Grid
(IEEE, 2022)This study proposes a novel real-time optimizationbased critical load restoration strategy for the post-event stages. The key idea is to integrate multi-mobile and stationary resources into the emergency tools of the ... -
Mikroşerit Yama Antenlerde Frekans Seçici Yüzeyler (FSY) Kullanılarak Empedans Uyumlandırma
(IEEE, 2022)Mikroşerit yama antenlerde; besleme hattı ile anten arasında empedans uyumunun iyileştirilmesi, yansıma verimini artırmaktadır. Literatürde bulunan empedans uyumlandırma teknikleri, anten geometrisine ve besleme tipine ... -
Optimal Sizing and Siting of Different Types of EV Charging Stations in A Real Distribution System Environment
(John Wiley and Sons Inc., 2022)Due to the rising of both economic and environmental concerns in the energy sector, each subdivision of the community is investigating new solutions to overcome this critical issue. For this reason, electric vehicles ... -
Akı ve Kayma Frekansı Kestirimi ile Asenkron Motorun Algılayıcısız Skaler Hız Denetimi
(Süleyman Demirel Üniversitesi Mühendislik Fakültesi, 2022)Bu çalışma, asenkron motorun hız kontrolü için algılayıcısız bir skaler denetim algoritması ortaya koymaktadır. İlk olarak, motor gerilimleri ve akımları ölçülerek stator akısı tahmin edilmiş ardından asenkron motorun ... -
Islanding Detection in Microgrid Using Deep Learning Based on 1D CNN and CNN-LSTM Networks
(Elsevier, 2022)Islanding detection is a critical task due to safety hazards and technical issues for the operation of microgrids. Deep learning (DL) has been applied for islanding detection and achieved good results due to the ability ... -
Integrated Rail System and EV Parking Lot Operation With Regenerative Braking Energy, Energy Storage System and PV Availability
(IEEE, 2022)A significant advancement regarding the electrification of transportation has occurred in recent years due to technological developments, environmental concerns, and geopolitical issues in the energy areas all over the ... -
Comparative Realistic Objectives Oriented Optimization Framework for EV Charging Scheduling in a Distribution System
(Institute of Electrical and Electronics Engineers Inc., 2022)The integration of large-scale electric vehicles (EVs) into the distribution system has emerged as a critical topic of research with the proliferation of EVs over the years. To mitigate the negative effects of EVs on ... -
Clonal Selection Algorithm Based Control for Two-Wheeled Self-Balancing Mobile Robot
(Elsevier, 2022)In this study, we propose adaptive control approaches based on optimization for a two-wheeled mobile robot. The mathematical model of the self-balancing vehicle based on the inverted pendulum principle, is derived from ... -
Estimation of Induction Motor Equivalent Circuit Parameters from Manufacturer’s Datasheet by Particle Swarm Optimization Algorithm for Variable Frequency Drives
(Istanbul University, 2022)In recent years, industrial developments have made it necessary to control induction motors, used in both industrial and household applications, over a wide range of speeds. Thanks to vector-control algorithms, in order ... -
Extended Describing Function Modeling and Closed-Loop Control of LLC Converter in Battery Charging Applications
(Institute of Electrical and Electronics Engineers (IEEE), 2021)The variable switching frequency control of LLC converters makes the modeling and compensator design rather a difficult task. In this paper, an extended describing function modeling that can represent the beat frequency ... -
Simplified Method to Analyze Drive Strengths for GaN Power Devices
(IEEE, 2021)GaN power switches enable ultra-fast switching speeds, yet, the maximum gate drive strength is mainly limited by the voltage overshoot across drain-source junction. There is a complex relationship between the power loop ... -
Efficiency and Power Density Optimization of Three-Level TP PFC
(IEEE, 2021)Si based three-level (3L) totem-pole (TP) Power Factor Correction (PFC) topology is a low cost alternative to two-level TP PFC with wide-band gap devices providing high power density and high efficiency. This study ... -
Analytical Modelling and Optimization of Gapped Core Magnetics in LLC Converter
(IEEE, 2021)LLC converter design remains a challenging task as it is not straight-forward to choose the switching frequency range that can provide ZVS covering application dependent voltage gains, considering the fact that it is a ... -
System-Level Design Approach for LLC Converters
(IEEE, 2021)LLC resonant converters are designed with a specified resonant frequency that is usually determined based on the experience of the designers while impacting the losses and the dimension of the converter. In this paper, ...
