Department of Electrical and Electronics Engineering, Thesis

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Thesis (3350)

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Author
Dursun, Mustafa (3)
Kahraman, Gökhan (3)
Şahin, İlker (3)
Şenol, Sinan (3)
Abdullah, Khaldun (2)

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Electrical engineering. (252)
Electronics. (114)
Engineering and Technology (73)
Telecommunication. (70)
Antennas (Electronics). (56)

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1963 - 1979 (415)
1980 - 1999 (1105)
2000 - 2019 (1719)
2020 - 2022 (111)

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Master Thesis (3032)
Ph.D. Thesis (316)
Thesis (2)

Recent Submissions

2-6 GHZ GALLIUM NITRIDE HEMT MMIC AMPLIFIER DESIGN Çakmak, Mert; Dural Ünver, Mevlüde Gülbin; Department of Electrical and Electronics Engineering (2022-1) Wideband RF power amplifiers are critical components in many electronic systems such as communication systems, radars and electronic warfare systems. Chip size, output power, efficiency and reliability are key points of th...
LOW POWER HIGHLY PROGRAMMABLE ANALOG FRONT-END FOR 12-CHANNEL FULLY IMPLANTABLE COCHLEAR IMPLANTS Özbek, Abdurrahman Berkay; Külah, Haluk; Department of Electrical and Electronics Engineering (2021-12-17) Cochlear implants are the most common treatment option for individuals with sensorineural hearing loss. However, despite the functional success, the patients have concerns about the aesthetics and practicality of the devic...
DC-link capacitor sizing of three-level neutral point clamped voltage source inverters for variable speed drives Ogan, Serhat Emir; Bostancı, Emine; Department of Electrical and Electronics Engineering (2021-12-13) A three-level neutral point clamped (NPC) voltage source inverter (VSI) topology can be advantageous in electric vehicles with a high DC-link voltage and a high switching frequency due to the flexibility in power switch se...
Massive Multiple-Input Multiple-Output Communication Systems with Low-Resolution Quantizers Üçüncü, Ali Bulut; Yılmaz, Ali Özgür; Department of Electrical and Electronics Engineering (2021-12-2) Low resolution analog-to-digital converters (ADC) attracted much attention for their use inmassivemultiple-inputmultiple-output (MIMO) systems due to their low power consumption and cost. In this thesis, we question whethe...
BROADBAND HIGH EFFICIENCY RF POWER AMPLIFIER DESIGN BASED ON MODIFIED CLASS-J APPROACH WITH APPLICATIONS USING GAN HEMT TECHNOLOGY Koç, Murat; Demir, Şimşek; Department of Electrical and Electronics Engineering (2021-9-29) RF power amplifiers have been the essential elements of any transmit/receive block. Especially in the transmit chain, some applications require high RF power, such as radar, jammer, telecommunication signals targeting a wi...
ALL SIC TRACTION CONVERTER FOR LIGHT RAIL TRANSPORTATION SYSTEMS: DESIGN METHODOLOGY AND DEVELOPMENT OF A 500 - 900 VDC, 165 KVA PROTOTYPE YILDIRIM, Doğan; Ermiş, Muammer; Department of Electrical and Electronics Engineering (2021-9-24) Design methodology and development of a 165 kVA, all-silicon carbide (SiC) traction converter for new generation light rail transportation systems (LRTS) have been carried out in this thesis. Electrical, mechanical, and th...
ESTIMATION OF STATOR RESISTANCE OF INDUCTION MOTOR USING INNOVATION BASED ADAPTIVE EXTENDED KALMAN FILTER Yırtar, Mehmet Zeki; Bostancı Özkan, Emine; Ertan, Hulusi Bülent; Department of Electrical and Electronics Engineering (2021-9-24) In the industry, induction motors are widely utilized due to their low cost and low maintenance requirements. To get better performance from the motor, vector control (FOC) is introduced in the last decades. In this thesis...
REAL TIME CALCULATION OF SHEM ANGLES BY METAHEURISTIC ALGORITHMS FOR VARIABLE FREQUENCY MOTOR DRIVES NALÇACI, Gamze; ERMİŞ, Muammer; ÇADIRCI, Işık; Department of Electrical and Electronics Engineering (2021-9-23) Harris hawks optimization (HHO) has been used to optimize a voltage source inverter's selective harmonic elimination method (SHEM) for light rail transportation. The primary goal of SHEM's pulse-width modulation strategy i...
Beamforming Design for Network Multiple-Input Multiple-Output (MIMO) Systems with Multiple Cooperating Base Stations Kadan, Fehmi Emre; Yılmaz, Ali Özgür; Department of Electrical and Electronics Engineering (2021-9-15) New generation cellular systems are required to support high data rates. The performance of conventional systems with a single central base station is limited by inter-cell interference. Furthermore, the network densities ...
Design of a Centralized Microgrid Controller in Compliance with IEEE 2030.7 Standard Pouraltafi-Kheljan, Soheil; Göl, Murat; Department of Electrical and Electronics Engineering (2021-9-10) With the incorporation of renewable distributed energy resources and electric vehicles and battery storage systems into the conventional grid structure, the need for a microgrid and its control is emerging. IEEE 2030.7 Sta...
Design of synchronous reluctance machines with a wide speed range Yılmaz, Yusuf Basri; Bostancı, Emine; Department of Electrical and Electronics Engineering (2021-9-10) Synchronous reluctance machines (SynRMs) are a good alternative for traction and industrial applications due to their good power density, low cost and high efficiency. However, they suffer from high torque ripple, low powe...
Comparison of cooperative adaptive cruise control methods in idealistic and realistic scenarios Aydın, Ahmed Buğra; Schmidt, Klaus Verner; Department of Electrical and Electronics Engineering (2021-9-10) Intelligent transportation systems (ITS) aim at improving the efficiency and safety of transportation. In dense traffic, vehicles are aggregated to vehicle strings that travel on the same lane, whereby it is desired to mai...
Model predictive torque control of an induction motor enhanced with an inter-turn short circuit fault detection feature Şahin, İlker; Keysan, Ozan; Ertan, Hulusi Bülent; Department of Electrical and Electronics Engineering (2021-9-9) Model predictive control (MPC) is a popular research topic in modern power electronics and it has been applied to a large variety of power converters and electric drives. The reason behind this interest in MPC is the advan...
DEEP LEARNING AIDED PARAMETRIC CHANNEL COVARIANCE MATRIX ESTIMATION FOR MILLIMETER WAVE HYBRID MASSIVE MIMO Esen, Özbay; Güvensen, Gökhan Muzaffer; Department of Electrical and Electronics Engineering (2021-9-09) Millimeter-wave (mmWave) channels, which occupy frequency ranges much higher than those being used in previous wireless communications systems, are utilized to meet the increased throughput requirements that come with 5G c...
Implementation and evaluation of age-aware downlink scheduling policies in communication networks Oğuz, Tahir Kerem; Uysal, Elif; Department of Electrical and Electronics Engineering (2021-9-09) As communication systems evolve, advanced perspectives are needed to meet the requirements of emerging applications. The Age of Information metric has taken its place in the literature to examine the information freshness ...
Sparse linear sensor arrays: analysis of recent coarray based arrays and array design for nonlinear processing Epçaçan, Erdal; Çiloğlu, Tolga; Department of Electrical and Electronics Engineering (2021-9-09) In this thesis, sparse linear sensor arrays have been studied. The study of sparse arrays in this work can be considered under two main headings: Analysis and comparison of recently proposed coarray based arrays, and the a...
A NOVEL LEARNING-BASED IMAGE MATCHING APPROACH BASED ON MUTUAL NEAREST NEIGHBOR SEARCH WITH RATIO TEST Efe, Ufuk; Alatan, Abdullah Aydın; Department of Electrical and Electronics Engineering (2021-9-09) This thesis proposes a novel image matching method that utilizes learned features extracted by an off-the-shelf deep neural network to obtain a promising performance. The proposed method simply uses a pre-trained VGG archi...
DEEP LEARNING-BASED UNROLLED RECONSTRUCTION METHODS FOR COMPUTATIONAL IMAGING Bezek, Can Deniz; Öktem, Sevinç Figen; Department of Electrical and Electronics Engineering (2021-9-08) Computational imaging is the process of forming images from indirect measurements using computation. In this thesis, we develop deep learning-based unrolled reconstruction methods for various computational imaging modaliti...
ESTIMATION OF TIME VARYING GRAPH SIGNALS WITH GRAPH ARMA PROCESSES Güneyi, Eylem Tuğçe; Vural, Elif; Department of Electrical and Electronics Engineering (2021-9-8) Graph models provide efficient tools for analyzing data defined over irregular domains such as social networks, sensor networks, and transportation networks. Real-world graph signals are usually time-varying signals. The c...
Transient Modeling Techniques for the Analysis of Electromagnetic Launchers Tosun, Nail; Keysan, Ozan; Department of Electrical and Electronics Engineering (2021-9-7) Although electromagnetic launchers (EMLs) are better than gun-powder-based launchers, they have to endure severe electrical and mechanical conditions. Therefore, the optimal design and accurate simulations of these devices...

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