Aydemir, Mehmet Timur
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A.,Mehmet Timur
A., Mehmet Timur
Aydemir, Mehmet Timur
AYDEMIR, MEHMET TIMUR
Aydemir M.
MEHMET TIMUR AYDEMIR
AYDEMIR, Mehmet Timur
Mehmet Timur AYDEMIR
M. Aydemir
Mehmet Timur, Aydemir
Aydemir,Mehmet Timur
Aydemir,M.T.
Aydemir, M. T.
M. T. Aydemir
Mehmet Timur Aydemir
Aydemir, M.
Aydemir, MEHMET TIMUR
Aydemir T.
AydemIr, M. Timur
Aydemir, M.T.
Aydemir, M.Timur
Aydemir, M. Timur
A., Mehmet Timur
Aydemir, Mehmet Timur
AYDEMIR, MEHMET TIMUR
Aydemir M.
MEHMET TIMUR AYDEMIR
AYDEMIR, Mehmet Timur
Mehmet Timur AYDEMIR
M. Aydemir
Mehmet Timur, Aydemir
Aydemir,Mehmet Timur
Aydemir,M.T.
Aydemir, M. T.
M. T. Aydemir
Mehmet Timur Aydemir
Aydemir, M.
Aydemir, MEHMET TIMUR
Aydemir T.
AydemIr, M. Timur
Aydemir, M.T.
Aydemir, M.Timur
Aydemir, M. Timur
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Prof. Dr.
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Electrical-Electronics Engineering
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Current Staff
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WoS Researcher ID
Sustainable Development Goals
4
QUALITY EDUCATION
0
Research Products
6
CLEAN WATER AND SANITATION
0
Research Products
10
REDUCED INEQUALITIES
0
Research Products
13
CLIMATE ACTION
1
Research Products
14
LIFE BELOW WATER
0
Research Products
2
ZERO HUNGER
0
Research Products
8
DECENT WORK AND ECONOMIC GROWTH
0
Research Products
12
RESPONSIBLE CONSUMPTION AND PRODUCTION
0
Research Products
9
INDUSTRY, INNOVATION AND INFRASTRUCTURE
2
Research Products
17
PARTNERSHIPS FOR THE GOALS
0
Research Products
1
NO POVERTY
0
Research Products
11
SUSTAINABLE CITIES AND COMMUNITIES
1
Research Products
15
LIFE ON LAND
0
Research Products
3
GOOD HEALTH AND WELL-BEING
0
Research Products
7
AFFORDABLE AND CLEAN ENERGY
5
Research Products
5
GENDER EQUALITY
0
Research Products
16
PEACE, JUSTICE AND STRONG INSTITUTIONS
0
Research Products
Documents
72
Citations
995
h-index
14
Documents
63
Citations
761
Scholarly Output
24
Articles
16
Views / Downloads
21/0
Supervised MSc Theses
0
Supervised PhD Theses
1
WoS Citation Count
185
Scopus Citation Count
241
WoS h-index
7
Scopus h-index
8
Patents
0
Projects
0
WoS Citations per Publication
7.71
Scopus Citations per Publication
10.04
Open Access Source
9
Supervised Theses
1
| Journal | Count |
|---|---|
| Electrical Engineering | 2 |
| 2021 14th Ieee International Conference on Industry Applications (Induscon) | 1 |
| 2021 8th International Conference on Electrical and Electronics Engineering (Iceee 2021) | 1 |
| 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 -- 2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 -- 29 October 2023 through 2 November 2023 -- Nashville -- 195932 | 1 |
| 2025 12th International Conference on Electrical and Electronics Engineering, ICEEE 2025 -- 12th International Conference on Electrical and Electronics Engineering, ICEEE 2025 -- 24 September 2025 through 26 September 2025 -- Istanbul -- 217712 | 1 |
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24 results
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Now showing 1 - 10 of 24
Article Solar Energy-Powered Wireless Charging System for Three-Wheeled E-Scooter Applications(Pergamon-elsevier Science Ltd, 2025) Erel, Mehmet Zahid; Ozdemir, Mehmet Akif; Aydemir, Mehmet TimurWireless power transfer (WPT) is a remarkable charging technology that addresses the range limitations and complexity of light electric vehicles. This study presents a novel approach to a solar-powered WPT system designed for three-wheeled e-scooter applications. The proposed system offers compact, lightweight, and costeffective solution with a ferrite-less structure and a series-series (SS) compensation topology, resulting in enhanced system efficiency and adaptability. The compact and efficient converters are designed to enhance performance and reduce system size. A Proportional-Integral (PI) controlled Perturb and Observe (P&O) maximum power point tracking (MPPT) method is implemented to optimize energy extraction from three solar panels. The design is validated through comprehensive simulations and demonstrates a superior dynamic response over the Incremental Conductance MPPT (ICM) method. Performance tests confirm the reliability of the experimental prototype, achieving a system efficiency of 88.5 % at 300-W output power over a 100 mm transfer distance under fully aligned condition. Comparative analyses with existing solar-powered e-cycle systems highlight the proposed design's superiority in efficiency, cost-effectiveness, and adherence to safety standards. The results indicate that the proposed design enhances sustainable urban transportation by reducing carbon emissions and decreasing reliance on fossil fuels, facilitating the wider integration of renewable energy sources.Article Citation - WoS: 2Citation - Scopus: 5Design and Implementation of a 10 Kv/10 Kw High-Frequency Center-Tapped Transformer(Springer, 2022) Rahman, Showrov; Candan, Muhammed Yusuf; Tamyurek, Bunyamin; Aydin, Emrullah; Mese, Huseyin; Aydemir, M. TimurHigh voltage high-frequency (HVHF) transformers have a crucial part in the realization of high voltage direct current (HVDC) isolated power supplies. Nevertheless, they are the bulkiest component in the system besides being one of the major contributors to the power losses. Special care is therefore required to design HVHF transformers. The main objective of this paper is to design and implement a high voltage (10 kV), high-frequency (50 kHz) center-tapped transformer with high efficiency, small size, and low cost. The proposed transformer is designed as part of a 100 kV, 10 kW DC/DC converter for supplying power to a particle accelerator. The proposed transformer steps up the input voltage (500 V) to 10 kV. Then, a five-stage full-wave Cockcroft-Walton voltage multiplier (CWVM) is used for boosting the voltage to 100 kV. A detailed step-by-step design guideline for designing an HVHF transformer is also presented. To reduce the transformer's parasitic capacitance, the secondary windings are wrapped in segments. This taken approach has been illustrated in the paper and later verified through finite element analysis (FEA). The FEA analysis shows that the transformer parasitic capacitance has reduced significantly. Following the presented design guideline, the implemented prototype transformer has been built and later tested with a single-stage CWVM. The experimental results demonstrate that the prototype transformer has successfully met the design requirements including the small size, less weight, and low-cost objectives.Review Citation - WoS: 81Citation - Scopus: 107A Comprehensive Review on Wireless Capacitive Power Transfer Technology: Fundamentals and Applications(IEEE-Inst Electrical Electronics Engineers Inc, 2022) Erel, Mehmet Zahid; Bayindir, Kamil Cagatay; Aydemir, Mehmet Timur; Chaudhary, Sanjay K.; Guerrero, Josep M.Capacitive power transfer (CPT) technology is becoming increasingly popular in various application areas. Due to its limitations, such as low frequency, low coupling capacitance, and the high voltage stress on metal plates, the studies on high power CPT applications fell behind previously. Therefore, the wideband gap (WBG) semiconductor devices and the compensation topologies are further adopted to tackle these limitations. The main purpose of the paper is to review CPT applications in terms of performance parameters, advantages, disadvantages, and also challenges. Initially, the basic principles of CPT technology are examined, which cover compensation topologies, coupler structures, transfer distance, power electronic components, and system control methods. Then, CPT applications are evaluated for performance parameters (i.e., power level, operation frequency, system efficiency, transfer distance) along with compensation types, inverter types, and coupler types. The applications are categorized into six main groups according to industrial topics as safety, consumer electronics, transport, electric machines, biomedical, and miscellaneous. Herein, power level changes from mu W to kW ranges, the operation frequency varies from 100s of kHz to 10s of MHz ranges as well. The maximum system efficiency is recorded as 97.1 %. The transfer distance varies from mu m range to 100s of mm ranges. The full-bridge inverter topology and four-plate coupler structure are noticeable in CPT applications. Finally, advantages, disadvantages, and challenges of CPT applications are evaluated in detail. This review is expected to serve as a reference for researchers who study on CPT systems and their applications.Article Citation - WoS: 11Citation - Scopus: 13A New Semi-Analytical Approach for Self and Mutual Inductance Calculation of Hexagonal Spiral Coil Used in Wireless Power Transfer Systems(SPRINGER, 2021) Aydın, Emrullah; Yıldırız, Emin; Aydemir, M. TimurSeveral methods have been proposed in the literature for the calculation of self and mutual inductance. These methods include the use of complex integral analysis, the necessity of having primary and secondary coils with the same dimensions and the limitations of the ratio of the coil dimension to the distance between the coils. To overcome these restrictions, a new semi-analytical estimation method has been proposed in this paper. Calculation the self and mutual inductance by using the same basic formula which is based on Biot Savart Law prevents the formation of complex integrals and helps create a simple solution method. In order to verify the results obtained with the analytical approach, two hexagonal coils with 10 and 20 cm outer side lengths were produced by using litz wire with a conductive cross section of 1.78 mm(2). The results obtained with the new approach are compared with the finite element analysis, other work presented in the literature and experimental results in order to prove the accuracy of the proposed method.Doctoral Thesis Kuantum Noktalarına Dayalı Enerji Verimli Elektronik Cihazlar için Nano Ölçekli Aritmetik ve Mantık Birimi Tasarımı(2025) Zohaib, Muhammad; Navimipour, Nima Jafari; Aydemir, Mehmet TimurElektronik, modern teknolojilerin temel bileşenidir ve transistörler, diyotlar, kapasitörler ve sensörler gibi basit bileşenlerin yardımıyla elektriksel bilginin iletilmesini sağlar. Akımı kontrol ederek, temel sinyal işleme fonksiyonları olan amplifikasyon, anahtarlama ve modülasyon gibi önemli işlevleri yerine getirirler. Mevcut yüksek performanslı sinyal işleme uygulamaları, bu sistemleri daha hızlı, daha küçük ve daha az enerji tüketen hale getiren malzeme bilimi ve nanoteknolojideki güncel gelişmeler sayesinde mümkün olmaktadır. Sinyal işleme, modern yaşamın birçok unsurunun telekomünikasyon, eğitim, sağlık, endüstri ve güvenlik gibi gelişiminde önemli bir etki yaratmıştır. Yarı iletken endüstrisi, sinyal işleme inovasyonunun başlıca itici gücü olup, küresel talebe yanıt olarak giderek daha sofistike elektronik cihazlar ve devreler üretmektedir. Ayrıca, merkezi işlem birimi (CPU), bilgisayarların ve tüm elektronik cihazların ve sinyal işlemenin 'beyni' olarak tanımlanır. CPU, bellek, çarpan, toplayıcı gibi hayati bileşenleri içeren kritik bir elektronik aygıttır. CPU'nun temel bileşenlerinden biri de aritmetik ve mantık birimidir (ALU); toplama, çarpma ve çıkarma gibi tüm CPU işlemleri içinde aritmetik ve mantıksal işlemleri gerçekleştirmektedir. Ancak ALU devrelerinde gecikme, kapladığı alan ve enerji tüketimi önemli parametrelerdir. Mevcut ALU tasarımları yüksek gecikme, fazla alan kullanımı ve yüksek enerji tüketimi gibi sorunlarla karşılaştığı için, yeni teknolojiye dayalı elektronik devrelerin uygulanması; mikrodenetleyiciler, mikroişlemciler ve baskılı cihazlar gibi tüm sinyal işleme aygıtlarının performansını yüksek hız ve düşük alan kullanımı ile önemli ölçüde artırabilir. Kuantum Nokta Hücreli Otomatlar (QCA), bu eksiklikleri gidermek için tüm elektronik devreler ve sinyal işleme uygulamalarında etkili bir teknolojidir. Bu teknoloji, CMOS ve VLSI gibi yerleşik teknolojilere alternatif olarak araştırılmakta olup, ultra düşük güç tüketimi, yüksek cihaz yoğunluğu, THz seviyesinde hızlı çalışma hızı ve azaltılmış devre karmaşıklığı gibi avantajlara sahiptir. Bu araştırma, gelişmiş QCA nanoteknolojisini uygulayarak mikrodenetleyiciler gibi elektronik cihazları geliştiren yenilikçi bir ALU tasarımı önermektedir. Temel amaç, QCA nanoteknolojisinin potansiyelinden tam anlamıyla yararlanan özgün bir ALU mimarisi sunmaktır. Yeni ve verimli bir yaklaşımla, temel mantık kapıları döndürülmemiş tek hücreye dayalı eş düzlemli bir düzenle ustalıkla kullanılmaktadır. Ayrıca bu çalışma, kuantum nokta hücreli otomata teknolojisinde geliştirilmiş 1-bit ve 2-bit aritmetik ve mantık birimi sunmaktadır. Önerilen tasarım; mantık işlemleri, aritmetik işlemler, tam toplayıcı (FA) tasarımı ve çoklayıcıları içermektedir. Tüm önerilen tasarımlar güçlü simülasyon aracı QCADesigner kullanılarak değerlendirilmiş ve doğrulanmıştır. Simülasyon sonuçları, önerilen ALU'nun hücre sayısı ve toplam kaplanan alan açısından en iyi tek katmanlı ve çok katmanlı önceki tasarımlara kıyasla sırasıyla %42.48 ve %64.28 oranında iyileştirme sağladığını göstermektedir.Article Citation - WoS: 19Citation - Scopus: 20A Nano-Scale Design of Arithmetic and Logic Unit for Energy-Efficient Signal Processing Devices Based on a Quantum-Based Technology(Springer, 2025) Zohaib, Muhammad; Navimipour, Nima Jafari; Aydemir, Mehmet Timur; Ahmadpour, Seyed-SajadSignal processing had a significant impact on the development of many elements of modern life, including telecommunications, education, healthcare, industry, and security. The semiconductor industry is the primary driver of signal processing innovation, producing ever-more sophisticated electronic devices and circuits in response to global demand. In addition, the central processing unit (CPU) is described as the "brain" of a computer or all electronic devices and signal processing. CPU is a critical electronic device that includes vital components such as memory, multiplier, adder, etc. Also, one of the essential components of the CPU is the arithmetic and logic unit (ALU), which executes the arithmetic and logical operations within all types of CPU operations, such as addition, multiplication, and subtraction. However, delay, occupied areas, and energy consumption are essential parameters in ALU circuits. Since the recent ALU designs experienced problems like high delay, high occupied area, and high energy consumption, implementing electronic circuits based on new technology can significantly boost the performance of entire signal processing devices, including microcontrollers, microprocessors, and printed devices, with high-speed and low occupied space. Quantum dot cellular automata (QCA) is an effective technology for implementing all electronic circuits and signal processing applications to solve these shortcomings. It is a transistor-less nanotechnology being explored as a successor to established technologies like CMOS and VLSI due to its ultra-low power dissipation, high device density, fast operating speed in THz, and reduced circuit complexity. This research proposes a ground-breaking ALU that upgrades electrical devices such as microcontrollers by applying cutting-edge QCA nanotechnology. The primary goal is to offer a novel ALU architecture that fully utilizes the potential of QCA nanotechnology. Using a new and efficient approach, the fundamental gates are skillfully utilized with a coplanar layout based on a single cell not rotated. Furthermore, this work presents an enhanced 1-bit and 2-bit arithmetic logic unit in quantum dot cellular automata. The recommended design includes logic, arithmetic operations, full adder (FA) design, and multiplexers. Using the powerful simulation tools QCADesigner, all proposed designs are evaluated and verified. The simulation outcomes indicates that the suggested ALU has 42.48 and 64.28% improvements concerning cell count and total occupied area in comparison to the best earlier single-layer and multi-layer designs.Review Citation - WoS: 38Citation - Scopus: 51Inductive Power Transfer for Electric Vehicle Charging Applications: a Comprehensive Review(Mdpi, 2022) Aydin, Emrullah; Aydemir, Mehmet Timur; Aksoz, Ahmet; El Baghdadi, Mohamed; Hegazy, Omar; Baghdadi, Mohamed ElNowadays, Wireless Power Transfer (WPT) technology is receiving more attention in the automotive sector, introducing a safe, flexible and promising alternative to the standard battery chargers. Considering these advantages, charging electric vehicle (EV) batteries using the WPT method can be an important alternative to plug-in charging systems. This paper focuses on the Inductive Power Transfer (IPT) method, which is based on the magnetic coupling of coils exchanging power from a stationary primary unit to a secondary system onboard the EV. A comprehensive review has been performed on the history of the evolution, working principles and phenomena, design considerations, control methods and health issues of IPT systems, especially those based on EV charging. In particular, the coil design, operating frequency selection, efficiency values and the preferred compensation topologies in the literature have been discussed. The published guidelines and reports that have studied the effects of WPT systems on human health are also given. In addition, suggested methods in the literature for protection from exposure are discussed. The control section gives the common charging control techniques and focuses on the constant current-constant voltage (CC-CV) approach, which is usually used for EV battery chargers.Article Yüksek Da Gerilim Uygulamaları için Empedans Kaynaklı Yükseltici Çevirici Tasarımı(2023) Aydemir, Mehmet Timur; Dağ, Bülent; Özdemir, Mehmet Akif; Aydın, Emrullah; Tamyürek, BünyaminBu çalışmada yüksek DA gerilimli bir güç kaynağında kullanılmak üzere yüksek kazançlı yeni nesil bir empedans kaynaklı yükseltici çeviricinin güç katı tasarımı yapılmıştır. Ele alınan empedans kaynaklı çevirici yeni geliştirilmiş bir topoloji olup, çeviricinin temel çalışma prensibi daha önceki bir çalışmada detaylı şekilde incelenmiştir. Bu çalışmada çeviricinin hedeflenen uygulamaya yönelik tasarımı için gereken gerilim-denge ve akım-denge eşitlikleri çıkarılmıştır ve bu eşitlikler kullanılarak uygun devre elemanları değerleri belirlenmiştir. Tasarlanan çeviricinin performansı Matlab-Simulink benzetim modeli ile doğrulanmıştır.Article Citation - WoS: 7Citation - Scopus: 10A New Capacitive Coupler Design for Wireless Capacitive Power Transfer Applications(Elsevier - Division Reed Elsevier India Pvt Ltd, 2023) Erel, Mehmet Zahid; Bayindir, Kamil Cagatay; Aydemir, Mehmet TimurCapacitive power transfer (CPT) technology has become a promising alternative solution for wireless charging applications. This paper proposes a novel coupler design to form a resonant capacitor by inserting dielectric material between two bent metal plates for each primary and secondary circuit. The main purpose of the proposed coupler is to eliminate the external capacitors and solve the low coupling capacitance for CPT applications. A comparison to the conventional four-plate coupler is presented, which shows specifically higher coupling capacitance, lower required inductance, and lower cost. Finally, the effectiveness of the proposed coupler structure is verified by simulation and experimental results. (c) 2023 Karabuk University. Publishing services by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).Conference Object Artificial Neural Networks Predictive Maintenance for Isolated Power DC-DC Converters(Institute of Electrical and Electronics Engineers Inc., 2025) Manatov, Kanat; Fihavango, Titus; Aydemir, Mehmet Timur
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