• Secure encryption of biomedical ımages based on arneodo chaotic system with the lowest fractional-order value 

  Emin, Berkay; Akgül, Akif; Horasan, Fahrettin; Gökyıldırım, Abdullah; Çalgan, Haris; Volos, Christos (Multidisciplinary Digital Publishing Institute (MDPI), 2024)

  Fractional-order (FO) chaotic systems exhibit richer and more complex dynamic behaviors compared to integer-order ones. This inherent richness and complexity enhance the security of FO chaotic systems against various attacks ...

• Visual re-initialization model development methodology for solving problems regarding metaheuristic algorithm-based MPPT applications 

  Sezen, Serkan; Kılıç, Fuat (Taylor and Francis Inc., 2024)

  Metaheuristic algorithms are particularly useful for maximum power point tracking (MPPT) applications, because they can adapt to changes in operating conditions and effectively handle partial shading conditions. However, ...

• A novel memristive chaotic jerk circuit and its microcontroller-based sliding mode control 

  Yeşil, Abdullah; Gökyıldırım, Abdullah; Babacan, Yunus; Çalgan, Haris (SAGE Publications Inc., 2024)

  Due to the experimental realization of memristor circuit elements, research on memristors and memristor-based circuits has surged. Because of their nonvolatile and nonlinear behavior, memristors can be easily applied to ...

• A new RMF stirrer design to reduce mixing time 

  Bıçakcı, Sabri; Çıtak, Hakan; Güneş, Hüseyin; Çoramık, Mustafa; Ege, Yavuz (Elsevier B.V., 2024)

  The goal of this study is to develop an FPGA-based new rotating magnetic field (RMF) stirrer system that would reduce mixing time. To achieve this goal, it has been suggested that, unlike the literature, the mixing process ...

• Application of a novel synergetic observer for PMSM in electrical vehicle 

  Boumegouas, Mohammed Kabir Billal; İlten, Erdem; Kouzi, Katia; Demirtaş, Metin; M’hamed, Birame (Springer, 2024)

  This work aims to design a simple and powerful optimal observer for electric vehicles (EV) propelled by permanent magnet synchronous motor (PMSM) using synergetic theory. The development of suggested synergetic observer ...

• Optimal and reliable design of stand-alone hybrid renewable energy systems: A multi-objective approach 

  Tezer, Tuba; Akyüz, Ersin; Gül, Metin (Taylor & Francıs Inc, 2024)

  This study presents solutions for multi-objective, multi-constraint optimization for both photovoltaic (PV) and photovoltaic/thermal (PV/T) stand-alone hybrid renewable energy systems (SA-HRES). The main objective is to ...

• Synchronization of a 4d hyperchaotic system with active disturbance rejection control and its optimization via particle swarm algorithm 

  İlten, Erdem (Afyon Kocatepe Üniversitesi, 2024)

  In this paper, a synchronization study is proposed by using a 4D hyperchaotic system model to be used in secure data transfer applications. Active Disturbance Rejection Control (ADRC) method is used for synchronization ...

• PLC based SCADA system design for instant monitoring and early warning mechanism of toxic gases in underground mines 

  İlten, Erdem; Ünsal, Mehmet Emin (Süleyman Demirel Üniversitesi Mühendislik Fakültesi, 2024)

  In this study, a real-time toxic gas measurement and early warning mechanism is proposed to prevent accidents that may occur in underground mining facilities. Temperature, oxygen (O2), hydrogen sulfide (H2S), methane ...

• Parametric fractional-order analysis of Arneodo chaotic system and microcontroller-based secure communication implementation 

  Gökyıldırım, Abdullah; Akgül, Akif; Çalgan, Haris; Demirtaş, Metin (Elsevier, 2023)

  Indexed keywords SciVal Topics Metrics Abstract Chaotic systems are often used in cryptology applications thanks to their complex dynamic structures. By increasing the dynamic diversity of chaotic systems through ...

• Fractional-Order sliding mode control of a 4D memristive chaotic system 

  Gökyıldırım, Abdullah; Çalgan, Haris; Demirtaş, Metin (Sage Publications Ltd, 2023)

  Chaotic systems depict complex dynamics, thanks to their nonlinear behaviors. With recent studies on fractional-order nonlinear systems, it is deduced that fractional-order analysis of a chaotic system enriches its dynamic ...

• Exploring deep learning for adaptive energy detection threshold determination: A multistage approach 

  Bedir, Oğuz; Ekti, Ali Rıza; Özdemir, Mehmet Kemal (MDPI, 2023)

  The concept of spectrum sensing has emerged as a fundamental solution to address the growing demand for accessing the limited resources of wireless communications networks. This paper introduces a straightforward yet ...

• A new cooling approach to increase efficiency for the induction motor: Vortex tube 

  Cebeci, İsmail; Gürkan, Serkan; Kırmacı, Volkan; Doğan, Seydi (Begell House Inc, 2023)

  With the rising demand for energy, concepts such as energy efficiency, energy-efficient devices, and efficiency have grown in importance in recent years. It is well known that a substantial amount of energy produced around ...

• Fractional order weighted mixed sensitivity-based robust controller design and application for a nonlinear system 

  İlten, Erdem (Multidisciplinary Digital Publishing Institute (MDPI), 2023)

  This paper focuses on fractional-order modeling and the design of a robust speed controller for a nonlinear system. An induction motor (IM), widely used in Electrical Vehicles (EVs), is preferred in this study as a well-known ...

• Improvement of PV unit hosting capacity and voltage profile in distorted radial distribution systems via optimal sizing and placement of passive filters 

  Karadeniz, Alp; Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan (Springer, 2023)

  In this paper, firstly, optimal sizing and placement of photovoltaic-based distributed generation units (PVDGUs) and passive harmonic filters (PFs) are proposed to improve both the PVDGU hosting capacity and bus voltage ...

• A new RMF stirrer using AISI4140 mild steel: Energy optimization application 

  Çıtak, Hakan; Bıçakçı, Sabri; Çoramık, Mustafa; Güneş, Hüseyin; Ege, Yavuz (SCIENDO, 2023)

  This study examines the development of a novel FPGA-based RMF stirrer system. The system has been designed as a 3-phase system, with each phase being fed by PWM voltage with a phase difference of 120 degrees. In case the ...

• Discontinuity detection system in marble: Analysis of the time-frequency characteristics of ultrasonic p-waves 

  Bıçakçı, Sabri; Çıtak, Hakan; Güneş, Hüseyin; Çoramık, Mustafa; Aydın, Yasin; Ege, Yavuz (Amer Soc Testing Materials, 2023)

  This study attempted to determine both the presence and the appearance of the surface of a crack artificially created in a marble block without axial loading or compression by FFT analysis of ultrasonic longitudinal sound ...

• Determining the effect of velocity on sensor selection and position in non-destructive testing with magnetic flux leakage method: a pipe inspection gauge design study with Ansys Maxwell 

  Çoramık, Mustafa; Çıtak, Hakan; Ege, Yavuz; Bıçakçı, Sabri; Güneş, Hüseyin (IEEE- Inst Electrical Electronics Engineers Inc, 2023)

  The magnetic flux leakage (MFL) method, which is among the non-destructive testing (NDT) methods, is frequently used in the determination of discontinuity in ferromagnetic materials. The method focuses on the detection of ...

• Techno-economic viability and future price projections of photovoltaic-powered green hydrogen production in strategic regions of Turkey 

  Gül, Metin; Akyüz, Ersin (Elsevier, 2023)

  This study assesses the economic feasibility of utilizing photovoltaic power for producing green hydrogen in Mersin, ces,me, and Bandirma. We considered the factors for site selection, such as regional hydrogen demand, ...

• Mapping of gradient patterns generated with helmholtz coils for localized magnetic fluid hyperthermia 

  Küçükdermenci, Serhat (2022)

  Magnetic fluid hyperthermia (MFH) is a new generation cancer treatment method under development. One of the challenges that arise in the practical applications of MFH is the limited control of magnetic nanoparticles (MNP). ...

• Hedeflemeli manyetik hipertermi için tek ve çift eksen konumlamalarla oluşturulan gradyan desenlerinin haritalanarak incelenmesi 

  Küçükdermenci, Serhat (2023)

  Manyetik hipertermi (MH), manyetik enerjinin ısı enerjisine dönüştürüldüğü yeni nesil bir kanser tedavi yöntemidir. Bu yöntemde ortaya çıkan zorluklardan biri, manyetik nanopartikül (MNP) salınımlarının sınırlı kontrolüdür. ...

View more