Güncel Gönderiler: Elektrik-Elektronik Mühendisliği
Toplam kayıt 297, listelenen: 21-40
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Electromagnetic wave absorption in polyaniline coated Y3Fe5O12/Carbon-Black hybrid composites
(Elsevier, 2024)Y3Fe5O12(YIG)(1-x)/Carbon-Black(CB)(x) (0.00 <= x <= 1.00; 0.25 steps) coated with polyaniline (PANI), forming a core-shell structure, were synthesized by in-situ polymerization following sol-gel and solid-state reactions. ... -
Directly power system harmonics estimation using Equilibrium Optimizer
(Elsevier, 2024)In power systems, the frequency values of current and voltage signals are expected to be at the fundamental frequency. Harmonic components may occur due to the effect of non-linear loads. Accurate estimation of harmonic ... -
Data-driven surrogate modeling of dielectric reflectarray antenna using 3D printing technology for X band applications
(Wiley, 2024)Reflectarray (RA) antennas are gaining recognition as a high-performance alternative for antenna design. They combine the functionalities of standard parabolic reflectors and phased array antennas without a feed network. ... -
A fast and robust sliding mode controller for automatic voltage regulators in electrical power systems
(Elsevier, 2024)In this paper, a fast and robust sliding mode controller (SMC) based on a novel multi-variable sliding function is proposed for Automatic Voltage Regulators (AVRs) in electrical power systems. Lyapunov stability theorem ... -
Broadband multi-layered stepped cone shaped metamaterial absorber for energy harvesting and stealth applications
(Wiley, 2024)In this study, a broadband polarization and angle-independent metamaterial absorber (MA) is investigated in the microwave range. It is made up of a periodic array of multi-layered metal-dielectric stepped cones. Since the ... -
Intelligent Sinter Machine Speed Control System Using Optimized Fuzzy Logic Controller: An Experimental Study in Iron and Steel Plant
(Springer, 2024)Intelligent control systems developed for production facilities significantly contribute to production efficiency and quality. Using intelligent control systems has now become a necessity in iron and steel sintering plants ... -
A New Perspective for Early Detection of Bone Tumour: Metamaterial-Based Antenna Solution
(Springer, 2024)Bone tumours are a complex group of pathological conditions that can occur in any region of the bones and are classified as benign or malignant. Osteosarcoma is the most common primary bone malignancy and is divided into ... -
Mechanical and radar absorption properties of sheep wool/epoxy composites
(Emerald Publishing, 2024)Purpose: The aim of this study is to determine the fracture behavior of wool felt and fabric based epoxy composites and their responses to electromagnetic waves. Design/methodology/approach: Notched and unnotched tensile ... -
A low-profile circularly polarized cavity-based waveguide aperture antenna
(Wiley, 2024)This article proposes a new design of a circularly polarized (CP) aperture antenna based on a dual-mode rectangular waveguide cavity-resonator. A capacitive iris is employed to attain a strong coupling between the cavity ... -
Graphene-Based Tunable Metamaterial Absorber for Terahertz Sensing Applications
(Springer, 2024)Terahertz (THz) absorbers, vital in advanced materials and photonics, manipulate electromagnetic waves within the 0.1 to 10 THz frequency range. These absorbers, crafted from nanostructures and metamaterials, offer ... -
A low-profile antenna with parasitic elements and a DGS-based partial ground plane for 5G/WMAN applications
(Springer, 2024)A low-profile antenna with three parasitic elements is designed and presented for fifth-generation (5G) and wireless metropolitan area network (WMAN) applications. This prototype covers the frequency range of 2.75–4.94 ... -
Compartments in medulloblastoma with extensive nodularity are connected through differentiation along the granular precursor lineage
(Nature Research, 2024)Medulloblastomas with extensive nodularity are cerebellar tumors characterized by two distinct compartments and variable disease progression. The mechanisms governing the balance between proliferation and differentiation ... -
Polarization-Insensitive Ultra-wideband Metamaterial Absorber for C- and X-bands
(Springer, 2024)This paper presents the design and analysis of a metamaterial-based wideband microwave absorber in the C- and X-band, comprised of lumped resistors, having thicknesses of the order of 0.05 λ mm. The structure was micro-machined ... -
A Novel Ensemble Wind Speed Forecasting System Based on Artificial Neural Network for Intelligent Energy Management
(Institute of Electrical and Electronics Engineers Inc., 2024)Accurate and consistent wind speed forecasting is vital for efficient energy management and the market economy. Wind speed is non-linear, non-stationary, and irregular, so it is very difficult to forecast. There are many ... -
Ensemble Learning Algoritması Kullanılarak X-Ku Bant Aralığında Çalışan Mikrodalga Frekans Seçici Yüzey Tasarımı
(Institute of Electrical and Electronics Engineers Inc., 2024)Frekans seçici yüzeyler, çeşitli sektörlerde yaygın olarak kullanılan elektromanyetik filtrelerdir. Bu filtrelerin tasarım süreci, optimizasyonu ve gerçeklenmesi uzun zaman almaktadır. Klasik optimizasyon yöntemleri ... -
A Novel Ensemble Wind Speed Forecasting System Based on Artificial Neural Network for Intelligent Energy Management
(Institute of Electrical and Electronics Engineers Inc., 2024)Accurate and consistent wind speed forecasting is vital for efficient energy management and the market economy. Wind speed is non-linear, non-stationary, and irregular, so it is very difficult to forecast. There are many ... -
A Bandpass Frequency Selective Surface Filter for Earth Observation Satellite and Radar Applications
(Çukurova Üniversitesi, 2021)In this paper, a bandpass frequency selective surface filter has been suggested for the satellite and radar applications at X band frequency regime. The study has been conducted both numerically and experimentally in a ... -
An easy-to-produce HIS-based MIMO radio altimeter antenna design for aircraft
(Emerald Publishing, 2023)PurposeThe purpose of this study is to design a radio altimeter antenna whose production process is facilitated and can work with multiple-input multiple-output (MIMO) properties to provide space gain on the aircraft.Des ... -
Optimal design of transmitarray antennas via low-cost surrogate modelling
(Nature Research, 2023)Over the recent years, reflectarrays and transmitarrays have been drawing a considerable attention due to their attractive features, including a possibility of realizing high gain and pencil-like radiation patterns without ... -
Design and Characterization of a Compact Four-Element Microstrip Array Antenna for WiFi-5/6 Routers
(Wiley, 2023)The WiFi-5 band was the most popular WiFi band until the Federal Communications Commission (FCC) announced a new spectrum of 6 GHz WiFi (5.925-7.125 GHz) for unlicensed users. Our proposed work is about to cover both the ...
