Başlık için Elektrik - Elektronik Mühendisliği Bölümü Yayın Koleksiyonu listeleme
Toplam kayıt 51, listelenen: 27-46
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Harmonic behaviour of RGB WLED
(IEEE, 2019)For the last few years, there has been a decrease in electricity consumption for lighting purposes. The reason for this decrease is the widespread use of energy saving lighting elements that have high efficacy factor. LEDs ... -
An improved mathematical model for the calculation of maximum permissible DG integration capacity
(Gazi Universitesi Muhendislik-Mimarlik, 2020)Purpose: Distributed generation is the power generation which is realized by being integrated into powersystems from the consumption side. DG promises high potential in terms of reducing environmental andeconomic concerns ... -
An improvement of current driving and electrical conductivity properties in covetics
(Scientific Technical Research Council Turkey-Tubitak, 2021)Compared to pure Cu, Cu lattice retaining carbon atoms, called a covetic material, can have better electrical conductivity. Furthermore, the incorporation of carbon nanostructures into Cu-alloys could improve the mechanical ... -
An improvement of current driving and electrical conductivity properties incovetics
(Tübitak, 2022): Compared to pure Cu, Cu lattice retaining carbon atoms, called a covetic material, can have better electrical conductivity. Furthermore, the incorporation of carbon nanostructures into Cu-alloys could improve the ... -
Inverter based OTA design using gm/IDtransistor sizing technique
(IEEE, 2021)In this paper, transistor sizing of the inverter-based operational transconductance amplifier (OTA), which has been widely used in circuit applications recently, has been implemented with the gm-ID technique. Especially, ... -
A low profile compact three-way Wilkinson power divider with size reduction
(De Gruyter Open Ltd, 2020)In this study, a three-way Wilkinson power divider (WPD) was proposed the circuit whose center frequency was selected as 1.9 GHz operates between 0.95-2.95 GHz frequencies and has a bandwidth of approximately 105%. The ... -
Microstrip tapered traveling wave antenna for wide range of beam scanning in X- and Ku-bands
(Wiley, 2019)In this work, a broadband traveling wave antenna (TWA) is presented as a microstrip design that is capable of a wide range of beam scanning by changing the operation frequency within 8 to 14 GHz. For this purpose, a rhombus ... -
Modeling and realization of cavity-backed dual band SIW antenna
(Applied Computational Electromagnetics Society, 2017)Herein, substrate integrated waveguide technology is applied in order to design high performance dual-band microstrip patch antennas. Two microstrip patch antenna designs were studied and modeled in 3D electromagnetic ... -
Narrow dual band frequency selective surface design for X-band application
(IEEE, 2018)In today's world where communication is very important, studies on communication systems are continuing rapidly to increase the quality of communication. For this reason, in order to be able to develop in important areas ... -
A new design for unequal way Wilkinson power dividers: Euler method approach
(IEEE, 2020)In this study, a multi-section and unequal power division Wilkinson power divider design has been proposed. Euler impedance matching technique has been applied on the output branches of the power division circuit which ... -
A new educational software package for photovoltaic system feasibility: PVGUI
(Sage Publications, 2019)With the increase in the market share of renewable energy sources, the feasibility analysis of the renewable energy-based power systems has also gained importance. In this study, a MATLAB-based interface for the feasibility ... -
A novel design of non-uniform reflectarrays with symbolic regression and its realization using 3-D printer
(Applied Computational Electromagnetics Society, 2019)Herein, a novel design of an X-band Non-Uniform Reflectarray Antenna (NURA) with Symbolic Regression SR and its fabrication using 3D Printer technology are presented. A NURA is consist of simply a grounded dielectric layer ... -
A passive fault-tolerant switched control approach for linear multivariable systems: application to a quadcopter unmanned aerial vehicle model
(ASME, 2020)This paper proposes synthesis algorithms for the design of passive state- and output-feedback fault-tolerant controllers. Sufficient conditions for the existence and the construction of such fault-tolerant controllers are ... -
Performance enhancement of a microstrip patch antenna using dual-layer frequency-selective surface for ISM band applications
(Wiley, 2018)A microstrip patch antenna working at 2.4 GHz at ISM bandis presented in this work by employing an altered anchor-shaped dual-layer frequency-selective surface (DLFSS) on amicrostrip substrate. Both the traditional method ... -
Performance enhancement of a microstrip patch antenna using substrate integrated waveguide frequency selective surface for ISM band applications
(Wiley, 2018)In this work, performance enhancement of a microstrip patch antenna working at ISM band (2.4 GHz) is presented using modified cross shaped Frequency Selective Surface (FSS) constructed on Substrate Integrated Waveguide ... -
Power quality assessment of indoor LED luminaires
(IEEE, 2019)Due to the fact that it is a semiconductor based lighting equipment, the LEDs have important effects on the power quality. In the ever-expanding lighting industry, the use of LED equipment is increasing day by day. Therefore, ... -
Power quality on wind turbine energy output
(IEEE, 2018)The share of wind energy in electric energy generation increase day by day. The penetration of wind power plant in power systems has come to considerable size. On the other hand, power quality concerns are on rise. In this ... -
Realization of dielectric sheets for gain ımprovement of ultra-wideband horn antennas using 3d printer technology
(Applied Computational Electromagnetics Society, 2019)In this work, 3D printing technology had been used to prototyped 10 dielectric sheets with relative dielectric constant of 2.5 for gain improvement of a TEM horn antenna. By loading the 3D printed dielectric sheets to the ... -
Realization of reconfigurable filtering horn antennas using active frequency selective surfaces for GSM and LTE signal filtering
(John Wiley and Sons Inc., 2020)Herein, it is aimed to design an Active Frequency Selective Surface (AFSS) based high performance reconfigurable filtering antenna (Filtenna). The proposed AFSS unit element is consist of a single PIN diode with a simple ... -
Stacked microstrip patch antenna design for ISM band applications with 3D-printing technology
(Wiley, 2019)With the advances in the 3Dprinting technology these technologies are being used in many fields for fast and low-cost prototyping procceses. One of the commonoly used applications is manufacturing of microwave circuits. ...