Güncel Gönderiler: Elektrik-Elektronik Mühendisliği
Toplam kayıt 262, listelenen: 161-180
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Metamaterial absorber sensor design by incorporating swastika shaped resonator to determination of the liquid chemicals depending on electrical characteristics
(Elsevier, 2019)In this work, sensor abilities of the metamaterial absorber based on swastika shaped resonator are developed both theoretically and experimentally at X-band frequency range. The structure is consisted of a swastika shaped ... -
Determination of the liquid chemicals depending on the electrical characteristics by using metamaterial absorber based sensor
(Elsevier, 2019)In this paper, the metamaterial absorber based chemical sensor has been designed and measured experimentally. The proposed structure composed of gammadion copper resonator on the top of the FR4 substrate. There is an air ... -
Intelligent control of high energy efficient two-stage battery charger topology for electric vehicles
(Pergamon-Elsevier Science Ltd, 2019)The energy efficiency of the battery charging system directly affects the distance which electric vehicles can get with per charge process. In addition, reducing current harmonics distortion (THD) increases the electrical ... -
Impulsive Modelling of Noise for OFDM Systems in Power Line Communication: A Necessity or a Redundant Task?
(Springer Singapore Pte, 2020)In Power Line Communication, variations in the characteristics of power lines and additive noise reduce the efficiency of Orthogonal Frequency Division Multiplexing (OFDM), and that makes channel estimation essential. The ... -
Improved MPPT method to increase accuracy and speed in photovoltaic systems under variable atmospheric conditions
(Elsevier Sci Ltd, 2019)The changes in temperature and radiation cause visible fluctuations in the output power produced by the photovoltaic (PV) panels. It is essential to keep the output voltage of the PV panel at the maximum power point (MPP) ... -
High Sensitive Metamaterial Sensor for Water Treatment Centres
(Springer International Publishing Ag, 2019)In this study, a high sensitive metamaterial sensor has been designed to detect quality of water for water treatment centre. The water samples have been obtained and electrical properties have been measured in microwave ... -
Pattern reconfigurable metasurface to improve characteristics of low profile antenna parameters
(Wiley, 2019)This article proposes a mushroom-shaped electromagnetic band gap (EBG) structure for the antenna parameter enhancement of low profile antennas in 5 to 15 GHz regime. Three different type antennas including a dipole antenna, ... -
Mutual Coupling Reduction of Cross-Dipole Antenna for Base Stations by Using a Neural Network Approach
(Mdpi, 2020)In this manuscript, a resonator layer is presented for the purpose of reducing the mutual coupling effect between each antenna element of a cross dipole antenna. In design processes, an artificial neural network approach ... -
Design of a Broadband Coplanar Waveguide-Fed Antenna Incorporating Organic Solar Cells with 100% Insolation for Ku Band Satellite Communication
(Mdpi, 2020)A broadband coplanar waveguide (CPW)-fed monopole antenna based on conventional CPW-fed integration with an organic solar cell (OSC) of 100% insolation is suggested for Ku band satellite communication. The proposed ... -
Bandwidth Improvement in Bow-Tie Microstrip Antennas: The Effect of Substrate Type and Design Dimensions
(Mdpi, 2020)In this work, the impact of substrate type and design dimensions on bow-tie microstrip antenna performance and bandwidth improvement is presented both numerically and experimentally at 4-8 GHz. The finite integration ... -
Enhancement of image quality by using metamaterial inspired energy harvester
(Elsevier, 2020)Metamaterial energy harvester based subwavelength imaging structure is presented. Besides, 2x2 array patch antenna is designed to create incident radiated signal towards the proposed harvester structure. Harvested energy ... -
Metamaterial sensor application concrete material reinforced with carbon steel fiber
(World Scientific Publ Co Pte Ltd, 2020)In this paper, a rectangular split ring resonator-type metamaterial (MTM) sensor application is demonstrated in order to examine concrete materials. First, different types of concrete materials including carbon steel fiber ... -
Electromagnetic simulations of polarization-insensitive and wide-angle multiband metamaterial absorber by incorporating double asterisk resonator
(Indian Acad Sciences, 2020)A novel multiband metamaterial absorber (MTMA) is proposed which is capable of well presenting a polarization-insensitive and wide incident angle stability in the microwave frequency range. The proposed MTMA comprising two ... -
Investigation of microwave power limiter for Industrial Scientific Medical band (ISM) applications
(Wiley, 2020)In this paper, a new design of microstrip power limiter which is based on microstrip technology and zero bias Schottky diode is introduced. In this context, the FR-4 substrate that was characterized by dielectric permittivity ... -
Computation of Robust PI-Based Pitch Controller Parameters for Large Wind Turbines
(IEEE Canada, 2020)This paper deals with the computation of all proportional-integral (PI)-based pitch controllers which achieve the desired frequency-domain specifications, namely, gain and phase margins (GPMs) of a large wind turbine (LWT) ... -
Chemical Liquid and Transformer Oil Condition Sensor Based on Metamaterial-Inspired Labyrinth Resonator
(Electrochemical Society Inc., 2019)In this study, the labyrinth resonator based chemical liquid and transformer oil condition sensor are presented in a microwave frequency range both numerically and experimentally. The transmission coefficient is observed ... -
Lightning Electric Field Analysis of a Transformer Using ANSYS Maxwell
(Institute of Electrical and Electronics Engineers Inc., 2019)Lightning strike is a very important phenomenon for all electrical power systems because of over voltage impulse. Thus, lightning analysis is equally important for power issue. In this paper, lightning electric field ... -
The Impact of Configuration on Channel Characteristics in Visible Light Communication
(Institute of Electrical and Electronics Engineers Inc., 2019)A featured research topic, Visible Light Communication (VLC), is the idea of using Light Emitting Diodes (LEDs), that are used for illumination, for data communication. Reliable communication in VLC systems, as well as in ... -
Exhibition of polarization conversions with asymmetric transmission theory, natural like chiral, artificial chiral nihility and retrieval studies for K- and C-band radar applications
(Indian Academy of Sciences, 2019)In this study, asymmetric transmission, natural chirality phenomena and a retrieval study with chiral metamaterials (MTMs) are numerically and experimentally focussed, investigated and discussed by examining the polarization ... -
Horizontal Rotating Charging Platform for Electric Vehicles
(Institute of Electrical and Electronics Engineers Inc., 2019)Because of paying attention on the greenhouse gas emission of petrol powered vehicles, electric vehicles have been preferred in the last few years. Rising the number of electric vehicles in traffic brings some problems. ...