Güncel Gönderiler: Elektrik-Elektronik Mühendisliği-Makale Koleksiyonu
Toplam kayıt 103, listelenen: 61-80
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Fast adaptive robust differentiator based robust-adaptive control of grid-tied inverters with a new L filter design method
(MDPI, 2020)In this research, a new nonlinear and adaptive state feedback controller with a fast-adaptive robust differentiator is presented for grid-tied inverters. All parameters and external disturbances are taken as uncertain in ... -
Maximizing the efficiency of wireless power transfer systems with an optimal duty cycle operation
(Elsevier GMBH, 2020)In a typical high-power inductive wireless power transfer (WPT) system, AC signal, which drives the coupled resonant inductors (couplers), is produced by a half- or full-bridge inverter. However, the output voltage of an ... -
Thyristor controlled reactor-based voltage and frequency regulation of a three-phase self-excited induction generator feeding unbalanced load
(Wiley, 2020)A self-excited induction generator (SEIG) is one of the cost-effective ways for power generation in remote areas. Unlike common wind energy systems, SEIG needs an excitation capacitor bank to meet the reactive power demand. ... -
Development of a photovoltaic panel emulator and LabVIEW-based application platform
(Wiley, 2020)In this study, a photovoltaic (PV) panel emulator was developed based on a single diode model of a PV cell, and four prototypes of this kind emulator have been produced. In addition, an electronic potentiometer and a central ... -
Analysis of lightning impulse voltage distribution for a dry-type transformer using three different winding types
(Elsevier Sci Sa, 2020)In this study, simulation and test results for lightning impulse voltage distribution in a dry-type transformer were compared for three different winding methods by using round, flat, and strip conductors. Distribution of ... -
A holistic investigation of terahertz propagation and channel modeling toward vertical heterogeneous networks
(IEEE-Inst Electrical Electronics Engineers Inc, 2020)User-centric and low-latency communications can be enabled not only by small cells but also through ubiquitous connectivity. Recently, the vertical heterogeneous network (V-HetNet) architecture has been proposed to ... -
Detection and imaging of underground objects for distinguishing explosives by using a fluxgate sensor array
(MDPI, 2019)Active and passive techniques are two different techniques with which to detect buried explosives. In practice, the most preferred active method works by broadcasting a signal underground. This signal may stimulate the ... -
Terahertz band communication systems: Challenges, novelties and standardization efforts
(Elsevier, 2019)Wireless data rates are expected to be around 10Gbps or even more within the upcoming decade. The realization of such high data rates is unlikely with the currently licensed bands in the spectrum. Therefore, it is clear ... -
Multi sub-coil flux pipe couplers and their use in a misalignment-adaptive wireless power transfer system
(Taylor & Francis LTD, 2019)Flux pipe couplers are compact coils used in wireless power transfer (WPT) applications. The first part of this paper investigates the effect number of sub-coils on the magnetic characteristics. Flux pipe couplers with ... -
Fractional order super-twisting sliding mode observer for sensorless control of induction motor
(Emerald Group Publishing LTD, 2019)Purpose To meet the need of reducing the cost of industrial systems, sensorless control applications on electrical machines are increasing day by day. This paper aims to improve the performance of the sensorless induction ... -
Harmonic overloading minimization of frequency-dependent components in harmonics polluted distribution systems using harris hawks optimization algorithm
(Ieee-Inst Electrical Electronics Engineers INC, 2019)This paper presents a novel approach to optimal planning of a resonance-free C-type harmonic filter to minimize the harmonic overloading level of frequency-dependent components in a non-sinusoidal distribution system. In ... -
Exploiting sparsity recovery for compressive spectrum sensing: A machine learning approach
(IEEE-INST Electrical Electronics Engineers Inc, 2019)Sub-Nyquist sampling for spectrum sensing has the advantages of reducing the sampling and computational complexity burdens. However, determining the sparsity of the underlying spectrum is still a challenging issue for this ... -
Multi-dimensional wireless signal identification based on support vector machines
(Ieee-Inst Electrical Electronics Engineers Inc, 2019)Radio air interface identification provides necessary information for dynamically and efficiently exploiting the wireless radio frequency spectrum. In this study, a general machine learning framework is proposed for Global ... -
Pareto-based multi-objective optimization for fractional order speed control of ınduction motor by using elman neural network
(Springer Heidelberg, 2019)This paper presents Pareto-based multi-objective optimization for speed control of induction motor with fractional order proportional integral (FOPI λ) controller. The aim of this study is to find optimum values of tuning ... -
Stabilisation of a 12 degree of freedom biped robot
(IFAC Secretariat, 2002)This paper considers the design and evaluation of stabilising controllers for a twelve degree of freedom biped robot using linear quadratic optimal control techniques and reduced order observers. The controllers are designed ... -
On the validity of harmonic source detection methods and indices
(2010)In this paper, the validity of the single-point measurements methods and indices, which were proposed for harmonic source detection and sharing harmonic responsibility between utility and consumer, are investigated in a ... -
Analyzing of PI controlled DC/DC converter output voltage using labview
(2010)In this study, feedback control is carried out for DC/DC buck converter by using PI controller. The output voltage signal of the converter is shown on the screen of the computer by using. LabVIEW program. There are RS22 ... -
A current resolution for fast measurement of power resolutions in non sinusoidal single phase systems
(2011)In this paper, a new current decomposition is proposed for effective and fast measurement of the power resolutions defined by Fryze, Shepherd & Zakikhani, Sharon, Kusters & Moore and Czarnecki. The complexity analysis shows ... -
Off-line tuning of fractional order PI lambda controller by using response surface method for induction motor speed control
(Romanian Soc Control Tech Informatics, 2016)In this study, fractional order PI lambda (FOPI lambda) speed control of induction motor is realized with dsPIC30F4011 microcontroller which is suitable for industrial applications. Voltage/frequency (V/f) control method ... -
Lutentium incorporation influence on ZnO thin films coated via a sol-gel route: spin coating technique
(Springer, 2016)Pure and lutetium (Lu) incorporated zinc oxide (ZnO) thin films were deposited by a sol-gel route. The effect of Lu contribution on the properties of ZnO was examined in detail by means of XRD, AFM, SEM, UV-Vis spectrophotometer, ...
