Yazar "AGÜ, Mühendislik Fakültesi, Elektrik - Elektronik Mühendisliği Bölümü" için Fakülteler listeleme
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RF MEMS variable attenuators with improved dB-linearity
Hah, Dooyoung (SPRINGER HEIDELBERG, 2023)A variable attenuator is one of the essential components in radio frequency (RF) systems, such as automatic gain control amplifiers and full-duplex systems. Variable attenuators based on microelectromechanical systems ... -
RF phase noise filtering properties of an actively mode-locked laser
Mbonde, Hamidu; Ozharar, Sarper; Ozdur, Ibrahim (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2018)In this article, we are presenting the experimental results and theoretical analysis of radio frequency (RF) phase noise filtering properties of a high Q cavity actively driven mode-locked laser. The experimental results ... -
Robust controller electromyogram prosthetic hand with artificial neural network control and position
Ahmed S.; Ahmed A.S.; Yilmaz B.; Dogru N. (Indian Journal of Forensic Medicine and Toxicology, 2020)In this study, we proposed and designed a new control method for an electromyographically (EMG) controlled prosthetic hand. The objective is to increase the control efficiency of the human–machine interface and afford ... -
Robust estimator-based optimal control designs for U-tube steam generators
Ablay, Gunyaz (SAGE PUBLICATIONS LTD, 2015)U-tube steam generator level control systems are used to maintain the water level within prescribed narrow limits and to provide constant supply of high-quality steam during power demand variations. Traditional level control ... -
Robust integral controllers for high-order class-D power amplifiers
Ablay, Gunyaz (INST ENGINEERING TECHNOLOGY-IET, MICHAEL FARADAY HOUSE SIX HILLS WAY STEVENAGE, HERTFORD SG1 2AY, ENGLAND, 2018)This study presents variable structure system theory based robust integral controllers for class-D power amplifiers. These amplifiers are highly efficient switching type power amplifiers with negligible losses. Sensorless ... -
Robust reactivity, neutron source, and precursor estimators for nuclear reactors
Ablay, Gunyaz (ELSEVIER SCIENCE SAPO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2013)Reactivity, precursor concentration, and external neutron source strength determine control, operation and performance of nuclear reactors. These main reactor quantities are not directly measurable and must be calculated ... -
Robust tracking controller for SEPIC drivers
Ablay, Guenyaz (WILEY111 RIVER ST, HOBOKEN 07030-5774, NJ, 2016)The non-minimum phase, non-linear nature of the SEPIC (single-ended primary inductor converter) makes it very difficult to get robust operating conditions under load variations. Sliding-mode control method is utilised to ... -
Rooftop Solar PV Penetration Impacts on Distribution Network and Further Growth Factors-A Comprehensive Review
Uzum, Busra; Onen, Ahmet; Hasanien, Hany M.; Muyeen, S. M. (MDPIST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2021)In order to meet the electricity needs of domestic or commercial buildings, solar energy is more attractive than other renewable energy sources in terms of its simplicity of installation, less dependence on the field and ... -
ROSE: A Novel Approach for Protein Secondary Structure Prediction
Görmez, Yasin; Aydın, Zafer (Springer Science and Business Media Deutschland GmbH, 2021)Three-dimensional structure of protein gives important information about protein’s function. Since it is time-consuming and costly to find the structure of protein by experimental methods, estimation of three-dimensional ... -
Security through Digital Twin-Based Intrusion Detection: A SWaT Dataset Analysis
Bozdal, Mehmet (Institute of Electrical and Electronics Engineers Inc., 2023)Digital twin, as a virtual replica of physical entity, offer valuable insights into Industrial Control System (ICS) behavior and characteristics. Leveraging the convergence of digital twins and cybersecurity, this ... -
Sensorless Position and Speed Control of IPMSM with Sliding Mode Observer and Voltage Signal Injection
A sensorless control approach based on a sliding mode observer for predicting the rotor position and speed is studied in this work. For predicting the motor speed and position, the sliding mode observer followed by a phase ... -
Shell-shaped active layers for omnidirectional organic photovoltaic cells
Hah, Dooyoung (SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 2022)For the employment of organic photovoltaic cells in wearable electronic systems, improvements in energy conversion efficiency and omnidirectionality (angular coverage) are highly appreciated. This study aims at those ... -
Short to Mid-Range Night Fire Detection
Agirman, Ahmet Kerim; Tasdemir, Kamm (IEEE345 E 47TH ST, NEW YORK, NY 10017 USA, 2017)Computer vision methods used for night-time fire detection are limited. Existing works are for detection of distant night fires recorded from watch towers. In this paper, detection of short to mid-range night fires from ... -
A simple approach to prepare self-assembled, nacre-inspired clay/polymer nanocomposites
Xu, Peicheng; Eiser, Erika; Erdem, Talha (ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND, 2020)Inspired by the relationship between the well-ordered architecture of aragonite crystals and biopolymers found in natural nacre, we present a facile strategy to construct large-scale organic/inorganic nacre-mimetics with ... -
A Simple Method for Enhancing the SNR in Direct Detection (p-OTDR based Distributed Acoustic Sensors
Uyar, Faruk; Kartaloglu, Tolga; Unal, Canberk; Ozbay, Ekmel; Ozdur, Ibrahim (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2020)A simple and effective method for increasing the SNR and range in fp-OTDR based direct -detection distributed acoustic sensors is proposed and experimentally verified. The proposed method results in 11 dB SNR improvement ... -
Simple Staining of Cells on a Chip
Kosker, Fatma Betul; Aydin, Omer; Icoz, Kutay (MDPI, 2022)Simple staining of cells is a widely used method in basic medical diagnostics, education, and research laboratories. The stains are low-cost, but the extensive consumption results in excessive toxic waste generation. Thus, ... -
Single and Double Side Comb-Shaped Patch Antenna Design Evolved from Rectangular Shape for Reduced Sized Antenna Applications
Baydar H.; Aslan M.; Kilic V.T. (Institute of Electrical and Electronics Engineers Inc., 2020)This paper reports single and double side comb-shaped patch antennas to be used in reduced-sized antenna applications. The proposed antenna designs are evolved from regular rectangular shape antennas. The designed single ... -
Size, material type, and concentration estimation for micro-particles in liquid samples
Genc, Sinan; Erdem, Talha; İçöz, Kutay (ELSEVIER, 2024)The on-site examination and characterization of microparticles are becoming crucial due to the significant rise in plastic pollution in natural resources. Hence, identifying the specific microplastic composition and ... -
Sliding mode control of a switched reluctance motor drive with four-switch Bi-Directional DC-DC converter for torque ripple minimization
In this paper, a method to drive switched reluctance motors (SRM) with a modular four-switch bidirectional DC-DC converter and an H-bridge is proposed. The DC-DC converter operates as a buck or a boost converter with ... -
Sliding Window and Filterbank Utilization on Riemannian Geometry
Altindis, Fatih; Yilmaz, Bulent (Institute of Electrical and Electronics Engineers Inc., 2022)Riemannian geometry-based signal processing approaches on EEG signals provides similar decoding performance compared to state-of-the-art methods. However, Riemannian geometry framework requires predefine EEG signal ...