Yazar "AGÜ, Mühendislik Fakültesi, Elektrik - Elektronik Mühendisliği Bölümü" için Araştırma Çıktıları | TR-Dizin | WoS | Scopus | PubMed listeleme
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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 ... -
Solid-State Encapsulation and Color Tuning in Films of Cesium Lead Halide Perovskite Nanocrystals for White Light Generation
Torun, Ilker; Altintas, Yemliha; Yazici, Ahmet Faruk; Mutlugun, Evren; Onses, M. Serdar (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2019)Perovskite nanocrystals (PNCs) are highly demanding nanomaterials for solid-state lighting applications. A challenge for their exploitation in practical applications is the insufficient ambient and water stability associated ... -
Spectrally Tunable White Light-Emitting Diodes Based on Carbon Quantum Dot-Doped Poly(N-vinylcarbazole) Composites
Sahin Tiras, Kevser; Biçer, Aysenur; Soheyli, Ehsan; Mutlugun, Evren (AMER CHEMICAL SOC, 2024)Electroluminescent white light-emitting diodes (WLEDs) are always of great interest for emerging display applications. Carbon-based quantum dots (CQDs) are the newest emerging nanoscale materials that can be employed for ... -
Split-attention effects in multimedia learning environments: eye-tracking and EEG analysis
Mutlu-Bayraktar, Duygu; Ozel, Pinar; Altindis, Fatih; Yilmaz, Bulent (SPRINGER, 2022)This study aimed to evaluate the split-attention effect in multimedia learning environments via objective measurements as EEG and eye-tracking. Two different multimedia learning environments in a focused (integrated) and ... -
Steam Generator Level Control with an Observer-Based Algebraic Approach
Ablay, Gunyaz (IEEE, 2013)Level control systems are used to maintain the steam generator water level within the prescribed narrow limits and to provide constant supply of steam during power demand variations. The current level control systems are ... -
Step by Step Design Procedure of a Distribution Static Synchronous Compensator (DSTATCOM)
Teke, Ahmet; Yoldaş, Yeliz; Latran, Mohammad Barghi (ÇUKUROVA ÜNİVERSİTESİ, 2015)DSTATCOM is one of the power conditioning devices that is used to mitigate power quality problems in distribution systems. The overall performance of the DSTATCOM is strictly related with the proper selection of power ... -
Strand wire winding method in a solenoidal coil with limited geometry for good impedance matching
Kılıc, Veli Tayfun (Polska Akademia Nauk, 2023)This paper reports a new strand wire winding method in a solenoidal coil with limited geometry that enables good impedance matching. In the proposed method strand wires are wound layer-by-layer on top of each other allowing ... -
Structural Integrity Analysis of a Two-Pole Synchronous Reluctance Machine with Non-circular Shaft
Tekgun, Didem; Tekgun, Burak; Alan, Irfan (Institute of Electrical and Electronics Engineers Inc., 2023)This paper investigates the structural strength of a 6-inch diameter, two-pole, 4 kW line start synchronous reluctance machine (LS-SynRM) designed with a new noncircular shaft structure that serves as a pump motor. Flux ... -
Study of helical antenna endowing short wire length and compact structure for high-frequency operations and its exclusive manufacturing process
Aslan, Melih; Şık, Kaan; Güzelkara, İzzet; Özdür, İbrahim Tuna; Kılıç. Veli Tayfun (TÜBİTAK, 2023)In this paper a study of a helical antenna resonating at high-frequency (HF) band with a very compact structure is reported. The designed antenna’s S11 parameter magnitude change with frequency was calculated for different ... -
Super resolution convolutional neural network based pre-processing for automatic polyp detection in colonoscopy images
Tas, Merve; Yilmaz, Bulent (PERGAMON-ELSEVIER SCIENCE LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2021)Abstract Colonoscopy is the most common methodology used to detect polyps on the colon surface. Increasing the image resolution has the potential to improve the automatic colonoscopy based diagnosis and polyp detection ... -
Symmetric Electret-Based Vibration Energy Harvesters with Curved-Beam Hinges
Hah, Dooyoung (Institute of Electrical and Electronics Engineers Inc., 2023)Broadband power spectral characteristics are desirable in vibration energy harvesters, and it can be achieved by employing curved-beam hinges, which exhibit forcedisplacement nonlinearity. Via numerical analysis by ...