Browsing by Study direction "E09 - Elektronikos inžinerija / Electronic engineering"
Now showing items 1-20 of 68
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A current spectrum-based algorithm for fault detection of electrical machines using low-power data acquisition devices
(Electronics: Advanced Fault Detection, Diagnosis and Prognosis in a Context of Renewable Power Generation, 2023)An algorithm to improve the resolution of the frequency spectrum by detecting the number of complete cycles, removing any fractional components of the signal, signal discontinuities, and interpolating the signal for fault ... -
A deep-learning-based approach to keystroke-injection payload generation
(Electronics: Special issue: Data driven security, 2023)Investigation and detection of cybercrimes has been in the spotlight of cybersecurity research for as long as the topic has existed. Modern methods are required to keep up with the pace of the technology and toolset used ... -
A design methodology for programmable-gain low-noise TIA in CMOS
(Journal of electrical engineering-Elektrotechnický časopis, 2021)The work reports on the design of an area-efficient inductor-less low-noise CMOS trans\-impedance amplifier suitable for entry-level optical time-domain reflectometers. The work suggests a novel approach for implementing ... -
A method of optimizing characteristic impedance compensation using cut-outs in high-density PCB designs
(Sensors, 2022)The modern era of technology contains a myriad of high-speed standards and proprietary serial digital protocols, which evolve alongside the microwave and RF realm. The increasing data rate push the requirements for hardware ... -
A review of fingerprinting techniques for smart cities
(2022 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 21 April 2022, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2022)This paper introduces a review on most common fingerprinting techniques for indoor localization systems, and is aimed at the researchers who want to understand all the aspects and start working in the area of fingerprinting ... -
A study on electrolytic capacitor aging in power converters and parameter change over the lifespan
(2023 IEEE 10th Jubilee Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE), 27-29 April 2023, 2023)Electrolytic capacitor is a very common element used in modern power electronics. Besides the undoubtable advantages as high capacity per volume and low price per capacity unit, they are relatively low reliability and ... -
A system for a real-time electronic component detection and classification on a conveyor belt
(Applied sciences: Special issue: Innovations in intelligent machinery and industry 4.0, 2022)The presented research addresses the real-time object detection problem with small and moving objects, specifically the surface-mount component on a conveyor. Detecting and counting small moving objects on the assembly ... -
Analysis of frequency characteristics of meander structures with different connecting electrodes
(2020 IEEE 8th Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE), 22-24 April 2021, Vilnius, 2021)Meander structures are often used in microwave devices because of small dimensions and positive features. The features of the meander structures like passband, characteristic impedance, delay time and others could be ... -
Analysis of SMT component land pad discontinuity effect on the overall transmission line impedance in high-speed applications
(Journal of Electrical Engineering-Elektrotechnicky Casopis, 2023)High-speed and high-frequency PCB interconnect solutions with the slightest discontinuities in the physical geometry along the microstrip transmission line can significantly degrade the integrity of the signal being ... -
Analytical review of event-based camera depth estimation methods and systems
(Sensors, 2022)Event-based cameras have increasingly become more commonplace in the commercial space as the performance of these cameras has also continued to increase to the degree where they can exponentially outperform their frame-based ... -
Anomalijų kompiuterių tinkluose remiantis paketų ir tinklo srauto analizė
(2023)Baigiamojo magistro darbo tikslas – ištirti kompiuteriniame tinkle kylančias anomalijas, jų priežastis, metodus joms aptikti, sukurti anomalijų atpažinimo metodą ir jį ištirti. Tyrimui naudojamas maršrutų apsikeitimo ... -
Application recognition based on bit-stream shape in mobile networks
(2022 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 21 April 2022, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2022)For mobile network operators, it is important to know the service used by their clients for multiple reasons such as Quality of Service guarantee, throttling, prioritization of traffic, or differentiated pricing. The first ... -
Cascaded multilevel inverter-based asymmetric static synchronous compensator of reactive power
(Symmetry: Special issue "Advanced technologies in power quality and power disturbance data application", 2022)The topology of the static synchronous compensator of reactive power for a low-voltage three-phase utility grid capable of asymmetric reactive power compensation in grid phases has been proposed and analysed. It is implemented ... -
Comparison of parameters of ring and LC-tank digitally controlled oscillators in 0.13 μm CMOS
(Procedia computer science: 2th International Conference on Ambient Systems, Networks and Technologies, ANT 2021 / 4th International Conference on Emerging, March 23-26, 2021, Warsaw, Poland, 2021)Integrated circuits (IC) of two digitally controlled oscillators (DCO) are presented in this article – ring and LC-tank oscillator. Main parameters of these DCOs are measured and compared, applications of such DCOs are ... -
Competition between direct detection mechanisms in planar bow-tie microwave diodes on the base of InAlAs/InGaAs/InAlAs heterostructures
(Sensors: Special issue: Feature papers in physical sensors 2022, 2023)The application of the unique properties of terahertz radiation is increasingly needed in sensors, especially in those operating at room temperature without an external bias voltage. Bow-tie microwave diodes on the base ... -
Crosstalk reduction in high-density radio frequency printed circuit boards: Leveraging FR4 coating layers
(Coatings, 2023)The escalating component density in radio frequency (RF) systems presents a growing challenge related to the coupling of adjacent microstrip lines in high-density printed circuit boards (PCBs). As a result, to tackle this ... -
Design of a functional observer for fuzzy delayed systems with unknown input
(2022 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 21 April 2022, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2022)This study focuses on the design of observers with unknown inputs for delayed systems represented by Takagi-Sugeno (T-S) in continuous time. When the unknown inputs are included in the state and output equations, and the ... -
Digital twin as a virtual sensor for wind turbine applications
(Energies: Magnetic Field Computations and Energy Efficiency Studies in Electrical Machines, 2023)Digital twins (DTs) have been implemented in various applications, including wind turbine generators (WTGs). They are used to create virtual replicas of physical turbines, which can be used to monitor and optimize their ... -
Digital twin of wind generator for modelling various turbine characteristics
(2023 International Conference on Electrical Drives and Power Electronics, EDPE 2023 - Proceedings, 25-27 September 2023, The High Tatras, Slovakia, 2023)This article describes the digital twin of the wind generator. The model of the turbine provides a valuable tool for monitoring, controlling, and predicting the wind generator’s behavior. This type of algorithm allows for ...