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Electrical, Control and Communication Engineering
ISSN 2255-9159 · Riga Technical University Press · 253 artikel di indeks
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Artikel Jurnal
Research into Performance Index-Dependent Student Learning Dynamics
The problem of effective student learning of a new course within the framework of rational student goal setting is an “eternal” applied problem for the social and technical sciences. Each rational goal setting of the student was formulated in the form of a non-obvious mathematical construct of a…
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Artikel Jurnal
Middle is the Invariant Unique Optimal Time Moment in Exponentially-Concave-Reward 1-Bullet Progressive Silent Duel
The finite 1-bullet progressive silent duel is considered, in which each of the two duellists shoots with exponentially-concave reward. The duel models a system of one-decision-making competition between two identical intelligent competitors (duellists) through a quantized time span, in which the…
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Artikel Jurnal
Design of Helical Coil-Gun Based on Self-Induction Coefficient and Projectile Size Optimization
Electromagnetic Launcher (EML) systems are classified into two main categories based on their fundamental operating principles: rail guns and coil guns. Rail guns accelerate a conductive projectile using magnetic force by passing a high current between two parallel rails, but they suffer from wear…
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Artikel Jurnal
Performance Index Selection in Machinery Dynamics Instruction
The practical need for an effective student-centric organisation of active study by Bachelor’s and Master’s students of technical specialties at universities of the course on the fundamentals of optimal control theory determines the relevance of the author’s methodological approach presented in…
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Artikel Jurnal
Simulation and Analysis of the Code Domain NOMA with UFMC for 5G Wireless Networks
In fifth generation (5G) wireless networks, radio access techniques and multi-carrier waveforms play a vital role in meeting the diversified demands of ultra-low latency, massive connectivity, and higher throughput. Multi-access schemes used conventionally in 4G system was Orthogonal Multiple…
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Artikel Jurnal
PI Controller Based Automatic Power Factor Correction (APFC) Using Capacitor Bank
Power factor plays an important role in electrical industries. Low power factor results in loss of power and poor handling capacity. This factor can be overcome by using capacitors in parallel to the load. Since capacitor draws a leading while inductor draws a lagging current, hence by adjusting…
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Artikel Jurnal
Integrating IoT Technology for Improved Distribution Transformer Monitoring and Protection
This research study focuses on developing and implementing an IoT-based distribution transformer monitoring and protection system. The traditional methods of transformer protection and monitoring have proven to be inefficient and time-consuming, leading to the need for a more modern and effective…
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Artikel Jurnal
Optimized Centroid-Based Clustering of Dense Nearly-square Point Clouds by the Hexagonal Pattern
An approach to optimize centroid-based clustering of flat objects is suggested, which is practically important for efficiently solving metric facility location problems. In such problems, the task is to find the best warehouse locations to optimally service a given set of consumers. An example is…
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Artikel Jurnal
Integration of EVs through RES with Controlled Interfacing
Electric cars have a lot of promise in future energy markets as a manageable load. A popular vehicle-to-grid control interface, which enables the aggregation of the charging mechanism for energy management in the distribution grid, is one of the most significant road blocks to realize this…
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Artikel Jurnal
Sampled-Data Nonlinear Control of ECP-730 Magnetic Levitation System
This paper presents the idea of implementing various techniques related to sampled-data control for magnetic levitation systems. The control laws are designed to track time-varying signals and employ the feedback linearization technique based on the approximate discrete-time model. State feedback…
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Artikel Jurnal
Effect of DGs on Power Quality of Distribution System: An Analytical Review
This article offers an overview of distributed generation (DG) in distribution systems (DS). The primary goal of this study is to assess the performance of DGs in DS. Due to the rise in electrical energy consumption, it is anticipated that DG sources would be essential to DS. Future power…
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Artikel Jurnal
A New RMF Stirrer Using AISI4140 Mild Steel: Energy Optimization Application
This study examines the development of a novel FPGA-based RMF stirrer system. The system has been designed as a 3-phase system, with each phase being fed by PWM voltage with a phase difference of 120°. In case the system is driven at a 100 % duty cycle, the force acting on the magnetic fish remains…
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Artikel Jurnal
Automatic Vessel Steering in a Storm
The issues of automatic vessel control in a storm are considered in the paper. Vessel control in a storm is the most difficult stage in the vessel’s wiring, as it requires quick decisions to be made in difficult conditions. Practical experience shows that the deterioration of the working conditions…
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Artikel Jurnal
A State of the Art in Simultaneous Localization and Mapping (SLAM) for Unmanned Ariel Vehicle (UAV): A Review
For the past decade, the main problem that has attracted researchers’ attention in aerial robotics is the position estimation or Simultaneous Localization and Mapping (SLAM) of Unmanned Aerial Vehicles (UAVs) where the GPS signal is poor or denied. This article reviews the strengths and weaknesses…
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Artikel Jurnal
Simulation and Application Purpose of a Randomized Secret Key with Quantum Key Distribution
The Quantum Key Distribution (QKD) is a well-researched secure communication method for exchanging cryptographic keys only known by the shared participants. The vulnerable problem of a secret key distribution is the negotiation and the transfer over an insecure or untrusted channel. Novel further…
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Artikel Jurnal
Dual-Band, EBG-DGS Wearable Antenna for Emergency Services and Responses in WBAN
The paper introduces a compact, thin flexible textile antenna integrated with an Electromagnetic Bandgap (EBG) and Defected Ground Structure (DGS) covering the Wireless Local Area Networks (WLAN) bands (2.4-2.485 GHz and 5.1-5.9 GHz) for emergency services and responses. The geometry and…
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Artikel Jurnal
Three-Point Iterated Interval Half-Cutting for Finding All Local Minima of Unknown Single-Variable Function
A numerical method is suggested to find all local minima and the global minimum of an unknown single-variable function bounded on a given interval regardless of the interval length. The method has six inputs: three inputs defined straightforwardly and three inputs, which are adjustable. The…
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Artikel Jurnal
GPR Application for Non-Rigid Road Pavement Condition Assessment
The main aim of the article is to demonstrate the effectiveness of the use of ground penetrating radars to assess various objects using the example of assessing the current state of highways. The article uses the software developed by the authors and the corresponding mathematical models. The…
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Artikel Jurnal
Technical Condition Monitoring for Telecommunication and Radioelectronic Systems with Redundancy
The telecommunication and radioelectronic systems with redundancy are widely used in different branches of human activity. To provide the necessary reliability level of equipment, the operation system is utilized. That system contains intended use, maintenance, repair, technical condition…
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Artikel Jurnal
Reconfiguration and Analysis of PV Array based on Particle Swarm Optimization of Solar Plant
The major shortcoming in the extraction of electrical energy occurs due to partial shading over a limited area of vast spread solar panels underpinning reduction of efficiency. A number of panels are interconnected in series and parallel to form a photovoltaic (PV) array for large power plants and…