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Technologies, Volume 13, Issue 11

2025 November - 60 articles

Cover Story: The focus of this research is on analyzing the advancements in PNT services, as well as future perspectives and trends in the field of satellite positioning and navigation. This paper provides an overview and discussion of the modernization of GNSS (GPS, GLONASS, Galileo, and BDS), RNSS (QZSS, IRNSS, and KPS), and SBAS. It provides a description of the individual systems, the newly launched satellites, and the new civil signals. Furthermore, the implementation of AI-based integrity monitoring with GNSS further enhances the advanced positioning and navigation solutions in critical infrastructure, transportation, and defense sectors. Additionally, this paper presents innovations in space technology in Croatia and highlights the impact of political events on the development of satellite systems, as well as the role of aerospace companies. View this paper
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Articles (60)

  • Article
  • Open Access
483 Views
22 Pages

The traditional intermittent bus lane control struggles to achieve an effective balance between bus priority and lane utilization efficiency. To address this limitation, this study proposes a dynamic control strategy that enables the borrowing of int...

  • Article
  • Open Access
1 Citations
966 Views
26 Pages

Design and Fabrication of a Compact Evaporator–Absorber Unit with Mechanical Enhancement for LiBr–H2O Vertical Falling-Film Absorption, Part I: Experimental Validation

  • Genis Díaz-Flórez,
  • Carlos Alberto Olvera-Olvera,
  • Santiago Villagrana-Barraza,
  • Luis Octavio Solís-Sánchez,
  • Héctor A. Guerrero-Osuna,
  • Teodoro Ibarra-Pérez,
  • Ramón Jaramillo-Martínez,
  • Hans C. Correa-Aguado and
  • Germán Díaz-Flórez

Compact, low-power absorption cooling supports decentralized refrigeration needs and is positioned here as a sustainable approach within environmental technologies. This paper presents the design, fabrication, and experimental validation of a compact...

  • Article
  • Open Access
537 Views
30 Pages

In modern industrial production, the selection and evaluation of technological processes is a factor in achieving high quality, efficiency, and sustainability. Due to the existence of numerous and often contradictory criteria, the decision-making pro...

  • Article
  • Open Access
429 Views
17 Pages

Blockchain Gamification Solution for Regulation of Road Traffic Emissions

  • Bogdan Cristian Florea,
  • Alin Alexandru Șerban,
  • Dragoș Daniel Țarălungă and
  • Mădălin Corneliu Frunzete

Over the past few decades, road traffic has grown significantly, bringing with it increasing safety concerns. These concerns range from short-term issues like accidents and congestion to long-term challenges such as deteriorating air quality and heal...

  • Review
  • Open Access
3 Citations
1,792 Views
35 Pages

Control Methods and AI Application for Grid-Connected PV Inverter: A Review

  • Feng Wang,
  • Ayiguzhali Tuluhong,
  • Bao Luo and
  • Ailitabaier Abudureyimu

Grid-connected PV inverters (GCPI) are key components that enable photovoltaic (PV) power generation to interface with the grid. Their control performance directly influences system stability and grid connection quality. However, as PV penetration in...

  • Article
  • Open Access
1,018 Views
27 Pages

Unsupervised Real-Time Anomaly Detection in Hydropower Systems via Time Series Clustering and Autoencoders

  • Ana I. Oviedo,
  • John F. Vargas,
  • Roberto C. Hincapie,
  • Andres F. Molina,
  • Edimerk A. Vergara and
  • Diana M. Tello

Hydropower plants generate large volumes of data with high-dimensional time series, making early anomaly detection essential for monitoring, preventive maintenance and cost reduction. This study addresses the challenge of detecting anomalies in real...

  • Article
  • Open Access
402 Views
19 Pages

High-Voltage Overhead Power Line Fault Location Through Sequential Determination of Faulted Section

  • Aleksandr Kulikov,
  • Anton Loskutov,
  • Pavel Ilyushin,
  • Andrey Kurkin and
  • Anastasia Sluzova

Overhead power lines (OHPLs) represent the backbone of electric power systems and connect generation sources with consumers. The power supply reliability and maintenance costs of power grids largely depend on accurate fault location on OHPLs, as this...

  • Article
  • Open Access
942 Views
22 Pages

Integrating Advanced Neuro-Oncology Imaging into Guideline-Directed Multimodal Therapy for Brain Metastases: Evaluating Comparative Treatment Effectiveness

  • Keren Rouvinov,
  • Rashad Naamneh,
  • Wenad Najjar,
  • Mahmoud Abu Amna,
  • Arina Soklakova,
  • Ez El Din Abu Zeid,
  • Fahmi Abu Ghalion,
  • Ali Abu Juma’a,
  • Mohnnad Asla and
  • Walid Shalata
  • + 1 author

Background: Brain metastases (BM) are a common and serious complication in cancer patients, particularly those with lung, breast, or melanoma primaries. As systemic therapies extend survival, the incidence of BM has increased, necessitating improved...

  • Article
  • Open Access
1 Citations
3,039 Views
30 Pages

Benchmarking YOLOv8 to YOLOv11 Architectures for Real-Time Traffic Sign Recognition in Embedded 1:10 Scale Autonomous Vehicles

  • Rafael Reveles-Martínez,
  • Hamurabi Gamboa-Rosales,
  • Erika Sánchez-Femat,
  • Javier Saldívar-Pérez,
  • Teodoro Ibarra-Pérez,
  • Luis Carlos Reveles-Gómez,
  • Omar A. Guirette-Barbosa,
  • Jorge I. Galván-Tejada,
  • Carlos E. Galván-Tejada and
  • José M. Celaya-Padilla
  • + 1 author

Traffic sign recognition is still one of the challenging aspects of intelligent vehicle systems, mainly when processor or memory resources are limited. In this work, real-time traffic sign detection was evaluated using five YOLO model variants—...

  • Article
  • Open Access
890 Views
24 Pages

Towards Intelligent Virtual Clerks: AI-Driven Automation for Clinical Data Entry in Dialysis Care

  • Perasuk Worragin,
  • Suepphong Chernbumroong,
  • Kitti Puritat,
  • Phichete Julrode and
  • Kannikar Intawong

Manual data entry in dialysis centers is time-consuming, error-prone, and increases the administrative burden on healthcare professionals. Traditional optical character recognition (OCR) systems partially automate this process but lack the ability to...

  • Article
  • Open Access
587 Views
22 Pages

Deep Learning-Based Aerodynamic Analysis for Diverse Aircraft Configurations

  • Oleg Lukyanov,
  • Van Hung Hoang,
  • Damian Josue Guerra Guerra,
  • Jose Gabriel Quijada Pioquinto,
  • Evgenii Kurkin and
  • Artem Nikonorov

In this study, a neural network was developed to predict the aerodynamic characteristics of fixed-wing aircraft with two lifting surfaces of various aerodynamic configurations. The proposed neural network model can incorporate 23 parameters to descri...

  • Article
  • Open Access
848 Views
28 Pages

The rotor is a crucial component in rotating machinery, where its stability directly impacts performance and safety. Imbalance-induced vibrations can cause severe component wear, resonance instability, and even catastrophic failures, especially in hi...

  • Article
  • Open Access
1 Citations
1,398 Views
19 Pages

Energy Storage Systems in Micro-Grid of Hybrid Renewable Energy Solutions

  • Helena M. Ramos,
  • Oscar E. Coronado-Hernández,
  • Mohsen Besharat,
  • Armando Carravetta,
  • Oreste Fecarotta and
  • Modesto Pérez-Sánchez

This research evaluates Battery Energy Storage Systems (BESS) and Compressed Air Vessels (CAV) as complementary solutions for enhancing micro-grid resilience, flexibility, and sustainability. BESS units ranging from 5 to 400 kWh were modeled using a...

  • Article
  • Open Access
1,065 Views
13 Pages

This paper presents an embedded gateway architecture that enables the seamless integration of Modbus-based industrial devices into Data Distribution Service (DDS) middleware for Industrial Internet of Things (IIoT) applications. The gateway, implemen...

  • Article
  • Open Access
485 Views
20 Pages

Shielding Gas Effect on Dendrite-Reinforced Composite Bronze Coatings via WAAM Cladding: Minimizing Defects and Intergranular Bronze Penetration into 09G2S Steel

  • Artem Okulov,
  • Yulia Khlebnikova,
  • Olga Iusupova,
  • Lada Egorova,
  • Teona Suaridze,
  • Yury Korobov,
  • Boris Potekhin,
  • Michael Sholokhov,
  • Tushar Sonar and
  • Zaijiu Li
  • + 2 authors

Bronze materials are indispensable across numerous industries for enhancing the durability and performance of components, primarily due to their excellent tribological properties, corrosion resistance, and machinability. This study investigates the i...

  • Article
  • Open Access
1,178 Views
26 Pages

Automated Sleep Spindle Analysis in Epilepsy EEG Using Deep Learning

  • Nikolay V. Gromov,
  • Albina V. Lebedeva,
  • Artem A. Sharkov,
  • Anna D. Grebenyukova,
  • Anton E. Malkov,
  • Svetlana A. Gerasimova,
  • Lev A. Smirnov,
  • Tatiana A. Levanova and
  • Alexander N. Pisarchik

Sleep spindles, together with K-complexes, are the distinctive patterns of neuronal activity in EEG recordings during stage 2 sleep. When the mechanisms of sleep spindle generation are impaired, e.g., in epilepsy, their quantitative parameters change...

  • Review
  • Open Access
2,153 Views
51 Pages

Advances in Magnesia–Dolomite Refractory Materials: Properties, Emerging Technologies, and Industrial Applications: A Review

  • Leonel Díaz-Tato,
  • Luis Angel Iturralde Carrera,
  • Jesús Fernando López-Perales,
  • Marcos Aviles,
  • Edén Amaral Rodríguez-Castellanos and
  • Juvenal Rodríguez-Resendiz

Magnesia-dolomite refractories have emerged as sustainable alternatives to traditional carbon- or chromium-containing linings in steelmaking and cement industries. Their outstanding thermochemical stability, high refractoriness, and strong basic slag...

  • Article
  • Open Access
887 Views
22 Pages

With the increasing number of patients with Parkinson’s disease, the detection of Parkinson’s disease is crucial for the early intervention and treatment of this condition. The motor characteristics of Parkinson’s disease primarily...

  • Article
  • Open Access
642 Views
17 Pages

As a fundamental low-level vision task, image restoration plays a pivotal role in reconstructing authentic visual information from corrupted inputs, directly impacting the performance of downstream high-level vision systems. Current approaches freque...

  • Article
  • Open Access
566 Views
23 Pages

We introduce a novel, privacy-preserving AI authoring copilot designed for educational content creation, which uniquely combines a Markov Decision Process (MDP) as a reinforcement learning orchestrator with a locally deployed Qwen3-1.7B-ONNX large la...

  • Article
  • Open Access
939 Views
15 Pages

Energy efficiency is widely recognized as a critical strategy for reducing energy consumption in industrial systems. Improving energy efficiency has become a central point in industrial systems aiming to reduce energy consumption and operational cost...

  • Article
  • Open Access
923 Views
16 Pages

AI-Based Intelligent System for Personalized Examination Scheduling

  • Marco Barone,
  • Muddasar Naeem,
  • Matteo Ciaschi,
  • Giancarlo Tretola and
  • Antonio Coronato

Artificial Intelligence (AI) has brought a revolution in many areas, including the education sector. It has the potential to improve learning practices, innovate teaching, and accelerate the path towards personalized learning. This work introduces Re...

  • Article
  • Open Access
1,305 Views
25 Pages

LungVisionNet: A Hybrid Deep Learning Model for Chest X-Ray Classification—A Case Study at King Hussein Cancer Center (KHCC)

  • Iyad Sultan,
  • Hasan Gharaibeh,
  • Azza Gharaibeh,
  • Belal Lahham,
  • Mais Al-Tarawneh,
  • Rula Al-Qawabah and
  • Ahmad Nasayreh

Early diagnosis and rapid treatment of respiratory abnormalities such as many lung diseases including pneumonia, TB, cancer, and other pulmonary problems depend on accurate and fast classification of chest X-ray images. Delayed diagnosis and insuffic...

  • Article
  • Open Access
443 Views
13 Pages

An important aspect of medical rehabilitation using exoskeletons is objective monitoring of the effectiveness of the exercise program. This control is most often manual and relies on the attention of a rehabilitation physician, but advanced rehabilit...

  • Review
  • Open Access
1,619 Views
43 Pages

Edge computing is characterized by heterogeneous hardware, distributed deployment, and a need for on-site processing, which makes performance benchmarking challenging. This paper presents SHEAB (Scalable Heterogeneous Edge Automation Benchmarking), a...

  • Article
  • Open Access
554 Views
21 Pages

Intelligent Feature Extraction and Event Classification in Distributed Acoustic Sensing Using Wavelet Packet Decomposition

  • Artem Kozmin,
  • Pavel Borozdin,
  • Alexey Chernenko,
  • Sergei Gostilovich,
  • Oleg Kalashev and
  • Alexey Redyuk

Distributed acoustic sensing (DAS) systems enable real-time monitoring of physical events across extended areas using optical fiber that detects vibrations through changes in backscattered light patterns. In perimeter security applications, these sys...

  • Article
  • Open Access
1,119 Views
34 Pages

Adapting the Smart Village Index as a Technological Tool for Rural Digitalization and Tourism Development in Emerging Economies

  • Tamara Gajić,
  • Ivana Blešić,
  • Dragan Vukolić,
  • Milan Ivkov,
  • Milan M. Radovanović,
  • Slavica Malinović-Milićević and
  • Olgica Miljković

This research adapts and tests the Smart Village Index (SVI) as a multidimensional technological model designed to assess the digital readiness, institutional maturity, and infrastructural connectivity of rural areas in Serbia. The research was under...

  • Article
  • Open Access
535 Views
14 Pages

Cu-Assisted Corrosion Conquers Irregularities in Mesoporous Si

  • Hanna V. Bandarenka,
  • Anastasiya Shapel,
  • Diana Laputsko,
  • Alma Dauletbekova,
  • Abdirash Akilbekov,
  • Zhuldyz Nurlan,
  • Diana Junisbekova,
  • Uladzislau Shapel,
  • Alise Podelinska and
  • Dmitry Bocharov
  • + 2 authors

Metal-coated mesoporous PSi (mesoPSi) opens up disruptive perspectives for biosensing, which is primarily enabled by surface-enhanced Raman scattering (SERS). Although the unique performance of SERS-active substrates based on metal-coated mesoPSi has...

  • Article
  • Open Access
1,027 Views
19 Pages

End-Users’ Perspectives on Implementation Outcomes of Digital Voice Assistants Delivering a Home-Based Lifestyle Intervention in Older Obese Adults with Type 2 Diabetes Mellitus: A Qualitative Analysis

  • Costas Glavas,
  • Jiani Ma,
  • Surbhi Sood,
  • Elena S. George,
  • Robin M. Daly,
  • Eugene Gvozdenko,
  • Barbora de Courten,
  • David Scott and
  • Paul Jansons

Managing blood glucose levels and adhering to exercise is challenging for older adults with obesity and type 2 diabetes mellitus (T2DM). Digital voice assistants (DVAs) utilising conversation-based interactions and natural language may overcome barri...

  • Review
  • Open Access
2,143 Views
45 Pages

Carbon dioxide (CO2), the primary anthropogenic greenhouse gas, drives significant and potentially irreversible impacts on ecosystems, biodiversity, and human health. Achieving the Paris Agreement target of limiting global warming to well below 2 &de...

  • Article
  • Open Access
609 Views
21 Pages

With a large number of traditional thermal power units being replaced by inverter-based resources, the system inertia and regulation capability have significantly decreased in certain countries, exposing a critical gap in traditional generation-side-...

  • Article
  • Open Access
2 Citations
2,616 Views
23 Pages

Detection and Classification of Kidney Disease from CT Images: An Automated Deep Learning Approach

  • Md Nazir Hossain,
  • Emu Bhuiyan,
  • Mohammad Badrul Alam Miah,
  • Tanvir Ahmmed Sifat,
  • Zia Muhammad and
  • Md Fuyad Al Masud

Kidney disease is a social and global health concern where early detection is crucial to reducing mortality and improving treatment outcomes. Traditional diagnostic methods are time-consuming and prone to human error. To address the issue, this study...

  • Review
  • Open Access
1 Citations
4,960 Views
37 Pages

Eyes of the Future: Decoding the World Through Machine Vision

  • Svetlana N. Khonina,
  • Nikolay L. Kazanskiy,
  • Ivan V. Oseledets,
  • Roman M. Khabibullin and
  • Artem V. Nikonorov

Machine vision (MV) is reshaping numerous industries by giving machines the ability to understand what they “see” and respond without human intervention. This review brings together the latest developments in deep learning (DL), image pro...

  • Systematic Review
  • Open Access
501 Views
20 Pages

A Network-Based Quantitative Analysis of the Societal Impacts of Assistive Technology

  • Paulo Alexandre Correia de Jesus,
  • Jordam Wilson Lourenço,
  • Osiris Canciglieri Junior,
  • Ismael Cristofer Baierle and
  • Jones Luís Schaefer

It is estimated that around 1.3 billion people, roughly 16% of the global population, live with some form of disability, which can be physical, auditory, visual, intellectual, or psychosocial (mental). To help this group overcome daily functional lim...

  • Article
  • Open Access
1 Citations
732 Views
21 Pages

Spectral Ripples in Normal and Electric Hearing Models

  • Savine S. M. Martens,
  • Jeroen J. Briaire and
  • Johan H. M. Frijns

Devising a psychophysical test to assess spectral resolution has not been easy. Two tests that have been used previously are the spectral ripple test and the spectral-temporally modulated ripple test (SMRT). Over time, questions have been raised abou...

  • Article
  • Open Access
3 Citations
1,650 Views
36 Pages

The growing need for sustainable energy practices necessitates technology-driven interventions that can effectively bridge the disparity between consumer intentions and actual behavior. This paper formulates and empirically substantiates an IoT-enabl...

  • Article
  • Open Access
4,459 Views
19 Pages

By increasing the number of vehicles, an intelligent parking system can help drivers in finding parking slots by providing real-time information. To address this issue, this study developed an Arduino-based automated parking system integrating sensor...

  • Article
  • Open Access
962 Views
21 Pages

Enhancing Migraine Classification Through Machine Learning: A Comparative Study of Ensemble Methods

  • Raniya R. Sarra,
  • Ayad E. Korial,
  • Ivan Isho Gorial and
  • Amjad J. Humaidi

A migraine is a common and complex neurological disorder affecting more than 90% of people globally. Traditional migraine diagnostic and classification methods are time-intensive and prone to error. In today’s world, where health and technology...

  • Article
  • Open Access
1,087 Views
20 Pages

Decoding Temporally Encoded 3D Objects from Low-Cost Wearable Electroencephalography

  • John LaRocco,
  • Qudsia Tahmina,
  • Saideh Zia,
  • Shahil Merchant,
  • Jason Forrester,
  • Eason He and
  • Ye Lin

Decoding visual content from neural activity remains a central challenge at the intersections of engineering, neuroscience, and computational modeling. Prior work has primarily leveraged electroencephalography (EEG) with generative models to recover...

  • Article
  • Open Access
1,051 Views
31 Pages

Dynamic Spectrum Sharing (DSS) enables spectrum sharing between Long-Term Evolution (LTE) and New Radio (NR) systems, addressing spectrum scarcity in NR. To avoid interference when supporting NR traffic within LTE spectrum, key factors must be compat...

  • Article
  • Open Access
1,673 Views
22 Pages

An Open-Source Neonatal Phototherapy Device

  • Joshua Givans,
  • Augustine Waswa,
  • Janiffer Nyambura,
  • Gidraf Njoroge,
  • Gordon Macharia,
  • June Madete and
  • Joshua M. Pearce

Severe neonatal hyperbilirubinemia (SNH) (jaundice) is responsible for over 114,000 preventable neonatal deaths annually, as the technology that can treat the condition is cost-prohibitive for low- and middle-income countries. In this study an open-s...

  • Article
  • Open Access
560 Views
17 Pages

The removal of primer from aircraft skin epoxy resin primer plates was investigated by using an adaptive hydraulically controlled polishing tool in conjunction with an industrial robot. This study examined the effects of several key process parameter...

  • Article
  • Open Access
657 Views
18 Pages

TinyML Implementation of CNN-Based Gait Analysis for Low-Cost Motorized Prosthetics: A Proof-of-Concept

  • João Vitor Y. B. Yamashita,
  • João Paulo R. R. Leite and
  • Jeremias B. Machado

Real-time gait analysis is essential for the development of responsive and reliable motorized prosthetics. Deploying advanced deep learning models on resource-constrained embedded systems, however, remains a major challenge. This proof-of-concept stu...

  • Article
  • Open Access
1,005 Views
35 Pages

Non-Invasive Multimodal and Multiscale Bioelectrical Sensor System for Proactive Holistic Plant Assessment

  • Jonnel Alejandrino,
  • Elmer Dadios,
  • Ryan Rhay Vicerra,
  • Argel Bandala,
  • Edwin Sybingco,
  • Laurence Gan Lim,
  • Raouf Naguib and
  • Ronnie Concepcion

Global crop losses of 20–40% continue because traditional plant assessment methods are either invasive, damaging plant tissues, or reactive, detecting stress only after visible symptoms. Recent developments have remained fragmented, focusing on...

  • Article
  • Open Access
1,475 Views
27 Pages

Electricity tariffs in emerging economies are often influenced by macroeconomic volatility and regulatory design, affecting both affordability and system stability. Understanding these interactions is crucial for anticipating price fluctuations and e...

  • Review
  • Open Access
3,094 Views
18 Pages

Modernization of GNSS, RNSS, and SBAS

  • Krunoslav Špoljar,
  • Mladen Zrinjski,
  • Antonio Tupek and
  • Karlo Stipetić

This review provides an extensive overview of the modernization of Global Navigation Satellite System (GNSS), Regional Navigation Satellite System (RNSS), and Satellite-Based Augmentation System (SBAS) up to 28 September 2025. It covers a description...

  • Article
  • Open Access
1,026 Views
20 Pages

Accurately predicting the trip-level energy consumption of battery electric vehicles (BEVs) can alleviate range anxiety of drivers and improve intelligent route planning. However, although data-driven methods excel in predicting with multi-feature in...

  • Article
  • Open Access
1 Citations
692 Views
18 Pages

The Compact Model Synthesis for the RADFET Device

  • Vadim Kuznetsov,
  • Dmitrii Andreev,
  • Vladimir Andreev,
  • Sergei Piskunov and
  • Anatoli I. Popov

This article proposes a compact model for the radiation-sensitive field-effect transistor (RADFET). The model represents the basic I–V characteristics of the MOSFET device and includes the effects of threshold voltage shift as a function of abs...

  • Article
  • Open Access
562 Views
21 Pages

Modification of Al2O3-Based Membranes with Carbon Black for Enhanced Hydrogen Permeation

  • Montree Hankoy,
  • Mana Rodchom,
  • Supawan Vichaphund,
  • Duangduen Atong,
  • Jianfeng Zhang,
  • Mettaya Kitiwan and
  • Phacharaphon Tunthawiroon

This work presents the development and characterization of alumina–carbon black (ACB) composite membranes for enhanced hydrogen separation performance. A series of membranes containing 0–3.0 wt.% carbon black was fabricated via high-tempe...

  • Article
  • Open Access
755 Views
25 Pages

Optimization Method Based on the Minimum Action Principle for Trajectory Length of Articulated Manipulators

  • Cozmin Adrian Cristoiu,
  • Marius-Valentin Drăgoi,
  • Andrei Mario Ivan,
  • Roxana-Mariana Nechita,
  • Iuliana Grecu,
  • Roxana-Adriana Puiu,
  • Gabriel Petrea and
  • Popescu Emilia

In addition to the performance parameters of a mechanical manipulator—such as precision, repeatability, payload and maximum speed—path optimization can bring significant improvements in terms of cycle time and energy consumption. In this...

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Technologies - ISSN 2227-7080