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Electronics, Volume 14, Issue 24

2025 December-2 - 200 articles

Cover Story: This study evaluates the use of motor current signature analysis (MCSA) to monitor axial fan motors in highway tunnels under real operating conditions. Measurements were taken remotely from electrical cabins using a permanently installed acquisition system with Rogowski sensors, enabling monitoring of all motors in each tunnel. Harmonics associated with rotor bar defects and eccentricity were tracked over time. Comparison of the results with maintenance reports confirmed eccentricity in two motors caused by bearing defects, while aluminium porosity was suspected in one motor. Furthermore, it is envisaged that machine-learning methods could be applied to the measured signals, together with additional inputs, to enable future remaining useful life estimation and predictive maintenance. View this paper
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Articles (200)

  • Article
  • Open Access
3 Citations
871 Views
14 Pages

Demonstration of 2D Optoelectronic THz-Wave Beam Steering

  • Bo Li,
  • Hussein Ssali,
  • Yuanhao Li,
  • Ming Che,
  • Shenghong Ye,
  • Yuya Mikami and
  • Kazutoshi Kato

18 December 2025

Advanced two-dimensional (2D) beam steering is essential for unlocking the full potential of terahertz (THz) systems in future 6G communications and high-resolution imaging. However, achieving wide-angle, high-speed, and high-precision 2D beam contro...

(This article belongs to the Special Issue Smart Antennas and Systems for 5G and Beyond: Latest Advances and Prospects, 2nd Edition)
  • Article
  • Open Access
1 Citations
674 Views
17 Pages

18 December 2025

In the case of small disturbances in the power grid, virtual synchronous generators (VSGs) often exhibit active power steady-state errors and significant frequency overshoot, and it is difficult to balance the reduction of active power steady-state e...

(This article belongs to the Special Issue Stability Analysis and Optimal Operation Strategy for Power Systems with High Renewable Energy Penetration)
  • Article
  • Open Access
1,289 Views
25 Pages

PVConv: Enhancing Depthwise Separable Convolution via Preference-Value Learning for Similar-Feature Discrimination

  • Weixiong Peng,
  • Bingyan Li,
  • Ping Wang,
  • Huiping Huang,
  • Yangyang Zou and
  • Xiaoli Qiao

18 December 2025

Depthwise Separable Convolution (DSC) is widely used due to its significant reduction in parameters and computational cost. However, the depthwise convolution process leads to a decrease in spatial information integration, limiting the network’...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
2 Citations
2,685 Views
24 Pages

18 December 2025

This article addresses the lack of low-cost, secure image-transmission solutions for IoT systems in remote environments. The design and implementation of a complete LoRa-based transmission system using ESP32 microcontrollers and Ebyte E220 modules, f...

(This article belongs to the Special Issue The Future of Unmanned Aerial Vehicles (UAV) and IoT Technologies: Challenges, and Innovations)
  • Article
  • Open Access
2 Citations
827 Views
16 Pages

Enabling Fast Frequency Response with Adaptive Demand-Side Resource Control: Strategy and Field-Testing Validation

  • Shunxin Wei,
  • Yingqi Liang,
  • Zhendong Zhao,
  • Yan Guo,
  • Jiyu Huang,
  • Ying Xue and
  • Yiping Chen

18 December 2025

With the large-scale integration of new energy and power electronic devices into power systems, frequency stability has become an increasingly critical concern. To maintain frequency stability while mitigating the high capital expenditure of energy s...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
584 Views
22 Pages

FedTULGAC: A Federated Learning Method for Trajectory User Linking Based on Graph Attention and Clustering

  • Haitao Zhang,
  • Yang Xu,
  • Huixiang Jiang,
  • Yuanjian Liu,
  • Weigang Wang,
  • Yi Li,
  • Yuhao Luo and
  • Yuxuan Ge

18 December 2025

Trajectory User Linking (TUL) is a pivotal technology for identifying and associating the trajectory information from the same user across various data sources. To address the privacy leakage challenges inherent in traditional TUL methods, this study...

(This article belongs to the Special Issue Advances in Deep Learning for Graph Neural Networks)
  • Article
  • Open Access
1,105 Views
21 Pages

A Deep Learning Approach to Classifying User Performance in BCI Gaming

  • Aimilia Ntetska,
  • Anastasia Mimou,
  • Katerina D. Tzimourta,
  • Pantelis Angelidis and
  • Markos G. Tsipouras

18 December 2025

Brain–Computer Interface (BCI) systems are rapidly evolving and increasingly integrated into interactive environments such as gaming and Virtual/Augmented Reality. In such applications, user adaptability and engagement are critical. This study...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
750 Views
21 Pages

A Unified Fault-Tolerant Batch Authentication Scheme for Vehicular Networks

  • Yifan Zhao,
  • Hu Liu,
  • Xinghua Li,
  • Yunwei Wang,
  • Zhe Ren and
  • Peiyao Wang

18 December 2025

This paper proposes a unified fault-tolerant batch authentication scheme for vehicular networks, designed to address key limitations in existing approaches, namely the segregation between in-vehicle and V2I authentication scenarios and the lack of fa...

(This article belongs to the Special Issue Cryptography and Computer Security)
  • Article
  • Open Access
969 Views
16 Pages

18 December 2025

Multimodal emotion recognition (MER) often relies on single-scale representations that fail to capture the hierarchical structure of emotional signals. This paper proposes a Dual Routing Mixture-of-Experts (MoE) model that dynamically selects between...

(This article belongs to the Special Issue Artificial Intelligence and Advanced Signal Processing Techniques and Their Applications)
  • Article
  • Open Access
2 Citations
1,420 Views
22 Pages

18 December 2025

The generation of synthetic cyber threat intelligence (CTI) has emerged as a significant area of research, particularly regarding the capacity of large language models (LLMs) to produce realistic yet deceptive security content. This study explores bo...

(This article belongs to the Special Issue Enhancing Cybersecurity: Advanced Attack Detection and Defense Techniques)
  • Article
  • Open Access
816 Views
19 Pages

18 December 2025

This paper proposes a small-signal model of a DC–DC parallel resonant converter operating in continuous conduction mode based on asymmetric pulse-width modulation (APWM) under light-load conditions. The parallel resonant converter enables soft...

(This article belongs to the Special Issue New Insights in Power Electronics: Prospects and Challenges)
  • Article
  • Open Access
6 Citations
1,745 Views
25 Pages

18 December 2025

Steel, a fundamental material in modern industry, is widely used across manufacturing, construction, and energy sectors. Steel surface defects exhibit characteristics such as multiple classes, multi-scale features, small detection targets, and low-co...

(This article belongs to the Special Issue Advances in Real-Time Object Detection and Tracking)
  • Article
  • Open Access
2 Citations
1,197 Views
27 Pages

18 December 2025

In recent years, intelligent driving has attracted more and more attention due to its potential to revolutionize transportation safety and efficiency, emerging as a disruptive technology that reshapes the future landscape of transportation. Environme...

(This article belongs to the Special Issue Next-Generation Wireless Networks: Advances in 5G, 6G, and Broadband Communication)
  • Article
  • Open Access
2 Citations
1,356 Views
22 Pages

An AI-Driven System for Learning MQTT Communication Protocols with Python Programming

  • Zihao Zhu,
  • Nobuo Funabiki,
  • Htoo Htoo Sandi Kyaw,
  • I Nyoman Darma Kotama,
  • Anak Agung Surya Pradhana,
  • Alfiandi Aulia Rahmadani and
  • Noprianto

18 December 2025

With rapid developments of wireless communication and Internet of Things (IoT) technologies, an increasing number of devices and sensors are interconnected, generating massive amounts of data in real time. Among the underlying protocols, Message Queu...

(This article belongs to the Special Issue Advanced System Architectures and AI-Driven Innovations for Next-Generation Computing)
  • Article
  • Open Access
1,740 Views
14 Pages

Neurosynaptic Core Prototype for Memristor Crossbar Arrays Diagnostics

  • Ivan V. Alyaev,
  • Igor A. Surazhevsky,
  • Dmitry V. Ichyotkin,
  • Vladimir V. Rylkov and
  • Vyacheslav A. Demin

18 December 2025

The use of neural network technologies is becoming more widespread today, from automating routine office tasks to developing new medicines. However, at the same time, the load on power grids and generation systems increases significantly, which, alon...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
1,113 Views
25 Pages

18 December 2025

The aquaculture industry is growing strongly, especially in facilities and technical infrastructure. Aquaculture real estate serves as an important component for these developments. Although the aquaculture real estate sector represents a dynamic mar...

(This article belongs to the Special Issue Artificial Intelligence-Driven Emerging Applications)
  • Article
  • Open Access
2,038 Views
15 Pages

The Effect of Tactile Feedback on the Manipulation of a Remote Robotic Arm via a Haptic Glove

  • Christos Papakonstantinou,
  • Konstantinos Giannakos,
  • George Kokkonis and
  • Maria S. Papadopoulou

18 December 2025

This paper investigates the effect of tactile feedback on the power efficiency and timing of controlling a remote robotic arm using a custom-built haptic glove. The glove integrates flex sensors to monitor finger movements and vibration motors to pro...

(This article belongs to the Special Issue Advanced Research in Technology and Information Systems, 2nd Edition)
  • Article
  • Open Access
2,280 Views
19 Pages

Technique for Sub-mHz Low-Frequency Corner in Capacitively Coupled Instrumentation Amplifiers

  • Miguel Barrales-Romero,
  • José Luis Valtierra,
  • Esteban Tlelo-Cuautle and
  • Alejandro Díaz-Sánchez

18 December 2025

This work introduces a tunable technique to push the low-frequency corner (fL) of capacitively coupled instrumentation amplifiers (CCIAs) to the sub-mHz range for emerging biosensing applications. The proposed approach combines Complementary Transimp...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
2 Citations
2,561 Views
18 Pages

Automatic Metadata Extraction Leveraging Large Language Models in Digital Humanities

  • Adriana Morejón,
  • Borja Navarro-Colorado,
  • Carmen García-Barceló,
  • Alberto Berenguer,
  • David Tomás and
  • Jose-Norberto Mazón

18 December 2025

DCAT-based data ecosystems, such as open data portals and data spaces, have shown their potential to foster data economy by supporting the FAIR (Findability, Accessibility, Interoperability, Reusability) principles. Nevertheless, there are domains wh...

(This article belongs to the Special Issue Artificial Intelligence and Pattern Recognition for Intelligent Systems)
  • Article
  • Open Access
3,730 Views
21 Pages

17 December 2025

In this article, we present a tool for matching resumes to job posts and vice versa (job post to resumes). With minor modifications, it may also be adapted to other domains where text matching is necessary. This tool may help organizations save time...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
907 Views
27 Pages

17 December 2025

Existing methods for identifying Tactics, Techniques, and Procedures (TTPs) from complex cyber-attack descriptions face three core challenges: (1) severe semantic asymmetry between unstructured attack narratives and standardized TTP definitions; (2)...

  • Article
  • Open Access
1,266 Views
17 Pages

17 December 2025

Neuromorphic computing has emerged as a promising paradigm for edge AI systems owing to its event-driven operation and high energy efficiency. However, conventional spiking neural network (SNN) architectures often suffer from redundant computation an...

  • Article
  • Open Access
1,315 Views
12 Pages

A Design of High-Precision and Low-Noise High-Current Power Amplifier

  • Meng Li,
  • Zishu He,
  • Yu Cao,
  • Binghui He,
  • Bin Liu and
  • Jian Ren

17 December 2025

Addressing the limitations of existing power amplifiers, particularly in terms of accuracy and noise performance, a high-voltage and high-current power amplifier has been developed. The input stage utilizes a rail-to-rail circuit structure, allowing...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
3 Citations
1,384 Views
18 Pages

17 December 2025

Industrial predictive maintenance at the edge faces persistent challenges such as extreme class imbalance, limited labeled failure data, and the need for efficient yet scalable AI models. This paper proposes a transfer learning-based edge AI framewor...

(This article belongs to the Special Issue Exploring Edge AI: Architectures, Algorithms, and the Role of Edge–Cloud Cooperation for Scalable AI Systems)
  • Article
  • Open Access
3 Citations
1,895 Views
27 Pages

17 December 2025

In this paper, we present a conceptual design framework for developing immersive learning experiences at scale with generative AI and extended reality (XR) for primary and secondary education. Based on the synthesis of current literature, our framewo...

(This article belongs to the Special Issue Artificial Intelligence for Extended Reality (AI4XR): Advancing Immersive Technologies)
  • Article
  • Open Access
1 Citations
1,814 Views
36 Pages

17 December 2025

Robots and artificial intelligence have revolutionized the healthcare sector. Transporting patients within hospitals is critical; however, reducing errors and inefficiencies caused by human intervention and increasing task efficiency are necessary. T...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
1 Citations
1,334 Views
14 Pages

17 December 2025

This work introduces a low-cost, wearable assistive mouse designed to support digital interaction for individuals with motor impairments. The system combines inertial sensing for head-movement tracking and a pressure-based interface for simulating mo...

(This article belongs to the Special Issue Assistive Technology: Advances, Applications and Challenges)
  • Article
  • Open Access
1,094 Views
15 Pages

Construction Method of Knowledge Graph of Chain Disaster in Alpine Gorge Area, China

  • Haixing Shang,
  • Lanling Jia,
  • Jiahuan Xu,
  • Jiangbo Xi and
  • Chaofeng Ren

17 December 2025

In high-mountain canyon areas, complex geological environments lead to frequent cascading disasters with unclear triggering mechanisms, posing severe threats to human life and property. Existing knowledge graph research in geology predominantly focus...

  • Review
  • Open Access
6 Citations
6,947 Views
29 Pages

17 December 2025

This systematic literature review uses the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology to assess progress in blockchain-based Federated learning (FL) and Machine Learning (ML) for detecting financial fraud...

(This article belongs to the Special Issue Machine Learning: Applications for Cybersecurity)
  • Article
  • Open Access
825 Views
19 Pages

Safety-Constrained Energy-Efficient Control for High-Speed Trains Considering Wheel–Rail Interaction

  • Jia Liu,
  • Yuemiao Wang,
  • Rang Xu,
  • Yirong Liu,
  • Yaoming Huang and
  • Shaofeng Lu

17 December 2025

During train operation, the adhesion characteristics between the wheels and rails, which are influenced by driving environments and operating conditions, result in a traction force lower than the motor’s nominal output. Traditional control stra...

(This article belongs to the Section Electrical and Autonomous Vehicles)
  • Article
  • Open Access
4 Citations
1,598 Views
23 Pages

17 December 2025

Vehicle trajectory prediction is a pivotal technology in intelligent transportation systems. Existing methods encounter challenges in effectively modeling lane topology and dynamic interaction relationships in complex traffic scenarios, limiting pred...

(This article belongs to the Special Issue Autonomous Vehicles: Sensing, Mapping, and Positioning)
  • Article
  • Open Access
3 Citations
2,515 Views
19 Pages

17 December 2025

The rapid expansion and interdisciplinary nature of Physical Internet (PI) research have resulted in fragmented knowledge, limiting the ability of stakeholders to identify emerging trends, actionable insights and genuine research gaps. This study int...

(This article belongs to the Special Issue Feature Papers in Artificial Intelligence)
  • Article
  • Open Access
1,176 Views
20 Pages

17 December 2025

In this article, the authors present an in-depth analysis of a PTAT sensor and its role as one of the analogue blocks in a test ASIC. The authors propose some modifications to the PTAT sensor to reduce output signal non-linearities observed following...

(This article belongs to the Special Issue Mixed Design of Integrated Circuits and Systems)
  • Article
  • Open Access
851 Views
9 Pages

Study on Total Ionizing Dose Effect of FinFETs in Low-Temperature Environments

  • Qi Zhang,
  • Jiaming Zhou,
  • Le Gao,
  • Yiping Xiao,
  • Chaoming Liu and
  • Mingxue Huo

17 December 2025

This paper focuses on FinFET transistors. The degradation characteristics of FinFET devices after total ionizing dose (TID) radiation in low-temperature environments were investigated by means of a combination of experiments and TCAD simulations. By...

(This article belongs to the Topic Advances in Microelectronics and Semiconductor Engineering)
  • Article
  • Open Access
1 Citations
760 Views
16 Pages

17 December 2025

In open wireless communication channels, the combined effects of random pulse jamming and multipath-induced time-varying fading significantly degrade the reliability and efficiency of information transmission. Particularly in highly dynamic scenarios...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
863 Views
13 Pages

A Design of 1.2–3.6 GHz Power Amplifier Based on Filters of Negative Feedback Network

  • Zhenghao Yang,
  • Chucai Cai,
  • Zhengxian Meng,
  • Zhiyong Ding,
  • Quanbin Fu,
  • Xiaogang Wang and
  • Zhiqun Cheng

17 December 2025

This work proposes a broadband, high-efficiency extended continuous class-F (ECCF) power amplifier (PA) with a negative-feedback network structure. Compared with the traditional direct cascade connection of a PA and a filter, the design introduces a...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
1 Citations
1,498 Views
14 Pages

Research on the Vibration Characteristics of the Core of Power Transformers Considering the Effect of Transformer Oil

  • Zhuoyan Zhong,
  • Yan Li,
  • Zhengyang Tang,
  • Zhanyang Yu,
  • Chengxiang Liu,
  • Guang Li,
  • Shun Yu and
  • Yexing Wang

16 December 2025

Taking a large single-phase generator transformer product as the research object, this paper applied the finite element simulation method to analyze the vibration characteristics of its core. Firstly, through the analysis of vibration theory, the vib...

  • Article
  • Open Access
4 Citations
1,217 Views
26 Pages

16 December 2025

Emergency scenarios in the Internet of Vehicles (IoV) face significant challenges due to the stringent requirements for ultra-reliable and low-latency communication under high-mobility conditions. This paper proposes a cooperative transmission framew...

(This article belongs to the Topic Advances in Sixth Generation and Beyond (6G&B))
  • Article
  • Open Access
617 Views
32 Pages

16 December 2025

Ensuring worker safety compliance and secure cargo transportation in complex port environments is critical for modern logistics hubs. However, conventional supervision methods, including manual inspection and passive video monitoring, suffer from lim...

  • Article
  • Open Access
1 Citations
776 Views
17 Pages

Flavouring Agent with High-Frequency Heating of Compositions Based on Natural Raw Materials

  • Eldar Kopishev,
  • Kaisarali Kadyrzhan,
  • Pavel Grigoriev,
  • Gaini Seitenova,
  • Elvira Donbaeva and
  • Ibragim Suleimenov

16 December 2025

A new type of household/therapeutic air freshener is proposed, in which beneficial components are released from compositions containing plant raw materials through induction heating under an alternating-frequency electromagnetic field. The compositio...

  • Article
  • Open Access
1 Citations
941 Views
22 Pages

16 December 2025

The Border Gateway Protocol (BGP) is the core protocol for inter-domain routing on the Internet. However, due to its lack of built-in security authentication mechanisms, BGP is highly vulnerable to misconfigurations or malicious route announcements,...

(This article belongs to the Section Networks)
  • Article
  • Open Access
1,320 Views
23 Pages

Energy-Efficient Train Control Based on Energy Consumption Estimation Model and Deep Reinforcement Learning

  • Jia Liu,
  • Yuemiao Wang,
  • Yirong Liu,
  • Xiaoyu Li,
  • Fuwang Chen and
  • Shaofeng Lu

16 December 2025

Energy-efficient Train Control (EETC) strategy needs to meet safety, punctuality, and energy-saving requirements during train operation, and puts forward higher requirements for online use and adaptive ability. In order to meet the above requirements...

(This article belongs to the Special Issue Advances in Intelligent Computing and Systems Design)
  • Article
  • Open Access
560 Views
20 Pages

Investigation of Dynamic Testing Methods for Composite Thermoelectric Devices Under Multi-Condition Loading

  • Gao Wang,
  • Zhiling Li,
  • Zhixian Li,
  • Haijian Liang,
  • Liming Qin,
  • Yang Liu,
  • Wei Zhang and
  • Xiaodong Huang

16 December 2025

To improve dynamic thermal measurement accuracy on aero-engine hot-section components, integrated heat flux/temperature thin-film sensors (TFHFs) were fabricated using micro-nano technology. This study simulated and compared the time constant calibra...

  • Article
  • Open Access
1 Citations
619 Views
23 Pages

A Novel Decomposition–Integration-Based Transformer Model for Multi-Scale Electricity Demand Prediction

  • Xiang Yu,
  • Dong Wang,
  • Manlin Shen,
  • Yong Deng,
  • Haoyue Liu,
  • Qing Liu,
  • Luyang Hou and
  • Qiangbing Wang

16 December 2025

The accurate forecasting of electricity sales volumes constitutes a critical task for power system planning and operational management. Nevertheless, subject to meteorological perturbations, holiday effects, exogenous economic conditions, and endogen...

  • Article
  • Open Access
2 Citations
885 Views
23 Pages

16 December 2025

Deep learning (DL), a hierarchical feature extraction method, has garnered increasing attention in the remote sensing community. Recently, self-supervised learning (SSL) methods in DL have gained wide recognition due to their ability to mitigate the...

(This article belongs to the Special Issue Machine Learning and Computational Intelligence in Remote Sensing)
  • Article
  • Open Access
3 Citations
737 Views
24 Pages

16 December 2025

For the deep flux-weakening speed regulation of interior permanent magnet synchronous motors (IPMSMs), the conventional formula-based tuning method is highly complex. To address this issue, an IPMSM deep flux-weakening control strategy based on an ad...

  • Article
  • Open Access
1 Citations
1,000 Views
16 Pages

16 December 2025

As encrypted traffic analysis becomes increasingly vital for network security, the conventional reliance on centralized classification faces growing challenges due to data privacy regulations and data silos across heterogeneous nodes. Federated learn...

(This article belongs to the Special Issue Data Privacy and Protection in IoT Systems)
  • Article
  • Open Access
794 Views
34 Pages

16 December 2025

Wireless sensor networks (WSNs), including Software-Defined Wireless Sensors, are particularly vulnerable to Denial-of-Service (DoS) attacks. Trust models are widely acknowledged as an effective strategy to mitigate the threat of successful DoS attac...

(This article belongs to the Special Issue Computer Networking Security and Privacy)
  • Article
  • Open Access
1,150 Views
12 Pages

Stop Recycling the Past and Start Building for the Future: An AR Board Game Promoting Recycling and Sustainability Education

  • Ilias Logothetis,
  • Ioannis Andrianakis,
  • Antonios Stamatakis,
  • Vasiliki Eirini Chatzea and
  • Nikolas Vidakis

16 December 2025

Recycling education is important for promoting pro-environmental sustainable behavior, yet traditional approaches often lack engagement and impact, particularly among younger audiences. This study presents a digital, turn-based card strategy game des...

(This article belongs to the Section Computer Science & Engineering)

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Electronics - ISSN 2079-9292