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检索条件"机构=Department of Control and Electrical Engineering Electrical and Computer Engineering Faculty"

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Unmanned Aerial Vehicles for Inspection of Power Lines

Unmanned Aerial Vehicles for Inspection of Power Lines

引用

International Russian Smart Industry Conference (SmartIndustryCon)

作者： I. I. Naumov R. R. Ibadov S. P. Oboimova Faculty of Automation Mechatronics and Control Don State Technical University Rostov-on-Don Russia Department of Electrical Engineering and Electronics Don State Technical University Rostov-on-Don Russia

ISBN: (数字)9798331511241

ISBN: (纸本)9798331511258

Problem Statement. New unmanned aerial vehicle (UAV) technology has become more accessible and practical for transmission line inspection. In this paper, we propose a multi-platform UAV system and a multi-model communication system designed for high-efficiency transmission line inspection tasks. Different UAVs perform both long-range and short-range surveillance functions, and provide communication relay. High-quality images and videos are transmitted in real time to the local control station for UAV navigation and to the remote office for analysis. Practice shows that joint inspection using multiple UAVs can significantly outperform traditional inspection methods. Objective. To propose a new method for inspecting and checking the condition of power lines using several types of UAVs using certain signal transmission and relay methods. Results. A new concept of power line inspection using joint actions of unmanned aerial vehicles (UAVs) is proposed. The functional capabilities of the UAVs and the communication system are considered and discussed. Practical experience shows that due to joint work, the time spent on inspection can be significantly reduced and the efficiency can be significantly increased. The feasibility and advantages of inspections using UAVs are confirmed. Future work can focus on optimizing the configuration of UAVs as part of a group. Practical significance. The presented method allows increasing the efficiency of inspection and testing of power transmission lines in comparison with existing methods.

关键词： Power transmission lines Propellers Surveillance Refining Inspection Autonomous aerial vehicles Real-time systems Relays Videos Testing

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Intelligent PI controller for Frequency Enhancement of a Diesel-PV-Battery-Based islanded AC microgrid

Intelligent PI Controller for Frequency Enhancement of a Die...

引用

International Middle-East Power System Conference, MEPCON

作者： M. S. Elborlsy R. M. Mostafa Hossam E. Keshta Mohamed. A. Ghalib Process Control Technology Dept. Faculty of Technology and Education Beni-Suef University Beni-Suef Egypt Department of Electrical Engineering Faculty of Engineering ShoubraBenha University Benha Egypt

Smart and flexible control is needed in contemporary electrical *** maintain a balance between power generation and usage, especially during major disruptions. Microgrids primarily rely on naturally fluctuating renewable energy sources (RES) for electricity generation. Power system fluctuations make traditional controllers inadequate for optimal performance across Diverse operational scenarios. To enhance frequency performance in an isolated AC microgrid, this paper focuses on a fuzzy PI (FPI) controller that can adjust control measures for fluctuating frequency in the face of uncertainties such as abrupt load changes and variation in solar irradiance. A comparative study was conducted to demonstrate the superior performance of the FPI in regulating frequency in an isolated AC microgrid system.

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Performance Comparison of Various Dual-Band AMC Structures Using Textile Materials

Performance Comparison of Various Dual-Band AMC Structures U...

引用

13th International electrical engineering Congress, iEECON 2025

作者： Hengroemyat, Yotrawee Thaiwirot, Wanwisa Akkaraekthalin, Prayoot Chudpooti, Nonchanutt King Mongkut's University of Technology North Bangkok Faculty of Engineering Department of Electrical and Computer Engineering Bangkok Thailand King Mongkut's University of Technology North Bangkok Faculty of Applied Science Department of Industrial Physics and Medical Instrumentation Bangkok Thailand

ISBN: (纸本)9798331543952

This paper presents the performance comparison of various dual-band AMC structures using textile materials. The textile AMC structure includes of the inner patch and outer loop to achieve dual-band operation. The felt is used as substrate of AMC unit cell while the copper-nickel plated polyester fabric is used as conductive parts. The various geometries of AMC unit cell based on square, circle, hexagon, octagon shapes are designed to operate at 2.4/5.5 GHz for WBAN and Wi-Fi applications. Moreover, the performance of AMC unit cell structures is compared in term of size and bandwidth. It is found from simulation results that the inner square patch and outer square loop can provide compact size and wider bandwidth. The hexagon shape can achieve compact size when it is arranged in form of array. © 2025 IEEE.

关键词： Linen

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Performance Comparison of Various Dual-Band AMC Structures Using Textile Materials

Performance Comparison of Various Dual-Band AMC Structures U...

引用

International electrical engineering Congress (iEECON)

作者： Yotrawee Hengroemyat Wanwisa Thaiwirot Prayoot Akkaraekthalin Nonchanutt Chudpooti Department of Electrical and Computer Engineering Faculty of Engineering King Mongkut’s University of Technology North Bangkok Bangkok Thailand Department of Industrial Physics and Medical Instrumentation Faculty of Applied Science King Mongkut’s University of Technology North Bangkok Bangkok Thailand

ISBN: (数字)9798331543952

ISBN: (纸本)9798331543969

关键词： Geometry Wireless communication Shape Simulation Dual band Bandwidth Reflector antennas Substrates Wireless fidelity Textiles

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Attack Stealthiness and Detection of Multiagent Systems: A Zero-Sum Formulation

Attack Stealthiness and Detection of Multiagent Systems: A Z...

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IEEE Conference on Decision and control

作者： Shiyong Zhu Miaomiao Wang Jie Chen Anders Rantzer Department of Electrical Engineering City University of Hong Kong Hong Kong China Department of Electronic and Computer Engineering Hong Kong University of Science and Technology Hong Kong China Department of Automatic Control Lund University Lund Sweden

ISBN: (数字)9798350316339

ISBN: (纸本)9798350316346

Cybersecurity has in recent years emerged as a paramount concern in the design and operation of industrial systems and civil infrastructures, due mainly to their susceptibility to malicious cyber attacks which take advantage of the vulnerability of communication networks and IT devices. In this paper, we investigate such an attack and counter attack scenario by considering multiagent systems, a somewhat basic prototype of cyberphysical systems. We study false data injection attacks launched on the agent sensors, and possible defense of such attacks at the agent actuators. The primary issue under consideration is the stealthiness of the attacks, while steering a multiagent system away from its consensual state. We propose a metric to quantify the stealthiness, and formulate the stealthiness problem as one of zero-sum games. We solve the problem explicitly, which gives rise to a fundamental bound on the stealthiness achievable, and as well optimal attack and defense strategies that achieve the optimal stealthiness, both of which can be obtained in terms of certain augmented controllability Gramians associated with the agents. The stealthiness bound is seen to depend on agent dynamics and network characteristics including a measure of connectivity.

关键词： Actuators Protocols Prototypes Games Sensor phenomena and characterization controllability Sensor systems Game theory Observability Multi-agent systems

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Unmanned Aerial Vehicles for Inspection of Power Lines

Unmanned Aerial Vehicles for Inspection of Power Lines

引用

2025 International Russian Smart Industry Conference, SmartIndustryCon 2025

作者： Naumov, I.I. Ibadov, R.R. Oboimova, S.P. Don State Technical University Faculty of Automation Mechatronics and Control Rostov-on-Don Russia Don State Technical University Department of Electrical Engineering and Electronics Rostov-on-Don Russia

ISBN: (纸本)9798331511241

关键词： Drones

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Automotive Seat Surface Defect Detection Method Based on Improved YOLOv5 Algorithm

Automotive Seat Surface Defect Detection Method Based on Imp...

引用

Youth Academic Annual Conference of Chinese Association of Automation (YAC)

作者： Juchao Zhang Changlin Yu Gang Wang Chunling Xu Zaixiang Pang Zhongbo Sun Department of Control Science and Engineering Changchun University of Technology Changchun China Department of Mechanical and Electrical Engineering Changchun University of Technology Changchun China Department of Public and Basic Computer Education Changchun Humanities and Sciences College Changchun China

ISBN: (数字)9798350379228

ISBN: (纸本)9798350390780

A method for detecting surface defects of car seats based on improved YOLOv5 is proposed to address the current issues of low efficiency, high missed detection rate, and difficult cost control in manual inspection of surface defects of car seats. In addition, in order to solve the imbalance problem of various defect images collected by industrial cameras, the methods of translation, cropping and adding noise are used to pre-enhance the images. Train the manually annotated dataset using an improved Yolov5 model, which uses K-means++ clustering anchor boxes to enhance adaptability to the dataset in this paper. At the same time, add a BiFormer module to the network to reduce the loss of small target defects and enhance the network’s feature fusion and extraction capabilities. The experimental results show that the mAP of the whole is increased from 67.1% to 78.2%, and the model can meet the requirements of the identification of car seat surface defects.

关键词： YOLO Deep learning Training Machine vision Noise Inspection Feature extraction

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Neural Network Approach to Dissolved Gas Analysis for Fault Analysis in Power Transformers

Neural Network Approach to Dissolved Gas Analysis for Fault ...

引用

2022 International electrical engineering Congress, iEECON 2022

作者： Poonnoy, Nitchamon Suwanasri, Cattareeya Suwanasri, Thanapong King Mongkut's University of Technology North Bangkok Faculty of Technical Education Department of Teacher Training in Electrical Engineering 1518 Pracharat 1 Rd. Wongsawang Bangsue Bangkok Thailand King Mongkut's University of Technology North Bangkok Electrical and Computer Engineering Faculty of Engineering 1518 Pracharat 1 Rd. Wongsawang Bangsue Bangkok Thailand King Mongkut's University of Technology North Bangkok Electrical Power and Energy Engineering 1518 Pracharat 1 Rd. Wongsawang Bangsue Bangkok Thailand

ISBN: (纸本)9781665402064

In this paper, an application on artificial neural network (ANN) named Levenberg Marquardt backpropagation training algorithm as multi-layer reverse diffusion ANN approaching to Dissolved Gas Analysis (DGA) was implemented to utilize a computational and automatic internal fault prediction of power transformer oil insulation. The DGA method applying Key Gas method and Duval Triangle method is used to identify such type of faults. The RadBas, Tan-Sigmoid, Log-sigmoid, Purelin linear transfer functions were chosen to find mean absolute error and least learning time during the analysis. The DGA results of 244 power transformers in distribution system were used as training data while additional DGA results of 100 power transformers were tested and compared to manual analysis. The results show that there is 6.4% absolute error from manual fault prediction. The method and tool are appropriate and less time consuming for condition-based maintenance of power transformer. © 2022 IEEE.

关键词： Power transformers

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Conversion of KPIs depending on the profitability of production

Conversion of KPIs depending on the profitability of product...

引用

2021 Selected Issues of electrical engineering and Electronics, WZEE 2021

作者： Sykora, Tomas Benesl, Tomas Mihalik, Ondrej Brno University of Technology Faculty of Electrical Engineering and Communication Department of Control and Instrumentation Brno616 00 Czech Republic

ISBN: (纸本)9781665421645

This article deals with the proposal of a new type of conversion of KPIs. This new type of calculation gives more weight and emphasis to the resulting profitability of production. This is fundamentally different from the basic calculation of KPIs, which work only with current data. The final form of the calculation is focused on the optimization of the produced profit. © 2021 IEEE.

关键词： Profitability

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High gain dual polarized antenna using a narrow pulse model in minkowski fractal patch 18

High gain dual polarized antenna using a narrow pulse model ...

引用

18th International Conference on electrical engineering/Electronics, computer, Telecommunications and Information Technology, ECTI-CON 2021

作者： Wongsin, Norakamon Suangun, Thanakarn Mahatthanajatuphat, Chatree Akkaraekthalin, Prayoot Torrungrueng, Danai Rakluea, Paitoon Rajamangala University of Technology Thanyaburi Faculty of Engineering Department of Electronics and Telecommunications Pathum Thani Thailand University of Phayao Faculty of Engineering Department of Electrical Engineering Phayao Thailand King Mongkut's University of Technology North Bangkok Department of Electrical and Computer Engineering Bangkok Thailand King Mongkut's University of Technology North Bangkok Department of Teacher Training in Electrical Engineering Bangkok Thailand

ISBN: (纸本)9780738111278

High Gain Dual Polarized Antenna using narrow pulse model in Minkowski fractal Patch (MFP) is presented. This design consists of dual fed by two transmission line feed connectors placed onto the lower substrate as the feeding system, square patch antenna with a dimension of 60 mm × 60 mm, and dual-polarized MFP putting on the upper substrate. The simulated result shows that the antenna has a resonant frequency at 3.48 GHz, by the distance between MFP and square patch antenna is 10 mm. However, the radiation pattern between vertical and horizontal feed for standalone square patch antenna provides a similar gain of 2 dBi. The 2D Radiation patterns on the X-Z plane at phi-angle 45 and -45 degrees are dual-polarization. Moreover, the proposed antenna with MFS improves the gain of 5.6 dBi at 0 degrees on the X-Z plane at phi-angle 45 degrees and -45 degrees with HPBW of 71.7 degrees and 80.4 degrees, respectively. © 2021 IEEE.

关键词： Fractals

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