检索结果-内蒙古大学图书馆

Enhancement of Solar PV Panel Efficiency Using Double Integral Sliding Mode MPPT Control

Tsinghua Science and Technology 2024年第1期29卷 271-283页

作者： Immadisetty Rahul Raju Hariharan Department of Electrical and Electronics Engineering Saveetha School of EngineeringSaveetha Institute of Medical and Technical Sciences(SIMATS)Chennai 602105India

The extraction of maximum power from the solar panels,using the sliding mode control scheme,becomes popular for partial weather atmospheric conditions due to its effective dynamic duty cycle ***,the sliding mode control scheme was sophisticated with single integral and double integral sliding mode control scheme,which offer enhanced maximum power extraction and support enhanced solar panel efficiency in partial weather *** operation of the sliding mode control scheme depends on the selection of a sliding surface selection based on the atmospheric weather condition,which enables the effective sliding duty cycle ratio operation for the DC/DC boost *** duty cycle ratio of the sliding mode control resembles the usual dynamic behavior to achieve enhanced efficiency compared to the various maximum power point tracking(MPPT)*** major limitation of the sliding mode control scheme is to achieve the steady state voltage error of the solar panel in minimum settling time *** single integral sliding mode control scheme achieves the expected steady state voltage error limit but fails to achieve minimum settling time ***,the single integral sliding mode control is extended to a double integral sliding mode control scheme to achieve both steady state voltage error limits within the minimum settling time *** double integral sliding mode control scheme allows us to obtain the higher sliding surface duty cycle ratio which acts as the input signal to the boost *** activates the enhanced stable and reliable system operation,and nullifies the lacuna of maximum solar panel efficiency under partial weather ***,this paper aims to present the design and performance operation of the double integral sliding mode(DISM)MPPT control *** validate the performance analysis of the proposed DISM MPPT control scheme,the MATLAB/Simulink model is designed and ***,the performance analysis of the pr

关键词： maximum power point tracking(MPPT)schemes sliding mode controller(SMC) double integral sliding mode controller(DISMC) pulse width modulation(PWM) photovoltaic(PV)system

来源：评论

学校读者我要写书评

暂无评论

Power electronic converters in the unbalance compensation method for renewable energy-powered active distribution systems: AOA-RERNN approach

引用

Soft Computing 2024年第17-18期28卷 10583-10600页

作者： Banupriya, R. Nagarajan, R. Muthubalaji, S. Department of Electrical and Electronics Engineering P.G.P College of Engineering and Technology Tamil Nadu Namakkal India Department of Electrical and Electronics Engineering Gnanamani College of Technology Tamil Nadu Namakkal India Department of Electrical and Electronics Engineering CMR College of Engineering & ampTechnology Telangana Hyderabad India

Unbalanced loads and high neutral currents on low voltage networks which frequently use three-phase, four wire systems with no larger conductors must need to be addressed. To overcome the loads and currents in low-voltage networks, an hybrid method is proposed in this manuscript for improving the networks of low-voltage using three-phase four-wire systems. The AOA-RERNN technique is the integration of the Archimedean-Optimization-Algorithm (AOA) and Recalling-Enhanced-Recurrent-Neural-Network (RERNN) technique to mitigate the issues, like neutral voltage offset, and harmonics, and neutral-to-ground voltage raise. At the point-of-common-coupling (PCC), the integration of Archimedean-optimization-algorithm and Recalling-enhanced-recurrent-neural-network approach is used to overcome the above mentioned issues. This strategy involves optimizing converter parameters with AOA and addressing system imbalances with RERNN, including mid-high line current, phase disparities, and neutral line compensation. Also, implementing control-based compensation reduces neutral current without requiring large neutral conductors. The proposed model is done in MATLAB. By this, the proposed approach achieves an impressive efficiency of 97.54%. But, the existing methods, like Artificial Transgender Long corn Algorithm (ATLA), Combined Adaptive Grasshopper Optimization Algorithm and Artificial Neural Network (AGONN), And Proportional Integral (PI) attain the efficiency of 80.23%, 77.26%, and 82.13%, respectively. The outcome of the simulation indicates that the proposed technique provides better findings than the present methods. Finally, this study demonstrates the possibility of the proposed approach for increasing the efficiency and the performance of electronic power converters in renewable generation. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.

关键词： Recurrent neural networks

来源：评论

学校读者我要写书评

暂无评论

Enhancing Power Line Insulator Health Monitoring with a Hybrid Generative Adversarial Network and YOLO3 Solution

引用

Tsinghua Science and Technology 2024年第6期29卷 1796-1809页

作者： Ramakrishna Akella Sravan Kumar Gunturi Dipu Sarkar Department of Electronics and Communication Engineering Koneru Lakshmaiah Education FoundationHyderabad 500075India Department of Electrical and Electronics Engineering National Institute of Technology NagalandDimapur 797103India

In the critical field of electrical grid maintenance,ensuring the integrity of power line insulators is a primary *** study introduces an innovative approach for monitoring the condition of insulators using aerial surveillance via drone-mounted *** proposed method is a composite deep learning framework that integrates the“You Only Look Once”version 3(YOLO3)model with deep convolutional generative adversarial networks(DCGAN)and super-resolution generative adversarial networks(SRGAN).The YOLO3 model excels in rapidly and accurately detecting insulators,a vital step in assessing their *** effectiveness in distinguishing insulators against complex backgrounds enables prompt detection of defects,essential for proactive *** rapid detection is enhanced by DCGAN’s precise classification and SRGAN’s image quality improvement,addressing challenges posed by low-resolution drone *** framework’s performance was evaluated using metrics such as sensitivity,specificity,accuracy,localization accuracy,damage sensitivity,and false alarm *** show that the SRGAN+DCGAN+YOLO3 model significantly outperforms existing methods,with a sensitivity of 98%,specificity of 94%,an overall accuracy of 95.6%,localization accuracy of 90%,damage sensitivity of 92%,and a reduced false alarm rate of 8%.This advanced hybrid approach not only improves the detection and classification of insulator conditions but also contributes substantially to the maintenance and health of power line insulators,thus ensuring the reliability of the electrical power grid.

关键词： DCGAN generative adversarial networks insulators SRGAN YOLO

来源：评论

学校读者我要写书评

暂无评论

Selective Harmonics Elimination Technique for Artificial Bee Colony Implementation

引用

Computer Systems Science & engineering 2023年第6期45卷 2721-2740页

作者： T.DeepikaVinothini R.Karthigaivel J.BarsanaBanu Department of Electrical and Electronics Engineering Velammal College of Engineering and TechnologyMaduraiIndia Department of Electrical and Electronics Engineering PSNA College of Engineering and TechnologyDindigulIndia Department of Electrical and Electronics Engineering SBM College of Engineering and TechnologyDindigulIndia

In this research,an Artificial Bee Colony(ABC)algorithm based Selective Harmonics Elimination(SHE)technique is used as a pulse generator in a reduced switch fifteen level inverter that receives input from a PV *** width modulation based on Selective Harmonics Elimination is mostly used to suppress lower-order harmonics.A high gain DC-DC-SEPIC converter keeps the photovoltaic(PV)panel’s output voltage *** Grey Wolf Optimization(GWO)filter removes far more Photovoltaic panel energy from the sunlight *** eliminate voltage harmonics,this unique inverter architecture employs a multi-carrier duty cycle,a high-frequency modulation *** proposed ABC harmonics elimination approach is compared to SHE strategies based on Particle Swarm Optimization(PSO)and Flower Pollination Algorithm(FPA).The suggested system’s performance is simulated and measured using the MATLAB simulation *** proposed ABC approach has a THD level of 4.86%,which is better than the PSO and FPA methods.

关键词： Artificial bee colony photovoltaic flower pollination algorithm multi-carrier

来源：评论

学校读者我要写书评

暂无评论

Channel estimation and MIMO combining architecture in millimeter wave cellular system with few ADC bits

引用

Journal of engineering and Applied Science 2024年第1期71卷 40页

作者： Raji, Akeem Abimbola Orimolade, Joseph Folorunso Amusa, Kamoli Akinwale Adejumobi, Isaiah Adediji Department of Electrical and Electronics Engineering College of Engineering and Environmental Studies Olabisi Onabanjo University Ibogun Campus Ogun State Nigeria Department of Electrical and Electronics Engineering Caristas Institute of Higher Education Hong Kong Department of Electrical and Electronics Engineering Federal University of Agriculture Abeokuta Nigeria

Hybrid combiner and precoder architectures, radio frequency (RF) chain, analog phase shifters, digital-to-analog converter (DAC), and analog-to-digital converter (ADC) are components of a millimeter wave cellular system. Prior works in the area of millimeter wave cellular system design employ receiver with infinite bit and large amount of RF chain that scales linearly with the quantity of transmitting and receiving antennas. This mode of design no doubt increases power demand or requirement of a typical millimeter wave system. In this work, hybrid architecture with few RF chains and small number of ADC bits are proposed and are used as candidate for millimeter wave channel estimation and cellular communication. In that connection, least square (LS), orthogonal matching pursuit (OMP), compressed sampling matching pursuit (CoSAMP), and deep learning (DL) techniques are utilized for analytical investigation. Indeed, computational results reveal that, when ADC consisting of uniform mid- rise quantizer is employed, the performance of 4 and 6 bits at signal-to-noise ratio (SNR) values of − 10 dB and 20 dB is at par with infinite bit (unquantized case). As a validation, DL compares favorably well with adaptive compressed sensing (ACS) technique previously used in the literature for channel estimation, while OMP and CoSAMP show better performance than ACS. © The Author(s) 2024.

关键词： Millimeter waves

来源：评论

学校读者我要写书评

暂无评论

Intelligent integrated sensing and communication:a survey

引用

Science China(Information Sciences) 2025年第3期68卷 5-46页

作者： Jifa ZHANG Weidang LU Chengwen XING Nan ZHAO Naofal AL-DHAHIR George K.KARAGIANNIDIS Xiaoniu YANG School of Information and Communication Engineering Dalian University of Technology College of Information Engineering Zhejiang University of Technology School of Information and Electronics Beijing Institute of Technology Department of Electrical and Computer Engineering The University of Texas at Dallas Department of Electrical and Computer Engineering Aristotle University of Thessaloniki

Integrated sensing and communication (ISAC) is a promising technique to increase spectral efficiency and support various emerging applications by sharing the spectrum and hardware between these functionalities. However, the traditional ISAC schemes are highly dependent on the accurate mathematical model and suffer from the challenges of high complexity and poor performance in practical scenarios. Recently, artificial intelligence (AI) has emerged as a viable technique to address these issues due to its powerful learning capabilities, satisfactory generalization capability, fast inference speed, and high adaptability for dynamic environments, facilitating a system design shift from model-driven to data-driven. Intelligent ISAC, which integrates AI into ISAC, has been a hot topic that has attracted many researchers to investigate. In this paper, we provide a comprehensive overview of intelligent ISAC, including its motivation, typical applications, recent trends, and challenges. In particular, we first introduce the basic principle of ISAC, followed by its key techniques. Then, an overview of AI and a comparison between model-based and AI-based methods for ISAC are provided. Furthermore, the typical applications of AI in ISAC and the recent trends for AI-enabled ISAC are reviewed. Finally, the future research issues and challenges of intelligent ISAC are discussed.

关键词： artificial intelligence deep learning deep reinforcement learning federated learning generative artificial intelligence integrated sensing and communication machine learning transfer learning

来源：评论

学校读者我要写书评

暂无评论

Application of Modified Flow Direction Algorithm for Network Reconfiguration with Distributed Generator Installation

引用

Journal of engineering Science and Technology Review 2024年第2期17卷 77-96页

作者： Kumar, K. Kalyan Reddy, G. Nageswara Department of Electrical & Electronics Engineering YSR Engineering College of Yogi Vemana University India

This article used an improved version of the Flow Direction Algorithm (FDA) with acceleration coefficients named Modified Flow Direction Algorithm (MFDA) for simultaneous Optimal Network Reconfiguration (ONR) and Optimal Distribution Generation's (ODG) installation to reduce the Active Power Losses (APL), maximize the Voltage Profile (VP) and stability of the Distribution System (DS). FDA is motivated by the simulation of the direction of water flow into a drainage basin at a lower elevation area. The neighboring flow and its slope also affect the direction of the water flow;its slope was obtained using the D8 method. FDA has a low convergence rate, stuck with local optima. This article proposed acceleration coefficients to acquire the proper balance between exploration and exploitation, accelerate the global convergence rate, and avoid getting stuck with local optima. The efficiency of the MFDA is evaluated based on its performance on 16 standard benchmark functions and is also used to solve the simultaneous ONR and ODG installation. Two DSs consisting of 33 and 69 bus test systems are considered to solve the problem. There are three methodologies to reduce the APL and maximize the VP and stability: ONR, ODG, and simultaneous ONR and ODG installation. This article uses four case studies with different load levels to show the proposed method's reliability. The analysis shows a better way to minimize the power loss by solving simultaneous ONR and ODG installation rather than only optimizing reconfiguration or installation of DG. It has been discovered that the results achieved are superior to those produced using the ISCA, FWA, HSA, etc. So, the MFDA shown can be a potentially useful way to solve 16 standard benchmark functions and simultaneous ONR and ODG installation. © (2024) School of Science, DUTH. All rights reserved.

关键词： Flow of water

来源：评论

学校读者我要写书评

暂无评论

Impact of integrating type-1 distributed generation on distribution network using modified genetic algorithm and voltage stability index: a technical and cost–benefit analysis approach

引用

Journal of engineering and Applied Science 2024年第1期71卷 1-50页

作者： Olabode, Olakunle Elijah Akinyele, Daniel Oluwaseun Ajewole, Titus Oluwasuji Omogoye, Samuel Okeolu Raji, Akeem Abimbola Department of Electrical and Electronics Engineering Faculty of Engineering Olabisi Onabanjo University Ago-Iwoye Nigeria Department of Electrical and Electronic Engineering Faculty of Engineering Osun State University Osogbo Nigeria Department of Electrical and Electronics Engineering College of Engineering and Technology Lagos State University of Science and Technology Lagos Nigeria

The position of the distribution network and its peculiar topology calls for viable means of addressing the issue of severe power loss and voltage instability confronting its ability to truly wheel out the received energy from the transmission arm of the network to the end users. Based on this premise, the current work employed a Lévy flight genetic algorithm (LF-GA) for the placement of type-1 photovoltaic-based distributed generation (PV-DG) into a radial network. The IEEE 33 and Government Residential Area (GRA) 11 kV and 34-bus feeder in Nigeria were used to investigate the effectiveness of the proposed approach. The backward-forward sweep formed the backbone of the load flow, while the voltage stability index was used to select the suitable buses where type-1 DG was integrated for optimal performance. The criteria considered for performance evaluation were the cost of energy loss, payback time, active power loss, and network voltage profile improvement without violating the essential network constraints. The paper proposed a relevant policy framework on DG integration, which filled knowledge gap in the previous studies. A multi-objective factor-based LF-GA subjected to appropriate constraints was used to optimize both the sizing and the locations of type-1 DG with the arrangements implemented in a MATLAB environment. The results obtained when compared with the existing contributions in the literature showed a credible improvement in line-loss reduction, voltage profile, and the system voltage stability index, including reduced cost of energy loss with minimal payback time on the investment of compensating devices. © The Author(s) 2024.

关键词： Genetic algorithms

来源：评论

学校读者我要写书评

暂无评论

Knowledge Extraction on Energy Consumption in an Educational Institution Using Smart Energy Meter Data Analytics

引用

Journal of The Institution of Engineers (India): Series B 2024年第2期105卷 417-431页

作者： Vishnu Dharssini, A.C. Charles Raja, S. Nelson Jayakumar, D. Department of Electrical and Electronics Engineering Thiagarajar College of Engineering Tamil Nadu Madurai India

The epitome need of tracing energy demand patterns for higher educational institutions (HEI) is to infer the sustainable functioning of an institute and to make consumers aware of the consumption range for incorporating appropriate energy strategies. Smart energy meters play a crucial role in enhancing building energy performance promisingly. The proposed work focuses on (1) grabbing the exact demand pattern by retrieving and processing continuous logs on energy consumption from smart meters and (2) interpreting data by k-means clustering based on underlying similarities. A generic method of consumption pattern extraction by temporal analysis was adopted in Thiagarajar College of engineering (TCE), Madurai, for real-time imputation and analysis. The main aspect behind the proposed approach is to avoid penalty on exceeding day-wise maximum average power demand reach. With analysis, the role of the smart meter and the need for data pre-processing are emphasized. Overall energy consumption range and time duration are visualized using various kinds of plots and following that knee point of cluster behind maximum demand reach is found. The work further paves way for active participation of customers on demand-side management on accounting energy tariff. © The Institution of Engineers (India) 2023.

关键词： Smart meters

来源：评论

学校读者我要写书评

暂无评论

A Compact Frog-Shaped Self-Diplexed MIMO Antenna with SD-HMSIW Technique for WLAN Applications

引用

IEEE Transactions on Antennas and Propagation 2025年第6期73卷 4146-4151页

作者： Pandey, Amit Kr. Gangwar, Ravi Kumar Chaudhary, Raghvendra Kumar Department of Electronics Engineering Dhanbad826004 India Indian Institute of Technology Department of Electrical Engineering Kanpur India

This article presents a compact, low-profile, dual-band shielded half-mode substrate integrated waveguide (SD-HMSIW) based self-diplexed multiple-input multiple-output (MIMO) antenna (SDMA) designed for wireless local area networks (WLAN) applications. The MIMO configuration comprises two orthogonally positioned, identical self-diplexing antenna (SDA) elements, forming a slot configuration resembling the anatomy of a frog. Each SDA element features two uniquely shaped modified slots on the top conducting surface of the SD-HMSIW cavity. These SDAs are driven by separate 50 Ω microstrip feed lines, facilitating radiation at 5.2 GHz and 5.8 GHz with good isolation between the ports. The proposed SDA design method offers exceptional versatility, enabling independent operation at two distinct frequency bands. The overall MIMO configuration of the SDA element enables a compact antenna size of 0.40λg2, with isolation greater than 21 dB between ports and gains of 5.26 and 4.94 dBi at ports resonating at two identical frequencies. The outcomes of MIMO antenna features involving envelope correlation coefficient (ECC), effective diversity gain (EDG), and multiplexing efficiency (MUX) have been evaluated and found to be satisfactory for the proposed SD-HMSIW- based SDMA. © 1963-2012 IEEE.

关键词： Wireless local area networks (WLAN)

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：