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2022 International Conference on Intelligent Controller and Computing for Smart Power (ICICCSP)最新文献

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Field Investigation of Solar Photovoltaic Modules Digression Against Manufacture's Claim and Application of Machine Learning Model in Life Prediction: A Case Study 太阳能光伏组件的现场调查:对制造商索赔的偏离及机器学习模型在寿命预测中的应用:一个案例研究
K. Sameer, K. Haritha, N. Ramchander, B. Reddy, K. Rayudu, K. R. Reddy
Renewable energy is being produced through various resources, mostly natural and abundantly available, such as wind, solar, and geothermal. Solar PV technology is a novice alternate renewable energy system which is becoming popular during 21st century. In Solar Photovoltaic (SPV) power systems, the major component are polycrystalline PV modules which have a shelf-life of around 25 years, as claimed by most of the PV module producers. Most of the installations started 10 years ago and there is a need to investigate the ageing upshot or digression of PV modules. To this end, a seven-year-old large-scale PV plant is considered for case study. Field experiments are conducted to know the power output of these modules and the manufactures claim of 25 years life with indicated digression is validated with the field values. Also, machine learning technique is used to derive an empirical relation for the power output of age old PV modules. Finally, conclusions are drawn with respect to ageing upshot and life predictions of PV Modules.
可再生能源是通过各种资源生产的,主要是天然的和丰富的资源,如风能、太阳能和地热能。太阳能光伏技术是21世纪兴起的一种新兴的可替代能源系统。在太阳能光伏(SPV)电力系统中,主要组件是多晶光伏组件,正如大多数光伏组件生产商所声称的那样,其保质期约为25年。大多数安装是在10年前开始的,有必要调查光伏组件的老化结果或偏离。为此,考虑了一个有7年历史的大型光伏电站作为案例研究。进行了现场实验,以了解这些模块的输出功率,并通过现场值验证了制造商声称的25年使用寿命。此外,利用机器学习技术推导出老旧光伏组件输出功率的经验关系。最后,对光伏组件的老化结果和寿命预测进行了总结。
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引用次数: 0
Prediction of Electric Energy Consumption for Demand Response using Deep Learning 基于深度学习的需求响应电能消耗预测
Radharani Panigrahi, N. Patne, Sumanth Pemmada, Ashwini D. Manchalwar
This paper emphasizes the capability of Deep Learning (DL) models to conquer the Demand Response (DR) inherent when predicting the Electric Energy Consumption (EEC) of an office building. The prediction of EEC plays a key role in DR programs in a smart grid environment. In this study, historical energy consumption and ambient temperature data of three different climatic days (summer, winter, and cloudy days) of an office building located in Portugal at 10 seconds intervals are taken. A DL technique-based Deep Neural Network model is proposed for the prediction of future EEC. In this paper predictability of EEC of the whole office building has been analyzed. This study describes an evince DL application for commercial energy consumption prediction at 10 seconds intervals and performed precursory success. Moreover, two conventional Machine Learning (ML) models i.e., Support Vector Regressor (SVR) and Random Forest (RF) are developed and analyzed. Furthermore, the proposed DL model is compared with SVR and RF in terms of performance evaluation parameters such as Mean Absolute Error (MAE), Mean Square Error (MSE), and Root Mean Square Error (RMSE). All the models are developed and executed on TensorFlow deep learning platform. The proposed model defeats SVR by 91.65%and RF by 87.38% on a summer day, similarly defeats SVR by 93.85% and RF by 91.68% on a winter day and defeats SVR by 95.63% and RF by 92.67% on a cloudy day in terms of MSE.
本文强调了深度学习(DL)模型在预测办公大楼的电能消耗(EEC)时克服需求响应(DR)固有的能力。在智能电网环境下,EEC预测在灾备方案中起着至关重要的作用。本研究以葡萄牙某办公楼为研究对象,每隔10秒采集其3个不同气候日(夏季、冬季和阴天)的历史能耗和环境温度数据。提出了一种基于深度学习技术的深度神经网络模型,用于预测未来的脑电图。本文对整个办公楼的EEC可预测性进行了分析。本研究描述了一种以10秒为间隔进行商业能耗预测的实证深度学习应用,并取得了初步成功。此外,本文还开发和分析了两种传统的机器学习模型,即支持向量回归(SVR)和随机森林(RF)。此外,将所提出的深度学习模型与SVR和RF在平均绝对误差(MAE)、均方误差(MSE)和均方根误差(RMSE)等性能评价参数方面进行了比较。所有模型都是在TensorFlow深度学习平台上开发和执行的。该模型在夏季以91.65%和87.38%的优势击败SVR和RF,在冬季以93.85%和91.68%的优势击败SVR和RF,在阴天以95.63%和92.67%的优势击败SVR和RF。
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引用次数: 1
Dynamic stability improvement of a micro grid system by optimized PSS controller 优化PSS控制器对微网系统动态稳定性的改善
Narayan Nahak, R. Singh, S. Parida, Samarjeet Satapathy, P. Nayak
This work proposes an optimal fractional power system stabilizer control action to improve dynamic stability of grid integrated micro grid system. A fractional PID controller-based PSS has been implemented here whose gains are optimized by sailfish algorithm. The solar and wind generations in the micro grid are varied in step and random manner creating disturbances which is variation in angular frequency of power system. By proposed sailfish algorithm tuned PSS action this variation in angular frequency is heavily damped that has been compared with PSO & DE algorithms. System Eigen analysis has been performed to validate proposed optimal control action. The system eigen distributions and results analysis predict that proposed action is more efficient and is simple to implement for a micro grid system.
为了提高并网微网系统的动态稳定性,本文提出了一种优化的分级电力系统稳定器控制动作。本文实现了一种基于分数阶PID控制器的PSS,其增益采用旗鱼算法进行优化。微电网中的太阳能和风力发电呈阶梯随机变化,产生扰动,即电力系统角频率的变化。与PSO和DE算法相比,所提出的旗鱼算法调整了PSS作用,极大地抑制了角频率的变化。系统特征分析验证了所提出的最优控制行为。系统特征分布和结果分析表明,所提出的措施对于微电网系统来说效率更高,实施简单。
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引用次数: 1
An Efficient Collision Avoidance Scheme for Healthcare Application 医疗保健应用的有效避碰方案
P. Dash, M. Panda
Wireless Sensor Network (WSN) has been widely recognized as one of the most important technology for low power wireless communication and also used in variety of applications like medical, military, industrial, agricultural and environmental monitoring. Here, our approach resolve the issues like collision in healthcare application. In healthcare applications of WSN, normally, the generated information's like emergency, cardiac attack, accident etc. which are coming from Patient Body Sensor (PBS) and processed by the sink as soon as possible. It is very much essential to avoid congestion and provide immediate solution without delay. As sensor nodes are battery operated so in all routing protocols designed for WSN, energy should be one targeted parameter. Hence, our proposal is designed not only collect the information centrally but also manage using active queue management (AQM) technique. This technique focuses on queue assisted congestion control type and avoids congestion in the routing phase using multipath and also manages the queue in each node when packet reaches by packet loss probability.
无线传感器网络(WSN)已被广泛认为是低功耗无线通信的重要技术之一,并广泛应用于医疗、军事、工业、农业和环境监测等领域。在这里,我们的方法解决了医疗保健应用程序中的碰撞等问题。在无线传感器网络的医疗保健应用中,通常产生的信息如紧急情况、心脏病发作、事故等,这些信息都是来自病人身体传感器(PBS),并在第一时间经过sink处理。避免拥堵,及时提供解决方案是非常重要的。由于传感器节点是电池供电的,所以在为WSN设计的所有路由协议中,能量都应该是一个目标参数。因此,我们的建议不仅集中收集信息,而且还使用活动队列管理(AQM)技术进行管理。该技术侧重于队列辅助拥塞控制类型,利用多路径避免路由阶段的拥塞,并在数据包到达时根据丢包概率对每个节点的队列进行管理。
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引用次数: 0
Performance Analysis of a DFIG Based Wind Turbine with BESS System for Voltage and Frequency Stability during Grid Fault 电网故障时基于DFIG的BESS风电机组电压频率稳定性分析
Ankur Adhikary, Niloy Goswami, Kaushik Barua, Ratul Dey, Arindam Barman, M. A. Shawon
The ease of Doubly-Fed Induction Generator (DFIG) based wind turbines is largely deployed due to their variable speed feature and hence influencing system dynamics. However, owing to grid faults, the output power fluctuation in the DFIG wind turbine system brings a major concern to power system stability. In this paper, the grid voltage and frequency stability of the wind power system investigates different cases such as DFIG and the approach of a Battery Energy Storage System (BESS). Designing of a wind turbine model including Rotor Side Controller (RSC) and Grid Side Controller (GSC) and connected to the grid. An equivalent BESS is introduced in the power system model and connected to the grid through a three-phase inverter. The BESS system is designed to stabilize the frequency at a constant value with controlled active power also; voltage is controlled by reactive power. To design the wind turbine only active power is considered in this specific work. Therefore, the system performance has improved after including BESS. The performance analysis is observed by simulation work through “PSCAD/EMTDC” professional software, which is the most realistic and well-organized software, especially for power system analysis.
基于双馈感应发电机(DFIG)的风力涡轮机的易用性很大程度上是由于其变速特性,从而影响系统动力学。然而,由于电网故障,DFIG风电机组系统的输出功率波动给电力系统的稳定带来了很大的担忧。本文研究了不同情况下风电系统的电压和频率稳定性,如DFIG和电池储能系统(BESS)的方法。设计了包含转子侧控制器(RSC)和电网侧控制器(GSC)并并网的风力机模型。在电力系统模型中引入等效BESS,并通过三相逆变器与电网连接。在有功功率可控的情况下,将BESS系统的频率稳定在一个恒定值;电压由无功功率控制。在本具体工作中只考虑了风力机有功功率的设计。因此,加入BESS后,系统性能得到了提高。性能分析通过“PSCAD/EMTDC”专业软件进行仿真观察,该软件是最真实、组织最完善的电力系统分析软件。
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引用次数: 1
Intelligent Control of a Two-phase Interleaved Boost Converter-interfaced Fuel Cell Electric Vehicle 两相交错升压转换器接口燃料电池汽车的智能控制
Ashish Laddha, Satyanarayana Neeli
This article discusses the smart implementation of two-phase interleaved boost converter (TP-IBC) for fuel cell-powered electric vehicle (FCEV). The varying nature of the fuel cell (FC) output voltage and the load cause the common DC bus voltage to deviate from its referenced value. Thus, this manuscript proposes the fuzzy logic-led PID control scheme for the regulation of the common DC bus voltage. Employing of the fuzzy logic adds a factor of intelligence to the PID controller. This factor enables gains of the PID controller to adjust themselves according to the changing operational conditions.
本文讨论了用于燃料电池电动汽车(FCEV)的两相交错升压转换器(TP-IBC)的智能实现。燃料电池(FC)输出电压和负载的变化性质导致普通直流母线电压偏离其参考值。因此,本文提出了模糊逻辑主导的PID控制方案,用于直流母线电压的调节。模糊逻辑的应用为PID控制器增加了一个智能化的因素。这个因素使PID控制器的增益能够根据变化的运行条件进行自我调整。
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引用次数: 0
Harmonic and TIF Analysis in Distribution System with Integration of PV and Wind Systems 光伏与风电并网配电系统谐波与TIF分析
Arnab Ari, Aashish Kumar Bohre
Renewable energy resources have an inherent drawback: they are intermittent. Due to this, individual renewable resources in standalone scenarios are not reliable and thus cannot be utilized for practical large-scale applications. A hybrid renewable energy system solves this issue by integrating multiple renewable, non-renewable and storage systems. Since multiple sources are used, distributed generation is possible in the case of HRES. This will not only help to satisfy the demand but also reduce losses and improve voltage profile besides reducing carbon footprint. This paper studies the effect of PV and WTG on the load flow and harmonics in a gird connected radial distribution system. Modeling of the system is discussed with four different cases for comparison. Harmonic analysis is performed to obtain the THD and TIF parameters to understand the voltage and current distortions and their effect on communication systems. It is found that the PV and Wind power generation system provides the best voltage profile. The bus voltage distortions are decreased and the branch currents are relatively distorted.
可再生能源有一个固有的缺点:它们是间歇性的。因此,独立场景下的单个可再生资源不可靠,因此无法用于实际的大规模应用。混合可再生能源系统通过集成多个可再生、不可再生和存储系统来解决这一问题。由于使用了多个源,因此在HRES的情况下可以进行分布式生成。这不仅有助于满足需求,而且还可以减少损耗和改善电压分布,同时减少碳足迹。本文研究了并网径向配电系统中PV和WTG对潮流和谐波的影响。通过四种不同的案例对系统的建模进行了讨论,以便进行比较。通过谐波分析得到THD和TIF参数,了解电压和电流畸变及其对通信系统的影响。研究发现,光伏和风力发电系统的电压分布最佳。母线电压畸变减小,支路电流相对畸变。
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引用次数: 0
A Review of Architecture and Control Strategies of Hybrid AC/DC Microgrid 交直流混合微电网结构与控制策略综述
Pragya, Ritula Thakur
This paper reviews architecture of hybrid AC/DC microgrid and several controlling strategies for hybrid AC/DC microgrid. Interconnected group of networks of loads, energy storage system and distributed energy sources defines a microgrid. To avoid multiple conversion that occurs in individual AC as well as DC grid in the microgrid system, hybrid microgrid is a solution for such issues. Balancing of power between both the microgrids is done with an Interlinking converter. It will balance power by transfer of power through one microgrid to another. This paper summarizes various controlling methods from the several aspects and existing issues in every method presented here.
本文综述了交直流混合微电网的结构和几种混合交直流微电网的控制策略。微电网是由负载、储能系统和分布式能源组成的互联网络。为了避免微电网系统中单个交直流电网的多次转换,混合微电网是解决这一问题的一种方法。两个微电网之间的功率平衡是通过互连转换器完成的。它将通过一个微电网转移到另一个微电网来平衡电力。本文从几个方面总结了各种控制方法以及每种方法存在的问题。
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引用次数: 1
Firefly Algorithm based STATCOM Controller for Enhancement of Power System Dynamic Stability 基于萤火虫算法的STATCOM控制器增强电力系统动态稳定性
Subir Datta, S. Deb, Robert Singh, Rahul Roy, Akibul Islam, S. Adhikari
Nowadays, oscillation due to low frequency is a very serious issue in power system. It affects steady state power transfer which hampers security and economic operation of the system. FACTs devices play a key role to mitigate the low frequency oscillations. Therefore, in this paper STATCOM and its associated controllers are considered in order to damp out oscillations produced due to low frequency in power system and Firefly Algorithm (FA) is also used to optimize the gain values of STATCOM controllers. An extensive simulation of the study system has been implemented using MATLAB/Simulink platform. System responses have been obtained with PSS and also with compensator comprising of both PSS and STATCOM. Time domain simulation studies are utilized to check effectiveness of the FA based proposed controllers. The simulation results obtained revealed that PSS with STATCOM has excellent capabilities in damping power system oscillations with low frequency.
目前,低频振荡是电力系统中一个非常严重的问题。它影响了系统的稳态输电,影响了系统的安全和经济运行。事实器件在减轻低频振荡方面起着关键作用。因此,本文考虑STATCOM及其相关控制器对电力系统低频产生的振荡进行阻尼,并采用萤火虫算法(Firefly Algorithm, FA)对STATCOM控制器的增益值进行优化。利用MATLAB/Simulink平台对学习系统进行了广泛的仿真。用PSS和由PSS和STATCOM组成的补偿器分别得到了系统的响应。利用时域仿真研究验证了所提控制器的有效性。仿真结果表明,带STATCOM的PSS对电力系统低频振荡具有良好的抑制能力。
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引用次数: 0
Detection of Ventricular Fibrillation by combining Signal Processing and Machine Learning approach 结合信号处理和机器学习方法检测心室颤动
Soumik Kundu, Subhankit Prusti, S. Patnaik
Ventricular Fibrillation is a potentially fatal cardiac disorder that occurs when electrical impulses in the ventricles are disrupted, causing the heart to quiver instead of pump. In order to preserve lives during this form of arrhythmia, a strong current impulse is passed. Electrocardiograms (ECGs) record the electrical activity of the human heart, and specialists with years of experience may interpret the ECG signal to determine the heart's condition. Since it is a life-threatening disease, its earlier detection and prevention can help survive a patient's life. The fundamental idea behind tackling this challenge was to create an algorithm that could identify trends from continuous ECG readings from various individuals and identify arrhythmias early on. An efficient data was built for classification utilizing a Random Forest classifier algorithm employing signal processing tools such as Empirical Mode Decomposition (EMD) and Discrete Fourier Transform (DFT) for feature extraction. The pre-processed data when fed into the proposed machine learning method results in an accuracy of 96.58% and two classes were classified correctly with equal confidence (Specificity = 94.26% and Sensitivity = 98.97%). Furthermore, the results are compared with various other machine learning classification algorithms like Logistic Regression, Decision Tree classifier, Extra tree classifier where the accuracy was 86.49%, 91.77%, 95.84% respectively. The results obtained after experimental validation of proposed Random Forest classifier algorithm against the other machine learning achieves highest accuracy with optimal specificity and sensitivity.
心室颤动是一种潜在致命的心脏疾病,当心室的电脉冲中断时,导致心脏颤动而不是泵血。在这种形式的心律失常期间,为了保存生命,需要通过一个强电流脉冲。心电图(ECGs)记录人类心脏的电活动,具有多年经验的专家可以通过解读心电图信号来确定心脏的状况。由于它是一种危及生命的疾病,早期发现和预防可以帮助患者生存。解决这一挑战背后的基本想法是创建一种算法,可以从不同个体的连续ECG读数中识别趋势,并在早期识别心律失常。利用随机森林分类器算法,利用经验模态分解(EMD)和离散傅立叶变换(DFT)等信号处理工具进行特征提取,建立了高效的数据分类。将预处理后的数据输入到所提出的机器学习方法中,准确率为96.58%,两个类别的分类准确率相等(特异性= 94.26%,灵敏度= 98.97%)。此外,将结果与Logistic回归、决策树分类器、Extra树分类器等机器学习分类算法进行比较,准确率分别为86.49%、91.77%、95.84%。本文提出的随机森林分类器算法与其他机器学习进行实验验证后得到的结果具有最高的准确率和最佳的特异性和灵敏度。
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引用次数: 0
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2022 International Conference on Intelligent Controller and Computing for Smart Power (ICICCSP)
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