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2012 International Conference on Emerging Trends in Electrical Engineering and Energy Management (ICETEEEM)最新文献

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Modelling and control strategy for isolated fuel cell system 隔离型燃料电池系统建模与控制策略
R. Sathyanarayanan, R. Raghavan, N. Kumarappan
This paper presents modeling and control strategy for isolated fuel cell system of low cost A DC-DC converter of Power conversion circuit incorporating a buck converter, with a single stage. To store the energy from the fuel cell to the battery, the power from the battery is connected conventional available UPS at home or industries. The operational principle of proposed topology will be explained and the eatery circuit will be simulated and there corresponding results shown the performance of fuel cell and buck converter system.
本文提出了一种低成本隔离型燃料电池系统的建模和控制策略。为了将燃料电池的能量储存到电池中,来自电池的电力连接到家庭或工业中常规可用的UPS。本文将解释所提出的拓扑结构的工作原理,并对电池电路进行仿真,结果显示了燃料电池和降压变换器系统的性能。
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引用次数: 0
Differential Evolution algorithm based Weighted Additive FGA approach for optimal power flow using muti-type FACTS devices 基于差分进化算法的加权加性FGA方法用于多类型FACTS设备的最优潮流
R. Vanitila, M. Sudhakaran
This paper proposes a novel approach by combining Differential Evolution (DE) algorithm with Weighted Additive Fuzzy Goal Programming (WAFGP) to solve multi-objective optimal power flow problem using multi-type FACTS devices. The Optimal power flow problem (OFF) is formulated by combining two conflicting objectives; maximize load ability and minimize real power losses of an existing system network within the security margins. Line Stability Index (LSI) is used to determine the critical lines in which the FACTS devices be inserted to enhance the performance of the system. Among the various FACTS controllers, Unified Power Flow Controller (UPFC) and Thyristor Controlled Series Capacitor (TCSC) are chosen and modeled for steady state studies. In this proposed approach, first the load ability and real power losses are optimized individually by optimal placement and control parameter settings of FACTS devices using DE algorithm. Then WAFGP is used to combine this multi-objective OPF (MOPF) problem into single standard nonlinear OPF problem. Finally optimal solution is obtained with the help of DE algorithm. This proposed approach is tested on IEEE 30 bus system and the results are used to validate the performance of the approach.
本文提出了一种将差分进化算法与加权可加模糊目标规划相结合的方法来解决多类型FACTS设备的多目标最优潮流问题。最优潮流问题(OFF)由两个相互冲突的目标组合而成;在安全范围内,使现有系统网络的负载能力最大化,实际功率损耗最小化。线路稳定指数(Line Stability Index, LSI)用于确定插入FACTS器件以提高系统性能的关键线路。在各种FACTS控制器中,选择统一功率流控制器(UPFC)和晶闸管控制串联电容器(TCSC)进行稳态研究并建模。在该方法中,首先利用DE算法对FACTS器件的最优放置和控制参数设置分别对负载能力和实际功率损耗进行优化。然后利用WAFGP将多目标OPF (MOPF)问题合并为单个标准非线性OPF问题。最后利用DE算法得到最优解。这个建议的方法是在IEEE 30母线系统上测试,结果被用来验证方法的性能。
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引用次数: 21
Intelligent route selection in road ways 道路智能选路
A. Krishnakumar, M. Gowtham, R. N. Kumar, A. Perumal
The basic mode of transportation for limited distances is mainly through road ways. As the problem of urban traffic congestion spreads, there is a pressing need for the introduction of advanced technology and equipment to improve the state-of-the-art traffic control. Traffic problems nowadays are increasing because of the growing number of vehicles and the limited resources provided by current infrastructures. Due to this, there is a need to wait for more time in front of the signals. This leads to waste of time. In concern with this problem, we have designed a paper that will help the people in taking the alternate routes in times of long traffic In the proposed method, vehicles count in the traffic is detected using image processing techniques. A camera will be installed along with the traffic light on the signalling post It will capture the image sequences. The image of an empty road is taken as the reference image and background subtraction is performed with the captured image to detect the traffic density. The vehicles on the captured road images will be counted. The vehicles count is updated in the SQL server through RF signals. Unique code win be assigned to the local server. By sending message to that code providing the name of the signal area, its traffic detail will be sent to the corresponding user. According to the received message from the signal area, people choose heir alternate way for their timely reach to their job or occasion. This will be used for all the local area working people. This reduces the waiting time in the traffic signals when the vehicles count is higher. The paper results in reducing the waiting time in the traffic signals as the traffic is set according to the traffic density. Hence the traffic movement will be smooth.
有限距离的基本运输方式主要是公路。随着城市交通拥堵问题的蔓延,迫切需要引进先进的技术和设备来改善最先进的交通控制。由于车辆数量的增加和现有基础设施提供的资源有限,交通问题日益严重。因此,需要在信号前等待更长的时间。这会导致时间的浪费。针对这一问题,我们设计了一篇论文,可以帮助人们在交通繁忙时选择备用路线。本文提出的方法是使用图像处理技术检测交通中的车辆数量。一个摄像头将与信号灯一起安装在信号柱上,它将捕捉图像序列。以空路图像作为参考图像,对采集的图像进行背景相减,检测交通密度。采集到的道路图像上的车辆将被计算在内。在SQL服务器中通过RF信号更新车辆数量。唯一的代码将被分配给本地服务器。通过向该代码发送提供信号区域名称的消息,其流量详细信息将被发送给相应的用户。人们根据从信号区接收到的信息,选择自己的替代方式,以便及时到达工作地点或场合。这将用于当地所有劳动人民。这减少了车辆数量较多时在交通信号处的等待时间。根据交通密度设置交通流量,减少了交通信号的等待时间。因此,交通将会很顺畅。
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引用次数: 2
Relative investigation between push-pull converter and non-isolated converter of low to high voltage gain 推挽变换器与低至高电压增益非隔离变换器的相关性研究
S. Devikala, P. Nirmalkumar
This paper deals with comparison of the Non-isolated boost converter and push-pull converter. Here 48V DC is converted into AC with high frequency and it is stepped up. The aim of this work is to obtain the comparative analysis of non-isolated and push-pull converter by simulating the converter. The push-pull converter has advantages like reduced switching losses, stresses and EMI. The power output of push-pull converter seems to be of high value compared to the non-isolated boost converter. The simulation results of Non-isolated converter and Push-Pull converter was compared, shows that output power of push-pull converter is greater than non-isolated converter.
本文对非隔离升压变换器和推挽变换器进行了比较。在这里,48V的直流电被高频转换成交流电,并进行升压。本文的目的是通过对非隔离型变换器和推挽型变换器的仿真,对其进行比较分析。推挽变换器具有降低开关损耗、应力和电磁干扰等优点。与非隔离升压变换器相比,推挽变换器的输出功率似乎具有很高的价值。对非隔离变换器和推挽变换器的仿真结果进行了比较,表明推挽变换器的输出功率大于非隔离变换器。
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引用次数: 0
Human eye detection of color images based on morphological segmentation using modified Harris corner detector 基于形态学分割的改进Harris角检测器人眼彩色图像检测
A. Das, D. Ghoshal
This paper presents a novel method for human eye detection of color images based on modified Harris corner detection algorithm. The face detection from human face images is first performed using Cb component of YCbCr color space to detect eyes. Secondly, Harris corner detector is applied on a morphologically pre-processed extracted human face to detect eyes using only two arbitrary corner points (one corner point for one eye). This study is found to yield 88% eye detection rate which is comparable with the same obtained by other standard algorithm.
提出了一种基于改进的Harris角点检测算法的人眼彩色图像检测新方法。首先利用YCbCr颜色空间的Cb分量对人眼进行人脸检测。其次,将Harris角点检测器应用于形态学预处理后提取的人脸,利用任意两个角点(一个角点代表一只眼睛)来检测眼睛;本研究的眼睛检测率为88%,与其他标准算法的检测率相当。
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引用次数: 9
Online monitoring of chromium sludge recycling process using recursive MPCA 用递归MPCA在线监测铬污泥回收过程
S. Damarla, M. Kundu
In this paper, recursive multi-way principal component analysis (MPCA) is applied to the batches of chromium sludge recycling process for the detection of faults without false alarms. The data matrix is being augmented sample wise to reflect the process changes in MPCA. Multivariate statistical process control (MVSPC) techniques; Hotelling's T and squared prediction error; Q, based on PCA have facilitated the analysis of successful and unsuccessful batches. The results have shown that the faults were very quickly identified.
本文将递归多向主成分分析(MPCA)应用于铬污泥循环过程的批次故障检测,实现了无虚警的故障检测。数据矩阵正在增加样本,以反映MPCA的过程变化。多元统计过程控制技术;Hotelling’s T和平方预测误差;Q,基于PCA对成功批次和不成功批次进行了分析。结果表明,断层的识别速度非常快。
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引用次数: 0
Futuristic assimilation of cloud computing platforms and its services 云计算平台及其服务的未来主义同化
S. Srinivasan, K. Raja, S. Muthuselvan
Cloud computing is one of today's most exciting technologies due to its ability to reduce costs associated with computing while increasing flexibility and scalability for computer processes. Cloud computing is Internet-based computing, whereby shared resources, software and information, are provided to computers and devices on-demand, like the electricity grid. It aims to construct a perfect system with powerful computing capability through a large number of relatively low-cost computing entities, and using the advanced business models. The construction of on-premises application platform into cloud environment with limited foundations, infrastructure and application services. The Integration of cloud platform architecture and on-premises platform together is an enormous reform on building a huge environment on today's cloud computing environment SOA is a set of services and advocate the principles of component reuse and well defined relationship between a service provider and service consumer. This article introduces the background, services and service model of cloud computing and overlapping of SOA and cloud computing.
云计算是当今最令人兴奋的技术之一,因为它能够降低与计算相关的成本,同时提高计算机进程的灵活性和可伸缩性。云计算是一种基于互联网的计算,通过这种计算,共享的资源、软件和信息按需提供给计算机和设备,就像电网一样。它旨在通过大量相对低成本的计算实体,并采用先进的商业模式,构建一个具有强大计算能力的完善系统。在基础、基础设施和应用服务有限的情况下,将本地应用平台构建为云环境。云平台架构和本地平台的集成是在当今的云计算环境中构建大型环境的巨大变革。SOA是一组服务,提倡组件重用原则以及服务提供者和服务使用者之间定义良好的关系。本文介绍了云计算的背景、服务和服务模型,以及SOA与云计算的重叠。
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引用次数: 0
Impact of voltage and power factor change on primary distribution feeder power loss in radial and loop type of feeders 电压和功率因数变化对径向和环形馈线一次配电系统功率损耗的影响
V. V. Reddy, G. Yesuratnam, M. Kalavathi
In distribution system reducing losses is an important issue during planning and operation because of its technical and economical implications. This paper presents the study of impact of variation in voltage and power factor on power loss in radial and loop type of feeders in the distribution system. The comparison is made in change in loss between radial type and closed-loop type feeders. The line losses are calculated for two different radial feeders, then the feeders are connected with tie line to form the closed loop feeder and losses are calculated. The change in the voltage profile when changed from radial to loop type is evaluated and compared. The impact of upgrading the radial system to loop system on the power loss reduction studied. Various loss reduction techniques discussed. The advantages of system running in the closed loop type over radial are studied and explored the possibility of such systems in the local area at primary distribution voltage level (33 K V). The impact on the system for this conversion is explored.
在配电系统中,减少损耗是规划和运行中的一个重要问题,因为它具有技术和经济意义。本文研究了配电系统中电压和功率因数的变化对径向型和环状型馈线的功率损耗的影响。比较了径向馈线和闭环馈线的损耗变化。计算两种不同径向给料器的线路损耗,然后将给料器与联络线连接形成闭环给料器并计算损耗。评估和比较了从径向型到环形型电压分布的变化。研究了将径向系统升级为环形系统对降低功率损耗的影响。讨论了各种减少损耗的技术。研究了系统以闭环方式运行比径向方式运行的优点,并探讨了这种系统在一次配电电压水平(33 K V)下局部区域运行的可能性。探讨了这种转换对系统的影响。
{"title":"Impact of voltage and power factor change on primary distribution feeder power loss in radial and loop type of feeders","authors":"V. V. Reddy, G. Yesuratnam, M. Kalavathi","doi":"10.1109/ICETEEEM.2012.6494446","DOIUrl":"https://doi.org/10.1109/ICETEEEM.2012.6494446","url":null,"abstract":"In distribution system reducing losses is an important issue during planning and operation because of its technical and economical implications. This paper presents the study of impact of variation in voltage and power factor on power loss in radial and loop type of feeders in the distribution system. The comparison is made in change in loss between radial type and closed-loop type feeders. The line losses are calculated for two different radial feeders, then the feeders are connected with tie line to form the closed loop feeder and losses are calculated. The change in the voltage profile when changed from radial to loop type is evaluated and compared. The impact of upgrading the radial system to loop system on the power loss reduction studied. Various loss reduction techniques discussed. The advantages of system running in the closed loop type over radial are studied and explored the possibility of such systems in the local area at primary distribution voltage level (33 K V). The impact on the system for this conversion is explored.","PeriodicalId":213443,"journal":{"name":"2012 International Conference on Emerging Trends in Electrical Engineering and Energy Management (ICETEEEM)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129190430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Fuzzy clustering in digital mammograms using Gray Level co-occurrence matrices 基于灰度共现矩阵的数字乳房x光片模糊聚类
S. Sujit, S. Parasuraman, A. Kadirvelu
Digital mammograms are difficult images to interpret. Data clustering plays a very crucial role in automatic detection of clustered calcifications in digital mammograms. The aim of this paper is to review and compare the performance of the three main data clustering techniques namely K-means clustering, Fuzzy C-Means clustering and Subtractive clustering. The digital mammograms for the study are taken from Mammographie Image Analysis Society (MIAS) digital mammogram database. The contrast limited adaptive histogram equalization (CLAHE) method is used to reduce noise in digital mammograms. The Gray Level co-occurrence Matrices (GLCM) for different distances and angles are constructed. The performance results of the clustering techniques based on mean square errors are tabulated and compared. It was found that the Subtractive clustering technique outperforms the other two techniques.
数字乳房x光照片很难解读。数据聚类在数字乳房x光片簇状钙化的自动检测中起着至关重要的作用。本文的目的是回顾和比较三种主要的数据聚类技术,即k -均值聚类,模糊c -均值聚类和减法聚类的性能。本研究的数字乳房x线照片取自乳房x线照片图像分析协会(MIAS)的数字乳房x线照片数据库。采用对比度有限的自适应直方图均衡化(CLAHE)方法降低数字乳房x线照片中的噪声。构造了不同距离和角度的灰度共生矩阵(GLCM)。将基于均方误差的聚类技术的性能结果制成表格并进行了比较。结果表明,减法聚类技术优于其他两种聚类技术。
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引用次数: 2
DVR with sweep mode control to alleviate voltage sags on a distribution system for three phase fault 带扫频控制的DVR可缓解配电系统三相故障时的电压跌落
P. Poornima, N. Veerappan, R. Sathyanarayanan
The point of common coupling voltage during sag condition resulting due to a fault occurring on the parallel feeder in a distribution system evidently shows good dynamic response of the DVR achieved through the sweep mode control. It can also be observed that usage of sweep mode control to DVR eliminates the additional sag detection and makes the DVR multifunctional, such as the same control can be used to compensate any variation in the supply voltage.
在配电系统并联馈线发生故障时,共耦合电压点表明,通过扫描方式控制,DVR具有良好的动态响应。还可以观察到,对DVR使用扫描模式控制消除了额外的凹陷检测,并使DVR多功能,例如可以使用相同的控制来补偿电源电压的任何变化。
{"title":"DVR with sweep mode control to alleviate voltage sags on a distribution system for three phase fault","authors":"P. Poornima, N. Veerappan, R. Sathyanarayanan","doi":"10.1109/ICETEEEM.2012.6494452","DOIUrl":"https://doi.org/10.1109/ICETEEEM.2012.6494452","url":null,"abstract":"The point of common coupling voltage during sag condition resulting due to a fault occurring on the parallel feeder in a distribution system evidently shows good dynamic response of the DVR achieved through the sweep mode control. It can also be observed that usage of sweep mode control to DVR eliminates the additional sag detection and makes the DVR multifunctional, such as the same control can be used to compensate any variation in the supply voltage.","PeriodicalId":213443,"journal":{"name":"2012 International Conference on Emerging Trends in Electrical Engineering and Energy Management (ICETEEEM)","volume":"165 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131826085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
期刊
2012 International Conference on Emerging Trends in Electrical Engineering and Energy Management (ICETEEEM)
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