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2017 IEEE International Conference on Circuits and Systems (ICCS)最新文献

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Grid integration of PV systems-issues and requirements 光伏系统的并网问题和要求
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8325993
B. K. Jose
The renewable energy generation has developed remarkably in the past years due to its reliable, clean, environment friendly nature. But as a result of the periodic nature of the renewable energy source, it is necessary to connect it to a grid system. Nowadays, photovoltaic technology has grown rapidly, making this technology feasible to the distribution systems. There are numerous issues associated with grid integration of PV systems. This paper presents various technical and non-technical issues and investigates the possible remedies for them. It also gives some guidelines or requirements for grid integration.
近年来,可再生能源发电以其可靠、清洁、环保的特点得到了显著的发展。但由于可再生能源的周期性,有必要将其连接到电网系统。如今,光伏技术发展迅速,使得该技术在配电系统中具有可行性。与光伏系统并网相关的问题有很多。本文提出了各种技术和非技术问题,并探讨了可能的补救措施。并给出了网格集成的指导原则和要求。
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引用次数: 5
Design of CPW fed hexagonal sierpinski fractal antenna for UWB band applications 超宽带用CPW馈电六边形sierpinski分形天线设计
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8325972
Priyanka Bairy, S. A. Kumar, T. Shanmuganantham
In this paper, a novel hexagonal sierpinski fractal antenna has been designed for ultra wideband (UWB) applications. Coplanar Waveguide (CPW) fed fractal antenna is to be designed with the design parameters of the size is 30 × 28 × 1.6 mm3 and the substrate is FR4 εr=4.4 and tanδ= 0.002. The proposed antenna resonates at 3.1 to 10.8 GHz with a return loss of above −10 dB. The antenna has a better gain of 7 dBi at the UWB band frequency. The antenna is used for variety of applications like defence, secure communication and biomedical applications. The software used for simulation is IE3D simulator.
本文设计了一种新型的六边形sierpinski分形天线,用于超宽带应用。设计共面波导馈电分形天线,设计参数为30 × 28 × 1.6 mm3,衬底为FR4 εr=4.4, tanδ= 0.002。该天线谐振频率为3.1 ~ 10.8 GHz,回波损耗大于−10 dB。该天线在UWB频段频率上有较好的7dbi增益。该天线用于各种应用,如国防,安全通信和生物医学应用。模拟使用的软件是IE3D模拟器。
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引用次数: 4
SRR loaded CB-CPW fed hexagonal patch antenna for EEG monitoring applications 用于脑电监测的SRR加载CB-CPW馈电六边形贴片天线
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8325964
K. Sajith, J. Gandhimohan, T. Shanmuganantham
The new SRR loaded circular ring surrounded hexagonal patch shape conductor backed coplanar wave guide fed with configured wearable antenna is outstandingly necessary part for wearable device module for electroencephalogram (EEG) and healthcare monitoring. This antenna designed to fine-tune at resonating frequency 2.45GHz and 3.6GHz are one of the on-body narrow band communication and WLAN frequency band. This is SRR loaded antenna; hence it has high gain, bandwidth, flexible frequency tune, low-power consumption. The proposed model using a biocompatible material (Teflon) and SRR loaded structure, which is located in between radiation element and skin layer, therefore the designed antenna has enabled to have high gain and more isolation from skin layer. The simulated results for the magnitude of reflection coefficients are −16.5dB at 2.48GHz and −23.1dB at 3.6GHz for SRR loaded proposed antenna, −26.7dB at 2.47GHz and −13.39dB at 3.54GHz for non-SRR loaded proposed antenna respectively. These values are more suitable for standard ISM and WLAN communication.
新型SRR负载的环形环绕六角形贴片导体背衬共面波导,配以可穿戴式天线馈电,是用于脑电图和健康监测的可穿戴设备模块中非常重要的组成部分。该天线设计在2.45GHz和3.6GHz谐振频率上进行微调,为体上窄带通信和WLAN频段之一。这是SRR负载天线;因此,它具有高增益、高带宽、频率调谐灵活、低功耗等特点。该模型采用生物相容性材料(聚四氟乙烯)和SRR加载结构,该结构位于辐射元件和皮肤层之间,因此设计的天线具有高增益和与皮肤层的隔离性。负载SRR的天线在2.48GHz和3.6GHz时的反射系数幅值分别为- 16.5dB和- 23.1dB,未加载SRR的天线在2.47GHz和3.54GHz时的反射系数幅值分别为- 26.7dB和- 13.39dB。这些值更适合于标准的ISM和WLAN通信。
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引用次数: 1
Performance analysis of LTE-high speed railway networks using ginibre point process 基于ginibre点过程的lte高速铁路网性能分析
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326025
R. Jayavani, G. Ananthi
This paper deals with capacity analysis of High Speed Railway (HSR) communications that utilizes massive multiple-input multiple-output (MIMO) systems. It is known that the users in the train are communicated with the base station by using massive co-located antennas mounted on top of the train termed as Mobile Gateway (MG). The spatial structure of transmitters in wireless networks is used for analyzing the mutual interference and hence the performance has been analyzed. The distance between Base Station (BS) and Mobile Gateway antenna is modeled by the point process. The Ginibre point process (GPP) model is a newly proposed model in this paper for the random occurrences of nodes or users, considering repulsion. ß-GPP, is a special class of GPP is proposed in this paper for wireless networks with repulsion. We derived the closed form expression for Ergodic capacity analysis using ß-GPP. The optimum number of antennas on the train can be found by maximizing the average cell capacity. It is observed that GPP provides a realistic model for wireless networks than Poisson Point Process (PPP). It is inferred that by varying the value of ß the repulsion is controlled and the capacity has been increased. The theoretical results are validated via simulation results.
本文研究了采用大规模多输入多输出(MIMO)系统的高速铁路通信的容量分析。据悉,列车上的用户通过安装在列车顶部的大型天线(称为移动网关(MG))与基站进行通信。利用无线网络中发射机的空间结构分析相互干扰,从而对其性能进行了分析。采用点过程对基站与移动网关天线之间的距离进行建模。Ginibre点过程(GPP)模型是一种考虑排斥的节点或用户随机出现的新模型。ß-GPP,是针对具有排斥的无线网络提出的一类特殊的GPP算法。我们用ß-GPP导出遍历容量分析的封闭形式表达式。列车上天线的最佳数量可以通过最大化平均单元容量来确定。与泊松点过程(PPP)相比,GPP提供了一个更现实的无线网络模型。可以推断,通过改变β的值,排斥力是控制和容量已增加。仿真结果验证了理论结果。
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引用次数: 0
Design of multiband microstrip patch antenna for IOT applications 面向物联网应用的多波段微带贴片天线设计
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8325968
S. K. Das, T. Shanmuganantham
In this paper a Microstrip line fed truncated icosidodecahedron modeled antenna is introduced. The antenna works over the frequency bands of 1.47GHz–1.61GHz, 2.59GHz–2.94GHz, 3.57GHz–3.69GHz, 3.94GHz–4.08GHz, 4.49GHz–4.73GHz, 5.2GHz–5.4GHz, 6.35GHz–6.6GHz at UHF, microwave and SHF frequency bands. The S11 = −10 dB impedance bandwidth is 140MHz (1.47GHz–1.61GHz), 350MHz (2.59GHz–2.94GHz), 120MHz (3.57GHz–3.69GHz), 140MHz (3.94GHz–4.08GHz), 240MHz (4.49GHz–4.73GHz), 200MHz (5.2GHz–5.4GHz) and 250MHz (6.35GHz–6.6GHz) in different bands. The material FR4 of dielectric constant 4.4 and loss tangent 0.02 is selected as the substrate of the antenna. The antenna could operate in the frequency range of WiFi as well as WLAN enables IOT applications. In addition the applications like GPS, Radio location, fixed mobile communication is also possible.
本文介绍了一种微带线馈电截断二十十二面体模型天线。该天线工作在1.47GHz-1.61GHz、2.59GHz-2.94GHz、3.57GHz-3.69GHz、3.94GHz-4.08GHz、4.49GHz-4.73GHz、5.2GHz-5.4GHz、6.35GHz-6.6GHz频段的UHF、微波和SHF频段。S11 = - 10 dB阻抗带宽在不同频段分别为140MHz (1.47GHz-1.61GHz)、350MHz (2.59GHz-2.94GHz)、120MHz (3.57GHz-3.69GHz)、140MHz (3.94GHz-4.08GHz)、240MHz (4.49GHz-4.73GHz)、200MHz (5.2GHz-5.4GHz)和250MHz (6.35GHz-6.6GHz)。选择介电常数为4.4、损耗正切为0.02的材料FR4作为天线的衬底。天线可以在WiFi和WLAN的频率范围内工作,使物联网应用成为可能。此外,应用如GPS,无线电定位,固定移动通信也是可能的。
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引用次数: 7
Mechanical characteristics of sandwich palm/glass based polymer composite 夹层棕榈/玻璃基聚合物复合材料的力学特性
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8325958
J. Dhas, P. Pradeep, S. Akhil, S. Daniel King
Palm fibers one among the natural fibers whose leaf stalk and sheath portion were extracted manually. The extracted fibers were alkali treated which enhances fiber properties. In this study three composites were prepared namely, the first one with palm leaf stalk fiber, the second one with palm leaf sheath fiber and the third one with hybrids of palm leaf stalk/sheath fibers. All these fibers were sandwiched inside glass fibers with polyester resin matrix. The composite plates so prepared were tested as per ASTM standards. After various tests it can be noted that the hybrid composite shall be used for fabricating automobile parts like car bumpers, under body shield, etc.
棕榈纤维是人工提取叶柄和鞘部的天然纤维之一。提取的纤维经过碱处理,提高了纤维的性能。本研究制备了三种复合材料,分别是棕榈叶柄纤维、棕榈叶鞘纤维和棕榈叶柄/鞘纤维杂交材料。所有这些纤维都夹在聚酯树脂基体的玻璃纤维中。按照ASTM标准对所制备的复合板进行了测试。经过各种试验,可以注意到混合复合材料应用于制造汽车零部件,如汽车保险杠,车身下护罩等。
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引用次数: 1
Margin based feature selection: An algorithmic approach for a set of attributes extrication 基于边界的特征选择:一种提取一组属性的算法
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8325965
R. Preetha, S. V. Jinny
In information processing industry, mining techniques plays a major role to analyze the huge dataset. Information/Data-Mining is a extraction-progression meaningful information from the dataset. The major steps in data mining are pre-processing, mining and result validation. Classification is one of an important methodology to detect disease for the humans. There are lots of algorithms for classification. Feature selection is a useful method for classification and clustering. This work aims to classify disease based on health information and to take treatment on the early stage with novel feature selection algorithm and ensemble learning based classification. This will improve the feature selection accuracy. Breast cancer detection application is an example of this type of classification. Classification and prediction problems have a vital role in medical decision making. Disease diagnosis is a multiclass classification problem. The classification in disease diagnosis is t o assign a disease label to a particular instance. High dimensional datasets have the problem of presence of unrelated otherwise superfluous features, which often lowers the performance of machine learning algorithm. A suitable feature selection method is required for high dimensional data set classification. I n t his paper, feature selection algorithm named as Margin based Characteristic Analysis procedures and data combining methodologies are going to use.
在信息处理行业中,挖掘技术对海量数据集的分析起着重要作用。信息/数据挖掘是从数据集中提取有意义的信息。数据挖掘的主要步骤是预处理、挖掘和结果验证。分类是人类疾病检测的重要方法之一。有很多分类算法。特征选择是分类和聚类的一种有效方法。本研究旨在基于健康信息对疾病进行分类,并采用新颖的特征选择算法和基于集成学习的分类方法在早期进行治疗。这将提高特征选择的准确性。乳腺癌检测应用就是这种分类的一个例子。分类和预测问题在医疗决策中起着至关重要的作用。疾病诊断是一个多类分类问题。疾病诊断中的分类就是给一个特定的实例分配一个疾病标签。高维数据集存在不相关或多余特征的问题,这通常会降低机器学习算法的性能。高维数据集的分类需要一种合适的特征选择方法。本文将使用基于边缘的特征分析程序和数据组合方法进行特征选择。
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引用次数: 2
Queue occupancy estimation technique for adaptive threshold based RED 基于RED自适应阈值的队列占用估计技术
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326038
Z. Patel
The proper estimation of queue occupancy in gateways is a key for effectiveness of actions taken based on its value. Adaptive threshold based random early detection (RED) uses queue occupancy status (e.g. low, medium and high) to make threshold adjustment decisions. Normally, current value of average queue size is used to determine occupancy. In this paper, we propose a method that takes into account instantaneous and average queue size to estimate queue occupancy. Both present and few past values are analyzed to estimate queue occupancy. The situation of under utilization of link and buffer overflow can be avoided with this method. Simulation results of throughput shows that our method keeps high throughput and low packet drop rate. It also tends to reduce peaks in queue and keeps minimum values higher.
网关中队列占用率的正确估计是根据其值采取行动的有效性的关键。基于随机早期检测的自适应阈值(RED)使用队列占用状态(例如低、中、高)来做出阈值调整决策。通常,使用平均队列大小的当前值来确定占用率。本文提出了一种考虑瞬时和平均队列大小来估计队列占用率的方法。分析当前和过去的几个值来估计队列占用率。该方法可以避免链路利用率不足和缓冲区溢出的情况。吞吐量仿真结果表明,该方法具有较高的吞吐量和较低的丢包率。它还倾向于减少队列中的峰值,并保持较高的最小值。
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引用次数: 6
Investigation on performance of piezoelectric beam based MEMS actuator for focussing of micro lens in mobile application 基于压电梁的微机电系统微透镜聚焦驱动器在移动应用中的性能研究
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326030
D. Sindhanaiselvi, T. Shanmuganantham
Photo capturing capabilities are one of the core functions in mobile devices which makes the people to use very often. But the cost of the mobile depends on the high quality design and low cost mass production of micro optical lens systems. This is achieved by designing a suitable actuator which leads to the precise focussing of a subject in mobile camera. In this paper, MEMS based Piezoelectric cantilever beam actuator is proposed and designed with different type of piezo material, beam length to width ratio, number of layers and number of beams to achieve optimum focussing and tracking. The investigation reveals that rectangular shape with lead zirconate titanate as piezo material yields the maximum displacement of 4.17989pm The 1:2 actuator length to beam length ratio andfive layer beam improve the maximum displacement. This analysis is performed using Intellisuite MEMS CAD Tool in TEM analysis.
照片捕捉功能是移动设备的核心功能之一,也是人们经常使用的功能之一。但手机的成本取决于微光学透镜系统的高质量设计和低成本批量生产。这是通过设计一个合适的致动器来实现的,该致动器可以使移动相机中的物体精确对焦。本文提出并设计了基于MEMS的压电悬臂梁致动器,通过不同的压电材料类型、光束长宽比、层数和光束数来实现最佳聚焦和跟踪。研究表明,以锆钛酸铅为压电材料的矩形压电陶瓷的最大位移为4.17989pm, 1:2的作动器长梁长比和五层梁提高了最大位移。该分析是在TEM分析中使用intellisite MEMS CAD工具进行的。
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引用次数: 7
Optimal PMU placement for coordinated observability of power system under contingencies 突发事件下电力系统协调可观测性PMU优化配置
Pub Date : 2017-12-01 DOI: 10.1109/ICCS1.2017.8326016
D. Shrivastava, S. A. Siddiqui, K. Verma
The deployment of Phasor Measurement Units (PMUs) are important for proper monitoring and control of modern power systems. In this paper, Optimal PMU Placement (OPP) problem is solved to obtain the complete observability of power system with minimum number of PMUs under normal and abnormal operating conditions. The proposed OPP problem determines coordinated observability considering multiple contingency cases: single line outage, double line outage resulting in bus isolation, single PMU loss resulting in communication failure. Integer Linear Programming (ILP) is used to determine optimal number and locations for OPP problem. Moreover, Optimal PMU placement problem with conventional measurements is modified for incorporation of bus isolation caused due to contingency. The effectiveness of proposed methodology has been tested on IEEE 14-bus system and New England 39-bus power system. The results highlight the practical suitability of the proposed approach at the control centers.
相量测量单元(pmu)的部署对于现代电力系统的监测和控制具有重要意义。本文解决了电力系统在正常和异常运行状态下,以最小PMU数量获得系统完全可观察性的最优PMU配置问题。提出的OPP问题考虑多种突发情况确定协调可观察性:单线中断,双线中断导致总线隔离,单个PMU丢失导致通信失败。采用整数线性规划(ILP)方法确定OPP问题的最优数量和最优位置。此外,改进了传统测量的最优PMU放置问题,纳入了由于偶然性引起的总线隔离。该方法的有效性已在IEEE 14总线系统和新英格兰39总线电力系统上进行了测试。结果强调了所提出的方法在控制中心的实际适用性。
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引用次数: 7
期刊
2017 IEEE International Conference on Circuits and Systems (ICCS)
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