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2017 1st International Conference on Electronics, Materials Engineering and Nano-Technology (IEMENTech)最新文献

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Wind power grid interfacing using 3 level vs 5 level inverter with SEPIC converter 风力电网接口使用3级vs 5级变频器与SEPIC转换器
Rajat Kumar, Navdeep M. Singh
Renewable energy is gaining more attention because conventional power plants are facing several environment problems. In the present scenario, wind power grid interfacing is one of the favorable approaches for electricity production. This paper introduces the MATLAB modeling and simulation of 5-Level and 3-Level neutral point clamped inverters for grid interfacing using SEPIC converter for wind energy application. SEPIC converter decreases the lower harmonic component value in the generator. SEPIC converter offers several advantages over other DC-DC converters like harmonics can be minimized and efficiency is thus improved in SEPIC converter. As the number of levels is high in inverter, harmonic content value is reduced so that there is no need of filter. NPC inverter provides high efficiency as switching of all the devices have been taken place at fundamental frequency. The performance assessment of 5-Level inverter over 3-Level inverter for reduction in the harmonic level has been discussed.
由于传统发电厂面临一些环境问题,可再生能源越来越受到关注。在当前情况下,风电并网是发电的有利途径之一。本文介绍了风能用SEPIC变换器与电网对接的5级和3级中性点箝位逆变器的MATLAB建模与仿真。SEPIC变换器降低了发电机的低次谐波分量值。SEPIC转换器比其他DC-DC转换器提供了几个优点,例如谐波可以最小化,因此SEPIC转换器提高了效率。由于逆变器的电平数高,谐波含量值被降低,因此不需要滤波器。由于所有设备的开关都是在基频上进行的,所以NPC逆变器具有很高的效率。讨论了5电平逆变器比3电平逆变器在降低谐波电平方面的性能评价。
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引用次数: 1
Formal modeling of smart logistics monitoring 智能物流监控的形式化建模
Saima Saddiq, N. Zafar, Farhan Ullah
In this paper, we present orders, customers, products, manufacturer, warehouse, transportation and payments components of our proposed smart logistics monitoring system model. This paper presents model which provide smart logistics service, identify customer demands, products and inventory management to develop smart logistics system. Four modules system management, order, customers, and manufacturer are described only here. It involves the wireless sensors, RFID, RTLS and actors to communicate with different components of the system. The proposed components require fewer resources in terms of sensors, RFID, RTLS, and actors. Further, sensors identify objects through RFID and it is readable through sensors from its barcode and barcode consists of objects details in terms of order registration, type, price, and color. The components of our proposed model are implemented by developing formal specification using VDM-SL, which is a formal specification language used for analysis of complex systems. The developed specification is validated, verified and analyzed using VDM-SL Toolbox.
在本文中,我们展示了我们提出的智能物流监控系统模型的订单、客户、产品、制造商、仓库、运输和支付组件。本文提出了智能物流服务、客户需求识别、产品和库存管理等智能物流系统的开发模型。这里只介绍系统管理、订单、客户和制造商四个模块。它涉及无线传感器、RFID、RTLS和参与者与系统的不同组件进行通信。提出的组件在传感器、RFID、RTLS和参与者方面需要较少的资源。此外,传感器通过RFID识别对象,并且可以通过传感器读取其条形码,条形码由订单注册、类型、价格和颜色方面的对象详细信息组成。我们提出的模型的组件是通过使用VDM-SL开发正式规范来实现的,VDM-SL是一种用于分析复杂系统的正式规范语言。使用VDM-SL工具箱对开发的规范进行了验证、验证和分析。
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引用次数: 5
Task space stiffness analysis of wire driven parallel manipulator 线驱动并联机器人的任务空间刚度分析
P. Shinde, Soumen Sen, S. N. Shome
A wire driven parallel manipulator is pulled by several wires on motors or passive devices over pulleys at the other ends. The motors or passive ends are mounted on a framed structure and the platform moves within the volume. Wires can apply only unilateral force and so these manipulators need redundancy in actuation and characterized by Force closure of the wire tensions. This article presents an analysis of and method for determining the force-closure workspace. Due to elastic behaviour of wires and proportional gain of motor controller, the moving platform exhibits directional stiffness in any position within workspace. The stiffness again also varies on all over the workspace. This article presents a detailed analysis of the task space stiffness behaviour of the moving platform. Illustrations are given with numerical results of analyses on example cases of 4-wire driven planar and 8-wire driven spatial manipulators.
线驱动的并联机械手是由电机上的几根线或无源装置在另一端的滑轮上拉动的。电机或被动端安装在框架结构上,平台在体积内移动。钢丝只能施加单边力,因此这些机械手需要冗余驱动,并以钢丝张力的力闭合为特征。本文给出了确定强制闭合工作空间的分析和方法。由于导线的弹性特性和电机控制器的比例增益,移动平台在工作空间内的任何位置都表现出方向刚度。整个工作空间的刚度也是不同的。本文对移动平台的任务空间刚度特性进行了详细的分析。给出了4线驱动平面机械臂和8线驱动空间机械臂实例分析的数值结果。
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引用次数: 1
Comparison between TP and fan data compression techniques of ECG signal 心电信号TP与风扇数据压缩技术的比较
Diwakar Singh, Awadhesh Kumar
Electrocardiogram (ECG) is utilized in finding and treatment of various heart diseases. ECG data is compressed so that it can be effectively used in telemedicine. For telemedicine huge quantity of data signals are to be stored and sent to different places. So it is very essential to compress the ECG signal data in a resourceful way. Electrocardiogram (ECG) signals are mainly compressed for two reasons, on-line data transmission and effective and economical data storage. In the last five decades several data compression techniques has been developed for the compression of ECG signals. These techniques can be classified into three categories: direct data compression (DDC), transformation compression (TC), parameter extraction compression (PEC). In this paper a comparative study of turning point (TP) compression technique and fan compression technique is done. The comparison has been on parameters like compression ratio (CR), percentage root mean square difference (PRD) and quality score (QS). The main comparison has been made morphologically.
心电图(ECG)用于发现和治疗各种心脏疾病。对心电数据进行压缩处理,使其能够有效地用于远程医疗。远程医疗需要存储大量的数据信号并将其发送到不同的地方。因此,对心电信号数据进行有效的压缩是十分必要的。对心电信号进行压缩主要有两个原因:数据的在线传输和有效经济的数据存储。在过去的五十年中,已经开发了几种用于心电信号压缩的数据压缩技术。这些技术可以分为三类:直接数据压缩(DDC)、转换压缩(TC)和参数提取压缩(PEC)。本文对拐点压缩技术和风机压缩技术进行了对比研究。对压缩比(CR)、百分均方根差(PRD)和质量评分(QS)等参数进行了比较。主要的比较是形态学上的。
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引用次数: 1
Analytical computation of transconductance characteristics of single electron transistor 单电子晶体管跨导特性的解析计算
A. Deyasi, Ritabrata Chakraborty
Transconductance characteristics of single electron transistor are analytically computed for different tunneling resistances and tunneling capacitances. For modeling purpose, it is assumed that source and drain ends are connected via quantum dot. Tunneling mechanism is considered as a stochastic process, and steady state master equation is solved to calculate free energy changes. Fermi Golden Rule (FGR) is considered to compute tunneling probabilities at drain and source ends. Some unusual variations are reported which sets the limit of equivalent circuit parameters for proper operation.
分析计算了不同隧穿电阻和隧穿电容下单电子晶体管的跨导特性。为了建模,假设源极和漏极通过量子点连接。将隧道掘进机理视为随机过程,求解稳态主方程计算自由能变化。利用费米黄金法则(FGR)计算漏极和源端隧穿概率。报告了一些不寻常的变化,这些变化设定了正常运行的等效电路参数的极限。
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引用次数: 5
Intelligent computing based converter fault identification in line commutated high voltage direct current transmission line 基于智能计算的线路整流高压直流输电变换器故障识别
S. Agarwal, A. Swetapadma, C. Panigrahi, A. Dasgupta
Line commutated converter based high voltage transmission line suffers from converter faults where the converter experiences commutation failure of the device. This fault occurs when the ac voltage drops or the short circuit occurs and is more frequent in the inverter. The fast detection of a fault is essential because improper transferring of current from one device to another can cause stress on the device and interruption of transmitted power. In this paper, a fast scheme for protection against commutation failure due to decrease or faults in ac voltage is implemented using a fuzzy logic controller. The rectifier end data voltage and current signals are chosen as an input to detect the faults. This scheme has good selectivity, reliability, accuracy and robustness.
基于线路换向变换器的高压输电线路存在变换器故障,即变换器发生器件换向失效。该故障多发生在逆变器交流电压下降或短路时。快速检测故障是至关重要的,因为电流从一个设备到另一个设备的传输不当会对设备造成应力和传输功率的中断。本文利用模糊控制器实现了一种防止交流电压下降或故障导致换相失效的快速保护方案。选择整流端数据电压和电流信号作为故障检测的输入。该方案具有良好的选择性、可靠性、准确性和鲁棒性。
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引用次数: 3
Design of 1-bit Full Adder using β-driven threshold element 使用 β 驱动阈值元件设计 1 位全加法器
M. Paul, Neha Kapoor, R. Modak, Tathagata Paul, R. R. Chaudhuri, S. D. Chowdhury, Mili Sarkar
In this paper, we have designed a β driven 1-bit full-adder circuit. Circuits based on threshold elements have raised extensive interest in recent years. It uses a CMOS(complementary metal oxide semiconductor field effect transistor) pair with variable β. Transformation of a regular analytic representation of the threshold function in a ratio form is the concept behind the design of the β driven circuit. Addition is the most fundamental arithmetic operation hence full adders are one of the most basic building blocks for computing circuits. The major advantage of this β-driven threshold logic based full adder circuit design is that the Full Adder is its simplicity and lower transistor count. The circuit is done using PSpice.
在本文中,我们设计了一个 β 驱动的 1 位全梯形电路。近年来,基于阈值元件的电路引起了广泛关注。该电路使用一对可变 β 的 CMOS(互补金属氧化物半导体场效应晶体管)。将阈值函数的正则解析表示转换为比率形式是设计 β 驱动电路背后的概念。加法是最基本的算术运算,因此全加法器是计算电路最基本的构件之一。这种基于 β 驱动阈值逻辑的全加法器电路设计的主要优势在于全加法器的简单性和较低的晶体管数量。该电路使用 PSpice 完成。
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引用次数: 2
Nano-Calculator using Quantum Dot Cellular Automata (QCA) 基于量子点元胞自动机的纳米计算器
R. Chakrabarty, S. Dutta, Maitreyee Roy Malakar, Sagar Mukherjee, Rajib Ganguly
CMOS technology over Transistor is an important contribution in Very Large Scale Integrated technique for the last two decades. Quantum Dot Cellular Automata (QCA) brings as a replacement solution to the fundamental limits of CMOS technology. This paper is a proposal of making Quantum dot cellular automata (QCA) based Nano-calculator. In this Calculator we've simulated four basic operations: addition, subtraction, multiplication and division. QCA is an advance technology which overcomes some limitations of CMOS such as switching speed. QCA generated circuits operates in the order of terahertz frequency range where circuits does not require any extra power supply for operation.
CMOS技术超越晶体管是近二十年来超大规模集成技术的重要贡献。量子点元胞自动机(QCA)为CMOS技术的基本限制带来了替代解决方案。本文提出了一种基于量子点元胞自动机的纳米计算器的设计方案。在这个计算器中,我们模拟了四种基本运算:加、减、乘、除。QCA是一种先进的技术,它克服了CMOS的一些限制,如开关速度。QCA生成的电路在太赫兹频率范围内运行,电路不需要任何额外的电源来运行。
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引用次数: 3
Smart village 聪明的村庄
R. Garai, P. Maity, Raisana Hossain, P. Roy, T. K. Rana
Smart city is being implemented in many places where lot of modern and efficient systems have been installed to aim for a better and secured place to live in. Model of a smart village following the concept of a smart city is presented in this manuscript as the effect of integrated technological changes can be best realized in a place which has none. Thus a remote and isolated village location is chosen where the modern civilization has not touched. The design makes the village self-sufficient in respect of electric power, water supply, street lighting, security, education and communication. Application of non-conventional methods of energy generation is the key for betterment as discussed here. Renewable and non-polluted power is generated from solar heat. The heat energy is captured and stored in water for use at night and in absence of sun. The solar heat energy tapped in water is utilized to rotate the turbines to provide electric power to each house. Additional power is also generated from piezoelectric substances like PZT, incorporated in the busy corners of a village, where the stress generated by human weight while walking is converted to electricity. Energy efficient street lamps with controlled light intensity as per the requirement have been designed. Water is provided to houses in cold and hot forms. Computers, mobile application for individual and educational places will enrich the place. Normal and urgent medical facilities are introduced with the availability of uninterrupted power.
智慧城市正在许多地方实施,这些地方已经安装了许多现代化和高效的系统,旨在创造一个更好、更安全的居住环境。本文提出了遵循智慧城市概念的智慧村庄模型,因为综合技术变革的效果可以在没有技术变革的地方得到最好的实现。因此,选择了一个现代文明未触及的偏僻偏僻的村庄。设计使村庄在电力、供水、路灯照明、安全、教育、通讯等方面自给自足。正如本文所讨论的,应用非常规的能源生产方法是改善的关键。可再生和无污染的能源是由太阳能产生的。热能被捕获并储存在水中,以便在夜间和没有太阳的情况下使用。利用从水中提取的太阳能来转动涡轮机,为每家每户提供电力。另外,像PZT这样的压电材料也可以产生额外的能量,这种材料被安装在村庄繁忙的角落里,在那里,人走路时体重产生的压力被转化为电能。按照要求设计了可控制光强的节能路灯。水以冷热水两种形式提供给各家各户。电脑、手机应用对于个人和教育场所都将丰富场所。引入了正常和紧急医疗设施,并提供不间断的电力。
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引用次数: 17
A hybrid and energy saving approach for hierarchical routing protocol using SEP-VD 一种基于SEP-VD的混合节能分层路由协议
Proshikshya Mukherjee, Tapaswini Samant, Trupti Mayee, Tanmaya Swain, A. Datta
A Wireless Sensor Network (WSN) plays a very important role within the future wireless communication domain due to its intelligence, low cost and small size. With the wireless interfaces, these will communicate with one another just in case of cooperative communication in single or multiple hops. Multiple nodes are required for co-operative communication where the Stable Enable Protocol (SEP) and SEP — Vector Quantization (SEP-V) is used for cluster and active cluster head (CH) formation. Further Dijkstra Algorithm is used to find the shortest path between the active cluster heads (CHs) and high energy utilization respectively. The main issue of inter-cluster communication is carried out in earlier work using SEP and SEP-V protocols. The proposed work illustrates the SEP-Vector Quantization Dijkstra (SEP-VD) protocol, for shortest path active cluster head (CH) communication on a Cooperative communication network. From the applications point of view, SEP-VD determines the lowest energy path. SEP-V provides the intra-cluster communication between the cluster head and nodes. Using Dijkstra's Algorithm, the minimum distance is calculated connecting the active cluster heads which creates the shortest path resulting in energy efficient technique. Further the spectral distortion of the proposed technique has been analyzed for practical implementation.
无线传感器网络(WSN)以其智能化、低成本、体积小等优点在未来的无线通信领域中占有重要的地位。有了无线接口,它们就可以在单跳或多跳合作通信的情况下相互通信。协作通信需要多个节点,其中稳定启用协议(SEP)和SEP-矢量量化(SEP- v)用于集群和活动簇头(CH)的形成。进一步利用Dijkstra算法分别寻找活跃簇头和高能量利用率簇头之间的最短路径。集群间通信的主要问题是在早期的工作中使用SEP和SEP- v协议进行的。提出的工作演示了sep -矢量量化Dijkstra (SEP-VD)协议,用于协作通信网络上的最短路径主动簇头(CH)通信。从应用的角度来看,SEP-VD确定了最低能量路径。SEP-V提供集群头和节点之间的集群内部通信。利用Dijkstra算法计算活跃簇头之间的最小距离,从而产生最短路径,从而实现节能技术。进一步分析了该技术在实际应用中的频谱畸变。
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引用次数: 3
期刊
2017 1st International Conference on Electronics, Materials Engineering and Nano-Technology (IEMENTech)
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