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2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT)最新文献

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Secure optimal routing protocol in MANETs manet中安全的最优路由协议
M. Bhuvaneswari, Dinesh Naik
MANET consists of the number of mobile nodes that form a wireless communication. MANETs are self configuring network where the nodes can move freely and randomly. It can dynamically join the network and leave the network at any time. It is widely used in industrial and commercial applications like vehicular communication, agricultural needs and disaster management, etc. There are studies based on routing protocols in MANETs to improve their quality and efficiency of the protocols. However, there may lot of research about routing protocols, always it lacks in security. The proposed algorithm uses public key cryptographic technique to make the protocol more secure. Cryptography provides more secure and optimal transactions.
MANET由形成无线通信的多个移动节点组成。manet是一种节点可以自由、随机移动的自配置网络。它可以随时动态加入网络和离开网络。它广泛应用于工业和商业应用,如车辆通信,农业需求和灾害管理等。为了提高路由协议的质量和效率,人们开展了基于路由协议的研究。然而,尽管对路由协议的研究很多,但在安全性方面一直存在不足。该算法采用公钥加密技术,提高了协议的安全性。密码学提供了更安全、更优的交易。
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引用次数: 6
State estimation of yeast galactose pathway using extended Kalman filter 基于扩展卡尔曼滤波的酵母半乳糖通路状态估计
Swati Dhobaley, Prashant Bhopale
Biological Systems pertain to problems relative to disturbances, since various outputs (Proteins, Signals, Polymer Complexes etc.) are usually adulterated due to extrinsic and intrinsic uncertainties. Thus, standard estimation processes turns out significant in such scenarios where states/parameters could be estimated in order to accurately define the measurements. In this paper, a standard Extended Kalman filtering (EKF) approach has been implemented in order to estimate the states of a yeast galactose pathway, operating in constantly changing sources of nutrients.
生物系统涉及与干扰有关的问题,因为各种输出(蛋白质、信号、聚合物复合物等)通常由于外在和内在的不确定性而掺假。因此,在可以估计状态/参数以准确定义测量的情况下,标准估计过程变得非常重要。在本文中,一个标准的扩展卡尔曼滤波(EKF)方法已经实现,以估计酵母半乳糖途径的状态,在不断变化的营养来源操作。
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引用次数: 0
Modeling of DFIG for the variable speed wind turbine 变速风力机DFIG的建模
M. Kowsalya, Sumanth Srinivas Gaurav, B. T. Rao, M. Hareesh
This paper displays the elements demonstrating of variable speed wind turbine utilizing Matlab/ Simulink. To join the element demonstrating of DFIG under variable loads on variable wind speed model is given by gust, ramp, noise and step parts. The greatest power extracted from the wind Generator from Cp, β characteristics. The variable wind turbine is joined with DFIG. The yielded output of DFIG is connected to the grid.
本文利用Matlab/ Simulink对变速风力发电机的原理进行了演示。在变风速模型上分别给出了阵风、坡道、噪声和台阶部分加入变荷载作用下DFIG的单元论证。从风力发电机中提取的最大功率来自Cp、β特性。可变风力机与DFIG相连接。DFIG的输出与电网相连。
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引用次数: 6
Pulse train generation for a pulsed gyrotron using LabVIEW 基于LabVIEW的脉冲回旋管脉冲序列生成
Dhiraj Gurale, S. P. Mohani, N. Nayek, Subrata Das
A cost effective pulse control system is being envisaged at SAMEER (Society for Applied Microwave Electronics Engineering and Research) for pulsed gyrotrons. The system has been designed using National Instruments LabVIEW. The user can set and control the repetition frequency and widths of magnet high-current and gun high-voltage pulses during the operation. This paper explains the design and development details.
SAMEER(应用微波电子工程与研究学会)正在设想一种具有成本效益的脉冲回旋管脉冲控制系统。系统采用美国国家仪器公司的LabVIEW进行设计。用户可以设置和控制磁铁大电流和枪高压脉冲在运行过程中的重复频率和宽度。本文阐述了该系统的设计和开发细节。
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引用次数: 0
Simultaneous and dynamic location updatiion and call data synchronization in virtual global MANET 虚拟全局MANET中同步动态位置更新和呼叫数据同步
R. Reenu, P. Reji
MANETS are mobile Ad Hoc networks which are capable of changing their current position with respect to other devices. They do not have a fixed architecture. This paper focuses on creating a virtual global MANET by including the connectivity of more number of mobile nodes which can be extended by the means of a central server system. The server acts as a bridge in communicating with different devices connected by the internet connectivity. It performs and enables data communication among the devices that are connected in order to form the MANET. The application also focuses on a control over the MANET. It can control the communication among the nodes. Role Privilege Access Control algorithm is used to limit the access of the data communicated and exchanged through MANET to authorized users. The paper focuses on developing a costless platform android application and a web interface which enables communication of devices communicating with each other using internet connectivity. It also assigns a server system which enables communication among devices that are present in two different locations. Location update is enabled in which the location details of each and every node that are connected in the MANET and call data management is also implemented and restricted to users according to their privileges.
manet是移动自组织网络,能够根据其他设备改变其当前位置。它们没有固定的架构。本文的重点是创建一个虚拟的全球MANET,包括更多的移动节点的连接,可以通过中央服务器系统的方式进行扩展。服务器充当通过互联网连接的不同设备之间通信的桥梁。它执行并实现为了形成MANET而连接的设备之间的数据通信。该应用程序还侧重于对MANET的控制。它可以控制节点之间的通信。角色特权访问控制算法用于限制通过MANET通信和交换的数据对授权用户的访问。本文的重点是开发一个无成本的平台,android应用程序和一个web界面,使设备之间的通信能够使用互联网连接。它还分配了一个服务器系统,使位于两个不同位置的设备之间能够通信。启用位置更新,其中还实现了在MANET中连接的每个节点的位置详细信息和呼叫数据管理,并根据用户的权限对其进行限制。
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引用次数: 0
Secure energy efficient load balancing multipath routing protocol with power management for wireless sensor networks 安全节能负载平衡多路径路由协议与电源管理的无线传感器网络
M. Yuvaraju, K. Rani
Wired network nodes have direct connection with the power source. But wireless sensor nodes depend on the on-board battery for power. Two different things can be done to increase the operational lifetime of the WSN. First one is efficient energy utilization. Second one is attachment of power generating devices. This paper proceeds with efficient energy utilization by proposing a new multipath routing protocol called tS EL(Secure Energy Efficient Load Balancing Multipath Routing Protocol with Transmission Power Adjustment). Single path routing protocols may lead to holes in the network due to improper load distribution among the nodes. Multi path routing protocols will lead to better load balancing than single path routing protocols. tSEL protocol selects node disjoint multiple paths and shares load among the paths effectively by following a new load sharing mechanism. tS EL provides security through RS A public key algorithm and MD5 hash algorithm.
有线网络节点与电源有直接连接。但无线传感器节点依靠机载电池供电。可以做两件不同的事情来增加WSN的运行寿命。首先是高效的能源利用。二是发电装置的附件。本文从高效能源利用出发,提出了一种新的多路径路由协议tS EL(Secure energy efficient Load Balancing multi - path routing protocol with Transmission Power Adjustment)。单路径路由协议可能由于节点间负载分配不当而导致网络出现漏洞。多路径路由协议将比单路径路由协议带来更好的负载均衡。tSEL协议采用一种新的负载共享机制,选择节点不连接的多条路径,并在路径之间有效地分担负载。tls安全协议通过rsa公钥算法和MD5哈希算法提供安全性。
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引用次数: 7
Comprehensive study on fetal ECG extraction 胎儿心电图提取的综合研究
A. V. Rajesh, R. Ganesan
The most common type of defect with which babies are born is related to heart, nearly 1 out of every 100. A physician studies the electrical activity of the fetus's heart, by monitoring the fetal Electrocardiogram (fECG) collected at the time of pregnancy from mother's abdomen. Even though the signal acquisition and signal processing techniques has been made a great deal of progress, the extraction and analysis of Fetal ECG is still in its outset. Very low signal-to-noise ratio of the fetal ECG compared to the maternal ECG, is the biggest challenge faced by scientists working in this area. In this paper, we have reviewed a wide range of signal processing techniques for the extraction of fetal ECG, along with their shortcomings and advantages.
婴儿出生时最常见的缺陷类型与心脏有关,几乎每100人中就有1人患有心脏缺陷。医生通过监测怀孕时从母亲腹部采集的胎儿心电图(fECG)来研究胎儿心脏的电活动。尽管信号采集和信号处理技术已经取得了很大的进步,但胎儿心电信号的提取和分析仍处于起步阶段。胎儿心电图与母体心电图相比,信噪比非常低,这是该领域科学家面临的最大挑战。本文综述了胎儿心电信号提取的各种信号处理技术,以及它们的优缺点。
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引用次数: 5
Performance evaluation of bio-inspired optimization algorithms in resolving chromosomal occlusions 生物启发优化算法在解决染色体阻塞中的性能评价
R. Sivaramakrishnan, C. Arun
This work evaluates the performance of bio-inspired optimization algorithms in resolving occlusion in chromosomal images. The presence of occlusion hinders accurate identification and classification in automatic karyotyping and a manual intervention is needed to complete the procedure. For this reason, karyotyping is not completely automatic and a novel technique based on bio-inspired optimization algorithms is proposed to identify the individual chromosomes even in the presence of occlusion. The technique employs stochastic search algorithms including the Firefly algorithm (FA), Genetic algorithm (GA) and Particle swarm Optimization (PSO) in resolving occlusion, by starting with a random population of solutions from the image of occluded chromosomes and recursively doing operations borrowed from evolutionary methods and swarm intelligence, on the population. The hidden chromosomes are identified after a certain number of iterations. The technique performs well, even when 80% of the chromosome is occluded by the other. The performance of the stochastic search algorithms in resolving chromosomal occlusions is evaluated and FA gives superior results in identifying the occluded chromosomes.
这项工作评估了生物启发优化算法在解决染色体图像中的遮挡的性能。闭塞的存在妨碍了自动核型的准确识别和分类,需要人工干预才能完成这一过程。由于这个原因,核型并不是完全自动的,因此提出了一种基于生物启发优化算法的新技术,即使在存在遮挡的情况下也能识别单个染色体。该技术采用萤火虫算法(FA)、遗传算法(GA)和粒子群算法(PSO)等随机搜索算法来解决遮挡问题,从被遮挡染色体的图像中随机获取一组解,并对该种群进行借鉴进化方法和群体智能的递归操作。隐藏的染色体在一定次数的迭代后被识别出来。即使80%的染色体被另一条染色体遮挡,这项技术也表现良好。评估了随机搜索算法在识别染色体遮挡方面的性能,结果表明随机搜索算法在识别遮挡染色体方面具有较好的效果。
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引用次数: 2
Analysis of tubular heat exchangers for different flow patterns using finite element method 管式换热器不同流型的有限元分析
M. Dev Anand, I. Rohit
This paper presents an analysis of a shell and tube heat exchanger, carried out using a finite element method for the optimal design. The main objective in any heat exchanger design is the estimation of the minimum heat transfer area required for a given heat duty, as it governs the overall cost of the heat exchanger. Step by step on designing the software is build first to make the work on calculation easy and simple by using finite element method. Numbers of configurations are possible with various design variables such as outer diameter, pitch, and length of the tubes; tube passes; baffle spacing; baffle cut etc. Hence the engineer needs an efficient strategy in searching for the global minimum. Here the shell and tube line utilizes bare tube (straight and u-tubes), helical low-fin outside, longitudinal fins (inside & outside are available). These exchangers are suitable for a variety of applications and are offered in fixed tube sheets or removable bundles. A finite element model to predict temperature distribution in heat exchanger is reported. The predictions are in good agreement with available analytical solutions. The model can be effectively used to analyze and design heat exchangers with complex flow arrangements for which no regular design procedure is available. Illustrations are provided to explain the application of the method for the analysis of shell and tube heat exchangers.
本文采用有限元法对管壳式换热器进行了优化设计分析。任何热交换器设计的主要目标是估计给定热负荷所需的最小传热面积,因为它决定了热交换器的总体成本。首先建立了软件的分步设计,利用有限元法使计算工作简单易行。配置的数量可能与各种设计变量,如外径,节距和长度的管;管通过;挡板间距;挡板切割等。因此,工程师需要一种有效的搜索全局最小值的策略。这里的管壳线采用裸管(直管和u型管),螺旋低翅片外,纵翅片(内外均可)。这些交换器适用于各种应用,并提供固定管板或可移动束。本文提出了一种预测换热器内温度分布的有限元模型。预测结果与现有的解析解非常吻合。该模型可有效地用于复杂流场换热器的分析和设计。举例说明了该方法在管壳式换热器分析中的应用。
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引用次数: 0
Thermal analysis of energy efficient clock gated arithmetic logic unit on FPGA 基于FPGA的节能时钟门控算术逻辑单元热分析
Nidhi Gupta
This paper, deals with Thermal Analysis of Energy Efficient Clock Gated Arithmetic Logic Unit on FPGA for reduction of leakage power and total power consumption and it has been analyzed that there is reduction in Leakage Power when ambient temperature decreases from 50 degree Celsius to 20 degree Celsius. Virtex-6 is 40-nm FPGA, on which Thermal Analysis of Energy Efficient Clock Gated Arithmetic Logic Unit has been analyzed with device operating frequency is 1GHz. This reduction in leakage power is analyzed on arithmetic and logic unit with latch free clock gating technique and on arithmetic and logic unit with latch based clock gating technique. There is significant Leakage power reduction by varying ambient temperature. With Latch free clock gating technique in Low Power Arithmetic and Logic Unit the Contribution of leakage power was 1.327W, when Ambient Temperature is 50 degree Celsius, which is further reduced to 1.246W at 40 degree Celsius Ambient Temperature, 1.176W at 30 degree Celsius Ambient Temperature, 1.114W at 20 degree Celsius Ambient Temperature. With Latch based clock gating technique in Low Power Arithmetic and Logic Unit the Contribution of leakage power was 1.328W When Ambient Temperature is 50 degree Celsius, which is further reduced to 1.247W at 40 degree Celsius Ambient Temperature, 1.177W at 30 degree Celsius Ambient Temperature, 1.115W at 30 degree Celsius Ambient Temperature. So, there is reduction in leakage power in energy efficient arithmetic and logic unit.
本文对FPGA上的节能时钟门控算术逻辑单元进行了降低泄漏功率和总功耗的热分析,分析了当环境温度从50℃降低到20℃时,泄漏功率有所降低。Virtex-6是40nm的FPGA,在其上对器件工作频率为1GHz的节能时钟门控算术逻辑单元进行了热分析。对算法逻辑单元采用无锁存器时钟门控技术和算法逻辑单元采用基于锁存器的时钟门控技术降低泄漏功率进行了分析。通过改变环境温度,可以显著降低泄漏功率。在低功耗算术逻辑单元中采用无锁存时钟门控技术,当环境温度为50℃时,漏功率贡献为1.327W,在40℃环境温度下,漏功率贡献为1.246W,在30℃环境温度下,漏功率贡献为1.176W,在20℃环境温度下,漏功率贡献为1.114W。在低功耗算术逻辑单元中采用基于Latch的时钟门控技术,当环境温度为50℃时,漏功率贡献为1.328W,在40℃环境温度下,漏功率贡献为1.247W,在30℃环境温度下,漏功率贡献为1.177W,在30℃环境温度下,漏功率贡献为1.115W。因此,在节能的算法和逻辑单元中,漏电功率有所降低。
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引用次数: 1
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2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT)
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