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2014 IEEE International Conference on Computational Intelligence and Computing Research最新文献

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Lifetime maximization of wireless sensor networks using energy-efficient cluster formation strategy 基于高能效集群形成策略的无线传感器网络寿命最大化
M. Praveen, T. Senthil
Wireless Sensor Networks is a Wireless network consists of a Base Station (BS) and more number of wireless sensors inorder to monitor temperature, pressure, motion etc., in different environment conditions. Number of sensor nodes located geographically nearer to form a group called cluster to co-operately processing the data. LEACH (Low Energy Adaptive Clustering Hierarchy) is a routing protocol for clusters which is used to lower the energy consumption and also to improve the lifetime of the wireless sensor networks. Minimizing energy dissipation and maximizing network lifetime are important issues in the design of applications and protocols for sensor networks. The proposed system is to maximize the lifetime of the wireless sensor networks by selecting the farthest cluster head instead of the closest cluster head and forming the cluster by considering the following metrices such as Residual-Energy, Intra-Cluster Distance and Node Density. We use ABC (Artificial Bees Colony) Optimization Technique to enhance the network lifetime and energy consumption of the network.
无线传感器网络是由一个基站(BS)和多个无线传感器组成的无线网络,用于监测不同环境条件下的温度、压力、运动等。地理位置较近的传感器节点组成一组,称为集群,共同处理数据。LEACH (Low Energy Adaptive Clustering Hierarchy)是一种用于集群的路由协议,用于降低无线传感器网络的能量消耗并提高其生存期。最小化能量消耗和最大化网络寿命是传感器网络应用和协议设计中的重要问题。该系统通过选择最远的簇头而不是最近的簇头,并考虑剩余能量、簇内距离和节点密度等指标来组成簇,从而最大化无线传感器网络的生存期。我们采用人工蜂群优化技术来提高网络的生存期和能量消耗。
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引用次数: 4
Implementation of efficient automatic traffic surveillance using digital image processing 利用数字图像处理实现高效的自动交通监控
S. Saravanan
This paper demonstrates the automated traffic surveillance without any human intervention. The aim of this paper is to detect the traffic density and to work according to the traffic density. The traffic signal is structured with the camera which takes the snap of the road and the density is identified. Hence by this method the traffic is analyzed and the lights are transferred according to the traffic density. The number of objects present in the roads will be identified and those numbers are transmitted to the micro controller. The micro controller controls the traffic signal and the varied time is displayed in the 7 segment display. By this a dynamic approach is being followed to minimize the traffic delay and effectively commute even in heavy traffic scenarios. The primary aim is to eliminate waiting time, during peak hours. Some added advantage that are to be implemented are dealing at the time of unusual situation such as emergency vehicles like ambulances, patrol vehicles, fire engines etc., Time is varied in propotional to the traffic density. Using this model will eliminate unwanted waiting time in peak traffic hours. Single camera is used in determining density of the traffic which will reduce the cost of implementing.
本文介绍了无人干预的自动交通监控系统。本文的目的是检测交通密度,并根据交通密度进行工作。交通信号是由摄像头组成的,摄像头拍摄道路并识别密度。因此,通过该方法对交通进行分析,并根据交通密度进行交通灯的转换。道路上存在的物体数量将被识别,并将这些数字传输到微控制器。微控制器控制交通信号,并在7段显示器中显示变化的时间。通过这种动态方法,即使在交通繁忙的情况下,也可以最大限度地减少交通延误和有效地通勤。主要目的是减少高峰时段的等候时间。一些附加的优势是在紧急情况下处理,如救护车、巡逻车、消防车等,时间随交通密度而变化。使用这个模型可以减少交通高峰时段不必要的等待时间。采用单摄像机确定交通密度,降低了实施成本。
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引用次数: 5
Study and theoretical investigations on PCOS 多囊卵巢综合征的研究与理论研究
S. Sheela, M. Sumathi
Poly Cystic Ovary Syndrome (PCOS) is an endocrine disorder affecting many women in their reproductive age groups related with these problems of infertility, diabetes mellitus and cardiovascular disease. Diagnosis of the condition is mostly done by imaging parameters. Ultrasound imaging has become a very important technology in diagnosis of PCOS. Due to overlapping of the follicles, inherent noise of the equipment and lack of operator knowledge as it is largely an experience dependent procedure, the characteristic appearance of the image becomes more challenging and making the diagnosis process time consuming. Due to the above factors, accuracy in detection of cysts is affected. Therefore, the Early as well as Accurate Detection of Abnormalities in Women's Reproductive System is required before the treatment process, to avoid Infertility. This paper overviews various methodologies proposed so far in terms of removal of speckle noise, extraction of region of interest using segmentation, classification of images so as to achieve maximum accuracy in detection of cyst in short period of time.
多囊卵巢综合征(PCOS)是一种影响许多育龄妇女的内分泌紊乱,与不孕症、糖尿病和心血管疾病有关。这种疾病的诊断主要是通过影像学参数来完成的。超声成像已成为多囊卵巢综合征诊断的重要技术手段。由于毛囊的重叠,设备固有的噪声以及操作员缺乏知识(很大程度上依赖于经验),图像的特征外观变得更具挑战性,使得诊断过程耗时。由于上述因素,影响了囊肿检测的准确性。因此,在治疗过程中需要早期准确地发现女性生殖系统异常,以避免不孕。本文综述了目前提出的各种方法,包括去除斑点噪声、利用分割提取感兴趣区域、图像分类等,以期在短时间内达到最大的囊肿检测精度。
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引用次数: 4
Evolutionary genetic algorithm for encryption 加密的进化遗传算法
W. Alsharafat
Encryption is a fundamental mechanism for protecting information since the significant of security is increasing nowadays. Different evolutionary methods have been adapted to satisfy high level of security. Genetic algorithm is an exploration and evolutionary algorithm which based on natural selection which optimizing problem solution and to be away from producing one ciphertext for the same plaintext. Therefore, the attempts of attack, as ciphertext attack, will be reduced if not eliminated. In this paper, GA as evolutionary algorithm will be employed in a symmetric encryption and decryption where the user's message which represents plaintext and user secret data, key, will be transferred into ciphertext by applying crossover and mutation beside substitution function.
在信息安全日益重要的今天,加密是信息保护的一种基本机制。为了满足高水平的安全性,已经采用了不同的进化方法。遗传算法是一种基于自然选择的探索进化算法,它优化问题的解,避免对同一明文产生一种密文。因此,像密文攻击一样的攻击尝试即使不能完全消除,也会减少。本文将遗传算法作为一种进化算法应用于对称的加解密中,将代表明文的用户消息和用户秘密数据密钥通过替换函数的交叉和变异转换为密文。
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引用次数: 3
Design of damping controller for multimachine power system by using simplified swarm optimization 基于简化群算法的多机电力系统阻尼控制器设计
Baibhav Bishal, B. Soni, Akash Saxena, Vikas Gupta
This paper presents design of Power System Stabilizer (PSS) by using Simplified Swarm Optimization (SSO). PSS is a useful device to enhance the system damping and small signal stability of the power system. PSS design problem is an optimization problem. From the optimization process proper set of gain and time constants are calculated. Proper tuning of the parameters provides adequate amount of damping to the system. This paper presents a swarm based algorithm to address the above said optimization process. Objective function based on speed deviations is employed to calculate the parameters of PSSs of New England System (10 Generator & 39 Bus). To present a meaningful analysis the comparison of SSO is done with conventional optimization algorithms namely Particle Swarm optimization (PSO) and Genetic Algorithm (GA). Robustness of proposed method is tested over different type of perturbations, fault locations and loading conditions.
本文提出了一种基于简化群算法的电力系统稳定器设计方法。PSS是提高电力系统阻尼和小信号稳定性的有效装置。PSS设计问题是一个优化问题。从优化过程中计算出适当的增益和时间常数。适当调整参数可为系统提供足够的阻尼。本文提出了一种基于群体的算法来解决上述优化过程。采用基于速度偏差的目标函数计算新英系统(10发电机+ 39母线)的pss参数。将单点登录算法与粒子群算法和遗传算法进行了比较分析。测试了该方法在不同扰动类型、故障位置和载荷条件下的鲁棒性。
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引用次数: 2
State estimation of a nonlinear system using particle filter 基于粒子滤波的非线性系统状态估计
K. Anandhakumar, I. Ali, K. Selvakumar, K. Raja
In this paper, Particle Filter algorithm has been employed for estimating the states namely concentration and temperature of a Continuous Stirred Tank Reactor (CSTR) and simulation results are presented. The propagation of particles through the nonlinear system model for the state estimation has been discussed. The states of the system are estimated by using the Particle Filter algorithm under the steady state as well as transient system conditions. A step change in the coolant flow rate has been introduced in order to provide a dynamic operating point.
本文将粒子滤波算法应用于连续搅拌槽式反应器(CSTR)的浓度和温度状态估计,并给出了仿真结果。讨论了用非线性系统模型进行状态估计的粒子传播问题。在稳态和暂态条件下,采用粒子滤波算法对系统状态进行估计。为了提供一个动态工作点,引入了冷却剂流量的阶跃变化。
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引用次数: 0
Comparative analysis of digital image stabilization by using empirical mode decomposition methods 经验模态分解方法在数字稳像中的应用对比分析
Neha Kottawar, D. J. Tuptewar
In this paper comparative analysis of digital image stabilization (DIS) is proposed. For comparison purpose Basic Empirical Mode Decomposition (EMD), Improved EMD, Ensemble Empirical Mode Decomposition (EEMD) and Complete Ensemble Empirical Mode Decomposition (CEEMD) methods are considered. Method used for digital image stabilization is of fully data driven approach. With the comparative analysis best version of the EMD for DIS on the basis of low RMSE error is decided. The concept used to determine jitter is high frequency and low amplitude property. Combination of each EMD method and Hilbert Transform is used for the analysis. Various methods of EMD give the different results the better method for digital image stabilization is decided and parameters of EEMD and CEEMD method are globalised.
本文对数字稳像(DIS)技术进行了比较分析。为了比较基本经验模态分解(EMD)、改进经验模态分解(EMD)、集成经验模态分解(EEMD)和完全集成经验模态分解(CEEMD)方法。采用全数据驱动的数字稳像方法。通过比较分析,确定了在低均方根误差基础上的DIS最佳EMD版本。用来确定抖动的概念是高频低幅特性。将各种EMD方法与希尔伯特变换相结合进行分析。不同的EMD方法得到了不同的结果,确定了较好的数字稳像方法,并对EEMD和CEEMD方法的参数进行了全局化。
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引用次数: 3
Matrix converter based solar photo voltaic system for reactive power compensation using sinusoidal pulse width modulation 基于矩阵变换器的太阳能光伏系统无功补偿采用正弦脉宽调制
K. Raja, K. Vijayakumar, S. Kannan
Reactive power is a subject of great concern for the operation of Alternating Current (AC) power systems. It has always been a challenge to obtain the balance between a minimum amount of reactive power flow to maximize capacity for active power flow and a sufficient amount of reactive power flow to maintain a proper system voltage profile. This work mainly deals with the compensation of reactive power by using Solar Photovoltaic Power System. Single-phase matrix converter is used for developing AC voltage. Single-phase matrix converter can be used as a Rectifier and as an Inverter. The same system could be used for real power exchange utilizing free energy (Solar) thus minimizing the utility power supply. Bidirectional energy flow is possible with matrix converter for battery charging. Use of matrix converter improves the quality of output voltage with reduced Total Harmonic Distortion. Sinusoidal Pulse Width Modulation (SPWM) is used for generating pulses to the matrix converter. Digital control of proposed real and reactive power compensation improves the overall efficiency of the system and reliability.
无功功率是影响交流电力系统运行的一个重要问题。如何在使有功功率容量最大化的最小无功功率流和维持适当系统电压分布的足够无功功率流之间取得平衡一直是一个挑战。本文主要研究利用太阳能光伏发电系统对无功功率进行补偿。交流电压的产生采用单相矩阵变换器。单相矩阵变换器既可用作整流器,也可用作逆变器。同样的系统可以用于利用自由能源(太阳能)的实际电力交换,从而最大限度地减少公用事业电力供应。利用矩阵变换器可以实现电池充电时的双向能量流动。矩阵变换器的使用降低了总谐波失真,提高了输出电压的质量。正弦脉宽调制(SPWM)用于向矩阵变换器产生脉冲。所提出的有功和无功补偿的数字控制提高了系统的整体效率和可靠性。
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引用次数: 0
Modeling causally dependent events using fuzzy cognitive maps 使用模糊认知图建模因果依赖事件
R. Sarala, G. Zayaraz, V. Vijayalakshmi, R. Sivaranjani
The increase in the number of security breaches has made information security risk management an essential security activity for all type of organizations. Risk Management involves assessment involves identification of assets, threats and vulnerabilities. Attacks by outsiders continue to cause the most security breaches to all organizations. Existing approaches like attack graph based risk assessment have scalability issues and focus on only single step attacks. It is very difficult to predict multistep attacks that exploit a chain of vulnerabilities. The multistep attacks are based on the causality of relation where every cause has an effect. Causality refers to a cause i.e. one event and consequences i.e. another event that has occurred because of the cause. The proposed system aims to make use of fuzzy cognitive maps to model the causally dependent events. Fuzzy cognitive map is a concrete representation of knowledge that can handle incomplete or conflicting information. This is very important in risk assessment because important information may be unreliable as they may be a result of unreliable measurement techniques. The proposed system will aid in proactive information security risk assessment.
安全漏洞数量的增加使得信息安全风险管理成为所有类型组织的基本安全活动。风险管理涉及评估,涉及识别资产、威胁和弱点。外部攻击仍然是所有组织中最严重的安全漏洞。现有的方法,如基于攻击图的风险评估,存在可伸缩性问题,并且只关注单步攻击。很难预测利用一系列漏洞的多步攻击。多步骤攻击是基于关系的因果关系,其中每个原因都有结果。因果关系指的是原因,即一个事件和结果,即由于原因而发生的另一个事件。该系统旨在利用模糊认知图对因果依赖事件进行建模。模糊认知地图是一种知识的具体表示,可以处理不完整或冲突的信息。这在风险评估中非常重要,因为重要的信息可能是不可靠的,因为它们可能是不可靠的测量技术的结果。拟议的系统将有助于进行主动的信息安全风险评估。
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引用次数: 0
Energy aware load balancing for computational cloud 计算云的能量感知负载平衡
A. Florence, V. Shanthi
Cloud computing is novel technology, which enables any resource as service on demand. Cloud environment motivates highly dynamic resource provisioning. Hence clients can scale up or scale down their requirements as per their demand. Load balancing is very important and complex problem in cloud environment, because of its heterogeneity of the computing nodes. In order to realize the full potential of cloud computing it is vital to minimize energy consumption along with effective load balancing. The aim of Energy Aware Load Balancing (EALB) model is to minimize energy consumption with load balancing. EALB model classifies the incoming job request either CPU bound or I/O bound according to their purpose and behaviour. This classification details are maintained in a table named Pattern History Table (PHT) and organized as hash table. One of the virtual machine (VM) is selected dynamically based on best fit allocation policy and the job is assigned to the victimized VM. From the pattern history table job's nature is identified. Using Dynamic Voltage Frequency Scaling (DVFS) scheme the selected VM's processor clock frequency is increased if it is found CPU bound else decreased (I/O bound). Thus, EALB algorithm saves considerable amount of energy and proves to be more efficient.
云计算是一种新颖的技术,它使任何资源都能按需提供服务。云环境激发了高度动态的资源配置。因此,客户可以根据他们的需求增加或减少他们的需求。由于计算节点的异构性,负载均衡是云环境中一个非常重要而复杂的问题。为了充分发挥云计算的潜力,最小化能源消耗以及有效的负载平衡至关重要。能量感知负载均衡(EALB)模型的目标是通过负载均衡使能耗最小化。EALB模型根据传入作业请求的目的和行为,对传入作业请求进行CPU绑定或I/O绑定的分类。这些分类细节保存在一个名为Pattern History table (PHT)的表中,并组织为散列表。根据最佳匹配分配策略动态选择一个虚拟机,并将任务分配给受害虚拟机。从模式历史表作业的性质被识别出来。使用动态电压频率缩放(DVFS)方案,如果发现CPU绑定或降低(I/O绑定),则所选VM的处理器时钟频率将增加。因此,EALB算法节省了大量的能量,并且被证明是更高效的。
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引用次数: 5
期刊
2014 IEEE International Conference on Computational Intelligence and Computing Research
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