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2017 3rd International Conference on Computational Intelligence & Communication Technology (CICT)最新文献

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Double fault tolerant full adder design using fault localization 双容错全加法器的故障定位设计
Pankaj Kumar, R. Sharma
In the era of advanced microelectronics, rate of chip failure is increased with increased in chip density. A system must be fault tolerant to decrease the failure rate. The presence of multiple faults can destroy the functionality of a full adder and there is a trade-off between number of fault tolerated and area overhead. This paper presents an area efficient fault tolerant full adder design that can repair single and double fault without interrupting the normal operation of a system. In this approach, self checking full adder is used detecting the fault based on internal functionality. This makes the method efficient in term of area and number of fault tolerated when compared to the existing designs.
在先进微电子时代,芯片的故障率随着芯片密度的增加而增加。系统必须具备容错能力,以降低故障率。多个故障的存在可能会破坏全加法器的功能,并且在容错数量和面积开销之间存在权衡。本文提出了一种区域高效容错全加法器的设计方案,可以在不中断系统正常运行的情况下修复单故障和双故障。该方法采用自检全加法器,基于内部功能检测故障。与现有的设计相比,该方法在容错面积和容错数量方面是有效的。
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引用次数: 5
Indexing optimizations on Hadoop Hadoop上的索引优化
Neha Bagwari, O. Kumar
Hadoop is an efficient open source framework to store and process the big data. Its component HDFS stores data in distributed manner preserving its consistency and availability while MapReduce is responsible for parallel processing. Hadoop fits best for fault tolerant storage and batch processing but searching is not optimized in Hadoop as it stores data in the form of blocks. It lacks in optimized index design leading to costly searching mechanism. To deal with this various indexing approaches have been proposed as an improvement in Hadoop architecture. In most of the approaches, MapReduce typically generates index at run time to process the data distributed across the cluster. This paper compares the existing indexing approaches and proposes a new index creation and storage technique for Hadoop eco system which will lead to better search results in Hadoop environment.
Hadoop是一个高效的开源框架,用于存储和处理大数据。它的组件HDFS以分布式方式存储数据,保持数据的一致性和可用性,而MapReduce负责并行处理。Hadoop最适合容错存储和批处理,但搜索在Hadoop中没有优化,因为它以块的形式存储数据。它缺乏优化的索引设计,导致搜索机制成本高。为了解决这个问题,人们提出了各种索引方法作为Hadoop架构的改进。在大多数方法中,MapReduce通常在运行时生成索引来处理分布在集群中的数据。本文比较了现有的索引方法,提出了一种新的Hadoop生态系统索引创建和存储技术,从而在Hadoop环境下获得更好的搜索结果。
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引用次数: 1
Exploring the potential of tangible user interface in classroom teaching — Learning 探索有形用户界面在课堂教学中的潜力-学习
S. Devi, S. Deb
Technology driven modern education system highly depends on the devices which is not an exception in the classrooms. These technological advancements pave new opportunities for creating innovative methods of collaboration depending on gesticulations, body-movements and management of real-objects enhancing higher degree of engagement in classroom. Tangible user interfaces can be noteworthy to the educational environment by empowering the students to interact with virtual objects augmented with the computing power. In this paper, we proposed a system specifying how TUI can be a better alternative in regular classroom teaching learning and explore various possibilities of TUI that can enhance the learning outcome with spontaneous learning zeal. The system also outlines the solution to various problems associated with quality learning in elementary classes. Investigative, design engrossed studies have shown that TUI's offer educational aids, due to the added haptic dimension, shared-space and improved approachability which could be used effectively in collective circumstances.
技术驱动的现代教育系统高度依赖于设备,课堂教学也不例外。这些技术进步为创造基于手势、身体动作和真实物体管理的创新协作方法铺平了新的机会,从而提高了课堂参与度。有形的用户界面可以通过赋予学生与增强了计算能力的虚拟对象进行交互而引起教育环境的注意。在本文中,我们提出了一个系统,说明了TUI如何成为常规课堂教学学习的更好选择,并探索了TUI的各种可能性,以提高自发学习热情的学习效果。该系统还概述了与小学课堂质量学习相关的各种问题的解决方案。调查研究表明,由于增加了触觉维度,共享空间和改进的可接近性,TUI提供了教育辅助,可以在集体环境中有效地使用。
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引用次数: 3
Simulation of negative phase sequence relay based on phase sensitive rectification 基于相敏整流的负相序继电器仿真
Ayan Kumar Tudu, P. Kundu
According to symmetric component theory, negative phase sequence in induction motors is caused due to unbalanced windings or due to the application of unbalanced supply voltages on the stator terminals. A magnetic field is created by this negative phase sequence component and this field rotates in the opposite direction causing a decrease in the motor output torque. In this article, a novel negative phase sequence detector for relaying for motor/generator protection and motor condition monitoring is proposed without using any negative sequence filter. In the proposed scheme, a phase sensitive rectification has been used for extraction resistive and reactive components of negative phase sequence current. A Matlab Simulink model has been developed to simulate the performance of phase sensitive rectification (PSR) and necessary computation of rms value of negative sequence component.
根据对称分量理论,异步电动机中的负相序是由绕组不平衡或定子端施加不平衡电源电压引起的。磁场由负相序分量产生,该磁场沿相反方向旋转,导致电机输出转矩减少。本文提出了一种不使用任何负序滤波器的用于电机/发电机保护和电机状态监测的继电保护负相序检测器。在该方案中,采用相敏整流法提取负相序电流中的电阻和无功分量。建立了Matlab Simulink模型,模拟了相敏整流(PSR)的性能和负序分量均方根值的计算。
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引用次数: 1
Recent advancements in techniques to suppress surface wave propagation in microstrip patch antenna 抑制微带贴片天线表面波传播技术的最新进展
Manidipa Roy, A. Mittal
The microstrip patch antenna is extensively used in wireless communication purposes because of its compact size, planar design and economical aspects. Inspite of providing the designer the above mentioned advantages, the antenna suffers from serious hindrances of surface wave propagation and polarization mismatch. In this paper design techniques have been summarized for suppression of surface waves in microstrip patch antenna. Artificial dielectrics designed using EBGs have been proposed. The EBG structures thus proposed can be most suitable to suppress surface wave reduction.
微带贴片天线以其体积小、平面设计和经济等优点在无线通信领域得到了广泛的应用。尽管为设计者提供了上述优点,但天线存在严重的表面波传播障碍和极化失配问题。本文综述了微带贴片天线中抑制表面波的设计技术。已经有人提出用EBGs设计人工电介质。由此提出的EBG结构最适合抑制表面波的减少。
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引用次数: 7
Encryption algorithm using dual modulus 加密算法采用对偶模
Manu, Aarti Goel
Dual modulus play important role in increasing the complexity of decomposing values into factors as compared to single modulus. This paper is based on RSA algorithm. Proposed encryption algorithm is more secure as compared to RSA algorithm since it uses dual modulus. This algorithm uses double encryption and decryption using double private and public keys to provide security against Brute-force attacks. Therefore, if an intruder detects a single key of cryptosystem even then it is not possible to decrypt the message. The basic motivation behind this paper is that in conventional RSA algorithm if we can factor modulus (n) into its prime numbers then we can generate private key. So in order to remove this weakness we can use dual modulus and improve the security of the system substantially.
与单模相比,双模在增加分解因子的复杂性方面发挥了重要作用。本文是基于RSA算法的。所提出的加密算法由于使用了对偶模,因此与RSA算法相比具有更高的安全性。该算法使用双私钥和双公钥进行双重加密和解密,以防止暴力攻击。因此,如果入侵者检测到密码系统的单个密钥,则不可能解密消息。本文背后的基本动机是,在传统的RSA算法中,如果我们可以将模数(n)分解成它的素数,那么我们就可以生成私钥。为了克服这一弱点,我们可以采用对偶模,大大提高系统的安全性。
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引用次数: 8
Classification optimization using PSO-SSO based support vector machine 基于PSO-SSO的支持向量机分类优化
L. Gagnani, K. Wandra, H. Chhinkaniwala
Classification is one of the widely used technique for data mining of dataset and is done using soft computing approach. Here a novel method called SSO-ELS is proposed for classification of datasets. In this method there is hybridization of Simplified Swarm Optimization (SSO) with ELS (Exchange Local Search), Particle Swarm Optimization (PSO) and Support Vector Machines(SVM) approach. This is done to resolve the issue of selection of hyper parameters in SVM. The selection of hyper parameters in SVM plays a crucial rule which is done by the PSO-SSO approach. This approach has two phases: In first phase best initial parameters of SVM are calculated using SSO with ELS approach and then the best parameters are fed into SVM using PSO in second phase. Brief review of classification methods is discussed. Experiments on UCI datasets indicate that the proposed SSO-PSO-SVM achieves better results than CS-PSO-SVM with respect to classification accuracy and F-measure.
分类是数据集挖掘中应用最广泛的技术之一,采用软计算方法进行分类。本文提出了一种新的数据集分类方法——SSO-ELS。该方法将简化群算法与ELS (Exchange Local Search)、粒子群算法(Particle Swarm Optimization, PSO)和支持向量机算法(Support Vector Machines, SVM)相结合。这样做是为了解决支持向量机的超参数选择问题。支持向量机中超参数的选择起着至关重要的作用,而PSO-SSO方法就是其中的关键。该方法分为两个阶段:第一阶段采用单点登录和ELS方法计算支持向量机的最佳初始参数,第二阶段采用粒子群算法将最佳参数输入支持向量机。简要回顾了分类方法。在UCI数据集上的实验表明,本文提出的SSO-PSO-SVM在分类精度和f测度方面都优于CS-PSO-SVM。
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引用次数: 1
Sequential square root filtering for measuring tractor driving wheel slip rate 测量拖拉机驱动轮滑移率的序贯平方根滤波
Cao Mei, Z. Li
Adaptive sequential square root Kalman filtering (ASSRKF) algorithm is purposed to measure slip rate of wheel tractor online. The filtering process is formulated as a process of recursive the Kalman state model, where signals from wheel speed sensors, angular acceleration, GPS and accelerometer are fused. The principal advantages of combining sequential processing with square root algorithm are enhancing numerical accuracy and lowering storage requirements, thus removing the limitation of the computing capabilities of the embedded control system on the Kalman filter algorithm. On the basis of the sequential square root algorithm, the paper further propose formulas for the parallel fusion of data and adaptive filtering, so that the phenomenon of covariance matrix being unable to be inversed is avoided and real-time wheel slip rate can be obtained without the statistical law of the prior error. Both the simulation and the experimental results indicate that those presented in this paper are efficient.
自适应序列平方根卡尔曼滤波(ASSRKF)算法旨在在线测量轮式拖拉机的滑移率。将轮速传感器信号、角加速度信号、GPS信号和加速度传感器信号进行融合,将滤波过程表述为递归卡尔曼状态模型。顺序处理与平方根算法相结合的主要优点是提高了数值精度和降低了存储要求,从而消除了嵌入式控制系统计算能力对卡尔曼滤波算法的限制。在序贯平方根算法的基础上,进一步提出了数据并行融合和自适应滤波的计算公式,避免了协方差矩阵无法反演的现象,可以在不受先验误差统计规律影响的情况下获得实时轮滑率。仿真和实验结果表明,本文提出的算法是有效的。
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引用次数: 0
Optimization of benchmark functions using a nature inspired bird swarm algorithm 利用自然启发的蜂群算法优化基准函数
M. Parashar, Swati Rajput, H. Dubey, M. Pandit
This paper presents a new powerful Bird Swarm Algorithm (BSA) for optimization. BSA basically works on the swarm intelligence and interactions among the birds. The concept behind this algorithm is the exploitation and exploration of optimum solution for a given problem based on foraging, vigilance and flight behavior. Formulation of BSA includes four search strategies associated with five simplified rules. Mathematically models the behavior of bird swarm is utilized for solution of various mathematical functions. To validate the effectiveness of BSA simulations have been performed on various numerical functions and ELD problems. The results obtained by BSA have been also compared with other Nature-Inspired algorithms. The performance of BSA on the convergence rate to obtain the optimal result on changing the parameter is also observed. Statistical comparison of results affirms the superiority of BSA over other algorithms reported in recent literatures.
提出了一种新的强大的优化算法——蜂群算法(BSA)。BSA主要研究群体智能和鸟类之间的互动。该算法背后的概念是基于觅食、警戒和飞行行为对给定问题的最佳解决方案进行开发和探索。BSA的构建包括与5条简化规则相关联的4种搜索策略。利用鸟群行为的数学模型求解各种数学函数。为了验证该方法的有效性,对各种数值函数和ELD问题进行了仿真。并与其他自然启发算法的结果进行了比较。还观察了在改变参数时BSA对收敛速度的影响,以获得最优结果。结果的统计比较证实了BSA优于近期文献报道的其他算法。
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引用次数: 8
A compressed LSB steganography method 一种压缩LSB隐写方法
N. Akhtar, Vasim Ahamad, Hira Javed
A least significant bit (LSB) Steganography is mainly characterized by its hiding capacity and imperceptibility which is measured by Peak Signal to Noise Ratio (PSNR). There is a trade-off between these two factors. In this paper, an improved LSB Steganography which uses modulus function for data hiding method has been proposed and implemented which is better than previous methods in imperceptibility keeping the hiding capacity same. The proposed Steganography method breaks the secret data into two components. Each component is hidden into cover image pixels using modulo function. Repetition in secret data component is also considered. Results show that the proposed method is better than existing methods unless there is high randomness in secret data.
最低有效位(LSB)隐写术的主要特点是其隐藏能力和不可感知性,这是用峰值信噪比(PSNR)来衡量的。这两个因素之间存在权衡。本文提出并实现了一种改进的LSB隐写方法,该方法使用模函数进行数据隐藏,在保持隐藏容量不变的情况下,其隐蔽性优于以往的方法。提出的隐写方法将秘密数据分解为两个部分。利用模函数将各分量隐藏到封面图像像素中。同时还考虑了秘密数据成分中的重复。实验结果表明,在保密数据具有高度随机性的情况下,该方法优于现有方法。
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引用次数: 12
期刊
2017 3rd International Conference on Computational Intelligence & Communication Technology (CICT)
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