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2016 10th International Conference on Intelligent Systems and Control (ISCO)最新文献

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Improved O-LEACH protocol: A clustering based approach in wireless microsensor network 改进的O-LEACH协议:一种基于聚类的无线微传感器网络方法
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7727015
Pooja, Surendra Singh
Wireless sensor network is one of the emerging technologies in wireless networks and communication. WSN composed of large number of small sensors which senses the physical situations occurred in the environment. For WSNs, energy efficiency is the main challenge and to create efficient networks, sophisticated routing algorithms are designed. Clustering algorithm is one of technique used in WSN to minimize the energy consumption but the major challenge in clustering algorithm is the selection of cluster head. In this paper, we will discuss about energy efficient routing protocol, Improved O-LEACH; which employs clustering algorithm. According to our proposed algorithm, the cluster is chosen on the bases of residual energy and the distance from the base station. On the basis of energy consumption and network lifetime we then compare the performance of our proposed algorithm with O-LEACH.
无线传感器网络是无线网络和通信领域的新兴技术之一。无线传感器网络由大量的小型传感器组成,这些传感器可以感知环境中发生的物理情况。对于无线传感器网络来说,能源效率是主要的挑战,为了创建高效的网络,需要设计复杂的路由算法。聚类算法是无线传感器网络中用于最小化能量消耗的技术之一,但聚类算法面临的主要挑战是簇头的选择。在本文中,我们将讨论节能路由协议,改进的O-LEACH;其中采用了聚类算法。根据我们提出的算法,根据剩余能量和与基站的距离来选择聚类。在能量消耗和网络寿命的基础上,我们将所提出的算法与O-LEACH算法的性能进行了比较。
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引用次数: 5
Imposing patient data privacy in wireless medical sensor networks through homomorphic cryptosystems 通过同态密码系统在无线医疗传感器网络中实现患者数据隐私
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7727027
R. F. S. Pearlin, G. Rekha
In recent years, healthcare applications are regarded as hopeful fields for wireless sensor networks, where the patients have been monitored in hospitals and at their accommodating places. These wireless medical sensor networks are more endangered to intruding, modification, eavesdropping, impersonation and playback attacks than the wired networks. A lot of solutions have been developed to secure wireless medical sensor networks. The already available solutions can safeguard the patient data during communication, but unable to terminate the inside attack where the proprietor of the patient database discloses the delicate patient information. In this project, an empirical approach has been presented to safeguard the inside attack by utilizing multiple number of data servers to store patient data for further utility. The main contribution of this work is to distribute the patient information securely in multiple data servers and by employing the homomorphic cryptosystems (modified paillier/elgamal) to accomplish patients' data privacy. This is a secure method against both outside and inside attacks as long as all the data servers are not compromised.
近年来,医疗保健应用被认为是无线传感器网络的一个有希望的领域,在这些领域中,患者已经在医院和他们的住宿场所进行监测。这些无线医疗传感器网络比有线网络更容易受到入侵、修改、窃听、冒充和重放攻击。为了保证无线医疗传感器网络的安全,已经开发了许多解决方案。现有的解决方案可以在通信过程中保护患者数据,但无法阻止患者数据库所有者泄露敏感患者信息的内部攻击。在本项目中,提出了一种经验方法,通过利用多个数据服务器来存储患者数据以供进一步使用,从而保护内部攻击。这项工作的主要贡献是将患者信息安全地分布在多个数据服务器中,并采用同态密码系统(修改的paillier/elgamal)来实现患者的数据隐私。这是一种安全的方法,可以防止外部和内部攻击,只要所有的数据服务器没有受到损害。
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引用次数: 92
Self-constructing clusters in dynamic heterogeneous multi typed network 动态异构多类型网络中的自构造集群
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7727109
M. Balamurugan, L. Visalatchi
As dynamic networks such as social and information networks are more ubiquitous, clustering the data on the networks can provide the structure of data in various different models. As well clustering the data in different time windows dynamically, provide the evolution behavior which helps in analyzing the features of the network. For example in the information network such as DBLP which contains multiple types of objects such as author, paper, conference and terms, clustering gives us overall view of evolutionary structure such as continue, merge, split, appearance and disappearance of the multiple objects in heterogeneous networks. In this paper we use Probabilistic generative model along with conditional probability, to generate efficient clusters. The number of clusters is not predefined as well it is not fixed and a prior parameter is added to define the number of clusters dynamically.
随着社会网络、信息网络等动态网络越来越普遍,对网络上的数据进行聚类可以提供各种不同模型的数据结构。并对不同时间窗的数据进行动态聚类,给出了网络的演化行为,有助于分析网络的特征。例如,在DBLP这样包含作者、论文、会议、术语等多种类型对象的信息网络中,聚类可以让我们全面了解异构网络中多个对象的继续、合并、分裂、出现和消失等进化结构。本文将概率生成模型与条件概率相结合,用于高效聚类的生成。集群的数量也不是预定义的,它不是固定的,并且添加了一个先验参数来动态定义集群的数量。
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引用次数: 0
Highly stable power efficient noise tolerant circuits for analog and digital systems 用于模拟和数字系统的高稳定、高能效、耐噪电路
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7727040
S. Seenuvasamurthi, G. Nagarajan
Noise is an important factor in the analog and digital circuits which determine the characteristics of the system. The work aims at developing a noise robust circuit with high frequency response and the same can be implemented in a dynamic logic system with reduced number of transistor and also the dynamic logic will have the probability of signal switching activity to be low which will subsequently reduce the power of the system. The circuits have been constructed using cadence ADE and the same has been simulated with Spectre using 45nm GPDK technology. The simulation results show that the power consumption has been reduced multi-fold and the bandwidth has been increased by 102 Hz and the delay is reduced by 50%.
噪声是模拟和数字电路中决定系统特性的重要因素。本文旨在开发一种高频率响应的噪声鲁棒电路,该电路可以在晶体管数量较少的动态逻辑系统中实现,并且动态逻辑信号切换活动的概率较低,从而降低系统的功率。该电路使用cadence ADE构建,并使用Spectre使用45nm GPDK技术进行了模拟。仿真结果表明,该系统的功耗降低了数倍,带宽提高了102 Hz,延迟降低了50%。
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引用次数: 2
Indirect model reference adaptive control of quadrotor UAVs using neural networks 基于神经网络的四旋翼无人机间接模型参考自适应控制
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7727123
Nikhil Angad Bakshi, Raghu Ramachandran
In this paper we propose an Artificial Neural Network (ANN) based controller for a quadrotor UAV. We use an Indirect Model Reference Adaptive Control scheme to show trajectory tracking in the presence of dynamically modeled thrust and drag coefficients. A plant emulator ANN continuously and accurately predicts the next plant output in addition to back propagating to compute the errors in the control inputs. The control inputs are generated based on the state error and its derivative by the controller ANN. Unknown or changing plant parameters are handled effectively in this manner.
本文提出了一种基于人工神经网络的四旋翼无人机控制器。我们使用间接模型参考自适应控制方案来显示在动态建模的推力和阻力系数存在下的轨迹跟踪。植物仿真人工神经网络除了反向传播以计算控制输入中的误差外,还连续准确地预测下一个植物输出。控制器神经网络根据状态误差及其导数生成控制输入。通过这种方式可以有效地处理未知或变化的设备参数。
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引用次数: 9
Comparative study of design of PIDA controller for induction motor 感应电机PIDA控制器设计的比较研究
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7726968
M. Bhandari, A. Rathore
PID controller gives satisfactory results up to second order as it is difficult to get desired response quality in third and higher order systems using analytical approach, as the number of zeros provided by PID controller is less than the order of the plant. PIDA (Proportional-Integral-Derivative-Acceleration) controllers are found to be suitable for third and higher order systems. This paper studies the design of PIDA controller using three different approaches i.e. Dorf Approach, Coefficient Diagram Method and Kitti's Method applied to speed control of 3-phase induction motor.
在三阶及更高阶系统中,由于PID控制器提供的零点数小于被控对象的阶数,用解析方法很难得到期望的响应质量,因此PID控制器在二阶范围内都能给出满意的结果。发现比例-积分-导数-加速度(PIDA)控制器适用于三阶和高阶系统。本文采用多夫法、系数图法和基蒂法三种不同的方法对三相异步电动机的速度控制进行了PIDA控制器的设计。
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引用次数: 0
Spacecraft line-of-sight nonlinear control using two wheels 两轮航天器视距非线性控制
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7726992
Song Daozhe, Geng Yunhai, Fang Xiang
When an underactuated spacecraft using two wheels has non-zero total angular momentum, it cannot reach an arbitrary stable state unless it meets some constraint conditions. In this paper, with the constraint on pointing direction of the line-of-sight of the spacecraft, we obtain the stable state that the spacecraft can be reached and give a judging criteria. Then, a nonlinear singular controller is presented. This controller can make the line-of-sight move and be stabilized to the desired point, that is, it can minimize the angle between the line-of-sight and the target axis, and satisfy the conservation of system angular momentum as well. This controller is simple in formation, not sensitive to initial conditions of attitude, and can bring the spacecraft's line-of-sight to desired point without any transient oscillations.
欠驱动双轮航天器总角动量不为零时,必须满足一定的约束条件才能达到任意稳定状态。本文以航天器视距指向为约束条件,给出了航天器所能达到的稳定状态,并给出了判断准则。然后,提出了一种非线性奇异控制器。该控制器能使视距运动并稳定到期望的点,即使视距与目标轴夹角最小,同时满足系统角动量守恒。该控制器信息简单,对姿态初始条件不敏感,能使航天器的视线无瞬态振荡到达期望点。
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引用次数: 2
Comparison of fault detection and isolation methods: A review 故障检测与隔离方法的比较综述
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7726957
M. Thirumarimurugan, N. Bagyalakshmi, P. Paarkavi
Fault Detection and Isolation (FDI) is important in many industries to provide safe operation of a process. To determine the kind, size, location and time of fault, many Fault detection and Identification (FDI) Techniques are proposed. The Characteristic of FDI techniques include robustness, fast detection and isolation of faults. In this paper a comparison of fault diagnosis system based on Artificial Neural Network (ANN), Observer, Fuzzy, Kalman filter is presented. To achieve fault detection and isolation, a set of residuals need to be determined. Residual indicates the state of the system and provide information about the source of possible faults. A comparison of residual generation methods such as observer based residual generation, parity relation, Kalman filter and structural analysis is also presented in this paper.
在许多工业中,故障检测和隔离(FDI)对于提供过程的安全运行非常重要。为了确定故障的种类、大小、位置和时间,提出了许多故障检测和识别(FDI)技术。FDI技术具有鲁棒性、快速检测和故障隔离等特点。本文对基于人工神经网络、观测器、模糊和卡尔曼滤波的故障诊断系统进行了比较。为了实现故障检测和隔离,需要确定一组残差。残留量表示系统的状态,并提供可能出现故障的来源信息。并对基于观测器的残差生成、宇称关系、卡尔曼滤波和结构分析等残差生成方法进行了比较。
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引用次数: 34
Location-based Ranking Method (LBRM) for ranking search results in search engines 基于位置的排序方法(LBRM)用于在搜索引擎中对搜索结果进行排序
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7727140
S. Geetharani, M. Soranamageswari
Web search engine provides information for the submitted query of the users, without consideration of user's interests. Personalized Web search is used to consider the user interests for providing the results. Existing research Link-click-concept based ranking (LC2R) algorithm is suggested that extracts a user's conceptual preferences from users' click through data resulted from web search. This preference is used to rank the results in a search engine. But the location effects of the users are taken into consideration. In this manuscript, an innovative technique is introduced called Location-based Ranking Method (LBRM) for Ranking Search Results in the search engine. The users have to search at different locations and acquire different search results. This method consists of three phases: Similarity identification, Computation of frequent-access pattern and Weighted score computation. In the similarity identification phase, the location and page similarity is identified by computing similarity among the locations and retrieval pages. In the computation of frequent-access pattern, find all the frequent-retrieval of the web pages by computing the support value. The Pattern consists of Query, Location of the user and retrieved pages. Weighted score computation phase computes the weighted score for the patterns and rank the results based on the highest score. An experimental result shows that the proposed method achieves high efficiency in terms of precision and recall.
Web搜索引擎为用户提交的查询提供信息,而不考虑用户的兴趣。个性化Web搜索用于考虑提供结果的用户兴趣。现有研究提出了基于链接点击概念排序(Link-click-concept based ranking, LC2R)算法,该算法通过网络搜索得到的用户点击数据提取用户的概念偏好。此首选项用于在搜索引擎中对结果进行排序。但是考虑了用户的位置效应。本文介绍了一种在搜索引擎中对搜索结果进行排名的基于位置的排名方法(LBRM)。用户必须在不同的位置进行搜索,获得不同的搜索结果。该方法包括三个阶段:相似度识别、频率访问模式计算和加权分数计算。在相似度识别阶段,通过计算位置和检索页面之间的相似度来识别位置和页面的相似度。在频率访问模式的计算中,通过计算支持度值找到所有网页的频率检索。模式由查询、用户位置和检索页面组成。加权分数计算阶段计算模式的加权分数,并根据最高分数对结果进行排序。实验结果表明,该方法在查准率和查全率方面都达到了较高的效率。
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引用次数: 2
Current harmonics reduction using sliding mode control based shunt active power filter 基于滑模控制的并联有源电力滤波器电流谐波抑制
Pub Date : 1900-01-01 DOI: 10.1109/ISCO.2016.7727005
M. Mane, M. K. Namboothiripad
Use of power electronic devices creates the power quality issues by generating harmonics and reactive power in the utility system. Active power filter is one of the best solution to reduce the harmonics level in the system. In this paper single phase shunt active filter using sliding mode control is implemented in MATLAB/Simulink. Sliding mode controller acts as a current controller to control filter inductor current by providing harmonics and reactive current required by the load. The switching signals to the shunt active power filter is generated based on the sliding surface and the source voltage. PI controller is used to control DC link voltage of active power filter along with generation of reference source current. Performance of proposed shunt active filter is analyzed under nonlinear and combined non-linear and linear load. It is observed that shunt active power filter improves the total harmonic distortion (THD) and power factor under variable load condition.
电力电子设备的使用通过在公用事业系统中产生谐波和无功功率而产生电能质量问题。有源电力滤波器是降低系统谐波水平的最佳解决方案之一。本文在MATLAB/Simulink中实现了采用滑模控制的单相并联有源滤波器。滑模控制器作为电流控制器,通过提供负载所需的谐波和无功电流来控制滤波器电感电流。并联有源滤波器的开关信号是基于滑动面和源电压产生的。PI控制器用于控制有源滤波器直流链路电压和基准源电流的产生。分析了并联有源滤波器在非线性和非线性与线性组合负载下的性能。结果表明,并联型有源电力滤波器改善了变负荷条件下的总谐波失真(THD)和功率因数。
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引用次数: 8
期刊
2016 10th International Conference on Intelligent Systems and Control (ISCO)
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