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2010 WASE International Conference on Information Engineering最新文献

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OD Model: A Data Correlation Model Based on Spatial Location in Wireless Sensor Networks OD模型:无线传感器网络中基于空间定位的数据关联模型
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.70
Na Li, Yuan’an Liu, Fan Wu, B. Tang
In wireless sensor networks, sensor nodes are densely deployed for environmental monitoring, so the observation random data are highly correlated in space. This paper proposed a WSN data correlation model named OD Model based on spatial location according to the most universal mode of omnidirectional Boolean sensing. Both analysis and simulation results show that the accuracy estimation of OD Model is sensitive to the control parameter, and the effectiveness of OD Model is also be proved.
在无线传感器网络中,用于环境监测的传感器节点分布密集,观测随机数据在空间上具有高度相关性。本文根据最通用的全向布尔感知模式,提出了一种基于空间定位的WSN数据关联模型OD模型。分析和仿真结果表明,OD模型的精度估计对控制参数敏感,证明了OD模型的有效性。
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引用次数: 3
Database Design of a PDM System for Research Institutions 科研机构PDM系统的数据库设计
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.174
Lu Hongze, Zhang Fujun, Zhao Chang-lu, Han Kai
On the background of developing the Product Data Management(PDM) system for vehicle powertrain integrated design, we found three problems to solve. The first is product and its technical parameters need to customize freely. It’s solved by defining code fields for product database table and parameter table. Second, the technical parameters of different levels overlap each other or the cause and effect relationship exists. The solution is storing one parameter in structured format and others in unstructured format. Third, design task needs to be dynamicly associated with its input parameters, output parameters, knowledge, tools, and the solution is introducing the Design Function as the carrier of data package. Base the database design, one PDM system was developed which provides a better tool for designing activity of the research institutions. In the paper, the relational database design scheme offer a new way of thinking for the database design of PDM system.
以开发汽车动力总成集成设计的产品数据管理(PDM)系统为背景,研究了需要解决的三个问题。首先是产品及其技术参数需要自由定制。通过定义产品数据库表和参数表的代码字段来解决。二是不同层次的技术参数相互重叠或存在因果关系。解决方案是以结构化格式存储一个参数,而以非结构化格式存储其他参数。第三,设计任务需要与其输入参数、输出参数、知识、工具进行动态关联,解决方法是引入design Function作为数据包的载体。在数据库设计的基础上,开发了一个PDM系统,为科研机构的设计活动提供了一个更好的工具。本文提出的关系数据库设计方案为PDM系统的数据库设计提供了一种新的思路。
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引用次数: 1
Study on Key Technology of Topic Tracking Based on SVM 基于支持向量机的主题跟踪关键技术研究
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.99
Shengdong Li, Xueqiang Lv, Yuqin Li, Shuicai Shi
Text classification is the key technology for topic tracking, and vector space model (VSM) is one of the most simple and effective model for topics representation. On the basis of VSM and support vector machines (SVM), we have studied how feature space dimension in VSM as well as linearly separable and non-separable SVM affect topic tracking. Then we get the variation law that they affect topic tracking, and add up their optimal values in topic tracking. Finally, TDT evaluation method proves that optimal topic tracking performance based on linearly separable SVM increases by 4.522% more than linearly non-separable SVM.
文本分类是主题跟踪的关键技术,而向量空间模型(VSM)是最简单有效的主题表示模型之一。在VSM和支持向量机(SVM)的基础上,研究了VSM中的特征空间维度以及线性可分和不可分SVM对主题跟踪的影响。得到了它们对主题跟踪影响的变化规律,并对它们在主题跟踪中的最优值进行了相加。最后,TDT评价方法证明,基于线性可分SVM的最优主题跟踪性能比线性不可分SVM提高了4.522%。
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引用次数: 2
Control Technology of Maximal Wind Energy Capture of VSCF Wind Power Generation VSCF风力发电最大风能捕获控制技术
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.354
M. You-jie, Yu Yang, Zhou Xue-song, Li Chao
Based on the mechanism of VSCF wind turbine in capturing the largest wind, the capturing methods for the largest wind energy are summarized such as the control of the tip speed ratio,, mountaineering search method and three points comparative method. The advantages and disadvantages of the study of those are pointed out. At last the developments of VSCF wind turbine With ADRC in capturing the largest wind are reviewed and prospected in the article.
基于VSCF风力发电机组捕获最大风力的机理,总结了控制叶尖速比、登山搜索法和三点比较法等捕获最大风能的方法。指出了这些研究的优缺点。最后对自抗扰风力发电机组在捕集最大风力方面的研究进展进行了回顾和展望。
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引用次数: 2
Research on IETM Publishing System Based on MVC Pattern 基于MVC模式的IETM发布系统研究
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.126
Wang Tao, Jiang Lili
In order to better solve the problem that publish IETM(Interactive Electronic Technical Manual) with multiple styles (HTML, PDF, etc), the Struts framework that applies in Web to achieve the traditional MVC pattern was researched in this paper. Based on the traditional Struts framework, this paper proposed a method that replaces the JSP technology with the XSL technology in the view layer. And this method makes the view even more flexible and scalable. Finally, applies the improved MVC pattern to the construct of IETM publishing system to realize the main function of IETM publishing system, which achieves publication of IETM with a variety of styles.
为了更好地解决IETM(交互式电子技术手册)多样式(HTML、PDF等)发布的问题,本文研究了应用于Web的Struts框架来实现传统的MVC模式。本文在传统Struts框架的基础上,提出了在视图层用XSL技术代替JSP技术的方法。这个方法使视图更加灵活和可伸缩。最后,将改进的MVC模式应用到IETM发布系统的构建中,实现了IETM发布系统的主要功能,实现了IETM多种风格的发布。
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引用次数: 1
Electronic Trading Systems in Several Authentication Methods Commonly Used Comparison 电子交易系统中常用的几种认证方法比较
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.155
Weijian Huang, Wei Du, L. Guo, Liang Huang
When the network is increasingly becoming a part of people's lives at the same time, network and information security has also become one of the issues of most concern,. This article is based on a brief introduction in terms of information security, several commonly used way of authentication technologies and their advantages and disadvantages. Different levels of security authentication methods are very the different, security is the most important factor authentication, but not all. In the following several authentication methods, we are also according to compatibility, convenience and the use of cost considerations.
当网络日益成为人们生活的一部分的同时,网络和信息安全也成为人们最为关注的问题之一。本文在简要介绍信息安全方面常用的几种认证技术方式及其优缺点的基础上。不同安全级别的认证方法差别很大,安全性是认证最重要的因素,但不是全部。在下面几种认证方法中,我们也是根据兼容性、方便性和使用成本来考虑的。
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引用次数: 2
Speed Control Based Particle Swarm Optimizing Clonal Algorithm for AC Induction Motor 基于粒子群优化克隆算法的交流感应电机速度控制
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.16
Wang Qiang, Chen Jun, Jianxiu Xiao, Sun Jian
An intelligent optimizing algorithm, particle swarm optimizing clonal algorithm (PSOCA) was introduced in this paper, which combined the clonal selection mechanism of the immune system with the evolution equation of particle swarm optimization. It had the ability of global searching. The PSOCA improves the diversity of antibody population and its convergence speed, by using effectively the past information of the antibodies and their cooperation. Based on the PSOCA, a PID controller???PCA-PID???is designed, which can modify its parameters dynamically to adapt time varying control objects. PCA-PID controller is exerted to control AC speed system, then its control performance is compared with that of the other two controllers designed by PSO and clonal selection algorithm respectively. The simulation results show that PCA-PID has better control performance, compared with the other two controllers.
将免疫系统的克隆选择机制与粒子群优化的进化方程相结合,提出了一种智能优化算法——粒子群优化克隆算法(PSOCA)。它具有全局搜索的能力。PSOCA有效地利用抗体的历史信息和抗体之间的合作关系,提高了抗体种群的多样性和收敛速度。在PSOCA的基础上,设计了PID控制器PCA-PID。,可动态修改其参数以适应时变控制对象。采用PCA-PID控制器对交流调速系统进行控制,并与采用粒子群算法和克隆选择算法设计的另外两种控制器的控制性能进行了比较。仿真结果表明,与其他两种控制器相比,PCA-PID具有更好的控制性能。
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引用次数: 2
A Sub-management Based Flash Translation Layer Design 基于子管理的Flash翻译层设计
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.158
Huaitao Wang, Hui Li, Jianshe Ma, Huiqiu Li, Ye Wu, Hengjun Xie
Flash translation layer (FTL) is the key component of NAND flash-based storage system. It consists of the translation of the logical address to physical address and wear-leveling technology. This paper proposed a new sub-management based flash translation layer model that can be used in high-speed solid-state storage systems. In this model, the storage space is sub-managed, which is benefit for improving the external bandwidth. When IO size exceeds 32KB,experiments showed the model can improve system bandwidth up to 100% compared with current technology. Moreover, the flash translation layer is broken down into a segment management and translation system for per segment, which reduces the design complexity, and helps to build high-capacity storage systems. Using both inter-segment and in-segment wear-leveling technology, the model can effectively ensure the life of storage systems.
闪存转换层(FTL)是基于NAND闪存的存储系统的关键部件。它包括逻辑地址到物理地址的转换和损耗均衡技术。本文提出了一种新的基于子管理的闪存转换层模型,该模型可用于高速固态存储系统。该模型对存储空间进行了分管,有利于提高外部带宽。实验表明,当IO大小超过32KB时,该模型可以将系统带宽提高到现有技术的100%。此外,闪存转换层被分解为一个段管理和每个段的转换系统,降低了设计的复杂性,有助于构建高容量的存储系统。该模型采用了段间和段内磨损均衡技术,可以有效地保证存储系统的使用寿命。
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引用次数: 0
Analysis of Influence of Steering System on Vehicle Straight Line 转向系统对车辆直线的影响分析
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.257
Hai Chenguang, Ji Peng, Yuan Haifeng
In Steer Release condition, due to the ability of actual vehicle to resist external small perturbations and self-Adaptive coordination can’t be described in the previous vehicle model, the stability of vehicle is described insufficiently. A fine steering system model was established, including Stick-slip friction model and a complete dynamic system consist of wheels, axles, steering tie rod and rack. When encountered with outside interference input, the left and right wheels have the ability to coordinate with each other and ensure the stability of vehicle. The validity of the model is verified through the simulation of typical operating conditions and the fidelity of vehicle model is improved.
在转向释放工况下,由于实际车辆对外界小扰动的抵抗能力和自适应协调能力在以往的车辆模型中无法描述,对车辆的稳定性描述不够充分。建立了精细转向系统模型,包括粘滑摩擦模型和由车轮、车轴、转向拉杆和转向齿条组成的完整动力系统。当遇到外界干扰输入时,左右轮具有相互协调的能力,保证车辆的稳定性。通过典型工况的仿真验证了模型的有效性,提高了模型的保真度。
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引用次数: 3
Curve Reconstruction of Turbulence Motion Locus Based on Image Projection Transformation and Light Stream Vector 基于图像投影变换和光流矢量的湍流运动轨迹曲线重建
Pub Date : 2010-08-14 DOI: 10.1109/ICIE.2010.206
Liang Zhong-wei, Liu Xiao-chu, Wang Yi-jun, Wang Chun
Curve reconstruction method of turbulence motion locus is investigated. Through tracing particles be equally-distributed scattered into flow field and each particle’s movement has been shot from different orientations in continuous time-points, thus sequential conjugate images have been obtained. On the basis of positioning these particles in each relative coordinate system, relationship of image projecting transformation is established to calculate their absolute three-dimensional coordinates in each time-point. Combining with light stream vector, tracing particles’ motion vectors in each instantaneous moment can be deducted. Finally B-spline spatial curve of turbulence motion locus is fitted. Programming experiments and error analysis indicate that the accurate locus curve can be obtained, turbulence’s mathematical feature and motion discipline are clearly displayed, and this method provides theoretical foundation and technical preparation for following turbulence research.
研究了湍流运动轨迹的曲线重建方法。通过跟踪将均匀分布的粒子分散到流场中,并在连续时间点上从不同方向拍摄每个粒子的运动,从而得到序列共轭图像。在确定这些粒子在各个相对坐标系中的位置的基础上,建立图像投影变换关系,计算出它们在各个时间点的绝对三维坐标。结合光流矢量,可以推导出跟踪粒子在每个瞬间的运动矢量。最后拟合了湍流运动轨迹的b样条空间曲线。编程实验和误差分析表明,该方法可获得精确的轨迹曲线,清晰地显示了湍流的数学特征和运动规律,为后续湍流研究提供了理论基础和技术准备。
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2010 WASE International Conference on Information Engineering
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