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2013 Sixth International Symposium on Computational Intelligence and Design最新文献

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Design of Mechanical Self-Locking Button Test System Based on Virtual Instrument 基于虚拟仪器的机械自锁按钮测试系统设计
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.169
Shaopeng Tian, D. Xiong
To improve the test precision and inefficient of the mechanical self-locking button of automotive air conditioner control panel, high-precision automated test system was developed with virtual instrument technology. Design programs and hardware components of this system were introduced. A stable amplifying and filtering circuit was designed. Software of the test system was developed with Lab VIEW. The system realized the functions that high-speed data acquisition, serial communication between IPC and MCU, and database management. It has been running in the automotive air conditioner panel development and testing of a large automotive air conditioner manufacturer. The application shows that this system runs stably and accurately.
为了提高汽车空调控制板机械自锁按钮的测试精度和效率,利用虚拟仪器技术开发了高精度自动测试系统。介绍了该系统的设计方案和硬件组成。设计了稳定的放大滤波电路。测试系统软件采用Lab VIEW进行开发。该系统实现了高速数据采集、工控机与单片机串行通信、数据库管理等功能。它一直运行在某大型汽车空调生产厂家的汽车空调面板开发和测试中。应用表明,该系统运行稳定、准确。
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引用次数: 0
A Study of Link Load Balancing Based on Improved Genetic Algorithm 基于改进遗传算法的链路负载均衡研究
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.183
Li Zhao, Yu-min Dong, Chen-yang Huang
Load balancing technology can solve the network congestion problems of modern network which is caused by uneven distribution of traffic. As the network link load balancing is an NP-complete problem, it is difficult to use traditional method to deal with, introducing the idea of genetic algorithm. Using genetic algorithm, the characteristics of efficient and parallel can help to find the global optimal solution quickly. Article on the basis of traditional genetic algorithm, this paper puts forward a network link load balancing strategy based on improved genetic algorithm. Experiments show that it can find the answer to the problem better.
负载均衡技术可以解决现代网络中由于流量分布不均而造成的网络拥塞问题。由于网络链路负载均衡是一个np完全问题,很难用传统的方法来处理,引入了遗传算法的思想。遗传算法具有高效并行的特点,可以快速找到全局最优解。文章在传统遗传算法的基础上,提出了一种基于改进遗传算法的网络链路负载均衡策略。实验表明,该方法能较好地找到问题的答案。
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引用次数: 7
A Network Traffic Prediction Model Based on Quantum Inspired PSO and Neural Network 基于量子启发粒子群和神经网络的网络流量预测模型
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.168
Kun Zhang, L. Liang, Ying Huang
The network traffic prediction model is the foundation of network performance analysis and designing. Aiming at limitation of the conventional network traffic time series prediction model and the problem that BP algorithms easily plunge into local solution, an optimization algorithm-PSO-QI which combine particle swarm optimization (PSO) and the quantum principle is proposed, and can alleviate the premature convergence validly. Then, the parameters of BP neural network were optimized and the time series of network traffic data was modeled and forecasted based on BP neural network and PSO-QI. Experiments showed that PSOQI-BP neural network has better precision and adaptability compared with the traditional neural network.
网络流量预测模型是网络性能分析和设计的基础。针对传统网络流量时间序列预测模型的局限性和BP算法容易陷入局部解的问题,提出了一种结合粒子群算法(PSO)和量子原理的优化算法PSO- qi,有效地缓解了网络流量时间序列预测模型的过早收敛。然后,对BP神经网络参数进行优化,并基于BP神经网络和PSO-QI对网络流量数据的时间序列进行建模和预测。实验表明,与传统神经网络相比,PSOQI-BP神经网络具有更好的精度和适应性。
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引用次数: 7
A Method for Prediction of Acute Hypotensive Episodes in ICU via PSO and K-Means 基于PSO和K-Means预测ICU急性低血压发作的方法
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.32
Hao-jun Sun, Shukun Sun, Yunxia Wu, Meijuan Yan, Chengdian Zhang
At present many hospitals have to deal with the patient's care and nursing for Acute Hypotensive Episodes (AHE) in the Intensive Care Unit (ICU). But the prediction of clinical AHE largely depends on the doctor's experience. It is meaningful for clinical care if we can use appropriate methods to predict the AHE in advance and automatically. In this paper, we propose a method to predict the AHE that uses the particle swarm optimization (PSO) algorithm to optimize the initial cluster centers of K-means which extracts the features of patient's mean arterial blood pressure (MAP). Then these features extracted from K-means coupled with the average of a sequence of MAP signal are classified with the support vector machine (SVM). We classified 2863 records, and the best accuracy achieved for the prediction based on the method proposed in this work was 81.2% (sensitivity=83.2% and specificity=80.4%).
目前许多医院都要在重症监护室(ICU)处理急性低血压发作(AHE)患者的护理工作。但是临床AHE的预测很大程度上取决于医生的经验。采用适当的方法对AHE进行提前、自动预测,对临床护理具有重要意义。本文提出了一种利用粒子群优化(PSO)算法对提取患者平均动脉血压(MAP)特征的K-means初始聚类中心进行优化的AHE预测方法。然后利用K-means结合MAP信号序列的平均值提取这些特征,利用支持向量机(SVM)进行分类。我们对2863条记录进行了分类,基于本工作提出的方法进行预测的最佳准确率为81.2%(灵敏度=83.2%,特异性=80.4%)。
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引用次数: 6
The Power Consumption Analysis of Cement Rotary Kiln Production Line System 水泥回转窑生产线系统能耗分析
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.10
Yuan Zhu-gang, Chenghao Pu, W. Xiaohong
In view of the current situation of the industry, our country energy resources are relatively scarce and cement enterprises have been as high energy consumption industry, this paper presented electric power management information system, to realize the energy saving of cement enterprises, the scheme can provide data support for the enterprises with accurate management, can be found in time metering device failures and anomalies to improve equipment management level, can realized remote meter reading function to improve staff reading accuracy and work efficiency, can be calculated per unit energy consumption of electricity. This was through the establishment of a rotary kiln system energy expert system, to analyze the power consumption for many reasons, to give the control member of energy-saving advice, finally, hope that through the control of rotary kiln, the system of rotary kiln can achieve energy saving.
针对目前行业现状,我国能源资源相对稀缺,水泥企业一直被视为高能耗行业,本文提出了电力管理信息系统,实现了水泥企业的节能,该方案可以为企业提供数据支持,具有精确的管理能力,可以及时发现计量设备的故障和异常,提高设备管理水平;可实现远程抄表功能,提高工作人员抄表精度和工作效率,可计算单位能耗电量。本文通过建立回转窑系统节能专家系统,对回转窑耗电的诸多原因进行分析,给出控制成员的节能建议,最后,希望通过对回转窑的控制,使回转窑系统能够实现节能。
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引用次数: 0
Traffic Indexes Prediction Based on Grey Prediction Model 基于灰色预测模型的交通指标预测
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.68
P. Hui, Wenqi Qu, Junjian Tang, J. Chen
The grey prediction model is a kind of data prediction method in data mining area. The construction of the grey prediction model is introduced in the paper first. Then in order to obtain higher precision of the prediction model, the way on how to select adjust parameters to adjust the original model is introduced. Finally the prediction procedure is described in a figure and it is explained in details. In case study, fifty traffic indexes come from transport bureau of Hunan province are predicted. It shows the effect and efficiency of the grey prediction model and its adjust parameters.
灰色预测模型是数据挖掘领域的一种数据预测方法。本文首先介绍了灰色预测模型的构建。然后,为了获得更高的预测模型精度,介绍了如何选择调整参数对原模型进行调整的方法。最后以图的形式描述了预测过程,并对其进行了详细的说明。通过实例分析,对湖南省交通局的50项交通指标进行了预测。验证了灰色预测模型及其调整参数的有效性和有效性。
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引用次数: 3
Central Author Mining from Co-authorship Network 从合著者网络中挖掘中心作者
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.64
T. Peng, Delong Zhang, Xiaoming Liu, Shang Wang, Wanli Zuo
Most researches on co-authorship network analyze the author's information globally according to the overall network topology structure, instead of analyzing the author's local network. Therefore, this paper presents a community mining algorithm and divides big co-authorship network into small communities, in which entities' relationship is closer. Then we mine central authors in community by three different centrality standards including closeness centrality, eigenvector centrality and a new proposed measure termed extensity degree centrality. We choose the SIGMOD data as datasets and measure the centrality from different views. And experiments in co-authorship network achieve many interesting results, which indicate our technique is efficient and feasible, and also have reference value for scientific evaluation.
大多数关于合作网络的研究都是根据整体网络拓扑结构来分析作者的全局信息,而不是分析作者的局部网络。为此,本文提出了一种社区挖掘算法,将大型合作网络划分为实体关系更紧密的小社区。然后,我们通过三种不同的中心性标准来挖掘社区中的中心作者,包括接近中心性、特征向量中心性和一种新提出的度量方法——扩展度中心性。我们选择SIGMOD数据作为数据集,并从不同的角度测量中心性。并在合作作者网络上进行了实验,得到了许多有趣的结果,表明我们的技术是有效可行的,对科学评价也有参考价值。
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引用次数: 3
Study for Parallel Scheduling of HLA-Based Simulation Objects 基于hla的仿真对象并行调度研究
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.146
L. Meng, Liu Bu-quan, Zuo Xiao-liang
HLA has become the mainstream of distributed simulation technology, but serial execution of simulation objects in the existing HLA run-time infrastructure results in huge computation and communication bottlenecks. It has been becoming a focus of attention to accomplish the parallel scheduling of HLA simulation application. This paper proposed a method for parallel scheduling of HLA-based simulation objects. We introduced the base classes named SimObject and Interaction to map object attributes and interaction parameters from FOM files to object instances and interaction instances, and constructed additional three new service components: simulation manager, object manager, interaction manager. This way, simulation objects in a federate or across different federates can be scheduled in parallel, improving the running efficiency of simulation system.
HLA已经成为分布式仿真技术的主流,但是在现有的HLA运行时基础架构中串行执行仿真对象导致了巨大的计算和通信瓶颈。如何实现HLA仿真应用的并行调度已成为人们关注的热点。提出了一种基于hla的仿真对象并行调度方法。我们引入了名为SimObject和Interaction的基类,将对象属性和交互参数从FOM文件映射到对象实例和交互实例,并构造了另外三个新的服务组件:模拟管理器、对象管理器、交互管理器。通过这种方式,可以并行调度一个联邦内或跨不同联邦的仿真对象,提高仿真系统的运行效率。
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引用次数: 1
A New Classification Method Based on KF-SVM in Brain Computer Interfaces 基于KF-SVM的脑机接口分类新方法
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.55
Yang Banghua, Han Zhijun, Wang Qian, He Liangfei
This paper proposes a novel classification method named KF-SVM (Kernel Fisher, Support Vector Machine), which is used for the EEG (Electroencephalography) classification of two classes of imagery data in BCIs (brain-computer interfaces). This method combines the kernel fisher and SVM. Its detailed process is as follows: First, the CSP (Common Spatial Patterns) is used to obtain features, and then the within-class scatter is calculated based on these features. The scatter is added into the RBF (Radical Basis Function) kernel function to construct a new kernel function. The obtained new kernel is integrated into the support vector machine to get a new classification model. The KF-SVM may overcome the following defects of the SVM: 1) the SVM maximizes the classification margin without considering within-class scatter. 2) The classification surface of the SVM between two types of EEG data only depends on boundary samples and misclassified samples. To evaluate effectiveness of the proposed KF-SVM method, the data from the 2008 international BCI competition and experiments of our laboratory are processed. The experimental result shows that the proposed KF-SVM classification algorithm can well classify EEG data and improve the correct rate of EEG recognition in BCIs.
本文提出了一种新的分类方法KF-SVM (Kernel Fisher, Support Vector Machine),用于脑机接口(bci)中两类图像数据的EEG分类。该方法结合了核fisher和支持向量机。其具体过程如下:首先利用CSP (Common Spatial Patterns)获取特征,然后根据这些特征计算类内散点。将散点加入到RBF (Radical Basis Function)核函数中,构造新的核函数。将得到的新核集成到支持向量机中,得到新的分类模型。KF-SVM可以克服支持向量机的以下缺陷:1)支持向量机在不考虑类内分散的情况下最大化分类余量。2)支持向量机在两类脑电数据之间的分类面仅依赖于边界样本和误分类样本。为了评估所提出的KF-SVM方法的有效性,我们对2008年国际脑机接口竞赛和我们实验室的实验数据进行了处理。实验结果表明,所提出的KF-SVM分类算法能够很好地分类脑电数据,提高脑机接口的脑电识别正确率。
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引用次数: 4
Research in the Simulation Model of IGBT Package IGBT封装仿真模型的研究
Pub Date : 2013-10-28 DOI: 10.1109/ISCID.2013.111
Peng Zhang, Ronggang Han, Rui Jin, K. Yu, Jun Liu, H. Bao, Yu Zhang, J. Che
Simulation technology provides a powerful tool for the IGBT module design. The IGBT chip model and the interconnect parasitics are the most important factors for the package design of IGBT module. By the aid of the simulation software, the IGBT chip model is fulfilled and the package parasitics is extracted. So the whole simulation deign platform of IGBT package achieves.
仿真技术为IGBT模块的设计提供了有力的工具。IGBT芯片模型和互连寄生是IGBT模块封装设计中最重要的因素。借助仿真软件,实现了IGBT芯片模型,提取了封装寄生。从而实现了IGBT封装的整个仿真设计平台。
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引用次数: 0
期刊
2013 Sixth International Symposium on Computational Intelligence and Design
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