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2011 Fourth International Symposium on Computational Intelligence and Design最新文献

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Research on Equipment Effectiveness Evaluation with Weight Random Variables 基于权重随机变量的装备效能评估研究
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.11
Zhao Xin-shuang, N. Kai, Wang Houxiang
This paper takes each weight as a random variable. The values of weight are given by several experts, which are used to determine the distribution of the random variables. Taking the weight random variables as parameters of effectiveness evaluation models, we can calculate their distributions. This method evaluates equipment effectiveness by the expectation and variance of random variable, it can also identify the probability that the effectiveness value fall in a certain interval. The evaluation result coincides with people's understanding about the problem of evaluation. The method of this paper is the improvement of index method and weight sum method.
本文将每个权重作为一个随机变量。权重值由多位专家给出,用于确定随机变量的分布。将权重随机变量作为有效性评价模型的参数,计算其分布。该方法通过随机变量的期望和方差来评价设备的有效性,还可以识别设备有效性值在一定区间内下降的概率。评价结果与人们对评价问题的认识不谋而合。本文的方法是对指标法和权和法的改进。
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引用次数: 0
ANN-based Multi Classifier for Identification of Perimeter Events 基于神经网络的多分类器周界事件识别
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.141
Hu Yan, Lixin Li, Fangchun Di, Jin Hua, Qiqiang Sun
Identification of perimeter events enables smarter perimeter security systems. This paper presents a multi classifier. Support Vector Machine (SVM) and Artificial Neural Network (ANN) are the bottom to build the classifier. The top level employs voting mechanism to identify intrusions, taking time evolution characters into account. In addition, to make the classifier be more self-adaptive, an incremental learning module is introduced. The proposed classifier has been successfully applied to oil and gas pipeline intrusion detection systems. Practical results show that it can distinguish nuisance events from intrusion events at a high rate of 94.86% and for seven kinds of intrusions, the recognition rate is 95.29%, fully satisfies the real application requirement.
识别周边事件可以实现更智能的周边安全系统。本文提出了一种多分类器。支持向量机(SVM)和人工神经网络(ANN)是构建分类器的底层。顶层考虑时间演化特征,采用投票机制识别入侵;此外,为了提高分类器的自适应能力,还引入了增量学习模块。该分类器已成功应用于油气管道入侵检测系统中。实际结果表明,该方法对滋扰事件和入侵事件的识别率高达94.86%,对7种入侵事件的识别率为95.29%,完全满足实际应用需求。
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引用次数: 5
An Effective Combination of Genetic Operators in Evolutionary Algorithm 遗传算子在进化算法中的有效组合
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.35
Qing Zhang, Sanyou Zeng, Zhengjun Li, Hongyong Jing
An evolutionary algorithm (EA) is designed and then is used to solve constrained optimization problems in this paper. The difference of the proposed algorithm from other EAs stays in combination of two crossover operators: one is affine crossover which inherits characteristics of the parents by using function continuity, one is uniform crossover which preserves some discrete genes of the parents by using Darwin's principle. Since both crossovers are independent to some extent, population diversity could be well maintained, then the new EA (denoted FUXEA) could enhance capacity in global search. The FUXEA algorithm is compared with some state-of-the-art algorithms which were published in a best journal in evolutionary computation area, and 13 widely used constraint benchmark problems to test the algorithm. The experimental results suggest it outperforms to or not worse than others, especially for the problems with many local optima, it performs much better.
本文设计了一种进化算法,并将其用于求解约束优化问题。该算法与其他遗传算法的不同之处在于结合了两种交叉算子:一种是仿射交叉,利用函数连续性继承了亲本的特征;另一种是均匀交叉,利用达尔文原理保留了亲本的一些离散基因。由于两种交叉算法在一定程度上是独立的,可以很好地保持种群的多样性,因此新的交叉算法(表示为FUXEA)可以增强全局搜索能力。将FUXEA算法与发表在进化计算领域最佳期刊上的一些最新算法进行了比较,并对13个广泛使用的约束基准问题进行了测试。实验结果表明,该算法的性能优于或不低于其他算法,特别是在局部最优算法较多的问题上,其性能要好得多。
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引用次数: 0
Algorithm of ASDP Based on Heterogeneous Sensors 基于异构传感器的ASDP算法
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.31
Xiaoyong Wu, Gang Liu, Tao Jing
The research on information fusion of heterogeneous sensors from air or underwater is significant and difficult for either military or business. Apart from different principles of sensors, time-delay, target movement, detection probability, such factors affect performance of sensors in various environments prominently. This project proposes fusion algorithm of ASDP, which aims to resolve the joint detection performance for underwater objects. Analysis based on ADSP for joint detection in task fleet or other allied detective operations is calculated efficiently and understood easily. Simulation experiment results shows that ADSP is very helpful for commanders who acquire the whole detected region's profile of battle field to make right decisions, especially useful in early warning, the efficiency of target tracking, computation of probability of destroy and deployment optimization of anti-submarine forces.
空中和水下异构传感器信息融合的研究是军事和商业领域的重要和难点问题。除了传感器的工作原理不同、时延、目标运动、检测概率等因素外,这些因素对传感器在各种环境下的性能影响较大。本课题提出ASDP融合算法,旨在解决水下目标联合检测性能问题。基于ADSP的联合侦察分析在编队或其他联合侦察行动中计算效率高,易于理解。仿真实验结果表明,ADSP在反潜部队的早期预警、目标跟踪效率、摧毁概率计算和部署优化等方面具有重要的应用价值,有助于指挥官掌握整个被探测区域的战场轮廓,做出正确的决策。
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引用次数: 1
Intuitionistic Fuzzy Sets with Single Parameter and its Application to Pattern Recognition 单参数直觉模糊集及其在模式识别中的应用
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.90
Zhenhua Zhang, Jingyu Yang, Youpei Ye, Xiaorong Wu
The concept of intuitionistic fuzzy sets with parameters (IFSP) is first introduced in this paper. By analyzing the degree of hesitancy, this paper concentrates on the construction and application of intuitionistic fuzzy sets with single parameter (IFSSP). Finally, a pattern recognition example is given to demonstrate the application of IFSSP. The experimental results show that we can adjust the parameter to appropriate value to obtain the desired result, therefore, the method of IFSSP is more comprehensive and flexible than that of traditional intuitionistic fuzzy sets.
本文首先引入了带有参数的直觉模糊集的概念。通过对犹豫度的分析,重点研究了单参数直觉模糊集的构造和应用。最后,给出了一个模式识别实例来说明IFSSP的应用。实验结果表明,我们可以将参数调整到合适的值以获得期望的结果,因此,IFSSP方法比传统的直觉模糊集方法更全面,更灵活。
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引用次数: 3
Threat Assessment Based on Adaptive Intuitionistic Fuzzy Neural Network 基于自适应直觉模糊神经网络的威胁评估
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.73
Fan Yihong, Li Weimin, Z. Xiaoguang, Xie Xin
This paper proposes a method for threat assessment(TA) based on Adaptive Intuitionistic Fuzzy Neural Network(AIFNN). Firstly, intuitionistic fuzzy proposition is defined and the concept of intuitionistic fuzzy reasoning is discussed and Takagi-Sugeno Kang intuitionistc fuzzy model is developed. Secondly, a model for TA on AIFNN based on Takagi-Sugeno Takagi-Sugeno Kang intuitionistc fuzzy model is established, the attribute functions, ie. membership and non-membership functions, and the inference rules of the system variables are devised with computational relations between layers of input and output and a synthesized computational expression of system outputs ascertained. Thirdly, a learning algorithm of neural based on the extended kalman algorithm is designed. Finally, the validity of the technique is checked and rationality of constructed model is verified by providing TA instances with 400 typical targets. The simulated results show that this method can enhance creditability of TA and improve quality of assessment with precision of synthetic values in reasoning output.
提出一种基于自适应直觉模糊神经网络(AIFNN)的威胁评估方法。首先,定义了直觉模糊命题,讨论了直觉模糊推理的概念,建立了Takagi-Sugeno Kang的直觉模糊模型。其次,基于Takagi-Sugeno Takagi-Sugeno Kang直觉模糊模型建立了AIFNN上的TA模型,该模型的属性函数为:设计了隶属函数和非隶属函数以及系统变量的推理规则,确定了输入输出层之间的计算关系,并确定了系统输出的综合计算表达式。第三,设计了一种基于扩展卡尔曼算法的神经网络学习算法。最后,通过提供400个典型目标的TA实例,验证了该技术的有效性和所构建模型的合理性。仿真结果表明,该方法可以提高推理输出综合值的可信度,提高评估质量。
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引用次数: 1
An Efficient Neural Network Training Algorithm with Maximized Gradient Function and Modulated Chaos 基于最大梯度函数和调制混沌的高效神经网络训练算法
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.18
Mobarakol Islam, Arifur Rahaman, M. K. Hasan, M. Shahjahan
Biological brain involves chaos and the structure of artificial neural networks (ANNs) is similar to human brain. In order to imitate the structure and the function of human brain better, it is more logical to combine chaos with neural networks. In this paper we proposed a chaotic learning algorithm called Maximized Gradient function and Modulated Chaos (MGMC). MGMC maximizes the gradient function and also added a modulated version of chaos in learning rate (LR) as well as in activation function. Activation function made adaptive by using chaos as gain factor. MGMC generates a chaotic time series as modulated form of Mackey Glass, Logistic Map and Lorenz Attractor. A rescaled version of this series is used as learning rate (LR) called Modulated Learning Rate (MLR) during NN training. As a result neural network becomes biologically plausible and may get escaped from local minima zone and faster convergence rate is obtained as maximizing the derivative of activation function together with minimizing the error function. MGMC is extensively tested on three real world benchmark classification problems such as australian credit card, wine and soybean identification. The proposed MGMC outperforms the existing BP and BPfast in terms of generalization ability and also convergence rate.
生物大脑涉及混沌,人工神经网络(ann)的结构与人脑相似。为了更好地模仿人脑的结构和功能,将混沌与神经网络相结合更符合逻辑。本文提出了一种称为最大梯度函数和调制混沌(MGMC)的混沌学习算法。MGMC最大化了梯度函数,并在学习率(LR)和激活函数中加入了混沌的调制版本。利用混沌作为增益因子使激活函数自适应。MGMC以麦基玻璃、Logistic映射和洛伦兹吸引子的调制形式产生混沌时间序列。在神经网络训练过程中,这个系列的一个重新缩放版本被用作学习率(LR),称为调制学习率(MLR)。通过最大化激活函数的导数和最小化误差函数,使神经网络具有生物似然性,可以脱离局部极小区,从而获得更快的收敛速度。MGMC在澳大利亚信用卡、葡萄酒和大豆识别等三个现实世界的基准分类问题上进行了广泛的测试。本文提出的MGMC算法在泛化能力和收敛速度上都优于现有的BP算法和BP算法。
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引用次数: 2
Generation of Alternative Routes to Private Cars Impacted on Vehicle Routing Schemes in Logistics Distribution of Urban Agglomeration 私家车替代路径的产生对城市群物流配送中车辆路径规划的影响
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.187
Xinquan Liu
Logistics distribution supports the economy development in urban agglomeration. This paper analyses the factors impacted on vehicle routing schemes in distribution of urban agglomeration in a new point of view. The alternative routes which are prepared for private car drivers to choice are generated based on anticipation regret. The method which was presented in this paper is approved to be more accord with reality compared to traditional algorithms. The paper introduces the alternative routes of the drivers impacting on vehicle routing schemes in distribution and developing of urban agglomeration.
物流配送是城市群经济发展的支撑。本文从一个新的角度分析了城市群布局中车辆路径方案的影响因素。为私家车司机准备的备选路线是基于预期后悔产生的。与传统算法相比,本文提出的方法更符合实际。本文介绍了在城市群分布和发展中,驾驶员的备选路线对车辆路径方案的影响。
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引用次数: 0
A Novel Wavelet Threshold Optimization Via PSO for Image Denoising 基于粒子群算法的图像去噪小波阈值优化
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.95
Xuejie Wang, Yi Liu, Yanjun Li
Threshold selection is extremely important in wavelet transform for image denoising. The threshold selection problem can be viewed as continuous optimization problem. Recently, Particle Swarm Optimization was introduced to solve this problem, but its effectiveness is destroyed by the premature convergence. In order to overcome this drawback and obtain satisfactory effect, this paper proposes a modified chaos Particle Swarm Optimization algorithm for threshold selection, then adopts the optimal threshold achieved and a non-negative garrote function to process wavelet decomposed coefficients. When the premature convergence occurs, chaos search strategy will come into effect to help particles jump out of local optimization, and seek global optimization. Experimental results reveal the encouraging effectiveness of the proposed algorithm.
在小波变换图像去噪中,阈值选择是一个非常重要的问题。阈值选择问题可以看作是连续优化问题。近年来,粒子群算法被引入到这一问题的求解中,但其过早收敛性破坏了算法的有效性。为了克服这一缺点并获得满意的效果,本文提出了一种改进的混沌粒子群算法进行阈值选择,然后采用得到的最优阈值和非负garrote函数对小波分解系数进行处理。当早熟收敛发生时,混沌搜索策略将发挥作用,帮助粒子跳出局部优化,寻求全局优化。实验结果表明了该算法的有效性。
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引用次数: 3
Coding Method and Application for Complicated River Network Based on Surveyed River Network 基于实测河网的复杂河网编码方法及应用
Pub Date : 2011-10-28 DOI: 10.1109/ISCID.2011.113
Xuelian Chen, Feng Jin
The paper takes National Topographic Database by assuming vector diagram water system with 1:250,000 scale as a data source. A reasonable and efficient coding method for river network is presented, which can solve the coding problem of converged river network, bifurcate river network, crossed river network and water of lake and reservoir. The coding method can reflect the topology of river network and can locate any stream segment of river network directly and operate the topology of river network effectively. At the last, this coding method is applied to parts of stream segments in Taihu Lake basin. As the results, the coding method is made by the paper can solve the coding problem of complicated river network, the upstream-downstream relationship can be easily identified through the coding of stream segment, the self-replicating coding has excellent expansibility and high efficiency, and can be handled easily by the computer.
本文以国家地形数据库为数据源,假设1:25万比例尺的矢量图水系。提出了一种合理、高效的河网编码方法,可解决汇聚河网、分叉河网、交叉河网和湖泊水库水的编码问题。编码方法能够反映河网的拓扑结构,可以直接定位河网的任意河段,有效地操作河网的拓扑结构。最后,将该编码方法应用于太湖流域部分河段。结果表明,本文提出的编码方法可以解决复杂河网的编码问题,通过对河段的编码可以很容易地识别上下游关系,自复制编码具有良好的可扩展性和高效率,易于计算机处理。
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引用次数: 1
期刊
2011 Fourth International Symposium on Computational Intelligence and Design
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