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2011 International Conference on System science, Engineering design and Manufacturing informatization最新文献

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The complexity of conflict detection and resolution as interwoven with the air traffic control management and research analysis 冲突检测和解决的复杂性与空中交通管制管理和研究分析交织在一起
Fatemeh shakibafard, M. Menhaj, Amir Maleknia
This paper is incidental to a research program of finding an automation system to govern the civil flight corridors in which the instrumentality of human agency is all but totally devolved onto a complex, multi-layered data electro-mathematical analyzer. Six major actualities comprising of dimensionality, probabilisticality, conflict detection, conflict resolution, maneuvering, global multiplicity of aircraft management, have become the focus of the proposed automation. The un-touched bench mark discourse of the prevalency of an “orderer-ordered” intercommunication between the aircraft agents and the Air Traffic Control meta-agent(s) has been kept sacrosanct for a variety of reasons to avert an over-revolutionary discourse change in a sphere of trafficking where any probable risk entails extraordinary losses of all sorts. A cutaneously rigid, layerized maths-speech act programming adapted by the present authors makes it feasible in the format of Prolog to deliver the responsibility of a mono-controller only capable of being in touch with just one flying object at each real-time instance on to some machine governing “more-than-several” aerospace SUSPENDING DOTS at the very same real-time instance.
本文是一项研究计划的附带内容,该计划旨在寻找一种自动化系统来管理民用飞行走廊,其中人类机构的工具几乎完全转移到复杂的多层数据电子数学分析仪上。飞机管理的维数性、概率性、冲突检测、冲突解决、机动、全局多重性等六大特性已成为提出的自动化的重点。由于各种原因,飞机代理和空中交通管制元代理之间普遍存在“有序”的相互通信这一未被触及的基准话语一直是神圣不可侵犯的,以避免在任何可能的风险都会带来各种巨大损失的贩运领域发生过度革命性的话语变化。本文作者采用了一种严格的、分层的数学-语言行为编程方法,使Prolog的格式能够将单个控制器在每个实时实例中只能与一个飞行物体接触的责任交付给在同一实时实例中控制“多个”航空航天悬浮点的某些机器。
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引用次数: 0
An Integrated Verification Process Algebra for Time and Spatial Performance 时间和空间性能集成验证过程代数
Yan Bo, Xiaoping Wu, Fu Yu
In order to solve the problem of integrated verification of the system's function properties, time performance and spatial performance, an Integrated Verification Process Algebra (IVPA) for Time and Spatial Performance is presented by this paper. The syntax and semantic of the IVPA is defined, that offer potential for automation or machine-assistance of model simplification. Case study results show that the IVPA and its verification approach can satisfy the modeling of systems, reasoning about the system's state space, and integrated verification of the time and spatial performance.
为了解决系统功能特性、时间性能和空间性能的综合验证问题,本文提出了一个时间性能和空间性能的综合验证过程代数(IVPA)。定义了IVPA的语法和语义,这为模型简化的自动化或机器辅助提供了潜力。实例研究结果表明,该方法能够满足系统的建模、系统状态空间的推理以及时间和空间性能的综合验证。
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引用次数: 0
Quick algorithm of maximum inscribed circle method for roundness evaluation 最大内切圆法圆度评定的快速算法
Meng Fan-wu, Xu Chunguang, L. Haiming, Hao Juan, Xiao Dingguo
The evaluation of roundness based on the maximum inscribed circle method is an important method suitable for the circle with the maximum material condition like an internal bore. The maximum inscribed circle is determined by three data points according to the criteria of the maximum inscribed circle. The mathematical formulae has been developed for the establishment of the center of the maximum inscribed circle. A quick algorithm has been proposed for solving maximum inscribed circle. There is no principle error or method error in the results calculated by the formulae. Three examples are given in the paper. The validated results show that the method gives an efficient approach to solve the roundness problems on the maximum inscribed circle, especially when the number of data points is large.
基于最大内切圆法的圆度评价是一种适用于内孔等材料条件最大的圆的重要评价方法。根据最大内切圆的准则,由三个数据点确定最大内切圆。给出了确定最大内切圆圆心的数学公式。提出了一种求解最大内切圆的快速算法。公式计算结果不存在原理误差和方法误差。文中给出了三个实例。验证结果表明,该方法能够有效地解决最大内切圆的圆度问题,特别是当数据点数量较大时。
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引用次数: 10
Analysis on the influence of configuration improvement upon ship maintenance costs based on hedonic model 基于享乐模型的结构改进对船舶维修成本的影响分析
Du Jun-gang, Wei Ru-xiang, Zhang Huai-qiang
Aiming at the lack of quantitative research of configuration improvement upon ship maintenance costs presently, the hedonic price theory is put forward into this paper on the basis of analyzing heterogeneity characteristics of the ship maintenance activities. And the configuration improvement can be seen as a hedonic of ship maintenance costs as well as others, and then quantified under the quantification principle. Based on the above work, the hedonic model of ship maintenance cost is established based on the Box-Cox transformed combinated data to analyze the influence of configuration improvement upon ship maintenance cost. The empirical results of this hedonic model show that the flexibility coefficient exceeds 1 all the time, and steps down while the numerical value of configuration improvement ascends. The results indicate that the ship maintenance cost grows faster than the degree of configuration improvement, but this trend is slowing in long term.
针对目前缺乏对船舶维修成本配置改进的定量研究,在分析船舶维修活动异质性特征的基础上,提出了享乐价格理论。将构型改进视为船舶维修成本的一种特征,并根据量化原则进行量化。在上述工作的基础上,基于Box-Cox变换组合数据,建立船舶维修成本的享乐模型,分析配置改进对船舶维修成本的影响。该模型的实证结果表明,柔性系数始终大于1,并且随着构型改进数值的增大而减小。结果表明,船舶维修成本的增长速度快于配置改进程度,但从长期来看,这一趋势正在放缓。
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引用次数: 0
The analysis of the internal control of E-commerce enterprises 电子商务企业内部控制分析
Xu Wenqiang, Tang Jianxin
This study analyzes the internal control of electronic commerce enterprises in China. At first, the paper reveals some problems on the internal control of these enterprises such as the bad conditions, lacking risk management, the unsound supervision system and so on. And then, this paper suggests that e-commerce enterprises should improve corporation governance, actively evaluate operating risks and financial risks, and better the supervision system of the internal control.
本研究对中国电子商务企业的内部控制进行了分析。本文首先揭示了中小企业内部控制状况不佳、风险管理缺失、监管体系不健全等问题。建议电子商务企业应完善公司治理,积极评价经营风险和财务风险,完善内部控制监管体系。
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引用次数: 0
Discharge prediction in phetchaburi basin using a combination of wavelet and cross correlation 用小波与互相关相结合的方法预测phetchaburi流域的流量
Siriwat Yeetsorn, S. Sinthupinyo
Discharge prediction is an essential component in water management systems. To obtain an accurate prediction model, we need a good preprocessing method for extracting actually important features of the discharge data. Thus, we propose a new combinational method which integrates Correlation Coefficient Analysis and Wavelet Decomposition. The processed discharge data from both methods are then used as input for two classification methods, namely Backpropagation Neural Networks and Multiple Linear Regression. In our experiment, we tested our method based on the real world data from the Phetchaburi river basin, Thailand. The obtained model achieved lower error rate than ones from other existing methods.
排放预测是水管理系统的重要组成部分。为了获得准确的预测模型,我们需要一种好的预处理方法来提取放电数据的实际重要特征。因此,我们提出了一种结合相关系数分析和小波分解的组合方法。然后将这两种方法处理后的排放数据作为两种分类方法的输入,即反向传播神经网络和多元线性回归。在我们的实验中,我们基于泰国Phetchaburi河流域的真实数据测试了我们的方法。所得模型的错误率低于其他现有方法。
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引用次数: 1
On Hermitian positive definite solutions of nonlinear matrix equation 非线性矩阵方程的厄米正定解
Qingchun Li, Panpan Liu
In this paper, the Hermitian positive definite solutions of the nonlinear matrix equations X + A*X−qA = Q and X − A*X−qA = Q are discussed where q∈(0,1]. Some sufficient conditions for the existence of Hermitian positive definite solutions for these equations are derived. A sufficient condition for X + A*X−qA = Q is given to have a unique Hermitian positive definite solution. The perturbation analysis for X − A*X−qA = Q is discussed at last.
本文讨论了非线性矩阵方程X + A*X−qA = Q和X−A*X−qA = Q的厄米正定解,其中Q∈(0,1)。导出了这些方程存在厄密正定解的几个充分条件。给出了X + A*X−qA = Q有唯一厄米正定解的充分条件。最后讨论了X−A*X−qA = Q的微扰分析。
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引用次数: 1
Pro/E software applications in industrial product design Pro/E软件在工业产品设计中的应用
Cheng Chen, Fu Min
The development trend of modern industrial design is summarized. Pro/E 3D software is introduced and the application methods in industrial product design by Pro/E software are analyzed and provided. Finally, example of industrial design in the toy car model based on Pro/E is offered and the research conclusion is reached.
总结了现代工业设计的发展趋势。介绍了Pro/E三维软件,分析并给出了Pro/E软件在工业产品设计中的应用方法。最后给出了基于Pro/E的玩具车模型工业设计实例,得出了研究结论。
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引用次数: 1
The optimization analysis of mechanics performance reliability of the high-speed monohull ship 高速单体船力学性能可靠性优化分析
Yang Song-lin, Ma Tianyu, Li Mi
The authors use the weighting summation of rapidity, maneuverability and seakeeping as the sub-objective function of ship navigation performances reliability; By using the weighting summation of static and dynamic properties reliability as other sub-objective function, The weighting summation of these 2 sub-objective functions is just the general objective function. In this paper, a parallel multi-processing genetic complex algorithm(PM-C-GA) has been put forward based on genetic algorithm and complex algorithm. This algorithm applied effectively to optimize the mechanics performance reliability of high-speed mono-hull ship.
采用快速性、机动性和耐浪性加权求和作为船舶航行性能可靠性的子目标函数;将静、动态性能可靠性的权值之和作为另一个子目标函数,则这两个子目标函数的权值之和即为总目标函数。本文在遗传算法和复杂算法的基础上,提出了一种并行多处理遗传复杂算法(PM-C-GA)。该算法在高速单体船舶力学性能可靠性优化中得到了有效的应用。
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引用次数: 0
A cluster validity index for fuzzy c-means clustering 模糊c均值聚类的聚类有效性指标
Yating Hu, C. Zuo, Yang Yang, Fuheng Qu
This paper presents a new validity index for validation of the fuzzy partitions generated by the fuzzy c-means algorithm. The proposed validity index is based on the compactness and separation measure. The compactness measure is defined as the weighted square deviation of the intra cluster, and the separation measure is defined as the distance for the different fuzzy sets. There are high expectations of a large degree compactness and separation among clusters for a good fuzzy partition. The contrast experimental results with various indices show that the proposed index is more robust to the noise and can identify clusters with different densities and sizes.
本文提出了一种新的有效性指标,用于模糊c均值算法生成的模糊分区的有效性验证。提出的有效性指标是基于紧凑性和分离性度量。紧度度量定义为簇内加权方差,分离度量定义为不同模糊集之间的距离。对于一个好的模糊划分,聚类之间有很高的紧密度和分离度。实验结果表明,该指标对噪声具有较强的鲁棒性,能够识别不同密度和大小的聚类。
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引用次数: 8
期刊
2011 International Conference on System science, Engineering design and Manufacturing informatization
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