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2008 6th IEEE International Conference on Industrial Informatics最新文献

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A review and comparison of fuzzy regression models for energy consumption estimation 能源消耗估算的模糊回归模型综述与比较
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618351
A. Azadeh, O. Seraj, Morteza Saberi
The objective of this study is to examine the most well known fuzzy regression approaches with respect to energy consumption estimation. Furthermore there is no clear cut as to which approach is superior for energy consumption estimation. This is quite important in developing countries such China and Iran severe fluctuation for energy consumption. Where classic regression approaches do not provide a suitable prediction. In the present study, monthly data for electricity consumption in Iran are studied from 1992 to 2004. For suitable anticipation of electricity demand fluctuations, sixteen fuzzy regression models are considered in this research. Each fuzzy regression model has different approach and advantages. Auto correlation function was applied for defining input data of each of these models. By using this technique a few combinations are considered for selecting the input of each model. After calculating each model, their outputs will be an estimated function of the rate of electricity consumption in Iran. For determining the rate of error of fuzzy regression models estimations, the rate of output of each model is compared with the actual rate of monthly electricity consumption in test data. Five types of errors are considered for each model. Also an analysis of variance and Duncanpsilas multiple range tests are performed to formally select the best fuzzy regression model. The results show that Peterpsilas model is out performs the other by considerable margin.
本研究的目的是检验最著名的模糊回归方法与能源消耗估计。此外,对于能源消耗估算而言,哪一种方法更优并没有明确的界限。这对于中国和伊朗等能源消费剧烈波动的发展中国家来说是非常重要的。经典的回归方法不能提供合适的预测。在本研究中,研究了1992年至2004年伊朗电力消费的月度数据。为了合理预测电力需求波动,本研究考虑了16种模糊回归模型。每种模糊回归模型都有不同的方法和优势。采用自相关函数定义各模型的输入数据。通过使用这种技术,考虑了几种组合来选择每个模型的输入。在计算每个模型之后,它们的输出将是伊朗电力消耗率的估计函数。为了确定模糊回归模型估计的错误率,将每个模型的输出率与测试数据中的实际月用电量进行比较。每个模型都考虑了五种类型的错误。并通过方差分析和duncansilas多极差检验来正式选择最佳模糊回归模型。结果表明,Peterpsilas模型的性能明显优于其他模型。
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引用次数: 7
Improved method for solving permutation problem of frequency domain blind source separation 一种求解频域盲源分离置换问题的改进方法
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618192
Wang Weihua, Huang Fenggang
The permutation indetermination is a very important problem in the frequency domain blind source separation. This paper proposes a novel algorithm based on amplitude correlation between two adjacent frequency bins. The amplitude correlation between adjacent frequency bins of the same speech signal is better than that of different speech signals. We construct amplitude correlation matrixes between two adjacent frequency bins according to the amplitude correlation, and then map the independent components (ICs) to the corresponding sources. The proposed method is on-line. It is feasible to implement ICA algorithm and proposed method simultaneously. Simulation results showed the encouraging performance.
在频域盲源分离中,排列不确定性是一个非常重要的问题。本文提出了一种基于相邻两个频箱间振幅相关性的新算法。同一语音信号相邻频箱间的幅值相关性优于不同语音信号间的幅值相关性。我们根据幅值相关性在相邻的两个频箱之间构造幅值相关矩阵,然后将独立分量(ic)映射到相应的源。所提出的方法是在线的。同时实现ICA算法和所提出的方法是可行的。仿真结果显示了令人鼓舞的性能。
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引用次数: 11
Forecasting exchange rate by weighted average defuzzification based on NEWFM 基于NEWFM的加权平均去模糊化预测汇率
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618255
Sang-Hong Lee, J. Lime
Fuzzy neural networks have been successfully applied to generate predictive rules for exchange rate forecasting. This paper presents a methodology to forecast the daily and weekly GBP/USD exchange rate by extracting fuzzy rules based on the neural network with weighted fuzzy membership functions (NEWFM) and the minimized number of input features using the distributed non-overlap area measurement method. NEWFM supports the analysis of the time series of the daily and weekly exchange rate based on the defuzzyfication of weighted average method which is the fuzzy model suggested by Takagi and Sugeno. NEWFM classifies upward and downward cases of next daypsilas and next weekpsilas GBP/USD exchange rate using the recent 32 days and 32 weeks of CPPn,m (Current Price Position of day n and week n : a percentage of the difference between the price of day n and week n and the moving average of the past m days and m weeks from day n-1 and week n-1) of the daily and weekly GBP/USD exchange rate, respectively. In this paper, the Haar wavelet function is used as a mother wavelet. The most important five and four input features among CPPn,m and 38 numbers of wavelet transformed coefficients produced by the recent 32 days and 32 weeks of CPPn,m are selected by the non-overlap area distribution measurement method, respectively. The data sets cover a period of approximately ten years starting from 2 January 1990. The proposed method shows that the accuracy rates are 55.19% for the daily data and 72.58% for the weekly data.
模糊神经网络已成功地应用于汇率预测的预测规则生成。本文提出了一种基于加权模糊隶属函数(NEWFM)神经网络的模糊规则提取方法,并采用分布式无重叠面积测量方法最小化输入特征数,预测英镑/美元每日和每周汇率的方法。NEWFM支持对日、周汇率的时间序列进行分析,基于加权平均法的去模糊化,即Takagi和Sugeno提出的模糊模型。NEWFM分别使用最近32天和32周的CPPn,m(第n天和第n周的当前价格头寸:第n天和第n周的价格与第n-1天和第n-1周的过去m天和m周的移动平均值之差的百分比)对第二天和下周英镑/美元汇率的上行和下行情况进行分类。本文采用Haar小波函数作为母小波。采用非重叠面积分布测量法分别选取CPPn,m最近32天和32周产生的38个小波变换系数中最重要的5个和4个输入特征。这些数据集涵盖从1990年1月2日开始的大约十年期间。该方法对日数据的准确率为55.19%,对周数据的准确率为72.58%。
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引用次数: 4
The ghost in the machine 2.0: Psycho-bionic steps towards mastering complex environments 机器中的幽灵2.0:控制复杂环境的心理仿生步骤
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618052
P. Palensky
Summary form only given. Technical systems get into serious troubles, once confronted with a certain degree of complexity. An analytical, exhaustive description of a complex problem is often not possible, and so its solution. Far away from scalar control loops and PLC (programmable logic controller) based machinery control, future automation systems are supposed to process a tremendous amount of information coming from millions of sensors and complex information sources like cameras. Large numbers of inexpensive and diverse sources of information can increase the performance of automation tasks in buildings, factories, transport systems, or machinery. However, the complex and context-dependent semantics of such large amounts of data make bit-by-bit processing and traditional rule-based decisions impossible. A new trail from the sensor values to decisions is necessary. Let us take a journey into a new research approach, where bionic systems try to mimic the capabilities of conscious creatures. The human mind, as described in the latest findings of neurology and psychoanalysis, gives a blueprint of a system that is potentially capable of filtering, evaluating, and judging situations and scenarios. The relationship between system/environment interactions, memory, emotions, learning, and higher mental processes is believed to be the key for the success exhibited by our species. This talk will outline the possibilities, the state of the art and the expectations of applying new ideas in artificial intelligence, psychology and neurology in complex industrial automation environments and shall serve as inspiration and challenge to the INDIN community.
只提供摘要形式。技术系统一旦面临一定程度的复杂性,就会陷入严重的困境。对一个复杂问题进行分析性的、详尽的描述往往是不可能的,因此它的解决方案也是不可能的。远离标量控制回路和基于PLC(可编程逻辑控制器)的机械控制,未来的自动化系统应该处理来自数百万个传感器和复杂信息源(如相机)的大量信息。大量廉价和多样化的信息来源可以提高建筑物、工厂、运输系统或机械中的自动化任务的性能。然而,如此大量数据的复杂且依赖于上下文的语义使得逐位处理和传统的基于规则的决策变得不可能。从传感器值到决策的新路径是必要的。让我们进入一种新的研究方法,仿生学系统试图模仿有意识生物的能力。正如神经学和精神分析学的最新发现所描述的那样,人类的思想给出了一个系统的蓝图,该系统具有过滤、评估和判断情况和情景的潜在能力。系统/环境相互作用、记忆、情感、学习和高级心理过程之间的关系被认为是人类成功的关键。本次演讲将概述在复杂的工业自动化环境中应用人工智能、心理学和神经学新思想的可能性、现状和期望,并将为INDIN社区提供灵感和挑战。
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引用次数: 0
Virtual organization for supply chain integration 面向供应链集成的虚拟组织
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618219
W. Wang, H. Chan
This study compares two case studies in the same industry which are recently adopting the virtual organization approach in order to improve the performance of their supply chains. One enterprise tries to integrate the market side by merging a brand owner whereas another one seeks for the integration solution to stop suffering from its insufficient control over the sub-manufacturing sites that each of them is registered as an independent firm during the corporate expanding period. By participating in the two projects, our research indicates different barriers of integrating toward the upstream and downstream supply chains and provides a mutual solution by building up the e-Fashion global supply chains. Similarities and dissimilarities of both cases towards the virtual organization approach are also addressed in this paper.
本研究比较了同一行业中最近采用虚拟组织方法以提高其供应链绩效的两个案例研究。一个企业试图通过合并品牌所有者来整合市场方,而另一个企业则寻求整合解决方案,以避免在公司扩张期间对子制造站点的控制不足,每个子制造站点都作为一个独立的公司注册。通过对这两个项目的参与,我们的研究指出了上游和下游供应链整合的不同障碍,并提供了构建电子时尚全球供应链的相互解决方案。本文还讨论了两种情况下虚拟组织方法的异同。
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引用次数: 2
An integrated framework of the modeling of failure-detection and fault-correction processes in software reliability analysis 软件可靠性分析中故障检测和故障纠正过程建模的集成框架
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618163
J. Lo
The failure-detection and fault-correction are critical processes in attaining good performance of software quality. In this paper, we propose several improvements on the conventional software reliability growth models (SRGMs) to describe actual software development process by eliminating some unrealistic assumptions. Most of these models have focused on the failure detection process and not given equal priority to modeling the fault correction process. But, most latent software errors may remain uncorrected for a long time even after they are detected, which increases their impact. The remaining software faults are often one of the most unreliable reasons for software quality. Therefore, we develop a general framework of the modeling of the failure detection and fault correction processes. Furthermore, we also analyze the effect of applying the delay-time non-homogeneous Poisson process (NHPP) models. Finally, numerical examples are shown to illustrate the results of the integration of the detection and correction process.
故障检测和故障纠正是保证软件质量的关键环节。在本文中,我们对传统的软件可靠性增长模型(SRGMs)提出了一些改进,通过消除一些不现实的假设来描述实际的软件开发过程。这些模型大多侧重于故障检测过程,而对故障纠正过程的建模没有给予同等的优先权。但是,大多数潜在的软件错误可能在检测到之后很长一段时间内仍未得到纠正,这增加了它们的影响。剩余的软件故障通常是影响软件质量的最不可靠的原因之一。因此,我们开发了故障检测和故障纠正过程建模的一般框架。此外,我们还分析了应用延迟-非齐次泊松过程(NHPP)模型的效果。最后,通过数值算例说明了检测与校正过程相结合的结果。
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引用次数: 3
Conceptual design of rail transit based urban logistics delivery system 基于轨道交通的城市物流配送系统概念设计
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618098
Ketai He, Ju-ping Shao, Yubo Liu, Shaohua Dong
A new urban logistics delivery system is brought forward to resolve the traffic congestion. With the development of economy, there are more and more vehicles in megapolises, so the burdens of city roads become more and more heavy, and the environmental impacts and energy shortage become severer. Underground logistics system (ULS) is used to resolve the problem in many countries. For the high cost and limitations of special use, not all the megapolises can build ULS, and the effect of ULS is limited. In the paper, the new urban logistics delivery system is designed based on Rail Transit. The framework of rail transit based urban logistics delivery system is put forward. The system is composed of management information center, cargo center, rail transit and delivery workers. To support the system, general transport containers are conceptual designed. The management and control system is used to fulfill the effective operation management and control works. At the end, the paper discusses the criterion of nodes planning.
针对城市交通拥堵问题,提出了一种新型的城市物流配送系统。随着经济的发展,特大城市的车辆越来越多,城市道路负担越来越重,环境影响和能源短缺问题日益严重。许多国家都采用地下物流系统来解决这一问题。由于高成本和特殊用途的限制,并不是所有的特大城市都能建设超级城市系统,超级城市系统的效果是有限的。本文设计了基于轨道交通的新型城市物流配送系统。提出了基于轨道交通的城市物流配送体系框架。该系统由管理信息中心、货运中心、轨道交通和送货员组成。为支持该系统,对通用运输集装箱进行了概念设计。管理和控制系统是用来完成有效的运行管理和控制工作。最后,讨论了节点规划的准则。
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引用次数: 7
A new approach in discrete chaos system control by differential evolution Algorithm 差分进化算法在离散混沌系统控制中的应用
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618260
Fei Gao, Jujang Lee
In this paper, a novel chaos control approach by differential evolution (DE) algorithm is proposed to control the inherent chaotic phenomenon in genetic algorithms. Firstly the new approach detects the dynamical behaviors of a new discrete chaos system with rational fraction in GA such as the extreme values and unstable periodic points. Secondly it directs the chaotic system to its unstable fix point from any initial point by global controlling factors {Uk} solved self-adaptively by DE. Thirdly it proposes a multi-model solution for chaos control through DE to stabilize the system on its unstable fix point. Simulation results are further presented to show the effectiveness and performance of the put method.
针对遗传算法中固有的混沌现象,提出了一种基于差分进化算法的混沌控制方法。该方法首先检测具有有理分数的新型离散混沌系统的动态行为,如极值和不稳定周期点。其次,通过微分方程自适应求解全局控制因子{Uk},将混沌系统从任意初始点引导到不稳定不动点。第三,提出了通过微分方程求解混沌控制的多模型解,使系统稳定在不稳定不动点上。仿真结果进一步验证了该方法的有效性和性能。
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引用次数: 1
MP-HA: Multicycles Protocol for Hospital Automation over multicast with IEEE 802.3 MP-HA:基于IEEE 802.3的多播医院自动化多循环协议
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618244
R. de M. Valentim, A. Morais, A. Guerreiro, G.B. Branddo, C. D. De Araujo
This paper presents a multicycles protocol for hospital automation (MP-HA) that works over multicast addressing and use a master-slave architecture. The protocol creates a segmented logical network based on multicast addressing associated to hospital beds. The objective of MP-HA is to ensure the determinism on network through medium access control mechanism increasing the transmission throughput. Thus, it creates a periodical environment making use of the parallel cycles which is called multicycles.
本文提出了一种基于多播寻址和主从架构的医院自动化多周期协议(MP-HA)。该协议基于与医院病床相关联的多播寻址创建了一个分段逻辑网络。MP-HA的目标是通过介质访问控制机制来保证网络的确定性,提高传输吞吐量。因此,它创造了一个周期性的环境,利用并行循环,这被称为多循环。
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引用次数: 3
On non-integer order rational model identification 非整数阶有理模型辨识
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618195
Defeng Wu, A. Li, Zi Ma, Quanmin Zhu
Main contributions include: (1) A non-integer order rational model structure is presented with justification of more general form for non-linear rational models. (2) An adaptive differential evolution algorithm is proposed and applied in parameter estimation of non-integer order rational models. The convergence and effectiveness of the proposed algorithm are validated by two simulation cases.
主要贡献包括:(1)提出了一种非整数阶有理模型结构,并证明了非线性有理模型的更一般形式。(2)提出了一种自适应差分进化算法,并将其应用于非整数阶有理模型的参数估计。通过两个仿真实例验证了该算法的收敛性和有效性。
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引用次数: 1
期刊
2008 6th IEEE International Conference on Industrial Informatics
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