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

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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
Prototyping of an optomechanical apparatus for BioCD specimen image inspections 用于生物光盘标本图像检测的光机械装置的原型设计
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618354
Fu-Shin Lee, R. Shin, M. Chiang
An optical inspection apparatus was prototyped for examining BioCD samples, and an automatic focusing mechanism using an embedded bio-image feedback mechanism was built in to control the focusing lenses system as to obtain adequate images on the image sensing chip, where sharpness of the captured images are evaluated and compared for subsequent motor movements. Over the motor course motion intervals, piezoactuator minute adjustments are henceforth triggered in fine movements to obtain clear images of the designated layer within inspected BioCD samples. The prototype is featured in its Linux OS based application on an ARM platform, which can execute a variety of servo-motions, including fine motions through implementing piezo-actuations, once the assistances of processed bio images are employed.
光学检测装置原型用于检查生物光学器件样品,并内置了一个使用嵌入式生物图像反馈机制的自动聚焦机制来控制聚焦透镜系统,以便在图像传感芯片上获得足够的图像,在图像传感芯片上评估和比较捕获图像的清晰度,并为随后的运动进行比较。在运动过程的运动间隔中,压电致动器的微小调整从此在精细运动中触发,以获得在所检查的生物光电样品中指定层的清晰图像。该原型的特点是在ARM平台上基于Linux操作系统的应用程序,一旦使用处理过的生物图像的辅助,它可以执行各种伺服运动,包括通过实现压电驱动的精细运动。
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引用次数: 0
A generic model for crossdock truck scheduling and truck-to-door assignment problems 交叉码头卡车调度和车到门分配问题的通用模型
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618221
M. Shakeri, M. Low, Zhengping Li
Crossdocking is a just-in-time (JIT) practice in logistics of unloading materials from an incoming trailer and loading them into outgoing trailers, with little or no storage in between. The efficient operation of a crossdocking system requires an appropriate coordination of inbound and outbound flows, accurate planning and dynamic scheduling. Unfortunately, optimizing solutions to the problems associated with crossdock operational management and planning is quite difficult and in some cases even impossible. Besides, there is currently a shortage of planning policies for different crossdocking operations. In this paper, we develop a generic mathematical model to address the two problems of truck scheduling and truck-to-door assignment through employing a mixed integer programming approach (MIP). We believe our proposed model is generic enough to embrace various types of crossdocking operations which have been exercised in todaypsilas industrial world, more specifically fast moving consumer goods (FMCG) industry.
交叉对接是一种准时制(JIT)物流实践,将物料从进站拖车上卸下,并将其装载到出站拖车上,其间很少或根本没有存储。交叉对接系统的高效运行需要进出流量的合理协调、准确的规划和动态的调度。不幸的是,优化与交叉码头运营管理和规划相关的问题的解决方案是相当困难的,在某些情况下甚至是不可能的。此外,目前缺乏针对不同交叉对接操作的规划政策。本文采用混合整数规划方法(MIP)建立了一个通用的数学模型来解决卡车调度和车到门分配这两个问题。我们认为,我们提出的模型是通用的,足以包含各种类型的交叉对接操作,这些操作已经在当今的工业世界中得到了实践,更具体地说,是快速消费品(FMCG)行业。
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引用次数: 32
Optimal tuning for saturation limiter of a series FACTS device 系列FACTS器件饱和限制器的优化调谐
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618364
Seung-Monk Baek, Jung-Wook Park
The external controller (EC) of a series flexible AC transmission system (FACTS) device, which is the series capacitive reactance compensator (SCRC), can provide effective damping of low-frequency oscillations in a power system. The saturation limiter in the EC is used to enforce practical limits resulting from system restrictions such as equipment and component ratings. In this paper, the effect of a saturation limiter on the overall system dynamic behavior is analyzed. Also, a systematic nonlinear tuning method is proposed to determine the optimal values for saturation limits based on the sensitivity trajectory analysis.
串联柔性交流输电系统(FACTS)器件的外部控制器——串联容抗补偿器(SCRC)能够有效地抑制电力系统中的低频振荡。EC中的饱和限制器用于强制执行由系统限制(如设备和组件额定值)引起的实际限制。本文分析了饱和限制器对系统整体动态性能的影响。同时,提出了一种基于灵敏度轨迹分析的系统非线性调谐方法来确定饱和极限的最优值。
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引用次数: 3
Objective function of semi-supervised Fuzzy C-Means clustering algorithm 半监督模糊c均值聚类算法的目标函数
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618199
Chunfang Li, Lianzhong Liu, Wenli Jiang
Analyzed here is the physical interpretation of objective function of semi-supervised fuzzy C-means (SS-FCM) algorithm and its coefficient alpha. A conclusion-Stutzpsilas modification to the objective function of Pedrycz is much clearer: unlabeled samples involves in unsupervised learning of FCM, labeled samples involves in unsupervised learning with coefficient (1-a) and participate in supervised learning with a, and when a=1 or 0, the SS-FCM degrades to FCM-is illustrated. The corresponding alternately optimizing algorithm of SS-FCM with fuzzy covariance is provided. The experimental results show that: 1) Modified algorithm has the same semi-supervised role and has much clearer physical interpretation. 2) Using FCM algorithm to assign membership for labeled samples is better than using random number. 3) SS-FCM with fuzzy covariance and a small number of well-selected labeled samples can effectively improve the accuracy and convergence speed.
分析了半监督模糊c均值(SS-FCM)算法目标函数的物理解释及其系数。结论- stutzpsilas对Pedrycz的目标函数进行了更清晰的修改:未标记的样本参与FCM的无监督学习,标记的样本参与系数(1- A)的无监督学习,并参与系数为A的监督学习,当A =1或0时,SS-FCM退化为FCM。给出了相应的模糊协方差SS-FCM交替优化算法。实验结果表明:1)改进算法具有相同的半监督作用,具有更清晰的物理解释。2)使用FCM算法对标记样本进行隶属度分配优于使用随机数。3)采用模糊协方差和少量精心选择的标记样本的SS-FCM可以有效提高准确率和收敛速度。
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引用次数: 16
Kinematics control for a 6-DOF space manipulator based on ARM processor and FPGA Co-processor 基于ARM处理器和FPGA协处理器的六自由度空间机械臂运动学控制
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618080
Zheng Yili, Sun Hanxu, Jia Qingxuan, Shi Guozhen
Based on ARM processor and FPGA co-processor, kinematics control for a 6-DOF (degree of freedom) space manipulator is realized in this paper. The ARM processor uses AT91FR40162, which mainly takes charge of the tractory planning for the space manipulator. Meanwhile, using the CORDIC (Coordinate Rotation Digital Computer) algorithm, the forward and inverse kinematics computation of the space manipulator are implemented in FPGA. This approach can effectively reduce the calculation time of kinematics control and optimize real-time performance of the space manipulator. The principle and architecture of CORDIC IP core are presented, and CORDIC-based pipelines for the kinematics computation are depicted. Furthermore, a novel fault-tolerance central controller for the space manipulator using ARM processor and FPGA co-processor is developed and the control flow is presented particularly. The ground simulative zero-gravity experiment shows that the performance of the central controller meets the real-time and accuracy requirement of the space manipulator.
基于ARM处理器和FPGA协处理器,实现了六自由度空间机械臂的运动学控制。ARM处理器采用AT91FR40162,主要负责空间机械臂的工厂规划。同时,利用坐标旋转数字计算机(CORDIC)算法,在FPGA上实现了空间机械臂的正逆运动学计算。该方法可有效减少空间机械臂运动控制的计算时间,优化空间机械臂的实时性。介绍了CORDIC IP核的工作原理和体系结构,描述了基于CORDIC的运动学计算流水线。在此基础上,提出了一种基于ARM处理器和FPGA协处理器的空间机械臂容错中央控制器,并详细介绍了其控制流程。地面模拟零重力实验表明,该中央控制器的性能满足空间机械臂的实时性和精度要求。
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引用次数: 8
A simulation platform for distributed energy optimization algorithms 分布式能源优化算法仿真平台
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618120
Peter Palensky, F. Kupzog, Adeel Abbas Zaidi, K. Zhou
Optimizing the energy system is vital for supply safety and efficient operation. One part of such optimization efforts are demand side measures. This article discusses a simulation platform for automated demand side management, i.e. automated load management. Up to now, the strategies and algorithms that decided where and when to take influence on the loads were very primitive. The complexity of the system did not allow for intuitively designing smarter algorithms. As the energy system is a wide area distributed system, questions about system stability, SCADA (supervisory control and data acquisition), reaction times or the relation to the wider environment (customer processes, energy market, etc.) are very difficult to research. The presented prototype is intended to offer a research platform for evaluating potential algorithms for their real-world usage. All relevant parts of the overall process ldquointelligent gridrdquo are modeled into the world of discrete event simulation and first implementation results are discussed.
优化能源系统对供电安全、高效运行至关重要。这种优化努力的一部分是需求方面的措施。本文讨论了一个自动化需求侧管理的仿真平台,即自动化负载管理。到目前为止,决定何时何地对负载施加影响的策略和算法都非常原始。系统的复杂性不允许直观地设计更智能的算法。由于能源系统是一个广域分布式系统,关于系统稳定性、SCADA(监控和数据采集)、反应时间或与更广泛环境(客户流程、能源市场等)的关系的问题是非常难以研究的。提出的原型旨在提供一个研究平台,用于评估潜在的算法在现实世界中的使用。将整个过程的所有相关部分建模到离散事件仿真的世界中,并讨论了首次实现结果。
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引用次数: 12
On technology for ontology-based product lifecycle knowledge integration 基于本体的产品生命周期知识集成技术研究
Pub Date : 2008-07-13 DOI: 10.1109/INDIN.2008.4618343
Yuh-Jen Chen, Yung-Sheng Su, Yuh-Min Chen, Meng-Sheng Wu
Compared with relying on the efforts of various enterprises collaborating on product lifecycle activities, such as coordination, communication and control, the ability to effectively share product information and knowledge is more important. Therefore, how to best integrate such heterogeneous product knowledge distributed among various cooperating enterprises has become an extremely important knowledge management subjects associated with collaborative product lifecycle. This study develops a novel mechanism for integrating ontology-based product lifecycle knowledge to effectively integrate the heterogeneous product knowledge distributed among different enterprises during a productpsilas lifecycle, thereby facilitating sharing of this product knowledge.
相对于依靠各企业协同完成产品生命周期活动的协调、沟通、控制等,有效共享产品信息和知识的能力更为重要。因此,如何对分布在各个合作企业之间的异构产品知识进行最佳整合,成为与协同产品生命周期相关的一个极其重要的知识管理课题。本研究提出了一种基于本体的产品生命周期知识集成机制,以有效集成产品生命周期中分布在不同企业之间的异构产品知识,促进产品知识的共享。
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引用次数: 0
期刊
2008 6th IEEE International Conference on Industrial Informatics
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