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2016 IEEE 14th International Conference on Industrial Informatics (INDIN)最新文献

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LPV modelling and LPV observer-based fault detection for wind turbine systems 风电系统LPV建模及基于LPV观测器的故障检测
Pub Date : 2016-07-20 DOI: 10.1109/INDIN.2016.7819206
Hui Shao, Zhiwei Gao, K. Busawon
In this paper, linear parameter varying (LPV) modelling technique is addressed for modelling a wind turbine system, with real-time changing scheduling parameters. Based on the LPV wind turbine model, a LPV observer-based fault detection method is utilized to detect faults under four scenarios. The effectiveness of the proposed modelling and fault detection techniques is demonstrated by using the widely-recognized wind turbine benchmark system.
本文研究了具有实时变化调度参数的风力发电机组系统的线性变参数建模技术。基于LPV风力机模型,采用基于LPV观测器的故障检测方法对四种场景下的故障进行检测。通过广泛认可的风力机基准系统验证了所提出的建模和故障检测技术的有效性。
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引用次数: 1
Efficient OPC UA binary encoding considerations for embedded devices 嵌入式设备的高效OPC UA二进制编码考虑
Pub Date : 2016-07-19 DOI: 10.1109/INDIN.2016.7819339
C. Iatrou, L. Urbas
The implementation of software based OPCUA servers on computing platforms in actuators and sensors of the field layer remains a challenge due to the protocols high memory and bandwidth prerequisites. This paper discusses encoding aspects of OPC UA binary data representations for devices with limited random access memory and low fieldbus throughput, especially focusing on single-chip microcomputing platforms. Efficient and machine-friendly binary representations of OPC UA data models are derived by examining the structure of OPC UA data and optimizing their representation in regard to 8 bit serial, non-volatile memory components. Transport compression mechanisms, aiming to reduce bandwidth requirements in crowded or low bandwidth networks, are also introduced. While the memory usage of information models could be significantly reduced to (116 kB for Namespace 0), it was shown transport compression cannot yield bandwidth improvements unless data is compressed as a service.
在现场层执行器和传感器的计算平台上实现基于软件的OPCUA服务器仍然是一个挑战,因为该协议具有高内存和带宽的先决条件。本文讨论了随机存取存储器有限和现场总线吞吐量低的设备的OPC UA二进制数据表示的编码方面,特别是针对单片机微计算平台。通过检查OPC UA数据的结构并优化它们在8位串行、非易失性存储器组件方面的表示,得出了OPC UA数据模型的有效和机器友好的二进制表示。还介绍了传输压缩机制,旨在减少拥挤或低带宽网络中的带宽需求。虽然信息模型的内存使用可以显著减少到(对于命名空间0来说是116 kB),但是数据传输压缩不能提高带宽,除非将数据作为服务进行压缩。
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引用次数: 7
Detecting illegally parked vehicle based on cumulative dual foreground difference 基于累积双前景差的非法停放车辆检测
Pub Date : 2016-07-19 DOI: 10.1109/INDIN.2016.7819263
Wahyono, A. Filonenko, K. Jo
As one of the traffic monitoring tasks, detecting an illegally parked vehicle aims to prevent car crashing between parked and other vehicles. However, developing such a task becomes more complex due to weather conditions, occlusion, illumination changing, and other factors. This work addresses a framework to detect an illegally parked vehicle using a cumulative dual foreground difference. In our framework, two background models with different learning rates are generated based on a Gaussian mixture model, defined as short- and long-term models. Each model extracts foreground pixels and the stability of these pixels are then analyzed based on cumulative values and temporal positions over a certain period of time. Subsequently, the connected component labeling is performed on the static pixels to form stable regions. To determine whether the candidate region is vehicle, a rule-based filtering approach is performed. Finally, the detection-based tracking is applied to reduce false positives. The effectiveness of the proposed framework is evaluated using i-LIDS and ISLab dataset. The experiment results show that the proposed framework is efficient and robust to detect an illegally parked vehicle. Thus, it can be considered as one of the task solutions for a traffic monitoring system.
检测违章停放车辆是交通监控任务之一,其目的是防止车辆与其他车辆发生碰撞。然而,由于天气条件、遮挡、光照变化和其他因素,开发这样的任务变得更加复杂。这项工作提出了一个使用累积双重前景差来检测非法停放车辆的框架。在我们的框架中,基于高斯混合模型生成了两个具有不同学习率的背景模型,定义为短期和长期模型。每个模型提取前景像素,然后根据一定时间内的累积值和时间位置分析这些像素的稳定性。随后,在所述静态像素上进行所述连接的分量标记以形成稳定区域。为了确定候选区域是否为车辆,执行基于规则的过滤方法。最后,应用基于检测的跟踪来减少误报。使用i-LIDS和ISLab数据集评估了该框架的有效性。实验结果表明,该框架对非法停车车辆的检测具有较好的鲁棒性和有效性。因此,它可以被认为是交通监控系统的任务解决方案之一。
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引用次数: 5
Pattern-based control-code synthesis 基于模式的控制代码合成
Pub Date : 2016-07-19 DOI: 10.1109/INDIN.2016.7819330
Steffen Henning, J. Otto, O. Niggemann
Manufacturing plants become more complex as the desire for modern individual products increases. Programming such plants is a challenging task that consumes a lot of time. This paper proposes a new control-code synthesis algorithm, which aids the programmer by automatically generating parts of the control-code. With the new algorithm, the programmer only has to specify and parametrize the general production process, e.g. drill a hole then paint the workpiece. The control-code for all intermediate processes, like transporting the workpiece from the drilling machine to the paint-spray station is generated automatically. This saves much engineering time and enables the programmer to focus on more challenging tasks, such as process optimisation.
随着对现代个体产品需求的增加,制造工厂变得更加复杂。为这样的工厂编程是一项具有挑战性的任务,需要花费大量时间。本文提出了一种新的控制代码合成算法,该算法通过自动生成部分控制代码来帮助编程人员。有了新的算法,程序员只需要指定和参数化一般的生产过程,例如钻一个孔,然后给工件上漆。所有中间工序的控制代码都是自动生成的,比如将工件从钻床运送到喷漆站。这节省了大量的工程时间,并使程序员能够专注于更具挑战性的任务,例如流程优化。
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引用次数: 0
Power distribution network reconfiguration based on min-cost flow problem 基于最小成本流问题的配电网重构
Pub Date : 2016-07-19 DOI: 10.1109/INDIN.2016.7819174
Abdelkrim Ali Zazou, E. Grolleau, Emilie Chevrier, P. Richard, J. Gaubert, Ladjel Bellatreche
In this paper a network reconfiguration model aimed to be used in an industrial context is presented. It is based on a min-cost flow problem (MCFP) and a simplified power flow calculation. Mixed Integer Quadratic Constrained Programming (MIQCP) and Mixed Integer Non linear Programming (MINLP) are used and compared to compute the network reconfiguration with off-the-shelf optimization solvers. Two test cases are presented, a small academic network and a real case study. The paper shows experimentally that simplification on model level can be more efficient than simplification on the solving level for real world problems.
本文提出了一种适用于工业环境的网络重构模型。它是基于最小成本潮流问题(MCFP)和简化的潮流计算。采用混合整数二次约束规划(MIQCP)和混合整数非线性规划(MINLP)进行了比较,并利用现有的优化求解器计算了网络重构。给出了两个测试用例,一个小型学术网络和一个真实的案例研究。实验表明,在模型层次上的简化比在求解层次上的简化更有效。
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引用次数: 0
A character-level sequence-to-sequence method for subtitle learning 字幕学习的字符级序列到序列方法
Pub Date : 2016-07-19 DOI: 10.1109/INDIN.2016.7819265
Haijun Zhang, Jingxuan Li, Yuzhu Ji, Heng Yue
This paper presents a character-level sequence-to-sequence learning method, RNNembed. Specifically, we embed a Recurrent Neural Network (RNN) into an encoder-decoder framework and generate character-level sequence representation as input. The dimension of input feature space can be significantly reduced as well as avoiding the need to handle unknown or rare words in sequences. In the language model, we improve the basic structure of a Gated Recurrent Unit (GRU) by adding an output gate, which is used for filtering out unimportant information involved in the attention scheme of the alignment model. Our proposed method was examined in a large-scale dataset on a task of English-to-Chinese translation. Experimental results demonstrate that the proposed approach achieves a translation performance comparable, or close, to conventional word-based and phrase-based systems.
本文提出了一种字符级的序列到序列学习方法RNNembed。具体来说,我们将递归神经网络(RNN)嵌入到编码器-解码器框架中,并生成字符级序列表示作为输入。输入特征空间的维数可以显著降低,并且可以避免处理序列中未知或罕见的单词。在语言模型中,我们通过增加一个输出门来改进门控循环单元(GRU)的基本结构,该输出门用于过滤掉对齐模型的注意方案中涉及的不重要信息。我们提出的方法在一个大规模的数据集上进行了英汉翻译任务的检验。实验结果表明,该方法的翻译性能与传统的基于词和短语的系统相当或接近。
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引用次数: 4
Semantic integration of multi-agent systems using an OPC UA information modeling approach 基于OPC UA信息建模方法的多智能体系统语义集成
Pub Date : 2016-07-19 DOI: 10.1109/INDIN.2016.7819258
Max Hoffmann, Philipp Thomas, D. Schütz, B. Vogel‐Heuser, Tobias Meisen, S. Jeschke
In terms of current industrial manufacturing sites, a major challenge is to deal with growing complexity by enabling intelligence on the shop floor of existing production processes. A possible solution to reach this goal consists in an integration of smart cyber-physical production systems into the automation systems of a production. One promising approach to do so is based on the agent paradigm. By deploying Multi-Agent Systems into the manufacturing components, each production step is able to gain a self-representation and to achieve intelligent behavior of the entire system. One problem though is the formalization of agent based systems and their communication among each other, which is currently rather hard-coded or application-specific. In this research paper, we propose an architectural approach for a Multi-Agent System that is based on OPC UA as modeling interface and as semantic approach for the integration of agent-based systems into existing manufacturing sites. For this purpose, we define a domain ontology for the representation of intelligent software agents and for the mapping of an agent-based communication by making use of the OPC UA meta model. Due to this conceptual approach, the integration of intelligent entities such as agents into grown manufacturing systems can be performed in a structured and well-defined way as well as by using existing interfaces and semantic standards. The according agent representation intends to upgrade all production resources that can be linked through OPC UA with intelligent behavioral skills. We evaluate the proposed concept by means of an Industry 4.0 demonstrator implementing agents for the representation actual manufacturing machinery based on Raspberry Pi devices.
就目前的工业制造场所而言,一个主要的挑战是通过在现有生产过程的车间中启用智能来处理日益增长的复杂性。实现这一目标的一个可能的解决方案是将智能网络物理生产系统集成到生产的自动化系统中。一种很有前途的方法是基于代理范式。通过将多代理系统部署到制造组件中,每个生产步骤都能够获得一个自我表示,并实现整个系统的智能行为。然而,一个问题是基于代理的系统的形式化以及它们之间的通信,目前这是相当硬编码的或特定于应用程序的。在这篇研究论文中,我们提出了一种多智能体系统的架构方法,该系统基于OPC UA作为建模接口,并作为将基于智能体的系统集成到现有制造站点的语义方法。为此,我们定义了一个领域本体来表示智能软件代理,并利用OPC UA元模型来映射基于代理的通信。由于这种概念方法,智能实体(如代理)集成到成熟的制造系统中可以以结构化和定义良好的方式执行,也可以使用现有的接口和语义标准。根据agent表示,将所有可以通过OPC UA链接的生产资源用智能行为技能进行升级。我们通过工业4.0演示器来评估所提出的概念,该演示器实现代理表示基于树莓派设备的实际制造机械。
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引用次数: 19
Toward smarter service systems through service-oriented data analytics 通过面向服务的数据分析实现更智能的服务系统
Pub Date : 2016-07-19 DOI: 10.1109/INDIN.2016.7819295
Chiehyeon Lim, P. Maglio, Kwang-Jae Kim, Min-Jun Kim, Ki-hun Kim
Various types and massive amounts of data are being collected through physical and social sensing. In many cases of data use, the results and value of data analytics are conveyed to specific beneficiaries (e.g., individuals and organizations) within a service system, such as a transportation, energy supply, or healthcare service system. Thus, data-use can be directed and improved based on considerations of the relevant service system. In this paper, we suggest that effective use of data analytics can be guided by the question, “How does data analytics contribute to the creation of a smarter service system?” To facilitate answers to this question, we define a smart service system from a data application perspective, and propose a specific approach, serviceoriented data analytics, based on eight case studies related to smart service systems. We introduce an ongoing case study to demonstrate the applicability and utility of our proposals.
通过物理和社会感知正在收集各种类型和大量的数据。在许多数据使用的情况下,数据分析的结果和价值被传达给服务系统内的特定受益人(例如,个人和组织),例如运输、能源供应或医疗保健服务系统。因此,可以根据相关服务系统的考虑来指导和改进数据的使用。在本文中,我们建议通过“数据分析如何有助于创建更智能的服务系统”这个问题来指导数据分析的有效使用?为了方便回答这个问题,我们从数据应用的角度定义了智能服务系统,并基于八个与智能服务系统相关的案例研究,提出了一种具体的方法——面向服务的数据分析。我们将介绍一个正在进行的案例研究,以演示我们的建议的适用性和实用性。
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引用次数: 9
Anomaly detection on data streams for machine condition monitoring 机器状态监测数据流异常检测
Pub Date : 2016-07-19 DOI: 10.1109/INDIN.2016.7819365
T. Brandt, M. Grawunder, Hans-Jürgen Appelrath
Machine Condition Monitoring (MCM) is an important topic for the reliability of industrial machines in increasingly interconnected production facilities. The analysis of a huge amount of data to get information about the machine's condition is a difficult challenge. Current solutions for these analyses are often very specific, need a lot of manual configuration or are difficult to apply. In this paper, we present a system that uses anomaly detection in data streams to find hints for faulty machines in the data. The basis of this system is a Data stream management system (DSMS), which can handle huge amounts of streaming data and simplifies the definition of analyses. Due to the anomaly detection algorithms, the approach can be applied to a variety of data and scenarios. The outcome is a system that allows live analysis of machine data for MCM.
在日益互联的生产设施中,机器状态监测(MCM)是保证工业机器可靠性的一个重要课题。对大量数据进行分析以获取有关机器状况的信息是一项艰巨的挑战。这些分析的当前解决方案通常非常具体,需要大量的手动配置,或者很难应用。在本文中,我们提出了一个利用数据流中的异常检测来发现数据中故障机器的提示的系统。该系统的基础是一个数据流管理系统(DSMS),它可以处理大量的流数据,简化分析的定义。由于异常检测算法,该方法可以应用于各种数据和场景。其结果是一个允许实时分析MCM机器数据的系统。
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引用次数: 2
Implementation framework for cloud-based holonic control of cyber-physical production systems 基于云的网络物理生产系统全息控制的实现框架
Pub Date : 2016-07-19 DOI: 10.1109/INDIN.2016.7819179
F. Quintanilla, O. Cardin, A. L'Anton, P. Castagna
This work intends to introduce a new implementation framework, based on the classical holonic paradigm, for partly distributing the intelligence surrounding cyber-physical production systems in the cloud. In order to achieve this transfer, an innovative framework is proposed and the interface between local and cloud platform is extensively justified and described. A performance evaluation of this framework is achieved through its implementation on a fully automated industrial-sized assembly line equipped with 6 axis robots. The chosen performance indicator is the volume of data exchanged during production in order to validate the positioning of the interface in the framework. The results show a low volume of messages exchanged through the interface and a distribution of the volume along time making it valuable for further developments.
这项工作旨在引入一种新的实现框架,基于经典的全息范式,用于在云中部分分布围绕网络物理生产系统的智能。为了实现这种转移,提出了一个创新的框架,并对本地平台和云平台之间的接口进行了广泛的论证和描述。通过在配备6轴机器人的全自动化工业规模装配线上实施该框架,实现了对该框架的性能评估。所选择的性能指标是为了验证接口在框架中的位置而在生产过程中交换的数据量。结果表明,通过该接口交换的消息量很少,并且该量随时间的分布使其对进一步开发具有价值。
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引用次数: 7
期刊
2016 IEEE 14th International Conference on Industrial Informatics (INDIN)
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