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2015 IEEE 20th Conference on Emerging Technologies & Factory Automation (ETFA)最新文献

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Robust industrial control with optimized decoupling in roll-to-roll systems: New approaches using finite element modeling of the Web 具有优化解耦的卷对卷系统鲁棒工业控制:使用网络有限元建模的新方法
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301642
Yannick Martz, A. Ba, D. Knittel
Roll-to-roll systems handling web material such as papers, polymers, textiles or metals are very common in the industry. Web handling systems are recently used to produce new technologies such as printed semi-conductors, thin solar panels, printed electronics, etc. In web handling systems, one of the main objectives is to reach a good accuracy of web tension and web speed. For the tuning of machineries, one-dimensional models are commonly used and they do not take into account several three-dimensional mechanical phenomena initiated by lateral components of the elastic web dynamics. It is necessary to develop new models in order to optimize roll-to-roll systems. This paper presents for the first time robust control applied to web dynamics modeled in 3D, including web tension decoupling between consecutive web spans.
卷对卷系统处理卷筒纸材料,如纸张,聚合物,纺织品或金属是非常常见的行业。卷筒纸处理系统最近被用于生产印刷半导体、薄太阳能板、印刷电子等新技术。在卷筒纸处理系统中,主要目标之一是达到良好的卷筒纸张力精度和卷筒纸速度。对于机械的调谐,通常使用一维模型,它们没有考虑由弹性腹板动力学的横向分量引起的几种三维力学现象。为了优化卷对卷系统,有必要开发新的模型。本文首次将鲁棒控制应用于三维腹板动力学建模,包括连续腹板跨间的腹板张力解耦。
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引用次数: 4
Dependability demands and state of the art in the internet of things 物联网的可靠性要求和技术水平
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301592
Thom W. Frühwirth, Lukas Krammer, W. Kastner
The number of devices connected to the Internet of Things (IoT) has steadily been increasing over the last years and so has the variety of applications. There is no sign for this trend to weaken. A broad subset of them imposes requirements on attributes, such as availability, reliability, safety and many more. These attributes are commonly subsumed under the term dependability. In this paper we first give a brief introduction to dependability. Three application scenarios typical for the IoT are presented and their demands for each dependability attribute are discussed. Furthermore, an overview of the current state of the art is presented. Last, a summary of required technologies and future research topics to enable dependability in the IoT is given.
在过去几年中,连接到物联网(IoT)的设备数量一直在稳步增加,各种应用程序也在不断增加。没有迹象表明这种趋势会减弱。它们中的一个广泛子集对属性施加需求,例如可用性、可靠性、安全性等等。这些属性通常包含在术语可靠性之下。本文首先对可靠性作了简要介绍。提出了物联网的三种典型应用场景,并讨论了它们对每个可靠性属性的需求。此外,还概述了目前的技术状况。最后,总结了实现物联网可靠性所需的技术和未来的研究课题。
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引用次数: 23
Context-aware system for information services provision in the Internet of Things 面向物联网信息服务提供的情境感知系统
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301624
Everton de Matos, Leonardo A. Amaral, R. Tiburski, W. T. Lunardi, Fabiano Hessel, S. Marczak
In the last years a new computing paradigm called Internet of Things (IoT) has been gaining more attention. This paradigm has become popular by embedding mobile network and processing capability into a wide range of physical computing devices used in everyday life of many people. An important part that composes the IoT is the middleware, which is a system that abstracts the management of physical devices and provides services based on the information of these devices. Context-aware is an important feature of IoT middleware systems. This feature allows to discover, understand, and store relevant information related to devices and their respective events. In this sense, this work aims to present an ongoing system that has been developed to provide services of contextualized information about IoT devices in heterogeneous environments.
在过去的几年里,一种被称为物联网(IoT)的新计算范式得到了越来越多的关注。这种模式通过将移动网络和处理能力嵌入到许多人日常生活中使用的各种物理计算设备中而变得流行。中间件是物联网的重要组成部分,它是对物理设备进行抽象管理,并根据这些设备的信息提供服务的系统。上下文感知是物联网中间件系统的一个重要特征。通过该特性可以发现、理解和存储设备及其事件的相关信息。从这个意义上说,这项工作旨在呈现一个正在进行的系统,该系统已被开发用于在异构环境中提供有关物联网设备的上下文化信息服务。
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引用次数: 10
Location Aided Zone Routing Protocol in Mobile Ad Hoc Networks 移动自组织网络中的位置辅助区域路由协议
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301615
Thu Pham Thi Minh, Trong-Tien Nguyen, Dong-Seong Kim
This paper proposes a geographical routing algorithm based on Zone Routing Protocol (ZRP) to limit the area for discovering a new route by utilizing location information of nodes. Mobile Ad Hoc Networks (MANETs) have attracted much attention in the research and the industry. In MANETs using ZRP algorithm, nodes use Route REQuest messages (RREQs) to obtain a new route often by bordercasting them to other nodes in the network if they does not find out the destination in their routing zone. This dissemination mechanism guarantees to seek a route from source to destination with high probability. However, it creates many useless routing overhead packets while limited bandwidth and energy consumption are very important issues in MANETs. In order to reduce routing overhead, this paper proposes an approach name Location-Aided Zone Routing Protocol (LAZRP). Simulation results confirm that the proposed algorithm can depress routing overhead and end-to-end delay.
本文提出了一种基于区域路由协议(Zone routing Protocol, ZRP)的地理路由算法,利用节点的位置信息来限制发现新路由的区域。移动自组网(manet)在研究和业界受到了广泛的关注。在使用ZRP算法的manet中,如果节点在自己的路由区域内没有找到目的地,则节点通常通过边界铸造路由请求消息(Route REQuest message, rreq)来获得新的路由。这种传播机制保证了高概率地寻找从源到目的的路由。然而,它产生了许多无用的路由开销数据包,而有限的带宽和能量消耗是manet中非常重要的问题。为了减少路由开销,本文提出了一种定位辅助区域路由协议(LAZRP)。仿真结果表明,该算法可以降低路由开销和端到端时延。
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引用次数: 14
Decentralized controller reconfiguration strategies for hybrid system dynamics based on product-intelligence 基于产品智能的混合系统动力学分散控制器重构策略
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301527
Fabian Bertelsmeier, A. Trächtler
In the area of product-based control of manufacturing processes, the potential to integrate intelligent products in process control has been recognized several times. However, the effect of greatly varying intelligent products on the control and hybrid system dynamics of the individual (sub-) processes have not been investigated. This article begins with a definition of product-intelligence and a distributed data and interface model. Based on this, a decentralized hybrid reconfiguration structure with different intelligence-based reconfiguration strategies as a function of varying product properties is presented, using the example of a conveyor belt system. Through the implementation on a industrial controller, it has been shown that the concept represents a further module in the realization of cyber-physical systems through comprehensive analysis and synthesis of a highly flexible hybrid control loop.
在基于产品的制造过程控制领域,将智能产品集成到过程控制中的潜力已被多次认识到。然而,大变化的智能产品对单个(子)过程的控制和混合系统动力学的影响尚未得到研究。本文首先介绍产品智能的定义以及分布式数据和接口模型。在此基础上,以输送带系统为例,提出了一种具有不同智能重构策略的分散混合重构结构。通过在工业控制器上的实现,表明该概念通过对高度灵活的混合控制回路的综合分析和综合,代表了实现网络物理系统的进一步模块。
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引用次数: 4
Combined workspace monitoring and collision avoidance for mobile manipulators 移动机械手工作空间监测与避碰的组合
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301526
Angelika Zube
For safe human-robot interaction and co-existence, collision avoidance is a fundamental prerequisite. Therefore, in this contribution a Nonlinear Model Predictive Control approach for fixed-base and mobile manipulators is presented that allows for avoiding self-collisions and collisions with static and dynamic obstacles while performing tasks defined in the Cartesian space. The collision avoidance takes not only the end-effector but the complete robot consisting of both platform and manipulator into account and relies on a 3D obstacle representation obtained by fusing information from multiple depth sensors. The obstacle representation is applicable to all kinds of objects. It considers occlusions behind the obstacles and the robot to make a conservative assumption on the obstacle size. In order to achieve realtime reactions to obstacles, the obstacle information used in one control step is restricted to the most relevant obstacles determined by distance computation. The method is validated by means of simulation and by application to an omnidirectional mobile manipulator with 10 degrees of freedom.
避免碰撞是实现人机安全交互与共存的基本前提。因此,在本贡献中,提出了一种用于固定基座和移动机械手的非线性模型预测控制方法,该方法允许在执行笛卡尔空间中定义的任务时避免自碰撞以及与静态和动态障碍物的碰撞。避碰不仅要考虑末端执行器,还要考虑由平台和机械手组成的整个机器人,并依赖于多个深度传感器信息融合得到的三维障碍物表示。障碍物表征适用于各种物体。它考虑障碍物后面的遮挡物和机器人对障碍物大小的保守假设。为了实现对障碍物的实时反应,在一个控制步骤中使用的障碍物信息被限制为距离计算确定的最相关的障碍物。通过仿真验证了该方法的有效性,并将其应用于一个10自由度的全向移动机械臂。
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引用次数: 6
Efficient incident handling in industrial automation through collaborative engineering 协同工程在工业自动化中的高效事件处理
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301533
J. Blech, I. Peake, H. Schmidt, Mallikarjun Kande, A. Rahman, S. Ramaswamy, S. Sudarsan, V. Narayanan
We present our monitoring and decision framework for collaborative engineering for globally distributed operation, support, maintenance, and services for industrial automation. The framework provides relevant information to plant operators, engineers, staff and stakeholders to support the handling of incidents, based on semantically-appropriate factors such as personnel skills, physical location of affected equipment and dependencies between plant elements. We discuss the proposed application and present the architecture and implementation. Based on incoming events the framework selects, aggregates and displays information automatically for human processing possibly at distant control centres. For example an alarm in a manufacturing facility can trigger the display of relevant information on multiple devices such as workstations, tablets, or large control-room screens to supervisors and experts. Devices can be potentially in different locations and can comprise different visualization capabilities. The core of our framework uses semantic models and formal methods-based techniques to aggregate and process this information.
我们为全球分布式工业自动化操作、支持、维护和服务的协同工程提供监控和决策框架。该框架根据人员技能、受影响设备的物理位置和工厂要素之间的依赖关系等语义上适当的因素,为工厂操作员、工程师、员工和利益相关者提供相关信息,以支持事故的处理。我们讨论了提出的应用程序,并给出了体系结构和实现。根据传入的事件,该框架自动选择、汇总和显示信息,以便可能在远程控制中心进行人工处理。例如,制造工厂的警报可以触发在多个设备(如工作站、平板电脑或大型控制室屏幕)上向主管和专家显示相关信息。设备可能位于不同的位置,并且可以包含不同的可视化功能。我们框架的核心使用语义模型和基于形式化方法的技术来聚合和处理这些信息。
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引用次数: 26
RTFM-RT: A threaded runtime for RTFM-core - towards execution of IEC 61499 RTFM-RT:面向IEC 61499执行的rtfm核心的线程运行时
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301501
Andreas Lindner, Marcus Lindner, P. Lindgren
The IEC 61449 standard provides an outset for designing and deploying distributed control systems. Recently, a mapping from IEC 61499 to the RTFM-kernel API has been presented. This allows predictable real-time execution of IEC 61499 applications on light-weight single-core platforms. However, integrating the RTFM-kernel (bare-metal runtime) into potential deployments requires developing device drivers, protocol stacks, and the like. For this presentation, we apply the mapping from IEC 61499 to the RTFM-MoC task and resource model implemented by the RTFM-core language. The compilation from RTFM-core can be targeted to both, RTFM-kernel and the introduced runtime system RTFM-RT. In this paper, we detail the generic RTFM-RT runtime architecture, which allows RTFM-core programs to be executed on top of thread based environments. Furthermore, we discuss our implementation regarding scheduling specifics of Win32 threads (Windows) and Pthreads (Linux and Mac OS X). Using our RTFM-RT implementation for deployment, predictable IEC 61499 execution together with access to abovementioned operating system functions are achieved. For further developments, we discuss the needed scheduling options to achieve hard real-time and analysis required to eliminate deadlocks.
IEC 61449标准为设计和部署分布式控制系统提供了一个开端。最近,给出了从IEC 61499到rtfm内核API的映射。这允许在轻量级单核平台上可预测地实时执行IEC 61499应用程序。然而,将rtfm内核(裸机运行时)集成到潜在的部署中需要开发设备驱动程序、协议栈等。在本演示中,我们将IEC 61499中的映射应用于RTFM-MoC任务和资源模型,该模型由rtfm核心语言实现。从RTFM-core编译可以同时针对RTFM-kernel和引入的运行时系统RTFM-RT。在本文中,我们详细介绍了通用的RTFM-RT运行时体系结构,该体系结构允许在基于线程的环境之上执行rtfm核心程序。此外,我们还讨论了关于Win32线程(Windows)和Pthreads (Linux和Mac OS X)调度细节的实现。使用我们的RTFM-RT实现进行部署,实现了可预测的IEC 61499执行以及对上述操作系统功能的访问。对于进一步的开发,我们将讨论实现硬实时所需的调度选项和消除死锁所需的分析。
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引用次数: 4
DuDE-Cloud: A resilient high performance cloud DuDE-Cloud:弹性的高性能云
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301658
P. Danielis, J. Skodzik, Vlado Altmann, F. Golatowski, D. Timmermann
In recent years, cloud computing, which provides users with network resources such as memory and computing power depending on the users' needs, has gained enormously in importance. Providers such as Amazon allow the users to access their cloud storage and computing resources by different interfaces. In this regard, guaranteeing compatibility is a severe issue as many different proprietary interfaces exist for accessing data in different clouds. The solution to this problem is the RESTful Cloud Data Management Interface (CDMI) standard, which has passed the ISO audit as first standard and is therefore evolving into the most common standard for accessing clouds. This paper investigates the combination of CDMI with a P2P-based storage and computing back-end in order to realize a self-organizing cloud for distributed data storage and processing called DuDE-Cloud. The basis is the self-organizing hash table (DHT)-based P2P storage and computing back-end called DuDE, which utilizes the DHT protocol Kad. DuDE is able to bundle existing storage and computing resources of different devices dynamically and has already proven its advantageous performance over centralized solutions. In a test scenario, resources of DuDE-Cloud were successfully accessed through CDMI using a GUI front-end thereby proving the proper functionality. As a result, a resilient high-performance distributed cloud solution is available that is compatible with other clouds.
近年来,云计算根据用户的需求为用户提供内存和计算能力等网络资源,其重要性日益凸显。像Amazon这样的提供商允许用户通过不同的接口访问他们的云存储和计算资源。在这方面,保证兼容性是一个严重的问题,因为存在许多不同的专有接口来访问不同云中的数据。这个问题的解决方案是RESTful云数据管理接口(CDMI)标准,它已经作为第一标准通过了ISO审核,因此正在发展成为访问云的最常用标准。本文研究了将CDMI与基于p2p的存储和计算后端相结合,以实现分布式数据存储和处理的自组织云,称为DuDE-Cloud。其基础是基于自组织哈希表(DHT)的P2P存储和计算后端,称为DuDE,它利用DHT协议Kad。DuDE能够动态捆绑不同设备的现有存储和计算资源,并且已经证明了其优于集中式解决方案的性能。在测试场景中,使用GUI前端通过CDMI成功访问了DuDE-Cloud的资源,从而证明了其正确的功能。因此,可以使用与其他云兼容的弹性高性能分布式云解决方案。
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引用次数: 0
A Modbus/TCP Fuzzer for testing internetworked industrial systems 用于测试联网工业系统的Modbus/TCP模糊器
Pub Date : 2015-10-26 DOI: 10.1109/ETFA.2015.7301400
A. Voyiatzis, Konstantinos Katsigiannis, S. Koubias
Modbus/TCP is a network protocol for industrial communications encapsulated in TCP/IP network packets. There is an increasing need to test existing Modbus protocol implementations for security vulnerabilities, as devices become accessible even from the Internet. Fuzz testing can be used to discover implementation bugs in a fast and economical way. We present the design and implementation of MTF, a Modbus/TCP Fuzzer. The MTF incorporates a reconnaissance phase in the testing procedure so as to assist mapping the capabilities of the tested device and to adjust the attack vectors towards a more guided and informed testing rather than plain random testing. The MTF was used to test eight implementations of the Modbus protocol and revealed bugs and vulnerabilities that crash the execution, effectively resulting in denial of service attacks using only a few network packets.
Modbus/TCP是一种封装在TCP/IP网络数据包中的工业通信网络协议。随着设备甚至可以从Internet访问,测试现有Modbus协议实现的安全漏洞的需求越来越大。模糊测试可以用来以一种快速而经济的方式发现实现错误。介绍了Modbus/TCP模糊器MTF的设计与实现。MTF在测试过程中包含了一个侦察阶段,以帮助绘制被测试设备的功能,并将攻击向量调整为更有指导和知情的测试,而不是简单的随机测试。MTF被用来测试Modbus协议的八种实现,并揭示了导致执行崩溃的错误和漏洞,仅使用少量网络数据包就有效地导致拒绝服务攻击。
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引用次数: 50
期刊
2015 IEEE 20th Conference on Emerging Technologies & Factory Automation (ETFA)
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