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首页> 外文期刊>Journal of Intelligent Manufacturing >A packet scheduler for real-time 6LoWPAN wireless networks in manufacturing systems
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A packet scheduler for real-time 6LoWPAN wireless networks in manufacturing systems

机译：用于制造系统中实时 6LoWPAN 无线网络的数据包调度器

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摘要

Modern manufacturing processes rely on industrial Wireless Sensor Networks (WSN) for the monitoring of parameters critical for a broad range of applications. One of the most important standards used for the implementation of industrial WSN is the IPv6 over Low power Wireless Personal Area Networks (6LoWPAN). This standard provides wireless internet connectivity, warranting interoperability with already existing infrastructures. Due to the increasing importance of the process monitoring in the manufacturing domain, it is required that the 6LoWPAN transmission control mechanisms are efficient, robust and that they guarantee real-time responses with low data losses. This paper presents a packet scheduler for real-time 6LoWPAN wireless networks in manufacturing systems that adapts wireless scheduling mechanisms and decision algorithms to the IEEE 802.15.4 beacon-enabled mode. In previous works, the scheduling algorithm does not change during the packet scheduling process. The work described in this paper proposes a new approach to the design of scheduling mechanisms by presenting a scheduling system that can adapt to the dynamic wireless traffic of industrial WSN. The system implemented manages the channel access by allocating Guaranteed Time Slots to sensor nodes according to the priority given by scheduling algorithms that are selected according to the traffic condition of the network.
机译：现代制造工艺依靠工业无线传感器网络 （WSN） 来监控对各种应用至关重要的参数。用于实施工业 WSN 的最重要标准之一是基于低功耗无线个人局域网 （6LoWPAN） 的 IPv6。该标准提供无线互联网连接，保证与现有基础设施的互操作性。由于过程监控在制造领域的重要性日益增加，因此要求6LoWPAN传输控制机制高效、稳健，并保证实时响应和低数据丢失。本文介绍了一种用于制造系统中实时 6LoWPAN 无线网络的数据包调度器，该调度器使无线调度机制和决策算法适应 IEEE 802.15.4 信标启用模式。在以前的工作中，调度算法在数据包调度过程中不会改变。本文所描述的工作提出了一种新的调度机制设计方法，提出了一种能够适应工业WSN动态无线流量的调度系统。所实现的系统根据根据网络流量状况选择的调度算法给出的优先级，通过为传感器节点分配保证时隙来管理信道访问。

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