Modern telecommunication methods have many impacts on manufacturing, and tele service has become one of the strategic approaches to realize the ideas of a flexible manufacturing system. Monitoring and maintenance of ...Modern telecommunication methods have many impacts on manufacturing, and tele service has become one of the strategic approaches to realize the ideas of a flexible manufacturing system. Monitoring and maintenance of production lines from the remote monitor center is an important application of such techniques. This paper presents a typical model of tele service systems and discusses the underlying challenges. RMMST (remote monitoring and maintenance system testbed), based on PC PLC and their networks which are used widely in production lines, is presented in detail as a concrete example. With the support of digital technique, RMMST can be used in the monitoring and maintenance of remote production lines conveniently.展开更多
为解决工业现场通信网络普遍存在的协议碎片化、拓扑灵活性不足及实时性与带宽难以兼顾等问题,设计了一种基于可编程逻辑控制器(Programmable Logic Controller,PLC)与分布式控制系统(Distributed Control System,DCS)的工业现场通信网...为解决工业现场通信网络普遍存在的协议碎片化、拓扑灵活性不足及实时性与带宽难以兼顾等问题,设计了一种基于可编程逻辑控制器(Programmable Logic Controller,PLC)与分布式控制系统(Distributed Control System,DCS)的工业现场通信网络系统。该系统通过整合多协议网关与冗余控制架构,实现了异构协议的协同工作,并采用混合拓扑结构与优先级队列机制,有效提升了数据传输的可靠性与网络扩展能力。测试结果表明,该系统能够降低协议转换错误率和传输延迟,提高带宽利用率,为复杂工业环境下的设备互联与数据交互提供了技术支撑。展开更多
文摘Modern telecommunication methods have many impacts on manufacturing, and tele service has become one of the strategic approaches to realize the ideas of a flexible manufacturing system. Monitoring and maintenance of production lines from the remote monitor center is an important application of such techniques. This paper presents a typical model of tele service systems and discusses the underlying challenges. RMMST (remote monitoring and maintenance system testbed), based on PC PLC and their networks which are used widely in production lines, is presented in detail as a concrete example. With the support of digital technique, RMMST can be used in the monitoring and maintenance of remote production lines conveniently.
文摘为解决工业现场通信网络普遍存在的协议碎片化、拓扑灵活性不足及实时性与带宽难以兼顾等问题,设计了一种基于可编程逻辑控制器(Programmable Logic Controller,PLC)与分布式控制系统(Distributed Control System,DCS)的工业现场通信网络系统。该系统通过整合多协议网关与冗余控制架构,实现了异构协议的协同工作,并采用混合拓扑结构与优先级队列机制,有效提升了数据传输的可靠性与网络扩展能力。测试结果表明,该系统能够降低协议转换错误率和传输延迟,提高带宽利用率,为复杂工业环境下的设备互联与数据交互提供了技术支撑。
