基于双CPU的双以太网与双RS-422交互通信技术  

Dual Ethernet and dual RS-422 interactive communication technology based on dual CPU

作　　者：何凯彦 李维波 许智豪 徐聪 李巍 HE Kaiyan;LI Weibo;XU Zhihao;XU Cong;LI Wei(School of Automation,Wuhan University of Technology,Wuhan 430070,China)

机构地区：[1]武汉理工大学自动化学院,湖北武汉430070

出　　处：《中国舰船研究》2020年第3期177-184,共8页Chinese Journal of Ship Research

基　　金：国家部委基金资助项目(嵌入式低压电站控制软件研制及测试,舰船电力系统在线风险评估方法研究,舰船通信系统可靠性设计技术研究)。

摘　　要：[目的]随着舰船综合电力系统(Integrated Power System,IPS)电气化水平的不断提高,舰船实时获得设备信息和实现智能化控制是保证设备安全稳定运行、正确决策的前提。[方法]搭建基于双CPU的双以太网与双RS-422交互通信系统,研究该系统的硬件和软件实现方法。[结果]在发生故障时能够快速切换到备用网络,从而保证现场信息的实时传输,增强系统的抗干扰能力和通信可靠性。[结论]该通信系统在舰船综合电力能量管理系统、分布式变电站、电力电子变换装置和工业现场监控系统等需要实时在线监测和数据传输的场合具备较高的使用价值。[Objectives]With the continuous improvement of the electrification level of the Integrated Power System(IPS),real-time acquisition of equipment information and intelligent control of ships are prerequisites for ensuring safe and stable operation of equipment and correct decision-making.[Methods]In this paper,a dual-CPU-based dual Ethernet and dual RS-422 interactive communication system was built,and the hardware and software implementation of this interactive communication system was studied.[Results]It can quickly switch to the standby network in the event of a fault,thereby ensuring real-time transmission of on-site information and enhancing the anti-jamming capability and communication reliability of the system.[Conclusions]The communication system has high use value in the occasions where real-time online monitoring and data transmission are required,such as in the ship's integrated power energy management system,distributed substation,power conversion device and industrial field monitoring system.

关 键 词：以太网 RS-422 冗余设计 通信系统 

分 类 号：U662.9[交通运输工程—船舶及航道工程]