基于EtherCAT的柔壁喷管型面监测系统  

Flexible Nozzle Profile Monitoring System Based on EtherCAT

作　　者：邓章林 荣祥森 贾霜 阎成 Deng Zhanglin;Rong Xiangsen;Jia Shuang;Yan Cheng(High Speed Institute of China Aerodynamics Research&Development Center,Mianyang 621000,China)

机构地区：[1]中国空气动力研究与发展中心高速空气动力研究所,四川绵阳621000

出　　处：《兵工自动化》2021年第5期45-50,共6页Ordnance Industry Automation

摘　　要：为提升风洞柔壁喷管型面监测系统运行的安全性,设计一套柔壁喷管型面监测系统。结合柔壁喷管的实际特点,利用旋转编码器和行程开关实现柔壁型面位置监测,运用油压和直线位移传感器实现液压运行过程监测,搭建基于EtherCAT技术的环网,通过总线技术实现分布式采集和集中式数据处理,给出人机监测画面和实用的故障诊断方法。运行结果表明:该系统能实时有效监测柔壁喷管型面,提升柔壁喷管使用过程中的安全性。For improving safety degree of wind tunnel flexible nozzle profile monitoring system operation,design flexible nozzle profile monitoring system.Combine with the flexible nozzle characters,use rotating encoder and travel switch to realize position monitoring of flexible nozzle profile,use oil pressure and straight line position sensor to realize hydraulic operation monitoring,establish ring net based on EtherCAT technology,realize distributed collection and centralized data processing by bus technology,and put forward man-machine monitoring scene and practical failure diagnosis method.The operation results show that the system can efficiently realize flexible nozzle profile monitoring in real time,and improve operation safety degree of flexible nozzle.

关 键 词：风洞 柔壁喷管 监测 诊断 

分 类 号：V211.74[航空宇航科学与技术—航空宇航推进理论与工程]