大型海上浮吊吊臂桁架结构光纤光栅实时监测系统研究  

Fiber bragg grating real-time monitoring system of boom truss structure of large-scale offshore floating crane

作　　者：祁耀斌[1] 何进飞[1] 梁磊[1] 

机构地区：[1]武汉理工大学光纤传感技术国家工程实验室,湖北武汉430070

出　　处：《中南大学学报（自然科学版）》2012年第9期3455-3463,共9页Journal of Central South University:Science and Technology

基　　金：国家自然科学基金重大资助项目(20111g0088)

摘　　要：针对大型海上浮吊吊臂桁架结构的健康监护,提出基于光纤光栅传感的大型海上浮吊吊臂桁架结构健康监测系统。从大型海上浮吊吊臂桁架结构的金属特性出发,研发粘贴式光纤光栅应力传感器。通过实验验证粘贴式光纤光栅应力传感器的温度补偿,提出低通滤波温度补偿方案,开发基于光纤光栅传感的大型海上浮吊吊臂桁架结构健康监测系统,初步实现光纤光栅波长测量与显示、数据接收与显示、应力分析与显示、起重数据显示、称质量标定、系统设置、专家分析、数据统计和用户设置共9类功能。Aimed at large-scale offshore floating crane boom truss structural health monitoring,a large-scale offshore floating crane boom truss structural health monitoring system based on fiber bragg grating sensor was proposed.Based on metal feature of large-scale offshore floating crane boom truss structure,bonded fiber bragg grating strain sensors was invented.Temperature compensation of bonding fiber bragg grating strain sensors was verified through experiment,temperature compensation scheme of low-pass filter was proposed,and large-scale offshore floating crane boom truss structural health monitoring system based on fiber bragg grating sensor was developed.The function such as Fiber Bragg grating wavelength measurement and display,data reception and display,strain analysis and lifting data display,weighing calibration,system settings,expert analysis,statistics and user settings was realized preliminary.

关 键 词：大型海上浮吊 吊臂桁架结构 粘贴式光纤光栅应力传感器 健康监护 实时监测 温度补偿 低通滤波温度补偿 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]