基于新型光纤智能结构的远程监控物联网系统设计  

Design of Remote Monitoring Internet of Things System for New Optical Fiber Smart Structure

作　　者：沈令斌[1] 赵志敏[1] 俞晓磊[2] 

机构地区：[1]南京航空航天大学理学院,南京210016 [2]江苏省标准化研究院,南京210029

出　　处：《南京航空航天大学学报》2015年第3期453-458,共6页Journal of Nanjing University of Aeronautics & Astronautics

基　　金：国家自然科学基金(61475071)资助项目;江苏省自然科学基金青年基金(BK20141032)资助项目;中国博士后基金(2013M531346)资助项目;江苏省普通高校研究生科研创新计划(KYLX-0246)资助项目

摘　　要：针对现有光纤智能结构自诊断、自修复系统存在的问题,提出并设计了一种基于ARM和GPRS的液芯光纤智能结构的远程监控物联网系统,系统主要包括光源、液芯光纤智能结构、光电检测模块、A/D转换模块、ARM微控制器、GPRS无线通信模块、Internet和监控中心服务器。其中液芯光纤智能结构是由特制的液芯光纤埋入复合材料中构成,采用GPRS无线通信技术,结合以S3C2440为核心处理器的ARM嵌入式技术,同时在监控中心采用自主设计的监控可视化软件直接输出结果,具有直观可靠、控制简单等优点。本文还对液芯光纤智能复合材料结构进行承载实验研究,并采用BP神经网络理论对实验数据进行分析和载荷位置判定,研究结果表明该监控系统性能稳定且效果明显,对复合材料结构载荷位置能够作出准确判断,初步实现了复合材料结构的自诊断。According to the limitations of the existing self-diagnosis and self-repairing system for optical fiber smart structure,a system of remote data communication for liquid-core optical fiber smart structure based on ARM and GPRS is proposed.The system mainly consists of laser source,liquid-core optical fiber smart structure,microcontroller,GPRS communicate module,light source using for repairing,internet and monitoring center.The liquid-core fiber optic smart structure is made up of the special liquidcore fiber embedded into composites.The system uses the GPRS wireless communication technology,combining with the core processor S3C2440 ARM embedded technology.And in monitoring center,a visual surface software is designed using Microsoft VB.It has the advantages of intuitive and trustiness.Meanwhile,the experiment of loading is carried out.And the data of experiments are analyzed by BP network theory.The research results show that the monitoring system is stable,efficient and reliable and the position of loading can be located exactly.The composite self-diagnosis is realized preliminary.

关 键 词：液芯光纤智能结构 远程监控 承载定位 物联网 

分 类 号：TN247[电子电信—物理电子学]