【作者】 肖纯；

【导师】 瞿伟廉；

【作者基本信息】 武汉理工大学 ， 结构工程， 2006， 博士

【摘要】 课题主要研究重大工程结构远程健康监测系统中的集成技术、不同软件平台之间数据共享技术和数据处理技术，其目标是集成一个实时的结构健康监测系统，属于工程结构健康监测的前沿研究领域。该课题的研究成功，为结构健康监测系统的工程应用奠定了理论和试验基础，具有较大的工程实用价值，将产生巨大的社会经济效益。 本文结合传感器网络技术、计算机网络技术、通信技术的发展和针对重大工程结构健康监测的特点，提出了基于有线传感器网络的新型远程分布式在线结构健康监测系统的集成技术，实现了多传感器的同步采样，达到对大型结构实时健康监测的目的，保证了大型结构使用的安全性。 研究并开发了重大工程结构健康智能监测系统的实验室原型试验平台系统的电致传感系统和光纤光栅传感系统的集成，实现了多传感器、多类型传感器的同步采样、统一数据管理以及不同软件平台之间的实时数据交互，为结构损伤的自动诊断和结构健康智能监测提供试验平台，从而使所研究的损伤诊断算法能在实际工程应用之前在实验室进行试验。为研究结构损伤诊断技术提供了试验支撑，该试验平台填补了国内工程结构损伤诊断试验技术的空白。 以深圳市市民中心大屋顶网架结构健康智能监测系统为工程背景，构建了重大工程结构的健康智能监测系统，研究开发了分布式远程监测系统中的数据共享和数据库管理技术，实现了对世界上最大的最复杂的空间网架结构的实时健康监测。 研究工程结构健康智能监测系统的数据处理方案，针对来自重大工程结构数据具有频率低干扰大的特点，根据实时分析需要设计了不同的Butterworth数字滤波器，同时对滤波过程中出现的波形畸变和毛刺现象进行了处理，并开发了滤波器设计软件，以利于根据工程采集数据选择合适的滤波器参数。由于采用数字滤波技术，从而克服了硬件滤波的缺点，保证了滤波器设计的可靠性，提高了设计的灵活性。 研究虚拟仪器技术在结构健康监测系统中的应用，实现了不同接口的仪器设备在虚拟仪器平台上的同步采集，建立了基于虚拟仪器技术的分布式采集与计算的结构健康监测系统。研究了基于虚拟仪器技术的数据共享技术和对结构模型进行损伤诊断的结果在局域网或Internet上发布的方法，并成功地在实验室试验平台上实现。 通过在平台上完成的输电塔法兰连接模型螺栓松动损伤诊断试验，证明了所开发的试验平台从硬件集成到软件开发是一个有机的整体，人机界面友好，实时性好，实现了结构的远程在线健康监测。更多还原

【Abstract】 The dissertation mainly researched the integration technology of engineering structural remote health monitoring system, data sharing technology between different application softwares and data processing technology, those technology are the fore research field of engineering structural health monitoring. The succession of the study has laid the theoretic and testing foundation for the engineering application of structural health monitoring system. The research will have remarkable engineering industrial value and produce great social and economic profit.Combining the development in sensor network technology, computer network technology and communication technology and taking the characteristics of large-scale engineering structural health intelligent monitoring technology into consideration, the dissertation put forward integration technology of a new distributed integrating plan of online structural health intelligent monitoring system which is based on wire sensor network. The plan realized synchronous sensor sampling with multisensors, reached the destination goal of structural real-time heath intelligent monitoring and ensured the safety service of large-scale structure.An original experimental laboratory platform for large-scale engineering structural intelligent monitoring system has been studied and developed, which integrates electricity system and optical fibre grating system. It realized synchronous sampling with multisensors, unified data management and real-time data exchange between different software platforms. This platform provides a test platform for structural damage diagnosis and structural health monitoring. Damage diagnosis algorithm to be researched can be tested by this platform before applied to engineering project. This platform provided test support for studying of structural damage diagnosis technology, made a breakout in the test technology of engineering structural damage diagnosis in the domestic field.An engineering structural health intelligent monitoring system has been constructed for the roof of Shenzhen Civic Center that is the biggest space truss structure in the world. The data sharing and database management technology in the distributed remote monitoring system are also studied and developed. This system realized real-time health monitoring for the biggest and most complex space truss structure in the world.The data processing method of large-scale engineering structural health更多还原