结构监测的无线加速度传感器设计与制作

提出了一种用于土木工程结构监测的无线加速度传感器的模块化设计方法,并研制开发了一种无线加速度传感器.首先,详细地阐述了组成无线传感器的各单元的测试原理和设计原则,并对各组成单元进行了集成;其次,给出了节点的软件设计流程;最后,对节点进行了测试.研究结果表明:该无线加速度传感器具有良好的精度;而且还具有自校准、集数字模拟信号采集于一体、稳定等特点,适合在土木工程结构监测中应用.

Design and Development of Wireless Acceleration Sensor Applied to Civil Engineering Structure Monitoring

This paper presents a kind of modularization designing method about wireless acceleration sensor applied to civil engineering structure monitoring, and the wireless acceleration sensor is developed. The sensor hardware's testing principles and designing rules are discussed. and all hardware units are integrated into wireless acceleration sensor node. The software flow of node is given. Acceleration is tested with the wireless acceleration sensor. The research result indicates that the wireless sensor has well precision. The sensor node has many characteristics as gathering the analog and data signals, self-calibration and stabilization, and it is applied compatibly to civil engineering structure monitoring.