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三轴加速度计在水下结构振动测试中的应用
引用本文:何青,杜冬梅,张志,薛惠芳.三轴加速度计在水下结构振动测试中的应用[J].微纳电子技术,2007(Z1).
作者姓名:何青  杜冬梅  张志  薛惠芳
作者单位:华北电力大学能源与动力工程学院电站设备状态监测与控制教育部重点实验室 北京102206(何青,杜冬梅,张志),南京工业大学机械与动力工程学院 南京210009(薛惠芳)
摘    要:采用基于MEMS技术的ADXL330三轴加速度计芯片,设计了适合水下结构振动测试的加速度传感器,并应用于某输水管线闸门振动监测系统中。分析了ADXL330结构、原理和标定方法。根据水下结构振动测试特点和要求,设计了应用电路、防水结构以及振动测试系统。现场应用表明,采用该芯片设计的三轴加速度传感器能够满足水下结构振动监测的需要,具有低成本、高精度、易安装和安全可靠等特点。

关 键 词:水下结构  振动测试  微机电系统  加速度传感器  三轴传感器

Application of Vibration Measurement for Underwater Structure
HE Qing,DU Dong-mei,ZHANG Zhi,XUE Hui-fang.Application of Vibration Measurement for Underwater Structure[J].Micronanoelectronic Technology,2007(Z1).
Authors:HE Qing  DU Dong-mei  ZHANG Zhi  XUE Hui-fang
Affiliation:HE Qing1,DU Dong-mei1,ZHANG Zhi1,XUE Hui-fang2
Abstract:Using three-axis accelerometer ADXL330,a single monolithic IC,based on micro electromechanical systems(MEMS),an accelerator transducer for underwater structure was designed and applied to a vibration measurement system of long pipeline gates.The principle and structure of ADXL330 were analyzed,and the calibration method was studied.According to the properties and demands of vibration measurement for underwater structure,the application circuit,the water-repellent structure and the vibration measurement system were researched.It is proved by the field measurement that the ADXL330-based three-axis accelerator transducer is suitable for vibration measurement of underwater structure and has low cost,good precision,easy installation,and high reliability.
Keywords:underwater structure  vibration measurement  MEMS  accelerometer  three-axis sensor
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