低频光纤光栅加速度传感器  

Low frequency fiber Bragg grating acceleration sensors

作　　者：巩宪锋[1] 衣红钢[1] 周晓敏[1] 王长松[1] 岳士丰[1] 

机构地区：[1]北京科技大学机械工程学院,北京100083

出　　处：《北京科技大学学报》2006年第1期75-77,共3页Journal of University of Science and Technology Beijing

基　　金：国家"863"计划项目(No.2003AA312100)

摘　　要：为了摆脱电磁干扰对磁电式传感器的影响,通过对光纤光栅加速度传感器力学模型分析,建立了加速度与波长变化间的数学模型,设计了低频光纤光栅加速度传感器。实验结果表明,光纤光栅加速度传感器幅频带宽为45 Hz,横向抗干扰能力为40 dB,能够满足工业测量需要。To avoid the interference of model between acceleration and wavelength electromagnetism to magnetoelectric sensors, a mathematical was proposed with the analysis of fiber Bragg grating acceleration sensors＇ mechanical model, and then a low frequency fiber Bragg grating acceleration sensor was designed. With the experiment, the frequency range of amplitude is 45 Hz and the cross-axis disturbance is 40 dB, which means that the sensor can be used in practice.

关 键 词：光纤光栅 加速度传感器 低频振动 加速度 波长 

分 类 号：TN253[电子电信—物理电子学]