ZHANG Zhong-cai, YANG Li-ming, CHENG Yong-sheng. Research on calculating natural frequency of piezoelectric accelerometer[J]. 2008, (8): 19-22.DOI:
压电加速度传感器的固有频率计算方法研究
摘要
针对压电加速度传感器在工程应用中的特点
从传感器的力学模型出发
建立数学模型
分析了基座、压电片、质量块对压缩型压电加速度传感器固有频率的影响
通过计算和仿真
得出了影响传感器固有频率的一些影响因素与变化规律。计算和仿真结果表明了计算方法的有效性。
Abstract
In the light of the property of piezoelectric accelerometer in engineering application
the mathematic model base on mechanics model is established.The effect of substrate
piezoelectric slice
seismic mass on the natural frequency of compressed piezoelectric accelerometer is anlyzed
some influencing factors and its rule is found through calculating and simulating.The results of computation and simulation indicate the effectiveness of the calculating method.