ADXL202加速度计在振动测试中的应用

Application of accelerometer ADXL202 in measurement of vibration

基于数字式加速度计ADXL202,设计了全数字化的加速度测量装置。分析了该装置软硬件设计的特点,并进一步论述了提高测量准确度的方法及要点。通过振动测试实验验证了设计的正确性以及提高准确度的方法,该方案适用于低成本、高准确度、全数字化、多点加速度计。

?The digital instrument of acceleration measurement is developed based on digital accelerometerADXL202.The feature of design in hardware and software are introduced.The techniques and key points of precision enhancement are studied.The experiments of vibration test indicate that the design is feasible.It especially meets demands of accelerometers with lowcost,highaccuracy,digitization and multipoints test.