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为了实现对物体运动轨迹的精确检测,本文设计了以高精度低功耗MEMS加速度传感器ADXL345为核心的运动轨迹检测系统。传感器采集数据之后,经过信号调理、A/D转换将采集到的加速度数据传输到控制器进行处理,经过积分算法转换为物体运动位移。对系统的使用效果进行验证,结果表明:设计的运动轨迹检测系统的测量精度较高,控制在3%-4%之间,物体运动位移检测效果良好。
In order to achieve accurate detection of the trajectory of an object, this paper designs a trajectory detection system based on the ADXL345 high-precision and low-power MEMS accelerometer. Sensor data acquisition, after signal conditioning, A / D conversion of the acceleration data collected will be transmitted to the controller for processing, after the integration algorithm is converted to object motion displacement. The results show that the designed motion trajectory detection system has higher measurement accuracy with the control of 3% -4%, and the object motion displacement detection effect is good.