摘要
该设计主要由三轴加速度传感器、主控芯片,GSM模块板和Lora无线模块组成,通过传感器传回的数据,主控芯片执行跌倒检测算法,当算法判定老人跌倒后实现拨打指定报警电话,并且无线模块发送报警指令到接收端,实现2种互补报警方式。经实验验证,该设计对常见跌倒情况的检测准确率达到93%以上,能够满足实际应用需求。
This design is mainly composed of triaxial accelerometer,the main control chip,the GSM module of plate and Lora wireless module. Master control chip operates the fall detection algorithm on the data transferred by the sensor. Once the algorithm finds that the old man falls,the master control chip calls specified emergency number,and the wireless module sends the alarm instruction to the receiver,which realizes two complementary alarm at the same time. The results of the experiment indicates that this design could achieve accuracy rate of 93% for detecting common falling situations at least,hence could be applied in practice.
出处
《智能计算机与应用》
2017年第5期31-34,37,共5页
Intelligent Computer and Applications
