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Indoor Micro Environment Monitoring System Based on Internet of Things

Ye Tingdong;Peng Xuanrong;Gao Yikang;Liang Hao;Computer Engineering Department,Guangdong Industry Polytechnic;  
The paper introduces a kind of micro environmental monitoring system model and its software structure design.The monitoring system with ARM and DSP has achieved functions of self-calibration,multi-sensing,storage and wireless communications,etc.,and uses TEDS correction engine to implement the self-calibration of multi-sensing information.It uses prediction technology of sensor network information to improve the delay of the sensor signal sampling caused by network uncertainty,and uses SVM model to realize the comprehensive comfort assessment,which can be used as a guide for the automatic control of the indoor environment.The application experiment showed that its temperature measurement error is ±1.0%,humidity measurement error is ±3%RH,noise measurement error is ±2dB,illumination measurement error is ±4%,formaldehyde measurement resolution is 0.01mg/m3.
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