4.7 Article

Air Quality Monitoring System Based on ISO/IEC/IEEE 21451 Standards

期刊

IEEE SENSORS JOURNAL
卷 16, 期 12, 页码 5037-5045

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2016.2555935

关键词

Air quality monitoring; GSM module; sensor array; graphical user interface; ISO/IEC/IEEE 21451 standards

资金

  1. University of Pretoria

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An air quality monitoring system (AQMS) based on the IEEE/ISO/IEC 21451 standards is presented. In the development of an AQMS, we have used the GSM wireless communication module. The developed system is capable of the real-time measurement of air polluted gases, such as CO2, CO, NO2, and SO2. The machine-to-machine communication of the air quality monitoring station and PC with the sink node was successfully implemented. Various gas sensor technologies were evaluated for the system and ultimately electrochemical and infrared sensors were used. Hardware and software for an AQMS was designed and implemented. The AQMS uses an array of sensors to take the measurements of the ambient air surrounding it and wirelessly transmits the data to the base station. A graphical user interface (GUI), which makes it easy for end user(s) to interact with the system, was developed. Gas concentration values are plotted on the GUI. The defined calibration of the instruments at time interims assures that the desired accuracy is sustained. This paper offers further elucidations to design disputes raised in earlier studies.

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