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Context-Aware Monitoring and Control of Ventilation Rate in Indoor Environments Using Internet of Things
Rastogi K., , Acharya D.
Published in Institute of Electrical and Electronics Engineers Inc.
As the proportion of time spent by humans in indoor environment increases, it becomes challenging to maintain good air quality for healthy and productive life. The need to develop a context aware, reliable system capable of providing real time information and alerts on indoor air quality is addressed in this paper. The proposed Internet of Things (IoT) system serves to collect data, predict ventilation states, and provide alerts and recommendations to the end user. A novel method for determination of ventilation states using three indoor pollutants PM2.5, PM10 and CO is proposed. Multi-level logistic regression is first used to define indoor ventilation states using ventilation rate which is calculated with the help of indoor CO2 concentration. K-NN classification technique then predicts indoor ventilation state with the help of 3 input attributes, PM2.5, PM10 and CO. Context-aware information about indoor environment and current ventilation state is conveyed to the end-user in form of an alert, through a smartphone application. The system is found to determine the poor ventilation state with accuracy, precision, recall and F1 score values of 94.34\%, 0.91, 0.88, and 0.89, respectively. IEEE
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Published in Institute of Electrical and Electronics Engineers Inc.
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