Abstract
Recently, the interest in the development of new pervasive or mobile implementations of air quality multisensor devices has significantly grown. New application opportunities appeared together with new challenges due to limitations in dealing with rapid pollutants concentrations transients both for static and mobile deployments. Sensors dynamic is one of the primary factor in limiting the capability of the device of estimating true concentration when it is rapidly changing. Researchers have proposed several approaches to these issues but none have been tested in real conditions. Furthermore, no performance comparison is currently available. In this contribution, we propose and compare different approaches to the calibration problem of novel fast air quality multisensing devices, using two datasets recorded in field. Machine learning architectures have been designed, optimized and tested in order to tackle the cross sensitivities issues and sensors inherent dynamic limitations to perform accurate prediction and uncertainty estimation. Comparison results shows the advantage of dynamic non linear architectures versus static linear ones with support vector regressors scoring best results.
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Acknowledgements
This work was partially funded by project MAVER (Manutenzione Avanzata dei Veicoli Regionali) under Campania Aerospace District initiative and by COST Action TD1105 EuNetAir (European Network on New Sensing Technologies for Air-Pollution Control and Environmental Sustainability).
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Esposito, E. et al. (2018). Stochastic Comparison of Machine Learning Approaches to Calibration of Mobile Air Quality Monitors. In: Andò, B., Baldini, F., Di Natale, C., Marrazza, G., Siciliano, P. (eds) Sensors. CNS 2016. Lecture Notes in Electrical Engineering, vol 431. Springer, Cham. https://doi.org/10.1007/978-3-319-55077-0_38
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DOI: https://doi.org/10.1007/978-3-319-55077-0_38
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