Abstract
Nowadays, we observe a great interest in air pollution, including exhaust fumes. This interest is manifested in both the development of technologies enabling the limiting of the emission of harmful gases and the development of measures to detect excessive emissions. The latter includes IoT systems, the spread of which has become possible thanks to the use of low-cost sensors. This paper presents the development and field testing of a prototype pollution monitoring system, allowing for both online and off-line analyses of environmental parameters. The system was built on a UAV and WebRTC-based platform, which was the subject of our previous paper. The platform was retrofitted with a set of low-cost environmental sensors, including a gas sensor able to measure the concentration of exhaust fumes. Data coming from sensors, video metadata captured from 4K camera, and spatiotemporal metadata are put in one situational context, which is transmitted to the ground. Data and metadata are received by the ground station, processed (if needed), and visualized on a dashboard retrieving situational context. Field studies carried out in a parking lot show that our system provides the monitoring operator with sufficient situational awareness to easily detect exhaust emissions online, and delivers enough information to enable easy detection during offline analyses as well.
Highlights
Published: 17 February 2022Nearly a hundred years ago, in 1923, the Journal of the American Medical Association reported a health risk from automobile exhaust gas in city streets [1]
We suggest that the retrospective analyses should be made mainly on the basis of the results of stable measurements of the concentration of exhaust gases collected at fixed measurement points
To evaluate the possibility of offline detection of the excessive emission of exhaust gases, measurements of the concentration of exhaust gases collected at the fixed measurement points during five experiments—Experiment 1 to Experiment 5—were carried out, in which the air station swept the parking lot flying at an altitude of 15 m
Summary
A hundred years ago, in 1923, the Journal of the American Medical Association reported a health risk from automobile exhaust gas in city streets [1]. During these hundred years, there has been both the development of techniques allowing for the reduction of the amount of emitted fumes and the harmfulness of exhaust gases, as well as a rapid increase in the number of vehicles being a source of the emissions. Monitoring systems based on Internet of Things (IoT) devices and sensor networks have had a large share in this. The widespread use of these monitoring systems has become possible thanks to the use of low-cost sensors
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