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KMID : 1024520180270111155
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Journal of the Environmental Sciences
2018 Volume.27 No. 11 p.1155 ~ p.1167
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A Study on Development of Small Sensor Observation System Based on IoT Using Drone
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Ahn Yo-Seop
Moon Jong-Sub
Kim Baek-Jo
Lee Woo-Kyun
Cha Sung-Eun
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Abstract
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We developed a small sensor observation system (SSOS) at a relatively low cost to observe the atmospheric boundary layer. The accuracy of the SSOS sensor was compared with that of the automatic weather system (AWS) and meteorological tower at the Korea Meteorological Administration (KMA). Comparisons between SSOS sensors and KMA sensors were carried out by dividing into ground and lower atmosphere. As a result of comparing the raw data of the SSOS sensor with the raw data of AWS and the observation tower by applying the root-mean-square-error to the error, the corresponding values were within the error tolerance range (KMA meteorological reference point: humidity ± 5%, atmospheric pressure ± 0.5 hPa, temperature ± 0.5°C. In the case of humidity, even if the altitude changed, it tends to be underestimated. In the case of temperature, when the altitude rose to 40 m above the ground, the value changed from underestimation to overestimation. However, it can be confirmed that the errors are within the KMA’s permissible range after correction.
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KEYWORD
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SSOS system, Drone, Method of least squares
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