A big advantage is the optional equipment (an altimeter and UgCS software) for both safety of the drone during the flight and the improved altitude accuracy above the water. The limitation to our workflow has been the volume that could have been larger to maintain even more practical work. The system allows water to be taken repeatedly from the same location at a constant depth. Such a system would be useful for institutions like the State Environmental Service to obtain a water sample from polluted waters quickly and safely. According to the Сenter representative, “it is a great tool for improving safety in the water sampling process and ensuring efficiency. The system has been developed upon the request of the Latvian Environment, Geology, and Meteorology Сenter. By contrast, the deep learning can better solve this problem, but the effect of CNN and other methods is poor in the case of fog. The traditional identification method can solve most problems, but there are blind spots for low-altitude Uav. A remote sampling system based on UAV solves that problem, allowing water sampling far from shore,” said Alexey Dobrovolskiy, CTO at SPH Engineering. The identification of low-altitude and low-speed the unmanned aerial vehicle (Uav) is a popular problem in the field of computer vision.
A sampling at some distance from the solid ground in absence of a boat or ship is impossible. “Traditional water sampling methods require direct access to the water body and samples are gathered from the shore, pier, bridge, or boat. A list with as many univariate GARCH or ARFIMA specifications of class '>uGARCHspec and '>ARFIMAspec as there will be columns in the data object passed to one of the other methods which uses a multiple specification object (fitting, filtering and forecasting). Additionally, SPH Engineering has developed the messenger release device.
#UAV MULTISPEC WHATER IDENTIFICATION PRO#
The system combines a drone (either DJI M300 RTK or DJI M600 Pro drone), Ruttner water sampler, and SPH Engineering’s UgCS SkyHub onboard computer, a radar altimeter, and UgCS ground control software. One benefit of this new system is the possibility to take up to 1L water samples at a considerable distance from the bank or water access points (piers, bridges, etc.) or in hazardous test locations impossible for a boat or ship to navigate.
#UAV MULTISPEC WHATER IDENTIFICATION TRIAL#
A trial flight was conducted at a Latvian lake to proceed with water sampling for subsequent analysis in a laboratory. SPH Engineering has released a new Unmanned Aerial Vehicle (UAV)-based Remote Water Sampling System within UgCS Integrated Systems’ product line.
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