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aviarobots.ru commercial services on UAVs
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Visual inspections of overhead power lines, detection of line breaks and unauthorised activity in the exclusion zone.

Preventative thermal imaging of insulators. Electronic maps and 3D models for overhead power lines. Measurements of pylon inclination angles, conductor sagging, and the height of surrounding trees and shrubs.








Visual inspections of overhead power lines, detection of line breaks

Overhead power lines are monitored using fixed-wing UAVs. This significantly reduces inspection times as compared to ground inspections, particularly in difficult-to-reach areas, and is a considerably less expensive solution as compared to the use of manned aircraft. Inspection flights proceed at a safe distance from the pylons and conductors, and do not require power cutoffs. Based on the inspection results, a report is compiled on the condition of pylon components, any detected broken insulators, any structural damage, and the condition of the conductors and their insulation. Photographic and video recording may be complemented by thermal imagery. If UAV-based inspections are conducted regularly, the data obtained is exported into the customer's geographic information system (GIS) and displayed in the form of historical layers. This allows for conducting retrospective analysis of malfunctions, and for identifying their causes.







Thermal imaging for power line contacts

Power engineering is a sector in which thermal imagery has been used especially successfully. Temperature differences detected with this method may reach tens of degrees, making them significantly easier to discern from background noise. Until recently, thermal imaging of overhead power lines would involve either helicopters or ground maintenance teams. UAVs are considerably more cost-efficient than manned aircraft, and they collect much more detailed and accurate information than ground-based thermal imaging. Each pylon is inspected using a multirotor UAV. Thermal imagery is complemented by visible-spectrum photography and video recording, which allows for better identification of faulty insulator strings, exposed and encased contacts.







Power line electronic maps

The data obtained in the course of inspection flights is used in creating an accurate orthophotographic map of the area with a resolution of 5 cm and an accuracy of 15 cm in terms of standard deviation. The map is used for subsequent monitoring, as well as for updating or replacing the existing maps. It allows for comparing the actual location of facilities with the cadastral plan, for taking inventory of the facilities and detecting illegal intrusions into the exclusion zone. The orthophotographic map and digital model of the terrain are used as the basis for an electronic map of the customer's power line, which contains the coordinates and heights of the pylons, as well as information about the current condition of the pylons and any detected defects. The electronic map can be exported into the customer's GIS. It may be used for subsequent planning of new power line routes, for reconstruction and construction purposes, and for identifying optimal access ways to the power line.







3D power line models, assessment of trees and shrubs, conductor sagging measurements

The orthophotographic map and the digital terrain model are used to create a highly accurate 3D model of the terrain, the surrounding trees and shrubs, the power line, and the customer's other ground-based infrastructure. The model's accuracy is comparable to that of the laser scanning method; however, UAV-based remote sensing is much cheaper and efficient. 3D models thus obtained allow for exact size and volume measurements; for evaluating the height of trees and shrubs; for assessing forestation levels in the exclusion zone, and for identifying areas prone to tree falls. The results may be exported into CAD systems. One promising use of power line 3D models is for calculating conductor trajectories, and for conductor sagging measurements.






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Evgeniy Tarasenko

Commercial Director


+7 (812) 603-46-07

or order back call