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THE USE OF UNMANNED AERIAL VEHICLES FOR MONITORING THE CONDITION OF OWNERLESS FLOOD CONTROL HYDRAULIC STRUCTURES OF THE TRANS-BAIKAL TERRITORY

ИСПОЛЬЗОВАНИЕ БЕСПИЛОТНЫХ ЛЕТАТЕЛЬНЫХ АППАРАТОВ ДЛЯ МОНИТОРИНГА СОСТОЯНИЯ БЕСХОЗЯЙНЫХ ПРОТИВОПАВОДКОВЫХ ГИДРОТЕХНИЧЕСКИХ СООРУЖЕНИЙ ЗАБАЙКАЛЬСКОГО КРАЯ
Authors: Konstantin A. Kurganovich; Andrey V. Shalikovskiy; Maxim A. Bosov; Denis V. Kochev;

THE USE OF UNMANNED AERIAL VEHICLES FOR MONITORING THE CONDITION OF OWNERLESS FLOOD CONTROL HYDRAULIC STRUCTURES OF THE TRANS-BAIKAL TERRITORY

Abstract

В Забайкальском крае существует большое количество бесхозяйных противопаводковых защитных гидротехнических сооружений, построенных без надлежащего проектирования и контроля правильности соблюдения технологии производства работ. Часть дамб не имеет собственников и не учтены в регистре гидротехнических сооружений, их состояние и режим использования не контролируются. В процессе эксплуатации защитные дамбы подвергаются механическим и гидродинамическим воздействиям, что несет в себе угрозу повышенного риска возникновения дополнительного ущерба вследствие переоцененного уровня защищенности территорий. Необходим учет таких сооружений с целью вынесения рекомендаций по дальнейшему их использованию или проведению ремонта. В данной статье описывается опыт использования беспилотных летательных аппаратов (далее БПЛА) для обследования бесхозяйных противопаводковых защитных гидротехнических сооружений Забайкальского края. Рассмотрена схема проведения таких обследований, включающая в себя несколько этапов. На начальном этапе требуется установка наземных опорных точек-маркеров и их координирование, затем облет территории БПЛА и получение серии фотоснимков. Следующий этап включает фотограмметрическую обработку данных съемки и получение пространственно-привязанных модели рельефа местности и ортофотоплана, которые затем подвергаются анализу с целью выявления дефектов сооружений. Использование БПЛА при обследовании защитных противопаводковых сооружений продемонстрировало возможность более качественного оценивания их состояния по сравнению с традиционными методами инструментальных наблюдений. Для получения наилучшего результата в моделировании рекомендуется производить съемку с высоты не более 200 м и использовать координированные опорные точки, которые видно с воздуха для привязки модели к системе координат. В этом случае ошибка в определении отметок поверхности земли не будет превышать пространственного разрешения снимка. Местоположение опорных точек не оказывает существенного влияния на точность определения модели рельефа. There are a large number of ownerless flood control protective hydraulic structures built without proper design and correct observance of the production technology in the Trans-Baikal Territory. Some dams do not have owners and are not registered in the Register of hydraulic structures , their condition and mode of use are not controlled. During operation, protective dams are subjected to mechanical and hydrodynamic influences, which carries an increased risk of additional damage due to the overestimated level of protection of the territories. It is necessary to take into account such structures in order to make recommendations for their further use or repair. This article describes the experience of using unmanned aerial vehicles (UAVs) for examining ownerless flood control protective hydraulic structures of the Trans-Baikal Territory. The scheme of conducting such surveys, which includes several stages, is considered. At the initial stage, the installation of ground reference points markers and their coordination is required. Then, the UAV is circled over the territory and a series of photographs is taken. The next step involves photogrammetric processing of the survey data and obtaining spatially-linked terrain and orthomosaic models, which are then analyzed to identify structural defects. The use of UAVs during the inspection of flood control structures demonstrated the possibility of a better assessment of their condition compared to traditional instrumental observation methods. To obtain the best result in the simulation, it is recommended to shoot from a height of not more than 200m and use coordinated reference points that are visible from the air to bind the model to the coordinate system. In this case, the error in determining the elevation of the earths surface will not exceed the spatial resolution of the image. The location of the control points does not significantly affect the accuracy of determining the terrain model.

Keywords

цифровая модель рельефа местности, structure from motion, ортофотоплан, фотограмметрическая обработка снимков, ownerless flood control protective hydraulic structures, беспилотные летательные аппараты (БПЛА), aerial photography, image processing, orthomosaic, terrain model, photogrammetric image processing, photogrammetric, unmanned aerial vehicles (UAVs), аэрофотосъемка, бесхозяйные противопаводковые защитные гидротехнические сооружения

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold