| The development of unmanned aerial vehicle(UAV)technology provides a new platform for power line inspection.The application of UAV technology in power line inspection can greatly reduce the labor cost and carry out inspection on line quickly and safely.Through task planning and intelligent analysis and diagnosis function embedded in the software system,UAV can improve the quality and technical level of the inspection work,enhances the comprehensive ability of automatic electric power production and hence force improves the economic value of power line inspection.This thesis studies the UAV in the electric power supervision and key technology and applications in 3D model reconstruction.The main work is summarized as follows.This thesis introduces the development and current research stage of UAV application in power line inspection.It details the classifications and characteristics of different types of UAV used in power line inspection and puts forward the idea of using mixed types of UAV to carry out the inspection.This thesis also discusses the applications and problems of UAV in different scenarios such as power line inspection,power tower construction and power line planning.In addition,this thesis briefly analyzes the main future research direction in the field of electric power inspection.Another subject discussed detailly by this thesis is the use of 3D modeling in power system analysis.A great amount of analysis can be done through a combination of 3D digitalized power grid and real-time data collected by monitors mounted on towers.This thesis introduces the system composition,principle,platform construction,experimental methods and result analysis of 3D model reconstruction technology based on Pix4D mapper,as well as the laser radar ranging technology.In the end,this thesis compared the advantages and disadvantages of these two technologies for future studies. |