Substation three-dimensional live-action monitoring stationing method based on nonlinear parameter optimization calibration

Abstract

The invention discloses a substation three-dimensional live-action monitoring stationing method based on nonlinear parameter optimization calibration. The method comprises the steps that a three-dimensional substation physical model is imported; an area coverage to be monitored is acquired based on the model, and the type and the physical parameters of a camera are determined; a position hypothesis test based on the area to be monitored is carried out: three monitor points are selected on the boundary of the area to be monitored, and the coordinates of the points are calculated; based on the relationship between a model coordinate system and a camera coordinate system, the physical position and the orientation of the camera in a three-dimensional space are derived; hypothesis verification based on camera object positioning is carried out: based on a perspective projection principle, the relationship between the imaging picture of camera motion trajectory and a covered three-dimensional space entity area is analyzed; and through visualization, the three-dimensional space entity area of camera projection and the area to be monitored is compared. Compared with a traditional method, the method has the advantages that the monitor area of the same size is ensured, and at the same time the system configuration is optimized, and unnecessary device input is saved.

Description

technical field [0001] The invention relates to a method for monitoring and arranging points for monitoring the working state of power equipment in a substation area and a three-dimensional real-scene camera for scenes, and in particular to a three-dimensional real-scene monitoring and arranging method for a substation based on nonlinear parameter optimization and calibration for visual monitoring of the working state and scene of power equipment in a substation area method. Background technique [0002] Since the later period of the "Eleventh Five-Year Plan", smart substations have become an important part of the smart grid, especially the evolution of unattended substations to high-level substations, which requires all-round monitoring and monitoring of supporting substation scenarios, including power equipment and There are two parts to the environment. Therefore, the reasonable layout of three-dimensional video monitoring points is one of the technical problems to be so...

AI Technical Summary

Problems solved by technology

The inherent defects of such a scheme are: (1) It fails to effectively combine the actual situation of each different substation, resulting in the problem that the investment in equipment is large, but there are still monitoring dead ends; (2) The key monitoring objects are not taken care of. Zhou, the image or video information given is not clear enough; (3) The coordination between the various cameras is not enough to form a complete 3D image of the substation scene

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