Identification Method for Displacement of Substation Structure Based on Machine Vision
Publication: Earth and Space 2022
ABSTRACT
The building structure and equipment of substations are exposed and are subject to environmental factors, which can produce deformation. Once the equipment of the substation fails due to excessive displacement, it will seriously endanger the substation safety and affect the power supply. The traditional manual inspection method of a substation is challenging to observe the slight deformation of the substation. Thus, a displacement recognition method of substation is proposed based on vision. The state-of-the-art object recognition technology was applied to build a calibration object recognition model. In recognition of structural displacement, the calibrator is fixed on the substation structure. The camera recognizes the pixel change of the calibrator, and then the structural displacement is calculated. Finally, the proposed method is validated. Results show that the application of the mobile terminal-based method proposed in this paper is considerably close to the actual displacement, which meets the requirements for industrial use.
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Earth and Space 2022
Pages: 681 - 687
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Published online: Jan 5, 2023
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