Three-dimensional substation model-based deployment scheme and evaluation method of UWB positioning base stations

A technology for locating base stations and 3D models, applied in 3D modeling, electrical components, image data processing, etc.

Active Publication Date: 2018-07-13
HONGHE POWER SUPPLY BUREAU OF YUNNAN POWER GRID
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the evaluation problem of the base station deployment scheme of the substation positioning system, and provide a UWB positioning base station deployment scheme and evaluation method based on the three-dimensional model of the substation

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  • Three-dimensional substation model-based deployment scheme and evaluation method of UWB positioning base stations

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] The UWB positioning base station deployment scheme and evaluation method based on the 3D model of the substation, including the 3D model scene of the substation based on 3D laser scanning technology;

[0022] The deployment scheme is as follows:

[0023] 1a) According to the CAD drawings of substations, set the deployment principle of UWB positioning base station. The deployment principle of UWB positioning base station is: UWB positioning base station is installed at a position with fixed supports outside the safe distance of live equipment, and the height range of UWB positioning base station deployment Set it to 1-100 meters, set the spacing to 0.1-50 meters, select as many suitable deployment points as possible, and complete the initial deployment scheme design;

[0024] 1b) According to the initial deployment plan, set m ...

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Abstract

The invention relates to a three-dimensional substation model-based deployment scheme and evaluation method of UWB positioning base stations. In a scene of a precisely-reconstructed three-dimensionalsubstation model, UWB positioning base stations with most sight distance connections with a single target object under the same moment are counted through continuous stepping-type scanning on the target object in the scene of the three-dimensional substation model, a greater number indicates a better effect of a deployment scheme, and an optimal deployment scheme is found out through repeated testing. The three-dimensional full-station emulation model of precise modeling is used as a background, actual deployment results are realistically simulated, and consistency of an evaluation conclusionand an actual application effect is guaranteed; positions of the base stations can be arbitrarily adjusted in the model, the number of the UWB positioning base stations can be increased or decreased,and thus the deployment scheme can be conveniently changed to achieve the optimal result; and connection relationships between the UWB positioning base stations and the target object are collected inreal time, the number of the UWB positioning base stations with the most sight distance connections with the target object is accurately displayed, and a reliable basis is provided for signal qualityevaluation.

Description

technical field [0001] The invention belongs to the technical field of positioning base stations, and in particular relates to a UWB positioning base station deployment scheme and evaluation method based on a three-dimensional model of a substation. Background technique [0002] UWB wireless positioning technology is generally used for precise positioning of people in substations. The application of this technology requires the deployment of multiple base stations in substations to ensure that the positioning accuracy reaches the centimeter level. However, when there is occlusion between the base station and the target, the signal will be reflected or refracted, resulting in a decrease in signal quality or no signal, resulting in a large positioning error. Due to the large number of devices in the substation and the heights are uneven, when deploying base stations, the deployment strategy must be planned in advance to ensure that when the target moves in the substation and c...

Claims

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Application Information

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IPC IPC(8): G06T17/00G06Q10/06H04W16/18H04W64/00H04W88/08
CPCG06Q10/06313G06T17/00H04W16/18H04W64/00H04W88/08
Inventor 李杰李金哲王建兵
Owner HONGHE POWER SUPPLY BUREAU OF YUNNAN POWER GRID
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