Layout optimization algorithm of 3D coordinate measuring system based on polygon method

Abstract

The invention discloses a layout optimization algorithm of a 3D coordinate measuring system based on a polygon method. The algorithm is characterized in that coordinate of measuring base stations of the polygon method coordinate measuring system serve as a decision variable, the function of a geometric precision function of a point to be measured serves as an optimization object, only three measuring base stations are used at the beginning, and an optimized layout that satisfies the measuring precision requirement of the point to be measured, namely the least amount of the measuring base stations and the installation positions of the measuring base stations which are needed to establish the system, are provided via multiple times of circulative iteration. According to the invention, layout of the polygon method 3D coordinate measuring system is optimized, the construction cost of the system is reduced, and the measuring benefit of the system is improved.

Description

technical field [0001] The invention relates to the technical field of three-dimensional coordinate measurement, in particular to a layout optimization algorithm for a large-space three-dimensional coordinate measurement system using a multilateral method. Background technique [0002] The three-dimensional coordinate measuring system based on the principle of multilateral method is composed of at least three measuring base stations. Wherein, the measurement base generally includes a two-dimensional orthogonal rotation module and an absolute distance measurement module installed on the rotation module, and the intersection point of the two-dimensional orthogonal rotation axes is set as the zero point of the distance measurement value of the absolute distance measurement module. Under the condition that the intersection coordinates of the two-dimensional orthogonal rotation axes of the measurement base station are known, the measurement base station is aimed at the point to b...

AI Technical Summary

Problems solved by technology

However, when performing large-space three-dimensional coordinate measurement operations, the positions of the points to be measured are often scattered and irregular, and the requirements for measurement accuracy are not consistent, which makes the above problems more complicated.

[0004] In the prior art, there is only discussion and research on optimizing the accuracy of single-point measurement when the number of measurement base stations is fixed, and there is no relevant system for the case of multiple points to be measured and inconsistent measurement accuracy requirements. Research scheme for layout optimization problem

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