Pipeline navigation environment construction and path quality automatic evaluation method based on multi-physical field characteristics

By constructing a multiphysics pipeline simulation environment and a multi-objective energy functional, high-fidelity simulation and full-process automation of the pipeline autonomous navigation algorithm were achieved. This solved the problems of insufficient consistency of the simulation environment and coarse path risk assessment in the existing technology, and improved the operational safety and robustness of the autonomous navigation algorithm.

CN122155426APending Publication Date: 2026-06-05FUZHOU UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
FUZHOU UNIV
Filing Date
2026-03-23
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The existing pipeline autonomous navigation simulation environment is not consistent with the actual physical conditions, the path risk assessment is crude, and the automation of training sample construction is low, making it difficult to meet the needs of autonomous navigation algorithm development and implementation in complex and heterogeneous pipeline scenarios.

Method used

A multiphysics pipeline simulation environment integrating geometric topology and fluid dynamics is constructed. A continuous wall barrier field and multi-objective energy functional are used to quantitatively evaluate the navigation path, and a five-level mass spectrum classification of the trajectory is achieved. A hierarchical scene generation strategy is combined to adapt to different training needs.

Benefits of technology

It improves the matching degree between the simulation environment and the actual working conditions, realizes the refined quantitative evaluation and automated annotation of the navigation path, and enhances the environmental adaptability and control robustness of the autonomous navigation algorithm in complex pipeline scenarios.

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Abstract

The application provides a pipeline navigation environment construction and path quality automatic evaluation method based on multi-physical field characteristics, comprising: constructing a multi-physical field pipeline simulation environment containing geometric constraints and fluid dynamics constraints; constructing a continuous wall potential barrier field in the inner wall area of the multi-physical field pipeline simulation environment, the wall potential barrier field being used for continuously quantifying the approaching risk of a navigation main body and the pipeline inner wall; collecting the motion trajectory of the navigation main body in the multi-physical field pipeline simulation environment; quantitatively evaluating the motion trajectory based on a multi-target energy functional containing a wall potential barrier field energy item; and automatically mapping the motion trajectory into a multi-level quality spectrum system containing risk levels according to the quantitative evaluation result; the risk level corresponding to a motion trajectory which does not have geometric collision with the pipeline inner wall but whose evaluation value in the wall potential barrier field reaches or exceeds a preset risk threshold.
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