High-altitude umbrella ladder dynamic system rapid simulation method and device and electronic equipment

By constructing a multibody dynamics model and utilizing Newton-Jacobi iteration and matrix fast inversion algorithms, the problem of low computational efficiency in high-altitude parachute ladder dynamics systems was solved, achieving efficient and accurate simulation of the parachute ladder system and meeting the multi-parameter optimization requirements of engineering design.

CN122452139APending Publication Date: 2026-07-24TSINGHUA UNIVERSITY
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Patent Information

Application Number
CN202610593541.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-30
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing technologies for rapid simulation of high-altitude parachute ladder dynamics systems are inefficient and poorly interpretable, making it difficult to meet the multi-parameter iterative optimization requirements of engineering designs. Furthermore, traditional methods neglect the impact of wind speed boundary layer and time-varying characteristics on system stability under real wind conditions.

Method used

By acquiring the structural parameters of the parachute system and high-altitude wind field data, spatiotemporal interpolation processing is performed to construct a multibody dynamics model, establish static and dynamic control equations, and solve them using Newton-Jacobi iteration and matrix fast inversion algorithms to generate rapid simulation results of high-altitude parachute dynamics.

Benefits of technology

It improves the computational efficiency and interpretability of the high-altitude parachute ladder dynamics system, enabling rapid and accurate simulation of system characteristics and motion trajectories under complex wind field conditions, and supporting the optimization of engineering designs.

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Abstract

The invention relates to the technical field of computational fluid mechanics, in particular to a high-altitude umbrella ladder dynamics system rapid simulation method and device and electronic equipment, and the method comprises the steps: obtaining umbrella ladder system structure parameters and high-altitude wind field environment data of a target simulation scene, and carrying out the space-time interpolation processing of the high-altitude wind field environment data, obtaining time-space continuous wind field data; constructing a target multi-body dynamics model based on the umbrella ladder system structure parameters and the space-time continuous wind field data, and performing stress analysis on the target multi-body dynamics model to obtain a statics control equation and a dynamics control equation of the target multi-body dynamics model; based on the statics control equation and the dynamics control equation, an initial dynamics response result of the umbrella ladder system is obtained, a high-altitude umbrella ladder dynamics rapid simulation result is generated according to the initial dynamics response result, and the problems that in the related technology, high-altitude umbrella ladder dynamics system rapid simulation calculation is low in efficiency and poor in interpretability are solved; and the calculation efficiency and the interpretability of the rapid simulation method are improved.
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