基于Galerkin法的柔性绳系辅助返回系统的展开动力学建模与分析

doi:CNKI:11-1929/V.20101216.1418.002

Abstract

Abstract: Under the background of big tethered-assisted return system, the deployment dynamic model for mass-distributed flexible tethered-assisted return system is given based on the micro-element method and Lagrange equation. For the complicated nonlinear and strongly coupled dynamic model, the dynamic model is discretize to obtain numerical solution by Galerkin method, and the typical lumped mass model is introduced to validate the Galerkin method. Then a mathematical simulation is provided to validate the solution of the Galerkin method, and analyze the dynamic characteristics of the system. The result indicates that the model for mass-distributed flexible tethered-assisted return system given in this article is correct, and the solution obtained by Galerkin method is also accurate and convergent.

Key words: tethered-assisted return, deployment of tethered system, flexible tether, Lagrange equation, Galerkin method

CLC Number:

V448.2

CAO Xibin, ZHENG Pengfei. Modeling and Analysis of Deployment Dynamics for Flexible Tethered-assisted Return System Based on Galerkin Method[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2011, 32(3): 421-428.

References

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Modeling and Analysis of Deployment Dynamics for Flexible Tethered-assisted Return System Based on Galerkin Method

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