低轨道卫星电动力系绳离轨系统动力学

2010 3rd International Symposium on Systems and Control in Aeronautics and Astronautics Pub Date : 2010-06-08 DOI:10.1109/ISSCAA.2010.5633582

Kong Xianren, Xu Dafu, Liao Jun

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引用次数: 3

摘要

考虑到缆索易弯曲的特点，提出了一种用于分析电动力缆索(EDT)离轨系统动力学行为的柔性缆索模型。该模型可以描述在电阻力和重力梯度诱导力作用下缆索的弯曲变形，以及对电动力和电阻力的影响。采用两种数学模拟方法来说明柔性索模型与刚性杆模型的区别。讨论了电火花传动系统在离轨过程中的振动问题，仿真结果表明，垂直响应是电火花传动系统的主要振动方式。

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Dynamics of electro-dynamic tether de-orbiting system for LEO satellites

This paper presents a flexible cable model considering that tether is easy to inflect can be used for analyzing the dynamic behavior of the electro-dynamic tether (EDT) de-orbiting system. The model can describe tether inflecting and bowing under action of electro-dynamic drag and gravity gradient induced force, and the influences on electro motive force and electro-dynamic drag. Two mathematical simulations are employed to show the differences between the flexible cable model and the rigid bar model. Vibration of the EDT system during de-orbiting course is discussed, at which the simulation result shows vertical response is the main vibration way of EDT.

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来源期刊

2010 3rd International Symposium on Systems and Control in Aeronautics and Astronautics

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