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電動系繩離軌裝置的設計與分析

Design and analysis of electro-dynamic tether de-orbit device

  • 摘要: 電動系繩離軌效果顯著，無需消耗推進劑，是處理LEO（低地球軌道）廢棄航天器的有效手段。文章介紹了利用電動系繩進行離軌的原理，提出了電動系繩離軌裝置所需的硬件及其設計要求；給出了電動系繩離軌裝置的控制策略和工作過程，并利用系繩運動方程對電動系繩離軌的效能進行了分析。結果顯示，利用電動系繩可以大大減小離軌的面積時間積。

     

    Abstract: Electro-dynamic tether de-orbit is important for mitigation of the abandoned spacecraft in LEO because of its efficiency and propellantless nature. This paper discusses the principle of electro-dynamic tether de-orbit and the design requirements and the hardware, as well as its control strategy and work procedure. In order to analysis the efficiency of the electro-dynamic tether de-orbit device, a simulation was carried out by using the tether dynamical equation and the results indicate that the area-time product is reduced greatly.

     

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