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- 2018
多模式分布式遥感微纳航天器集群自然编队构型
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Abstract:
分布式遥感技术是目前空间探测技术发展的重要方向，其核心是研究由多个微纳航天器组成的分布式遥感集群的系统特性，并根据不同的应用模式进行编队的维持与重构。由于微纳航天器所携带的燃料有限，如何在自然编队的条件下保持系统在较长时间内的构形稳定是基于分布式微纳航天器的遥感技术亟待解决的重要问题。该文针对多模式分布式遥感任务想定和燃料最省、求解高效等目标，研究了异构集群自然编队构型设计。提出了一种参数直接求解的方法，可以在平面内绕飞模式、领航模式等典型模式下直接获取编队中各伴飞航天器的轨道参数。STK仿真结果表明：该方法精度较高，编队构型稳定，可以满足应急遥感任务要求。
Abstract：Distributed remote sensing has attracted much attention for space exploration. The sensing ability is based on the system properties of the spacecraft cluster composed by multiple nano/micro spacecraft. In addition, the multiple nano/micro spacecraft formation can be rearranged for different applications. However, since the micro/nano spacecraft have little fuel, methods are urgently needed to maintain the stability of the distributed remote sensing nano/micro spacecraft formation for a relatively long period in a natural formation.The natural nano/micro spacecraft cluster formation is analyzed have for a multiple distributed remote sensing task scenario that optimizes the fuel usage and calculational efficiency. A direct parameter method was designed for the typical tasks of in-plane flying with a tree communication topology and leader-following topology modes. The orbit parameters of the followers are obtained directly by this method. STK simulations show this approach is accurate, robust, and useful for emergency remote sensing tasks.
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