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Deployment and Maintenance of Nanosatellite Tetrahedral Formation Flying Using Aerodynamic Forces

机译:使用空气动力部署和维护纳米卫星四面体形成飞行

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The paper is devoted to the study of decentralized control using differential lift and drag for the construction and maintenance of the tetrahedral configuration. The most popular in the class of nanosatellites 3U CubeSats are considered. They have a suitable form-factor which let the cross-sectional area of satellites relative to the incoming airflow vary by a factor 3 depending on the attitude. The satellites are assumed to be subsequently deployed from the launcher. Each satellite is equipped with a reaction wheel-based attitude control system which allows to provide the required angular motion. Each satellite has also information about the relative state vector of all neighboring satellites provided by the inter-satellite communication or sensors of relative motion determination system. In this paper a decentralized control algorithm is developed which ensures the tracking of the relative reference trajectory. Due to this reference trajectory the satellites moves at the vertices of the tetrahedron. The possibility of constructing a tetrahedral configuration after deployment of the satellites depending on the initial conditions is studied.
机译:本文致力于使用差动升降和拖曳进行分散控制的分散控制,用于施工和维护四面体配置。考虑了纳米替卫星课程中最受欢迎的3U立方体。它们具有合适的形状因子,使卫星相对于输入气流的横截面积根据姿态而变化。假设卫星随后从发射器部署。每个卫星配备有反应轮的姿态控制系统,允许提供所需的角度运动。每个卫星还具有关于由卫星间通信或相对运动确定系统的卫星间通信或传感器提供的所有相邻卫星的相对状态向量的信息。在本文中,开发了一种分散的控制算法,其确保跟踪相对参考轨迹。由于该参考轨迹,卫星在四面体的顶点处移动。研究了根据初始条件展开卫星后构建四面体配置的可能性。

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