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首页> 外文会议>UV/Optical/IR Space Telescopes: Innovative Technologies and Concepts III; Proceedings of SPIE-The International Society for Optical Engineering; vol.6687 >Satellite Formation Flight and Realignment Maneuver Demonstration aboard the International Space Station
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Satellite Formation Flight and Realignment Maneuver Demonstration aboard the International Space Station

机译：国际空间站上的卫星编队飞行和对中演习示范

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The Synchronized Position Hold Engage and Reorient Experimental Satellites (SPHERES), developed by the MIT Space Systems Laboratory, enable the maturation of control, estimation, and autonomy algorithms for distributed satellite systems, including the relative control of spacecraft required for satellite formation flight. Three free-flyer microsatellites are currently on board the International Space Station (ISS). By operating under crew supervision and by using replenishable consumables,. SPHERES creates a risk-tolerant environment where new high-risk yet high-payoff algorithms can be demonstrated in a microgravity environment. Through multiple test sessions aboard the ISS, the SPHERES team has incrementally demonstrated the ability to perform formation flight maneuvers with two and three satellite formations. The test sessions aboard the Space Station include evaluation of coordinated maneuvers which will be applicable to interferometric spacecraft formation missions. The satellites are deployed as a formation and required to rotate around a common center about a given axis, mimicking an interferometer. Various trajectories are then implemented to point the synthetic aperture in a different orientation by changing the common axis of revolution. Observation-time optimizing synchronization strategies and fuel balancing/fuel optimizing trajectories are discussed, compared and evaluated according to resulting mission duration and potential scientific output.
机译：麻省理工学院太空系统实验室开发的同步定位保持接合和定向实验卫星（SPHERES）使成熟的分布式卫星系统控制，估计和自主算法得以实现，包括卫星编队飞行所需的航天器的相对控制。目前，国际空间站（ISS）上有3个自由飞行的微卫星。通过在机组人员的监督下进行操作并使用可补充的消耗品，。 SPHERES创造了一个可以承受风险的环境，可以在微重力环境中演示新的高风险但高收益算法。通过在ISS上进行的多次测试，SPHERES团队逐步证明了使用两枚和三枚卫星编队执行编队飞行机动的能力。在空间站上的测试会议包括对协调演习的评估，该演习将适用于干涉式航天器编队任务。卫星被部署为编队，并且需要围绕共同的中心围绕给定的轴旋转，以模拟干涉仪。然后通过改变公共旋转轴来实现各种轨迹，以使合成孔径指向不同的方向。根据任务持续时间和潜在的科学成果，讨论，比较和评估了观察时间优化同步策略和燃料平衡/燃料优化轨迹。

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