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Pose Estimation for Cubesat Docking

机译:CubeSat对接的姿态估计

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The docking of two satellites requires accurate estimates of relative position and attitude. This paper describes a LED marker based pose estimation method that can be incorporated into a docking subsystem. The paper further reports on the accuracy of the method. The results are compared to that obtained by Jansen (2020), where ArUco markers and a fixed observation camera are used. The LED marker pose estimation system is to demonstrated on a planar air-bearing table with gas propelled carts in a closed-loop control experiment, where the ArUco system will serve as the ground truth measurements. It was concluded that the LED marker system could be at least as accurate as the ArUco marker system however issues with lens distortion caused deterioration in the accuracy when the LED markers were not in the centre of the image.
机译:两个卫星的对接需要准确的相对位置和态度的估计。 本文介绍了一种基于LED标记的姿势估计方法,其可以结合到对接子系统中。 本文进一步报道了方法的准确性。 将结果与Jansen(2020)获得的结果进行比较,其中使用Aruco标记和固定观察相机。 LED标记姿势估计系统是在闭环控制实验中的气体推进推车的平面空气轴承座上展示,其中ARUCO系统将作为地面真理测量。 得出结论是,LED标记系统至少与ARUCO标记系统一样准确,然而,当LED标记不在图像的中心时,透镜失真的问题导致精度的劣化。

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