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首页> 外文期刊>International journal of aerospace engineering >Experimental Verification of a Simple Method for Accurate Center of Gravity Determination of Small Satellite Platforms
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Experimental Verification of a Simple Method for Accurate Center of Gravity Determination of Small Satellite Platforms

机译：小型卫星平台重心精确确定的简单方法的实验验证

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摘要

We propose a simple and relatively inexpensive method for determining the center of gravity (CoG) of a small spacecraft. This method, which can be ascribed to the class of suspension techniques, is based on dual-axis inclinometer readings. By performing two consecutive suspensions from two different points, the CoG is determined, ideally, as the intersection between two lines which are uniquely defined by the respective rotations. We performed an experimental campaign to verify the method and assess its accuracy. Thanks to a quantitative error budget, we obtained an error distribution with simulations, which we verified through experimental tests. The retrieved experimental error distribution agrees well with the results predicted through simulations, which in turn lead to a CoG error norm smaller than 2mm with 95% confidence level.
机译：我们提出一种确定小型航天器的重心（CoG）的简单且相对便宜的方法。这种方法可以归因于悬挂技术的类别，它是基于双轴测斜仪的读数。通过从两个不同的点执行两个连续的悬挂，理想情况下将CoG确定为两条线之间的交点，这两条线由相应的旋转唯一定义。我们进行了一项实验性活动，以验证该方法并评估其准确性。多亏了定量误差预算，我们通过仿真获得了误差分布，并通过实验测试对其进行了验证。取回的实验误差分布与通过仿真预测的结果非常吻合，从而导致CoG误差范数小于2mm，置信度为95％。

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