Abstract

The uncontrolled rotational motion of the Progress M-24M and M-25M cargo spacecraft in the mode of one-axis solar orientation (the so-called “spin on the Sun”) has been reconstructed. The initial conditions of motion in this mode are the spinning of the spacecraft with an angular velocity of 2.2–2.4°/s around the normal to the sunward plane of the solar arrays. The duration of the mode is several orbits. The reconstruction was carried out using an integral statistical method based on telemetric values of the current taken from its solar arrays. As a result, the rotational motion of the spacecraft relative to the Earth–Sun direction is determined. A study of the spectrum of current oscillations during spinning was carried out, which explains the possibility of reconstruction based on such, at first sight, little informative data.

中文翻译：

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基于太阳电池阵列电流测量的单轴太阳定向模式下进步航天器旋转运动的重构

摘要

Progress M-24M和M-25M的不受控制的旋转运动货运飞船以单轴太阳方向（所谓的“太阳旋转”）进行了重建。在这种模式下，运动的初始条件是航天器围绕太阳电池阵列的法线绕着法线旋转，旋转速度为2.2–2.4°/ s。该模式的持续时间为几个轨道。使用基于从其太阳能电池阵列获取的电流的遥测值的积分统计方法进行了重建。结果，确定了航天器相对于地球-太阳方向的旋转运动。进行了纺纱过程中电流振荡频谱的研究，这解释了基于这种乍看之下很少的信息性数据进行重建的可能性。