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充液航天器内部液体晃动及其对控制系统的影响,是当前国内外航天高技术研究的重要课题,也是一个比较复杂的问题。本文首先由力学变分原理导出了充液系统的状态方程,其次分析了充液系统的稳定性;特别是,研究了在失重或微重条件下,充液航天器内部液体晃动的动力学特性以及部分充液三轴稳定性问题等。本文的研究结果,对于航天、航空、航海中的充液系统动力学与控制问题,都有重要的参考价值。
The liquid sloshing inside the liquid-filled spacecraft and its impact on the control system are important topics for the current high-tech research and development in space and space at home and abroad. It is also a relatively complicated issue. In this paper, firstly, the equation of state of the liquid-filled system is derived from the principle of mechanical variances, followed by the analysis of the stability of the liquid-filled system. In particular, the dynamics of liquid sloshing within a liquid- As well as some liquid-filled triaxial stability issues. The results of this paper have important reference value for the dynamics and control of liquid charging system in aerospace, aviation and navigation.