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首页> 外文期刊>Journal of guidance, control, and dynamics >Large Motion Dynamics of In-Orbit Flexible Spacecraft with Large-Amplitude Propellant Slosh
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Large Motion Dynamics of In-Orbit Flexible Spacecraft with Large-Amplitude Propellant Slosh

机译：带有大振幅推进剂晃荡的在轨挠性航天器的大运动动力学

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摘要

A general methodology for the dynamics of spacecraft with rigid–liquid–flexible body coupling is establishedby usingKane’s equations,whereby the combined sloshing inmultiple tanks and the dynamic stiffening of flexiblesolar panels are both accommodated. First, the kinematic evolution equation of attitude motion is expressed interms of quaternions. Second, the liquid sloshing dynamics in the tanks are made by including the constraintsurfacemodel. Third, the stiffening effect of the flexible solar panels is incorporated into the dynamicsformulation by adopting the hypothesis of geometrically nonlinear deformation rather than that of Kirchhoff–Love plate. Kane’s method is chosen for its efficiency in deriving the coupled dynamics model of a spacecraftundergoing large overall motion. Simulation examples are given to validate the reliability of this dynamics modelin predicting the total slosh force and the total slosh torque under complicated excitations, to manifest thesuperiority of the methodology based on the geometrically nonlinear deformation over the conventional theorybased on the assumption of the Kirchhoff–Love plate, and to analyze the rigid–liquid–flexible coupling effects ofthe spacecraft during the in-orbit three-axis stabilized maneuver. It is found that there is a violent disturbance tothe attitude motion in the form of beat vibration due to the nonlinear coupling effects among the large-amplitudesloshing in multiple tanks, the vibration of geometrically nonlinear deformation of flexible solar panels, and thecontrol system.
机译：利用凯恩方程，建立了具有刚—液—挠体耦合的航天器动力学的通用方法，从而同时容纳了多个储罐的晃动和柔性太阳能板的动态刚度。首先，姿态运动的运动学演化方程用四元数表示。其次，通过包含约束表面模型来确定罐中的液体晃荡动力学。第三，通过采用几何非线性变形的假设而非Kirchhoff-Love板的假设，将柔性太阳能电池板的加强效果纳入了动力学公式。选择凯恩（Kane）的方法是因为它能有效地推导整体运动较大的航天器的耦合动力学模型。通过仿真实例验证了该动力学模型在复杂激励下预测总晃动力和总晃动转矩的可靠性，以证明基于几何非线性变形的方法论优于基于基尔霍夫-洛夫假设的传统理论。板，并分析航天器在轨三轴稳定机动过程中的刚-液-柔耦合效应。研究发现，由于多个储罐大幅度晃荡，柔性太阳能电池板几何非线性变形的振动以及控制系统之间的非线性耦合效应，拍打振动对姿态运动产生了强烈的干扰。

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  • 来源
    《Journal of guidance, control, and dynamics》 |2020年第3期|438-450|共13页
  • 作者

    Liu Feng; Yue Baozeng; Arun K. Banerjee; Tang Yong; Wu Wenjun; Liu Zhengyong;

  • 作者单位

    Beijing Institute of Technology 100081 Beijing People’s Republic of China;

    Guangdong Institute of Aeronautics and Astronautics Equipment & Technology 519000 Zhuhai Guangdong People’s Republic of China;

    Guangxi University of Science and Technology 545006 Liuzhou Guangxi People’s Republic of China;

    Shanghai Aerospace Systems Engineering Institute 201109 Shanghai People’s Republic of China;

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  • 正文语种 eng
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