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首页> 外文期刊>Journal of aerospace engineering >Dynamics and Control for Hypersonic Gliding Vehicles Equipped with a Moving Mass and RCS
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Dynamics and Control for Hypersonic Gliding Vehicles Equipped with a Moving Mass and RCS

机译:用于移动质量和RCS的高超声速滑动车辆的动力学和控制

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摘要

To solve the problems of a hypersonic unpowered gliding reentry vehicle controlled by only one actuator, a combination bank-to-turn control mode with a moving mass and nonredundant reaction control system (RCS), which can not only optimize the internal space of flight vehicle, but also avoid ablation of the aerodynamic control surfaces and improve control efficiency, is proposed in this paper. Firstly, a seven-degree-of-freedom dynamical model of the gliding vehicle in the period of reentry was established. The layout and control sequence of nonredundant RCS are described in detail. Taking into account coupling phenomena caused by displacement of a moving mass, a new configuration that can weaken the coupling effect is presented based on dynamics analysis. The inertial coupling and the Dutch roll coupling for the new control mode are described. On the basis of the analysis of dynamics and coupling, the attitude control system was designed by sliding mode theory. The adaptive compensation that makes the control system have high robustness to aerodynamic parameter uncertainties was designed. Finally, the simulation results are presented to demonstrate the validity of the proposed composite control mode.
机译:要解决仅由一个执行器控制的超声波无催化的滑动式车辆的问题,具有移动质量和非还原反应控制系统(RCS)的组合组合体控制模式,这不仅可以优化飞行车辆的内部空间在本文中提出,避免消融空气动力控制表面并提高控制效率。首先,建立了在再入式时期的滑动车辆自由度的自由度动态模型。详细描述了非冗余RCS的布局和控制序列。考虑到移动质量的位移引起的耦合现象,基于动力学分析呈现了一种可以削弱耦合效果的新配置。描述了用于新控制模式的惯性耦合和荷兰辊耦合。在动力学和耦合分析的基础上,姿态控制系统由滑动模式理论设计。设计了使控制系统对空气动力学参数不确定性具有高稳健性的自适应补偿。最后,提出了仿真结果以证明所提出的复合控制模式的有效性。

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