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Robust tracking control for the hypersonic flight vehicle via backstepping method

机译:高斯超音速飞行器的反步法鲁棒跟踪控制

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The problem of output tracking control is addressed for the longitudinal dynamics of a generic hypersonic flight vehicle. For the altitude subsystem and velocity subsystem, the dynamics is transformed into block-triangular form where the backstepping scheme is used. This problem is challenging due to the nonlinear uncertain complex interactions between the altitude and velocity subsystems. A new design approach of robust controller is proposed by combining standard backstepping with signal compensation method. It is shown that semiglobal robust stability and semiglobal robust practical tracking property of the closed-loop system can be ensured and the tracking error can be made as small as desired.
机译:针对通用超音速飞行器的纵向动力学解决了输出跟踪控制的问题。对于高度子系统和速度子系统,将动力学转换为块三角形形式,其中使用了后推方案。由于高度子系统和速度子系统之间存在非线性不确定的复杂相互作用,因此该问题具有挑战性。通过将标准反推与信号补偿方法相结合,提出了一种鲁棒控制器的新设计方法。结果表明,可以保证闭环系统的半全局鲁棒稳定性和半全局鲁棒实用跟踪特性,并且可以使跟踪误差尽可能小。

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