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首页> 外文期刊>Journal of the Institution of Engineers (Inida) >Controller Design for Ascent Phase of Reusable Launch Vehicle Using Backstepping
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Controller Design for Ascent Phase of Reusable Launch Vehicle Using Backstepping

机译：基于Backstepping的可重复使用运载火箭上升阶段的控制器设计

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摘要

Backstepping is a systematic method for nonlinear control design, which can be applied to a broad class of systems. The name "backstepping" refers to the recursive nature of the design procedure. First, only a small subsystem is considered, for which a "virtual" control law is constructed based on a Lyapunov function (Krstic et al., Nonlinear and Adaptive Control Design, Wiley Inter-science, New York, 1995; Slotine and Li, Applied Nonlinear Control, Prentice-Hall, Englewood Cliffs, 1991) for the subsystem. Then, the design is extended in several steps until a control law for the full system has been constructed. Along with the control law, a Lyapunov function is successively constructed. An important feature of backstepping is that useful nonlinearities, which act stabilizing, can be retained. This is in contrast to feedback linearization control where nonlinearities are cancelled using nonlinear feedback. Retaining nonlinearities instead of cancelling them requires less precise models and may also require less control effort. Backstepping can be applied to nonlinear systems which are in strict feedback form or pure feedback form. In this paper controller design for ascent phase of reusable launch vehicle in pitch plane using backstepping is presented.
机译：Backstepping是一种用于非线性控制设计的系统方法，可以应用于广泛的系统中。名称“ backstepping”是指设计过程的递归性质。首先，仅考虑一个小型子系统，基于Lyapunov函数构造一个“虚拟”控制律（Krstic等，非线性与自适应控制设计，Wiley Inter-science，纽约，1995； Slotine和Li，子系统的应用非线性控制，Prentice-Hall，Englewood Cliffs，1991）。然后，将设计扩展到几个步骤，直到构建了整个系统的控制律。连同控制定律，相继构造了一个Lyapunov函数。反步法的一个重要特征是可以保持有用的非线性，该非线性起到稳定作用。这与使用非线性反馈消除非线性的反馈线性化控制相反。保留非线性而不是消除非线性需要不太精确的模型，也可能需要较少的控制工作。反推可以应用于严格反馈形式或纯反馈形式的非线性系统。在本文中，提出了一种可控的可重复使用运载火箭在俯仰平面上使用反步法上升阶段的控制器设计。

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