Barrier Lyapunov function based adaptive finite-time control for hypersonic flight vehicles with state constraints

被引：81
作者：
Dong, Chaoyang [1 ]
Liu, Yang [1 ]
Wang, Qing [2 ]
机构：
[1] Beihang Univ, Sch Aeronaut Sci & Engn, Beijing, Peoples R China
[2] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing, Peoples R China
来源：
ISA TRANSACTIONS | 2020年 / 96卷
基金：
中国国家自然科学基金;
关键词：
Hypersonic flight vehicle; Barrier Lyapunov function; Finite-time convergence; Flight state constraint; Adaptive backstepping; FEEDBACK NONLINEAR-SYSTEMS; FAULT-TOLERANT CONTROL; TRACKING CONTROL; BACKSTEPPING CONTROL; INPUT SATURATION; STABILIZATION; DESIGN;
D O I：
10.1016/j.isatra.2019.06.011
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper investigates the finite-time tracking control problem of the hypersonic flight vehicle (HFV) with state constraints. Firstly, a control-oriented model is introduced to enable the application of adaptive backstepping scheme. To meet strict requirements in terms of working conditions of HFV, barrier Lyapunov function is adopted to constrain the tracking errors, while piecewise saturation function is constructed to restrict the virtual signals. To guarantee the finite-time convergent property of HFV dynamics, an adaptive scheme in accordance with finite-time stability theory is designed. Meanwhile, a sliding mode differentiator is employed to estimate the derivatives of the virtual control laws. Novel auxiliary systems are then designed to consider the side effects of the possible saturation and to maintain the finite-time convergent property. In the final stage, the effectiveness and performance of the proposed method is demonstrated by numerical simulations. (C) 2019 ISA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：163 / 176
页数：14
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