Guidance Law with Impact Angle Constraint Based on Continuous Second-order Sliding Mode

被引：0
|
作者：
Zhang W.-G. [1 ]
Yi W.-J. [1 ]
Guan J. [1 ]
Yuan D.-D. [1 ]
机构：
[1] National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu
来源：
Binggong Xuebao/Acta Armamentarii | 2018年 / 39卷 / 12期
关键词：
Chattering problem; Continuous second-order sliding mode; Lyapunuov stability criterion; Missile terminal guidance; Sliding mode disturbance observer;
D O I：
10.3969/j.issn.1000-1093.2018.12.013
中图分类号：
学科分类号：
摘要：
A new guidance law is designed by combining a sliding mode disturbance observer with a novel continuous second-order sliding mode, in which maneuvering target can be intercepted with demanded impact angle. A sliding mode disturbance observer based on the super-twisting algorithm is designed to estimate an unknown target acceleration. Unlike traditional boundary layer control technique, the proposed method avoids the chattering problem while meeting the control precision. The stability of closed-loop guidance system within a finite time is demonstrated based on Lyapunov stability criterion. Theoretical analysis and numerical simulation show that the proposed method can be used to intercept a maneuvering target, and a wide range of impact angle constraint is achieved. © 2018, Editorial Board of Acta Armamentarii. All right reserved.
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页码：2389 / 2398
页数：9
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