Three-dimensional Integral Second-order Sliding Mode Interception Guidance Law with Impact Angle Constraints

被引：0
|
作者：
You H. [1 ]
Chang X. [1 ]
Zhao J. [1 ]
Shi X. [1 ]
机构：
[1] College of Missile Engineering, Rocket Force University of Engineering, Xi'an
来源：
Yuhang Xuebao/Journal of Astronautics | 2024年 / 45卷 / 04期
关键词：
Impact angle constraints; Integral sliding mode surface; Maneuvering target; Missiles; Three-dimensional interception guidance;
D O I：
10.3873/j.issn.1000-1328.2024.04.011
中图分类号：
学科分类号：
摘要：
Aiming at the problem that missiles intercept a maneuvering target with unknown acceleration information，a three-dimensional interception guidance law with impact angle constraints is proposed. Firstly，a three-dimensional nonlinear interception guidance model is investigated. Second，a global integral sliding mode surface is designed，which omits the reaching phase in the traditional sliding mode guidance laws and effectively reduces energy consumption in the interception guidance process. Then，based on the designed integral sliding mode surface and second-order sliding mode control theory，a three-dimensional integral second-order sliding mode interception guidance law with impact angle constraints is designed in the normal and lateral directions to the line of sight（LOS），effectively suppressing the chattering phenomenon and compensating for unknown disturbances caused by target maneuvering online. In addition，the strict mathematical proof of Lyapunov stability is made for the designed guidance law. Finally，the numerical simulation results validate the effectiveness，superiority，and anti-interference robustness of the proposed three-dimensional interception guidance law. © 2024 Chinese Society of Astronautics. All rights reserved.
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页码：590 / 602
页数：12
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