A new sliding mode control design for integrated missile guidance and control system

被引：78

作者：

Guo, Jianguo ^{[1
]}

Xiong, Yu ^{[1
]}

Zhou, Jun ^{[1
]}

机构：

[1] Northwestern Polytech Univ, Inst Precis Guidance & Control, Xian 710072, Shaanxi, Peoples R China

来源：

AEROSPACE SCIENCE AND TECHNOLOGY | 2018年 / 78卷

关键词：

Integrated guidance and control (IGC); Sliding mode control; Mismatched uncertainties; Disturbance observer; Lyapunov stability theory; DUAL-CONTROL MISSILES;

D O I：

10.1016/j.ast.2018.03.042

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

A new sliding mode control algorithm for integrated guidance and control (IGC) system is proposed in this paper. Firstly, the IGC model is established and the nonlinearities, target maneuvers, perturbations caused by variations of aerodynamic parameters, etc. are viewed as disturbance, so that the IGC system becomes a mismatched uncertain linear system. Secondly, a second-order disturbance observer is used to estimate the disturbances and their derivatives. Thirdly, an integral sliding mode surface is designed to obtain the rudder deflection command directly instead of the back-stepping control (BC) algorithm used in conventional IGC system, which achieves the real sense of IGC, and the stability of the system is proven strictly by Lyapunov stability theory. Finally, the superiority of the proposed IGC method is verified by comparing the simulation results of different methods under different cases. (C) 2018 Elsevier Masson SAS. All rights reserved.

引用

页码：54 / 61

页数：8

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