带有时变干扰的变结构近空间飞行器滑模控制

姜林; 龙离军; 赵军

doi:10.7652/xjtuxb201903013

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带有时变干扰的变结构近空间飞行器滑模控制

更新时间：2025-07-09

- 带有时变干扰的变结构近空间飞行器滑模控制
- Sliding Mode Control for Variable Structure Near Space Vehicles with Time-Varying Composite Disturbance
- 西安交通大学学报 2019年53卷第3期页码：88-96
- 作者机构：
  
  东北大学信息科学与工程学院,沈阳,110819
- 作者简介：
- 基金信息：
  
  : 2018-06-21。作者简介: 姜林(1986—),男,硕士生;龙离军(通信作者),男,教授。基金项目: 国家自然科学基金资助项目(61773098,61773100)
- DOI：10.7652/xjtuxb201903013
  中图分类号： V249;TP273
- 网络首发：2019-03-10，
  
  纸质出版：2019
- 稿件说明：
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姜林, 龙离军, 赵军. 带有时变干扰的变结构近空间飞行器滑模控制[J]. 西安交通大学学报, 2019,53(3):88-96.

Sliding Mode Control for Variable Structure Near Space Vehicles with Time-Varying Composite Disturbance[J]. 2019, 53(3): 88-96.
姜林, 龙离军, 赵军. 带有时变干扰的变结构近空间飞行器滑模控制[J]. 西安交通大学学报, 2019,53(3):88-96. DOI： 10.7652/xjtuxb201903013.

Sliding Mode Control for Variable Structure Near Space Vehicles with Time-Varying Composite Disturbance[J]. 2019, 53(3): 88-96. DOI： 10.7652/xjtuxb201903013.

摘要

针对近空间飞行器在执行不同任务时因结构改变导致受到的复合干扰发生改变的现象

设计了一种能够同步切换的非线性干扰观测器

并基于该切换干扰观测器采用滑模控制策略设计了切换滑模控制器。之后

考虑实际存在执行器动态的情形

提出了一种新的基于执行器动态的切换滑模控制方法

利用共同Lyapunov函数方法证明了提出方法能够保证系统的所有信号在任意切换律作用下一致有界。仿真结果表明

所设计的切换非线性干扰观测器能够有效观测未知不连续复合干扰

提出的切换滑模控制方法能够满足变结构近空间飞行器的跟踪控制要求。

Abstract

When variable structure near space vehicles perform different tasks

the composite disturbance changes due to the varying structures. A switched disturbance observer is designed to synchronously switch with the variable structure near space vehicle. According to the switched disturbance observer

a switched sliding mode controller is constructed with the sliding mode control strategy. Then considering the actuator dynamics in practice

a new switched sliding mode method is proposed. The common Lyapunov function method is utilized to prove that uniform boundedness of all system signals can be guaranteed under arbitrary switching rules. Simulation shows that unknown discontinuous composite disturbance can be observed effectively by the designed switched nonlinear disturbance observer

and the proposed control strategy can meet the tracking control requirement of variable structure near space vehicles.

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references

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