基于时变观测器的变体飞行器有限时间鲁棒控制

孙冰; 陈伟

doi:10.13700/j.bh.1001-5965.2023.0704

基于时变观测器的变体飞行器有限时间鲁棒控制

doi: 10.13700/j.bh.1001-5965.2023.0704

孙冰¹,
陈伟^2, ,

1.
吉林化工学院信息与控制工程学院，吉林 132022
2.
中国工程物理研究院总体工程研究所，绵阳 621900

基金项目:

NSAF联合基金(U143010033)

详细信息

通讯作者:
E-mail：chenweifenglaile@163.com

中图分类号: V249.1
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- 文章访问数: 67
- HTML全文浏览量: 32
- PDF下载量: 4
- 被引次数: 0
出版历程
- 收稿日期: 2023-10-30
- 录用日期: 2024-01-26
- 网络出版日期: 2024-03-07
- 整期出版日期: 2025-12-31

Finite time robust control of morphing aircraft based on time-varying gain observer

SUN Bing¹,
CHEN Wei^{2
, ,}

1.
School of Information and Control Engineering，Jilin Institute of Chemical Technology，Jilin 132022，China
2.
Institute of Systems Engineering，China Academy of Engineering Physics，Mianyang 621900，China

Funds:

NSAF Joint Foundation of China (U143010033)

More Information

Corresponding author: E-mail：chenweifenglaile@163.com

摘要

摘要:
变体飞行器在变体过程中具有强非线性、强耦合和强时变等特性，给其飞行控制系统设计带来了较大挑战。针对该问题，提出一种时变增益扩张状态观测器，对系统耦合项进行精确逼近。结合自适应反步控制技术、有限时间控制理论，设计了一种有限时间有界的鲁棒自适应控制器，通过设计障碍Lyapunov函数，逐级递推得到实际控制律和自适应网络更新律，保证了系统指令跟踪误差在有限时间内能够收敛到预先给定的范围内。通过姿态控制仿真对所设计控制系统的有效性进行验证，仿真结果表明：变体飞行器在变体过程中能够很好地跟踪指令信号，基本不受变体速率的影响。
- 变体飞行器 /
- 时变增益 /
- 扩张状态观测器 /
- 有限时间有界 /
- 鲁棒控制
Abstract:
The morphing aircraft has the characteristics of strong nonlinearity, strong coupling, and strong time variation characteristics in the morphing process, which brings great challenges to the design of the flight control system. To solve this problem, a time-varying gain extended state observer was proposed to accurately approximate the system coupling term. A finite time constrained robust adaptive controller was created by combining finite time control theory with adaptive backstepping control technology. By designing an obstacle Lyapunov function, the actual control law and adaptive network update law were recursively obtained step by step, ensuring that the system command tracking error can converge to a predetermined range in finite time. Finally, the effectiveness of the designed control system was verified through attitude control simulation. According to the simulation results, the morphing aircraft is essentially unaffected by the morphing rate and is capable of tracking command messages during the morphing process.
- morphing aircraft /
- time varying gain /
- extended state observer /
- finite time bounded /
- robust control

HTML全文

图 1 变体飞行器示意图

Figure 1. Structure diagram of morphing aircraft

下载: 全尺寸图片幻灯片

图 2 控制系统框图

Figure 2. Control system block diagram

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图 3 仿真结果

Figure 3. Simulation results

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表 1 变体飞行器几何参数

Table 1. Geometric parameters of morphing aircraft

构型展长/m 弦长/m 机翼面积/m²

构型Ⅰ 3 0.4 1.3
构型Ⅱ 2 0.8 1.5

下载: 导出CSV

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