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论文:2018,Vol:36,Issue(1):13-19 |
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引用本文： |
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张科, 杨文骏, 张明环, 王佩. 基于LESO的高超声速飞行器动态面控制[J]. 西北工业大学学报 |
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Zhang Ke, Yang Wenjun, Zhang Minghuan, Wang Pei. LESO Based Dynamic Surface Control for Hypersonic Flight Vehicle[J]. Northwestern polytechnical university |
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| 基于LESO的高超声速飞行器动态面控制 |
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| 张科1,2, 杨文骏1,2, 张明环1,2, 王佩1,2 |
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1. 航天飞行动力学技术重点实验室, 陕西 西安 710072;
2. 西北工业大学 航天学院, 陕西 西安 710072 |
| 摘要: |
| 针对含模型不确定性和外部扰动的高超声速飞行器纵向运动模型，提出了一种基于线性扩张状态观测器的动态面控制方法。采用非线性动态逆技术实现了高超声速飞行器高度和速度通道的解耦；结合传统反演设计方法，引入一阶低通滤波器求取虚拟控制量的微分，避免了"微分爆炸"的问题；设计线性扩张状态观测器，实现了对模型不确定性和外部扰动等组成的"总和扰动"的精确估计，显著提高了系统的扰动抑制能力；利用Lyapunov理论进行闭环稳定性分析。仿真结果表明，所提出控制器参数配置简单，对参数不确定性和外部扰动等有较强的鲁棒性，具有良好的指令跟踪效果。 |
| 关键词:
高超声速飞行器
动态面控制
线性扩张状态观测器
扰动抑制
Lyapunov方法
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| LESO Based Dynamic Surface Control for Hypersonic Flight Vehicle |
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| Zhang Ke1,2, Yang Wenjun1,2, Zhang Minghuan1,2, Wang Pei1,2 |
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1. National Key Laboratory of Aerospace Flight Dynamics, Xi'an 710072, China;
2. School of Astronautics, Northwestern Polytechnical University, Xi'an 710072, China |
| Abstract: |
| In the presence of model parametric uncertainties and external disturbances, a LESO-based dynamic surface control approach is designed for the longitudinal model of Hypersonic Flight Vehicle (HFV). Via Nonlinear Dynamic Inversion (NDI) technique, the decoupling of altitude and velocity is realized. Combining with conventional back-stepping technique, a low pass filter (LPF) is introduced to attain the derivation of virtual control laws, which avoids the problem of "differentiation explosion". A linear extended state observer (LESO) is designed for the precise estimation and compensation of "lumped disturbance" containing parametric uncertainties and external disturbances, which tremendously improves the ability of disturbance rejection of the system. The stability of the proposed approach is analyzed by means of Lyapunov theory. The simulation results demonstrate that the proposed methodology has good command tracking performance, and the approach is robust in the presence of lumped disturbances. |
| Key words:
hypersonic vehicles
dynamic surface control
linear extended state observer
disturbance rejection
Lyapunov methods
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| 收稿日期: 2017-05-12
修回日期:
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| DOI: |
| 基金项目: 国家自然科学基金（61174204、61101191、61502391）资助 |
| 通讯作者:
Email： |
| 作者简介: 张科(1968-),西北工业大学教授,主要从事飞行器导航、制导与控制及深空探测等研究。
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| 相关功能 |
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| 作者相关文章 |
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| 张科 在本刊中的所有文章 |
| 杨文骏 在本刊中的所有文章 |
| 张明环 在本刊中的所有文章 |
| 王佩 在本刊中的所有文章 |
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相关文献: |
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1．杨文骏, 张科, 张明环, 王靖宇.基于ESO的高超声速飞行器非线性动态逆控制[J]. 西北工业大学学报, 2016,34(5): 805-811 |
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