基于增量非线性动态逆的导弹解耦控制设计

陈星阳; 赵霞; 周小志; 李良

doi:10.15892/j.cnki.djzdxb.2024.02.012

弹箭与制导学报 >

2024 , Vol. 44 >Issue 2: 76 - 81

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2024.02.012

基于增量非线性动态逆的导弹解耦控制设计

陈星阳 ¹^,² ,
赵霞 ¹ ,
周小志 ¹^,² ,
李良 ¹

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¹ 中国空空导弹研究院,河南洛阳 471009
² 空基信息感知与融合全国重点实验室,河南洛阳 471009

陈星阳(1980—),男,高级工程师,硕士,研究方向:导弹控制系统设计。

收稿日期: 2023-09-25

网络出版日期: 2024-12-28

基金资助

航空基金项目(20200001081010)

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Decoupling Control Method Based on Incremental Nonlinear Dynamic Inversion for Missiles

CHEN Xingyang ¹^,² ,
ZHAO Xia ¹ ,
ZHOU Xiaozhi ¹^,² ,
LI Liang ¹

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¹ China Airborne Missile Academy, Luoyang 471009, Henan, China
² National Key Laboratory of Air-based Information Perception and Fusion, Luoyang 471009, Henan, China

Received date: 2023-09-25

Online published: 2024-12-28

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摘要

针对导弹大迎角机动存在强耦合动力学特点,提出了一种基于增量非线性动态逆的解耦控制方法,将自动驾驶仪分为高带宽的快变角速率内回路和低带宽的慢变角回路控制,用部分逆近似求解的方法分别设计了增量形式的动态逆控制律对消不同的耦合项,实现控制解耦的目的。典型工况数字仿真结果表明,所设计的导弹增量非线性动态逆控制解耦律大大改善了强耦合动力学下的稳定控制性能。相比传统PID控制,它能够完全消除过载响应的低频振荡和超调量,同时还使得滚转角响应能够准确跟踪指令。

关键词： 自动驾驶仪; 耦合; 增量非线性动态逆; 解耦控制

本文引用格式

陈星阳 , 赵霞 , 周小志 , 李良 . 基于增量非线性动态逆的导弹解耦控制设计[J]. 弹箭与制导学报, 2024 , 44(2) : 76 -81 . DOI: 10.15892/j.cnki.djzdxb.2024.02.012

Abstract

To deal with the strong coupling dynamics existed in high angle of attack maneuvers, an incremental nonlinear dynamic inversion(INDI) control is proposed in this paper. The flight control system for missiles is divided into fast angular velocity loop with high bandwidth and slow angular loop with low bandwidth, then the incremental dynamic inversion control law is proposed to cancel its coupling dynamics for each loop, respectively. Thus, the decoupling control is achieved. Simulation of typical working condition shows that the proposed incremental nonlinear inversion decoupling control law can greatly improve the stability control performance with strong coupling dynamics. Compared to traditional PID control, the INDI control can completely eliminate low-frequency oscillation and overshoot of overload response. At the same time, it also enables the roll angle response to accurately track command.

Key words： autopilot; coupling; incremental nonlinear dynamic inversion; decoupling control

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参考文献

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