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弹箭与制导学报 >

2012 , Vol. 32 >Issue 1: 49 - 52

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2012.01.036

导弹与制导技术

高超声速飞行器六自由度建模及耦合特性分析

  • 齐乃明 ,
  • 周启航 ,
  • 秦昌茂
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  • 哈尔滨工业大学航天学院,哈尔滨 150001

齐乃明(1962-),男,黑龙江哈尔滨人,教授,博导,研究方向:航天器飞行动力学控制与仿真。

收稿日期: 2011-04-07

  网络出版日期: 2025-05-29

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The Six DOF Model of Hypersonic Vehicle and Coupling Characterization Analysis

  • QI Naiming ,
  • ZHOU Qihang ,
  • QIN Changmao
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  • School of Astronautics, Harbin Institute of Technology, Harbin 150001, China

Received date: 2011-04-07

  Online published: 2025-05-29

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摘要

针对高超声速飞行器进行无动力再入建模及耦合特性分析。基于空天飞行器在高超声速状态下的气动力及气动力矩参数数据,采用神经网络拟合并建立气动参数模型。分析了飞行器在最大升阻比下飞行时舵机对弹道的耦合特性,以及气动力对姿态角速度、姿态角速度通道之间的耦合特性。仿真结果表明高超声速飞行器模型是一类参数时变、强耦合的复杂非线性系统,该模型可用于弹道优化、制导律及姿态控制等问题的设计及研究。

关键词： 高超声速飞行器; 六自由度建模; 神经网络拟合; 耦合特性分析

本文引用格式

齐乃明 , 周启航 , 秦昌茂 . 高超声速飞行器六自由度建模及耦合特性分析[J]. 弹箭与制导学报, 2012 , 32(1) : 49 -52 . DOI: 10.15892/j.cnki.djzdxb.2012.01.036

Abstract

The non-power re-entry model of hypersonic vehicle was discussed, and the coupling characteristics were analyzed. The neural networks were used to fit and establish the aerodynamic parameter model based on ASV in the state of hypersonic vehicle. The coupling characteristics of vehicle between steering gear and the trajectory at maximum lift-drag ratio were analyzed, the coupling characteristics of vehicle between aerodynamic and attitude angular velocity and between channels were analyzed. The results show that the hypersonic vehicle is a complex system that has highly nonlinear, time-varying parameters and strong coupling between channels, the model can be used for trajectory optimization, guidance and attitude control law design and research.

Key words： hypersonic vehicle; six DOF model; neural network fitting; coupling characteristic analysis

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