Flight trajectory bias analysis and trajectory reconstruction for MF-1 flight test

HE Zhengchun; XIAO Hanshan; YUAN Xianxu; HE Kaifeng

doi:10.7638/kqdlxxb-2018.0065

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Flight trajectory bias analysis and trajectory reconstruction for MF-1 flight test

更新时间：2026-05-28

- Flight trajectory bias analysis and trajectory reconstruction for MF-1 flight test
- Vol. 37, Issue 5, Pages: 777-784(2019)
- 作者机构：
  
  1. 空气动力学国家重点实验室,绵阳,621000
  2. 中国空气动力研究与发展中心,绵阳,621000
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2018.0065
  CLC： V211.3
- Published：2019
- 稿件说明：
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和争春, 肖涵山, 袁先旭, 何开锋. MF-1飞行试验弹道差异分析及弹道重建研究[J]. 空气动力学学报, 2019, 37(5): 777-784.

HE Zhengchun, XIAO Hanshan, YUAN Xianxu, et al. Flight trajectory bias analysis and trajectory reconstruction for MF-1 flight test[J]. 2019, 37(5): 777-784.
和争春, 肖涵山, 袁先旭, 何开锋. MF-1飞行试验弹道差异分析及弹道重建研究[J]. 空气动力学学报, 2019, 37(5): 777-784. DOI： 10.7638/kqdlxxb-2018.0065.

HE Zhengchun, XIAO Hanshan, YUAN Xianxu, et al. Flight trajectory bias analysis and trajectory reconstruction for MF-1 flight test[J]. 2019, 37(5): 777-784. DOI： 10.7638/kqdlxxb-2018.0065.

摘要

MF-1作为我国的首次高超声速空气动力学基础问题研究模型飞行试验项目，真实飞行取得了圆满成功。但是其无控飞行弹道与设计弹道之间还是存在较明显偏差，本文首先对于MF-1实际飞行试验弹道与设计弹道之间的偏差原因，通过理论分析和弹道仿真开展了研究，结果表明风场偏差和气动力偏差可能是导致MF-1飞行弹道与设计弹道差异的最主要因素。然后，基于飞行实测的过载角速率数据和外弹道测量数据对MF-1飞行弹道进行了重建，得到了包括迎角、侧滑角在内的完整可靠的弹道数据。研究还表明，风场对迎角、侧滑角的准确估计有显著影响，应尽量提高风场测量的实时性和准确性。

Abstract

As the first modeling flight test in China aiming at fundamental hypersonic aerodynamics problems

the real flight of MF-1 is absolutely successful

but there are also some differences between designed trajectory and real uncontrolled flight trajectory. In this paper

the cause of trajectory bias between flight test and preflight design is studied by theoretical analysis and flight simulations firstly. Results show that

wind distribution measurement errors and predicted aerodynamic errors should be the main reasons for that trajectory bias. Then

the flight trajectory of the MF-1 is reconstructed using flight overload and angular rate data

and the whole flight trajectory data including angle of attack and angle of slide are obtained. It is also shown that

the wind measurement has significant effects to the accurate estimation of angle of attack and angle of slide if there is no direct measure of flow angle.

关键词

Keywords

references

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