随机激励作用下飞机飞行姿态动力学研究

doi:10.7527/S1000-6893.2021.25232

固体力学与飞行器总体设计

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随机激励作用下飞机飞行姿态动力学研究

李海泉^1,2, 陈小前^1,3, 张嘉图⁴, 王亮⁴

1. 国防科技大学空天科学学院, 长沙 410073;
2. 中国航空工业集团有限公司沈阳飞机设计研究所, 沈阳 110035;
3. 中国人民解放军军事科学院国防科技创新研究院, 北京 100071;
4. 西北工业大学数学与统计学院, 西安 710072

收稿日期:2021-01-07 修回日期:2021-01-15 发布日期:2022-04-02
通讯作者: 李海泉 E-mail:haiquan.li601@163.com
基金资助:
国家自然科学基金（11972289）

Study on aircraft attitude dynamics under random excitation

LI Haiquan^1,2, CHEN Xiaoqian^1,3, ZHANG Jiatu⁴, WANG Liang⁴

1. College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China;
2. Shenyang Aircraft Design & Research Institute, Aviation Industry Corporation of China, Ltd., Shenyang 110035, China;
3. National Innovation Institute of Defense Technology, PLA Academy of Military Sciences, Beijing 100071, China;
4. School of Mathematics and Statistics, Northwestern Polytechnical University, Xi'an 710072, China

Received:2021-01-07 Revised:2021-01-15 Published:2022-04-02
Supported by:
National Natural Science Foundation of China (11972289)

摘要/Abstract

摘要： 在不考虑客观随机因素的飞机飞行姿态动力学建模和仿真过程中，仿真结果通常与飞行实测数据具有一定的偏差。以飞行实测数据的统计分析为基础，研究了一种具有随机激励的飞行姿态动力学建模方法，并采用随机动力学的研究手段对飞机的飞行动力学问题进行仿真分析。计算结果显示，随机因素对于飞行姿态具有显著的影响，且考虑不确定因素的仿真模型随机响应能够比确定性响应更精准地模拟飞机在真实环境中的飞行状态，为下一步精准分析飞行姿态提供了新的思路。

关键词: 飞行姿态动力学, 随机因素, 随机响应, 飞行实测数据, 仿真模型

Abstract: Without considering random factors, the simulation results are usually deviated from the real flight data to some extent in modeling and calculation of aircraft flight attitude dynamics. In this paper, based on statistical analysis of the actual flight data, a modeling method of flight attitude dynamics with random excitation is studied, and the flight dynamics of aircraft is simulated and analyzed by means of stochastic dynamics. The calculation results show that random factors have a significant impact on the flight attitude, and the stochastic response of the simulation model considering random factors can more accurately simulate the flight status of the aircraft in the real environment than the deterministic response, which provides a new idea for precise analysis of the flight attitude in the future.

Key words: aircraft flight attitude dynamics, random factors, stochastic response, flight real data, simulation model

中图分类号:

V212

李海泉, 陈小前, 张嘉图, 王亮. 随机激励作用下飞机飞行姿态动力学研究[J]. 航空学报, 2022, 43(3): 225232-225232.

LI Haiquan, CHEN Xiaoqian, ZHANG Jiatu, WANG Liang. Study on aircraft attitude dynamics under random excitation[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(3): 225232-225232.

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E-mail：hkxb@buaa.edu.cn

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随机激励作用下飞机飞行姿态动力学研究

Study on aircraft attitude dynamics under random excitation

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