飞机机翼故障的动态飞行包线估算方法

刘小雄; 孙逊; 唐强; 章卫国

飞机机翼故障的动态飞行包线估算方法

1.
西北工业大学自动化学院, 西安 710072
2. 西安飞行自动控制研究所, 西安 710065

基金项目: 航空科学基金资助项目（20100753009）

详细信息

中图分类号: V249
计量
- 文章访问数: 1404
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- 被引次数: 0
出版历程
- 收稿日期: 2012-12-24
- 网络出版日期: 2013-11-30

Method of dynamic flight envelop assessment for aircraft wing damages

1.
School of Automation, Northwestern Polytechnical University, Xi'an 710072, China
2. Flight Automatic Control Research Institute, Xi'an 710065, China

摘要

摘要: 进行机翼故障情况下的飞行包线估算可为驾驶员正确操纵和包线保护控制提供必要的信息.考虑到飞机机翼故障的动力学特点，提出一种动态飞行包线估算方法.建立故障参数模型，应用最小二乘辨识算法进行气动参数辨识与故障诊断；基于参数辨识结果估算飞行包线；根据故障特点，分别对系统进行配平计算，在每个配平点建立飞行包线数据库，根据故障诊断结果实时调用包线库中的数据，形成当前时刻的飞行包线.
- 机翼故障 /
- 包线估算 /
- 参数辨识 /
- 飞行包线
Abstract: It is important for flight envelop assessment in the presence of control surface damage of aircraft, which can offer information to pilot and protection control in order to improve the reliability. Considered dynamic characteristic of the wing damage, a method of dynamic flight envelop assessment was proposed. According to control surface damage could cause the aerodynamic parameter change, the damage modeling was built. Based on the least square method, the aerodynamic parameters and failure diagnosis were achieved by online. The flight envelop was assessed accurately based on identification and operating trim points. The simulation results show the effectiveness of the proposed method.
- wing damage /
- envelop assessment /
- parameter identification /
- flight envelop

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参考文献(12)

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