推力矢量防空导弹伺服弹性的抑制

吴云洁; 宋嘉赟; 刘晓东; 张武龙

推力矢量防空导弹伺服弹性的抑制

1.
北京航空航天大学自动化科学与电气工程学院, 北京 100191
2. 成都飞机设计研究所, 成都 610091
3. 北京仿真中心导弹控制系统仿真国防科技重点实验室, 北京 100191

基金项目: 国家自然科学基金重大研究计划资助项目（91216304）

详细信息

中图分类号: TP273
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- 被引次数: 0
出版历程
- 收稿日期: 2012-12-16
- 网络出版日期: 2013-11-30

Suppression of aeroservoelasticity in anti-aircraft missile using thrust vector

1.
School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2. Chengdu Aircraft Design & Research Institute, Chengdu 610091, China
3. National Defense Science and Technology Key Laboratory of Missile, Beijing Simulation Center, Beijing 100854, China

摘要

摘要: 大长径比，低弹性频率的推力矢量控制导弹，由于其喷管摆动形成的惯性力对弹性模态产生激振，使弹体控制中存在伺服弹性问题.为了解决该问题，对摆动喷管控制下的弹性弹体模型进行了分析，针对弹性模态对控制系统的影响途径，提出了双传感器布局及测量信号预综合的方法.在此基础上，基于Steiglitz-McBride系统辨识方法，设计一种自适应噪声抑制滤波器对测得信号中的弹性分量进行处理，取得导弹刚体运动的有用信号.仿真证明该方法有效提高了控制系统对弹体弹性特征变化的适应性.双传感器的使用也增加了测量及滤波系统的可靠性.
- 防空导弹 /
- 摆动喷管 /
- 伺服弹性 /
- SMM /
- 自适应滤波
Abstract: Anti-aircraft missile are always designed with large aspect ratio,which has low body flexible frequency. Besides, nozzle swing would increase the vibration of missile body. To eliminate this effect, the article analyzed the relationship between the vibrations and control system. Based on modeling of flexible missile, it proposed the layout of the dual sensor plan and the way of pre-integrating for signal preprocessing. Using a new adaptive notch filter basing on Steiglitz-McBride, the useful signal could be got from the rigid body motion of the missile. In this way, the control system would have more flexibility and adaptability while dealing with the aeroservoelasticity. What's more, the layout of dual sensor would increase the reliability of measure and filter at the same time.
- anti-aircraft missile /
- swing nozzle /
- aeroservoelasticity /
- steiglitz-McBride method(SMM) /
- adaptive filtering

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参考文献(14)

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