| 高超声速巡航飞行器振动建模及精细姿态控制 |
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| 引用本文： | 孟中杰,黄攀峰,闫杰. 高超声速巡航飞行器振动建模及精细姿态控制[J]. 西北工业大学学报, 2011, 29(3): 481-485 |
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| 作者姓名： | 孟中杰 黄攀峰 闫杰 |
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| 作者单位： | 西北工业大学航天学院,陕西西安,710072 |
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| 基金项目： | 航天支撑基金、西北工业大学基金 |
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| 摘 要： | 为保证超燃冲压发动机的良好进气环境,需要对高超声速巡航飞行器进行精细姿态控制,但弹性振动大大提高了精细姿态控制的设计难度。以高超声速巡航飞行器的纵向通道为例,文章分析弹性振动对飞行控制系统的影响,建立高超声速巡航飞行器的弹性模型,将精细姿态控制问题简化为超燃冲压发动机进气口当地攻角的精细控制问题,考虑机体/发动机耦合和气动热造成了气动参数和模态参数大范围摄动问题,基于H∞理论设计鲁棒控制系统。仿真表明,在考虑测量噪声、舵机非线性、参数大范围摄动的情况下仍然能够很好地跟踪刚体攻角,抑制弹性攻角,保证进气口当地攻角±0.6°的控制精度,满足高超声速飞行器精细姿态控制的要求。
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| 关 键 词： | 高超声速飞行器 振动建模 精细姿态控制 H∞控制 |
Satisfying Stringent Requirements for Fine Attitude Control of Hypersonic Cruise Vehicle (HCV) |
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| Meng Zhongjie,Huang Panfeng,Yan Jie. Satisfying Stringent Requirements for Fine Attitude Control of Hypersonic Cruise Vehicle (HCV)[J]. Journal of Northwestern Polytechnical University, 2011, 29(3): 481-485 |
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| Authors: | Meng Zhongjie Huang Panfeng Yan Jie |
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| Affiliation: | (College of Astronautics,Northwestern Polytechnical University,Xi′an 710072,China) |
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| Abstract: | Aim.The introduction of the full paper reviews a number of papers in the open literature and then outlines the research in this paper,which is explained in sections 1,2 and 3.Taking the longitudinal channel of a HCV for example,section 1 analyzes the impact of elastic vibration on its flight control system.Section 2 establishes the elastic aerodynamic model of the HCV by giving eqs.(9) and(11).The core of section 3 consists of:(1) we reduce the fine attitude control of HCV to the fine control of the inlet l... |
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| Keywords: | missiles control vibrations(mechanical) hypersonic cruise vehicle(HCV) vibration modeling fine attitude control H∞ control |
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