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论文:2013,Vol:31,Issue(4):560-564 |
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引用本文： |
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蒋瑞民, 周军, 郭建国, 王国庆. 基于参数摄动的导弹姿态控制系统新型精度分析方法[J]. 西北工业大学 |
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Jiang Ruimin, Zhou Jun, Guo Jianguo, Wang Guoqing. A New Precision Analysis Method for Missile Attitude Control System with Parametric Perturbation[J]. Northwestern polytechnical university |
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| 基于参数摄动的导弹姿态控制系统新型精度分析方法 |
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| 蒋瑞民1, 周军1, 郭建国1, 王国庆2 |
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1. 西北工业大学 精确制导与控制研究所, 陕西 西安 710072;
2. 中国运载火箭技术研究发展中心, 北京 10007 |
| 摘要: |
| 针对协方差分析描述函数法(Covariance Analysis Describing Function Technique,CADET)在分析存在内部参数摄动的不确定系统时精度不高的问题,提出了一种分析存在内部参数摄动的导弹姿态控制系统新型精度分析方法。结合传统的CADET方法,对含有参数摄动的广义非线性项进行统计线性化,得到状态均值和协方差的增广传播方程,采用改进的CADET方法对某型号导弹的姿态控制系统进行了数学仿真。仿真结果表明了改进的CADET方法可快速、有效分析存在外部干扰和内部参数摄动系统的精度。 |
| 关键词:
精度分析
参数摄动系统
改进的协方差分析描述函数法
姿态控制系统
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| A New Precision Analysis Method for Missile Attitude Control System with Parametric Perturbation |
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| Jiang Ruimin1, Zhou Jun1, Guo Jianguo1, Wang Guoqing2 |
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1. Institute for Precision Guidance and Control, Northwestern Polytechnical University, Xi'an, 710072;
2. R&D Center, China Academy of Launch Vehicle Technology, Beijing 100076 |
| Abstract: |
| Covariance Analysis Describing Function Technique (CADET) is considered too crude for precision a-nalysis of systems with parametric perturbation.We present new precision analysis method for missile attitude con-trol system with parametric perturbation considered.Based on the traditional CADET method, the generalized non-linear part including parametric perturbation is statistically linearized.The differential equations of state mean and covariance are obtained.We simulate a missile attitude control system, using respectively modified CADET method and Monte Carlo method.The results and their analysis show preliminarily that modified CADET method can indeed analyze the precision of missile attitude control system with both disturbance and parametric perturbation. |
| Key words:
attitude control
differential equations
mathematical models
Monte Carlo methods
sliding mode control
statistical methods
uncertain systems
variable structure control
modified CADET (covariance analysis describing function technique)
parametric perturbation
precision analysis
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| 收稿日期: 2012-10-30
修回日期:
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| DOI: |
| 基金项目: 航天支撑基金(N11XW0001)资助 |
| 通讯作者:
Email： |
| 作者简介: 蒋瑞民(1986-),西北工业大学博士研究生,主要从事先进控制理论及其应用、飞行器制导与控制系统研究。
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参考文献: |
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