飞行器网络控制系统故障检测与时域优化

马奥家; 董朝阳; 王青

doi:10.13700/j.bh.1001-5965.2013.0279

飞行器网络控制系统故障检测与时域优化

doi: 10.13700/j.bh.1001-5965.2013.0279

1.
北京航空航天大学航空科学与工程学院, 北京 100191
2. 北京航空航天大学自动化科学与电气工程学院, 北京 100191

基金项目: 国家自然科学基金资助项目（61074027，61273083）；国防预研基金资助项目（9140C48020212HK0101）

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: 2013-05-23
- 网络出版日期: 2014-03-20

Fault detection and time domain of flight networked control system

1.
School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2. School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 针对存在马尔可夫短时延和丢包的网络环境，研究了飞行器网络控制系统的故障检测系统设计与优化问题.将含有上述问题的网络化控制系统建模为离散的马尔可夫跳变系统.在此基础上，基于观测器构建残差生成器，将故障检测问题转换成H_∞滤波问题，以LMI（Linear Matrix Inequality）的形式得到并证明了故障检测滤波器存在的充分条件和求解方法.为进一步改善检测性能，提高检测系统对故障信号的灵敏度，采用一种时域优化方法对残差评估函数进行优化处理，并给出了该优化问题最优解的求解方法.数值仿真说明了所提方法的有效性.
- 飞行器 /
- 网络控制系统 /
- 故障检测 /
- 时域优化 /
- 马尔可夫系统
Abstract: The problem of fault detection was studied for flight networked control system with Markov delay and packet dropout. The networked control system with those problems was modeled as discrete Markov jump system. Based on this model, the residual generator was constructed as the observer and the problem of fault detection was transformed to the problem of H_∞ filtering problem. The solvable condition of the fault detection filter and further the solution were derived by using linear matrix inequality techniques. To improve the performance of the fault detection system and enhance the sensitivity to the fault, a time domain optimization approach and it's solution were proposed to deal with the residual evaluation function. A numerical example was provided to illustrate the effectiveness of the proposed approach.
- flight vehicle /
- networked control system /
- fault detection /
- time domain /
- Markov system

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参考文献(11)

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