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| 网络化切换控制系统故障检测与优化设计 | |
| 引用本文： | 董朝阳 马奥家 王青 王昭磊. 网络化切换控制系统故障检测与优化设计[J]. 控制与决策, 2016, 31(2): 233-241 |
| 作者姓名： | 董朝阳 马奥家 王青 王昭磊 |
| 作者单位： | 北京航空航天大学a. 航空科学与工程学院，b. 自动化科学与电气工程学院，北京100191. |
| 基金项目： | 国家自然科学基金项目(61074027, 61273083, 61374012). |
| 摘 要： | 研究存在未知短时延、丢包和系统不确定性的网络化切换控制系统故障检测与时域优化问题. 首先基 于观测器构建残差发生器, 结合Lyapunov 函数方法和平均驻留时间方法分析系统的稳定性, 并以线性矩阵不等式(LMI) 形式给出故障检测滤波器的求解方法; 然后为了改善故障检测系统的性能, 采用后置滤波器对残差信号进行时域优化, 并利用奇偶空间方法给出其最优解; 最后设计并推导出自适应阈值. 仿真结果验证了所提出方法的有效性. |
| 关 键 词： | 故障检测|网络控制系统|自适应阈值|时域优化 |
| 收稿时间： | 2014-12-02 |
| 修稿时间： | 2015-03-12 |
Fault detection and optimal design for networked switched control systems |
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| DONG Chao-yang MA Ao-jia WANG Qing WANG Zhao-lei. Fault detection and optimal design for networked switched control systems[J]. Control and Decision, 2016, 31(2): 233-241 | |
| Authors: | DONG Chao-yang MA Ao-jia WANG Qing WANG Zhao-lei |
| Abstract: | The fault detection and time domain optimization problems for networked switched control systems with unknown short time delays, dropouts and uncertainties are studied. Firstly, an observer-based residual generator is constructed and the stability of the fault detection system is analyzed by combining Lyapunov function and average dwell time technique. The solutions of the fault detection filters are obtained by solving linear matrix inequalities. Then, a post filter is designed to improve the performance of the fault detection system, and the optimal solution is derived by using parity space approach. Finally, a kind of adaptive threshold is developed. Simulation results show the effectiveness of the proposed method. |
| Keywords: | fault detection|networked control systems|adaptive threshold|time domain optimization |
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