[1]高 敏,姜 顺,潘 丰.带丢包的网络化控制系统的随机故障检测[J].南京理工大学学报(自然科学版),2018,42(03):292.[doi:10.14177/j.cnki.32-1397n.2018.42.03.006]
 Gao Min,Jiang Shun,Pan Feng.Random fault detection for networked control systems with packet losses[J].Journal of Nanjing University of Science and Technology,2018,42(03):292.[doi:10.14177/j.cnki.32-1397n.2018.42.03.006]
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带丢包的网络化控制系统的随机故障检测
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
42卷
期数:
2018年03期
页码:
292
栏目:
出版日期:
2018-06-30

文章信息/Info

Title:
Random fault detection for networked control systems with packet losses
文章编号:
1005-9830(2018)03-0292-08
作者:
高 敏姜 顺潘 丰
江南大学 轻工过程先进控制教育部重点实验室,江苏 无锡 214122
Author(s):
Gao MinJiang ShunPan Feng
Key Laboratory of Advanced Process Control for Light Industry(Ministry of Education), Jiangnan University,Wuxi 214122,China
关键词:
网络化控制系统 随机故障 随机丢包 信号量化 故障检测滤波器 线性矩阵不等式
Keywords:
networked control systems random faults random packet losses signal quantization fault detection filter linear matrix inequality
分类号:
TP273
DOI:
10.14177/j.cnki.32-1397n.2018.42.03.006
摘要:
为提高网络化控制系统的性能和稳定性,研究系统中同时存在随机故障、丢包以及信号量化的故障检测(FD)问题。用满足Bernoulli分布的随机变量表示故障发生概率,建立存在随机故障的网络化控制系统的数学模型。用FD滤波器作为残差产生机制,借助状态增广的方法将常规的FD滤波器设计问题转化为H滤波问题。利用Lyapunov稳定性理论和线性矩阵不等式(LMI)方法得到滤波器的参数表达式,从而获得系统的残差,用于判断故障是否发生。仿真验证了所设计的随机故障检测方法的有效性。
Abstract:
Fault detection(FD)is researched for a networked control system with randomly occurring faults,random packet losses and signal quantization to improve the performance and stability. A mathematical model is established for the networked control system with randomly occurring faults,and a random variable satisfying Bernoulli distribution is introduced to describe the probability of fault occurrence. The original FD filter design problem is turned into an H filtering design problem using state enlargement with the FD filter as the residual generator. A parameter expression of the FD filter is derived by Lyapunov stability theory and the linear matrix inequality(LMI)method,and the residual signal is obtained to judge the occurrence of faults. The effectiveness of the proposed FD method is verified by simulation.

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备注/Memo

备注/Memo:
收稿日期:2017-08-15 修回日期:2017-10-11
基金项目:国家自然科学基金(61403168)
作者简介:高敏(1993-),女,硕士生,主要研究方向:网络化控制,E-mail:18816208303@163.com; 通讯作者:潘丰(1963-),男,博士,教授,主要研究方向:生产过程建模、优化与控制,E-mail:pan_feng_63@163.com。
引文格式:高敏,姜顺,潘丰. 带丢包的网络化控制系统的随机故障检测[J]. 南京理工大学学报,2018,42(3):292-299.
投稿网址:http://zrxuebao.njust.edu.cn
更新日期/Last Update: 2018-06-30