Observer-based fault diagnosis of discrete interconnected systems

被引：0
作者：
Xi X. [1 ]
Zhao J. [1 ,2 ]
Liu T. [1 ,2 ]
Yan L. [1 ,3 ]
Pan J. [1 ,4 ]
机构：
[1] School of Mechatronics Engineering and Automation, Shanghai University, Shanghai
[2] Shanghai Key Laboratory of Power Station Automation Technology, Shanghai
[3] Microelectronics R&D Center, Shanghai University, Shanghai
[4] Huaiyin Normal University, Huai'an
来源：
Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument | 2018年 / 39卷 / 03期
关键词：
Distributed observers; Fault diagnosis; Interconnected system; Linear matrix inequality;
D O I：
10.19650/j.cnki.cjsi.J1702545
中图分类号：
学科分类号：
摘要：
This work studies the fault diagnosis method for discrete interconnected systems with uncertain parameters. The improved fast adaptive fault estimation (FAFE) algorithm is applied to the fault estimation for the discrete interconnected systems, and distributed fault observer is designed. The constraints of the original FAFE algorithm can be avoided in the design process in the improved FAFE algorithm. As a result, the system with uncertain parameters can also be calculated. Besides, the improved FAFE algorithm can guanrentee the accuracy of the original algorithm. Finally, various fault situations are considered in the simulation. © 2018, Science Press. All right reserved.
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收藏
页码：167 / 178
页数：11
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