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Distributed adaptive fault-tolerant control agains actuator faults and lossy interconnection links

ISSN号：2095-6983
期刊名称：《控制理论与技术：英文版》
时间：0
分类：TP393[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术] TP273[自动化与计算机技术—控制科学与工程;自动化与计算机技术—检测技术与自动化装置]
作者机构：[1]Key Laboratory of Integrated Automation for the Process Industry, Ministry of Education, and College of Information Science and Engineering, Northeastern University, Shenyang Liaoning 110004, China
相关基金：This work was partly supported by the National Basic Research Program of China （973 Program）（No.2009CB320604）, the Key Program of National Natural Science Foundation of China （No.60534010）, National Natural Science Foundation of China （No.60674021）, Program for New Century Excellent Talents in Universities （No.NCET-04-0283）, the Funds for Creative Research Groups of China （No.60821063）, Program for Changjiang Scholars and Innovative Research Team in University （No.IRT0421）, the Funds of Doctoral Program of Ministry of Education, China （No.20060145019）, and the 111 Project （No.B08015）.

关键词：分布式体系结构, 执行器故障, 鲁棒容错控制, 自适应方法, LYAPUNOV稳定性理论, 互连, 状态反馈控制器, 控制器参数, Fault-tolerant control, Distributed state feedback, Adaptive control, Asymptotic stability

中文摘要：

这篇论文论述一个适应方法解决为对致动器失败和有损耗的互联的大规模系统的一个类的问题连接的柔韧的差错容忍的控制(FTC ) 。以特殊分布式的体系结构，改编法律被建议估计致动器和互联的未知最终的差错，经常的外部骚乱，和联机的控制器参数。然后，分布式的州的反馈控制器的一个类为自动地从适应计划基于信息在系统上补偿差错和骚乱效果被构造。根据 Lyapunov 稳定性理论，它证明结果适应靠近环的大规模系统能被保证面对致动器和互联的不明确的差错 asymptotically 稳定，并且经常的骚乱。建议设计技术最后根据一个模拟例子被评估。

英文摘要：

This paper presents an adaptive method to solve the robust fault-tolerant control （FTC） problem for a class of large scale systems against actuator failures and lossy interconnection links. In terms of the special distributed architectures, the adaptation laws are proposed to estimate the unknown eventual faults of actuators and interconnections, constant external disturbances, and controller parameters on-line. Then a class of distributed state feedback controllers are constructed for automatically compensating the fault and disturbance effects on systems based on the information from adaptive schemes. On the basis of Lyapunov stability theory, it shows that the resulting adaptive closed-loop large-scale system can be guaranteed to be asymptotically stable in the presence of uncertain faults of actuators and interconnections, and constant disturbances. The proposed design technique is finally evaluated in the light of a simulation example.

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