Model-Based Actuator Fault Accommodation for Distributed Parameter Systems Represented by Coupled Linear PDEs

被引：0

作者：

Cai, Jia ^{[1
]}

Ferdowsi, Hasan ^{[1
]}

Jagannathan, S. ^{[1
]}

机构：

[1] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Rolla, MO 65401 USA

来源：

2015 IEEE CONFERENCE ON CONTROL AND APPLICATIONS (CCA 2015) | 2015年

关键词：

Fault detection; acconurwdation; distributed parameter systems; partial differential equations;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A model-based fault detection and accommodation scheme is introduced for a class of distributed parameter systems (DPS) described by coupled partial differential equations (PDEs). Actuator faults at the boundary condition arc considered. A detection observer is proposed based on the linear PDE representation of the DPS by assuming that the state information is available. Upon detecting a fault, an adaptive term is added to the observer to estimate the fault parameter vector which is utilized for fault accommodation by reconfiguring the control input. An update law is proposed to estimate the unknown fault parameter vector. An explicit formula is proposed to estimate the time-to-accommodation (TTA) by using the parameter vector. Finally, an example to demonstrate the effectiveness of the proposed scheme is included.

引用

页码：978 / 983

页数：6

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