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https://hdl.handle.net/2440/83548
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Type: | Journal article |
Title: | Fast fault estimation and accommodation for dynamical systems |
Author: | Zhang, K. Jiang, B. Shi, P. |
Citation: | IET Control Theory and Applications, 2009; 3(2):189-199 |
Publisher: | The Institution of Engineering and Technology |
Issue Date: | 2009 |
ISSN: | 1751-8644 1751-8652 |
Statement of Responsibility: | K. Zhang, B. Jiang, P. Shi |
Abstract: | The problem of fast active fault-tolerant control is studied using adaptive fault diagnosis observer (AFDO). Existence conditions for linear time-invariant system are first introduced to verify whether or not the adaptive observer for fault diagnosis exists. Then a novel fast adaptive fault estimation (FAFE) algorithm is proposed to enhance the performance of fault estimation. Using the on-line obtained fault information, the observer-based fault tolerant controller based on the separation property is designed to compensate for the loss of actuator effectiveness by stabilising the closed-loop system. Furthermore, an extension to a class of nonlinear systems is extensively investigated. Finally, simulation results are presented to illustrate the efficiency of the proposed techniques. |
Rights: | © The Institution of Engineering and Technology 2009 |
DOI: | 10.1049/iet-cta:20070283 |
Published version: | http://dx.doi.org/10.1049/iet-cta:20070283 |
Appears in Collections: | Aurora harvest Electrical and Electronic Engineering publications |
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