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https://hdl.handle.net/2440/85754
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Type: | Journal article |
Title: | Observer-based fault-tolerant control for a class of nonlinear networked control systems |
Author: | Mahmoud, M. Memon, A. Shi, P. |
Citation: | International Journal of Control, 2014; 87(8):1707-1715 |
Publisher: | Taylor & Francis |
Issue Date: | 2014 |
ISSN: | 0020-7179 1366-5820 |
Statement of Responsibility: | M.S. Mahmoud, A.M. Memon and Peng Shi |
Abstract: | This paper presents a fault-tolerant control (FTC) scheme for nonlinear systems which are connected in a networked control system. The nonlinear system is first transformed into two subsystems such that the unobservable part is affected by a fault and the observable part is unaffected. An observer is then designed which gives state estimates using a Luenberger observer and also estimates unknown parameter of the system; this helps in fault estimation. The FTC is applied in the presence of sampling due to the presence of a network in the loop. The controller gain is obtained using linear-quadratic regulator technique. The methodology is applied on a mechatronic system and the results show satisfactory performance. |
Keywords: | Fault-tolerant control; networked control systems; LQR design; Luenberger observer; mechatronic system |
Rights: | © 2014 Taylor & Francis |
DOI: | 10.1080/00207179.2014.883646 |
Grant ID: | http://purl.org/au-research/grants/arc/DP140102180 |
Published version: | http://dx.doi.org/10.1080/00207179.2014.883646 |
Appears in Collections: | Aurora harvest 7 Electrical and Electronic Engineering publications |
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