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|Title:||Observer-based fault-tolerant control for a class of nonlinear networked control systems|
|Citation:||International Journal of Control, 2014; 87(8):1707-1715|
|Publisher:||Taylor & Francis|
|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|
|Appears in Collections:||Aurora harvest 7|
Electrical and Electronic Engineering publications
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