DocumentCode :
3686256
Title :
Model-based actuator fault accommodation for distributed parameter systems represented by coupled linear PDEs
Author :
Jia Cai;Hasan Ferdowsi;S. Jagannathan
Author_Institution :
Department of Electrical &
fYear :
2015
Firstpage :
978
Lastpage :
983
Abstract :
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 are 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.
Keywords :
"Observers","Boundary conditions","Actuators","Uncertainty","Fault detection","Parameter estimation"
Publisher :
ieee
Conference_Titel :
Control Applications (CCA), 2015 IEEE Conference on
Type :
conf
DOI :
10.1109/CCA.2015.7320739
Filename :
7320739
Link To Document :
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