DocumentCode :
574170
Title :
Bayesian methods for process identification with outliers
Author :
Khatibisepehr, S. ; Biao Huang
Author_Institution :
Dept. of Chem. & Mater. Eng., Univ. of Alberta, Edmonton, AB, Canada
fYear :
2012
fDate :
27-29 June 2012
Firstpage :
3516
Lastpage :
3521
Abstract :
The problem of model identification in the presence of outliers has received great attention and a wide variety of outlier identification approaches have been proposed. Yet, there is a great need to seek for more general solutions and a unified framework to solving various practical problems. We propose to formulate the model identification problem under a robust unified framework consisting of consecutive levels of Bayesian inference. The proposed Bayesian inference scheme not only yields maximum a posteriori (MAP) estimates of model parameters, but also provides an automated mechanism for determining hyperparameters of the model parameters´ prior distributions and for investigating the quality of each data point. The effectiveness of the developed robust framework will be demonstrated on the simulated data-sets.
Keywords :
Bayes methods; identification; maximum likelihood estimation; process control; Bayesian inference scheme; Bayesian methods; MAP; data point quality; maximum a posteriori estimation; model identification; model parameter prior distributions; outlier identification approach; process identification; Bayesian methods; Data models; Estimation; Noise; Optimization; Robustness; Standards;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
American Control Conference (ACC), 2012
Conference_Location :
Montreal, QC
ISSN :
0743-1619
Print_ISBN :
978-1-4577-1095-7
Electronic_ISBN :
0743-1619
Type :
conf
DOI :
10.1109/ACC.2012.6314754
Filename :
6314754
Link To Document :
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