Title :
Uncertainty propagation for efficient model-based control solutions
Author :
Yingying Chen ; Hoo, K.A.
Author_Institution :
Dept. of Chem. Eng., Texas Tech Univ., Lubbock, TX, USA
fDate :
June 30 2010-July 2 2010
Abstract :
The aim of this work is to represent and propagate model parameter uncertainty so that a model-based control solution is more accurate and robust. To meet this aim, the random fuzzy variable approach is used to provide an accurate range of the uncertainty in the input parameters. In these ranges, the Latin hypercube Hammersley sampling technique is applied for efficient uncertainty propagation. The resulting distribution of the outputs can be used to identify suitable models from which to develop model-based controller solutions. An example is provided that demonstrates the potential of this type of approach for more robust regulation when compared to models that exclude the effect of parameter uncertainty.
Keywords :
fuzzy control; fuzzy set theory; parameter estimation; robust control; sampling methods; uncertain systems; Latin hypercube Hammersley sampling; model parameter uncertainty; model-based control; random fuzzy variable; robust control; uncertainty propagation; Chemical engineering; Control design; Fuzzy control; Hypercubes; Possibility theory; Robust control; Robustness; Sampling methods; Uncertain systems; Uncertainty;
Conference_Titel :
American Control Conference (ACC), 2010
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4244-7426-4
DOI :
10.1109/ACC.2010.5531130