Unscented Kalman Filter. Application of the robust approach to polymerization processes
- Tupaz Pantoja, Jhovany Alexander
- Asteasuain, Mariano
- Sanchez, Mabel Cristina
DOIAbstract
The control of polymerization processes has central importance because operational conditions affect the processing and end-use properties of the product. The nonlinear controllers based upon rigorous models make use of the on-line state estimates obtained from the available measurements. For polymerization processes, the Unscented Kalman Filter has shown a rewarding performance for state estimation. Because the presence of outliers distorts the behaviour of the filter, Robust Statistics-based approaches have been proposed to reduce their detrimental effect on variable estimates. Until now, only Huber type M-estimators have been used as loss function of the estimation problem. In this work, the ability of other types of M-estimators to impr...
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