Linearizing Controller for Higher-degree Nonlinear Processes with Compensation for Modeling Inaccuracies - Practical Validation and Future Developments

Pawel Nowak, Jacek Czeczot, Tomasz Klopot, Mateusz Szymura, Bogdan Gabrys

Abstract

This work shows the results of the practical implementation of the linearizing controller for the example laboratory pneumatic process of the third relative degree. Controller design is based on the Lie algebra framework but in contrast to the previous attempts, the on-line model update method is suggested to ensure offset-free control. The paper details the proposed concept and reports the experiences from the practical implementation of the suggested controller. The superiority of the proposed approach over the conventional PI controller is demonstrated by experimental results. Based on the experiences and the validation results, the possibilities of the potential application of the data-driven soft sensors for further improvement of the control performance are discussed.

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Paper Citation


in Harvard Style

Nowak P., Czeczot J., Klopot T., Szymura M. and Gabrys B. (2014). Linearizing Controller for Higher-degree Nonlinear Processes with Compensation for Modeling Inaccuracies - Practical Validation and Future Developments . In Proceedings of the 11th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, ISBN 978-989-758-039-0, pages 691-698. DOI: 10.5220/0005048606910698


in Bibtex Style

@conference{icinco14,
author={Pawel Nowak and Jacek Czeczot and Tomasz Klopot and Mateusz Szymura and Bogdan Gabrys},
title={Linearizing Controller for Higher-degree Nonlinear Processes with Compensation for Modeling Inaccuracies - Practical Validation and Future Developments},
booktitle={Proceedings of the 11th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,},
year={2014},
pages={691-698},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005048606910698},
isbn={978-989-758-039-0},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 11th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,
TI - Linearizing Controller for Higher-degree Nonlinear Processes with Compensation for Modeling Inaccuracies - Practical Validation and Future Developments
SN - 978-989-758-039-0
AU - Nowak P.
AU - Czeczot J.
AU - Klopot T.
AU - Szymura M.
AU - Gabrys B.
PY - 2014
SP - 691
EP - 698
DO - 10.5220/0005048606910698