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Authors: Claudia-Adina Dragoş 1 ; Radu-Emil Precup 1 ; Emil M. Petriu 2 ; Marius L. Tomescu 3 ; Stefan Preitl 1 ; Radu-Codruţ David 1 and Mircea-Bogdan Rădac 1

Affiliations: 1 “Politehnica” University of Timisoara, Romania ; 2 University of Ottawa, Canada ; 3 “Aurel Vlaicu” University of Arad, Romania

Keyword(s): 2-DOF PI-fuzzy controllers, Cascade control system structures, Magnetic levitation system, PI controllers.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Computational Intelligence ; Fuzzy Control ; Fuzzy Systems ; Informatics in Control, Automation and Robotics ; Intelligent Control Systems and Optimization ; Mechatronic Systems ; Soft Computing

Abstract: This paper treats aspects concerning the design of two-degree-of-freedom (2-DOF) PI-fuzzy controllers dedicated to the position control of magnetic levitation system. 2-DOF Mamdani and Takagi-Sugeno PI-fuzzy controller structures based on the fuzzification of some linear blocks in the 2-DOF linear controller structures are discussed. A design approach of three new cascade control system structures is offered. The design approach carries out first the pole placement design of the inner state feedback control system. The 2-DOF PI-fuzzy controllers in the outer loops are next designed to merge separately designed linear PI controllers accounting for the linearization of the process model at certain operating points. Samples of real-time experimental results related to a laboratory equipment are given to validate the new fuzzy control system structures and the design approach.

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Paper citation in several formats:
Dragoş, C.; Precup, R.; Petriu, E.; L. Tomescu, M.; Preitl, S.; David, R. and Rădac, M. (2011). 2-DOF PI-FUZZY CONTROLLERS FOR A MAGNETIC LEVITATION SYSTEM. In Proceedings of the 8th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO; ISBN 978-989-8425-74-4; ISSN 2184-2809, SciTePress, pages 111-116. DOI: 10.5220/0003537201110116

@conference{icinco11,
author={Claudia{-}Adina Dragoş. and Radu{-}Emil Precup. and Emil M. Petriu. and Marius {L. Tomescu}. and Stefan Preitl. and Radu{-}Codruţ David. and Mircea{-}Bogdan Rădac.},
title={2-DOF PI-FUZZY CONTROLLERS FOR A MAGNETIC LEVITATION SYSTEM},
booktitle={Proceedings of the 8th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO},
year={2011},
pages={111-116},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003537201110116},
isbn={978-989-8425-74-4},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the 8th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO
TI - 2-DOF PI-FUZZY CONTROLLERS FOR A MAGNETIC LEVITATION SYSTEM
SN - 978-989-8425-74-4
IS - 2184-2809
AU - Dragoş, C.
AU - Precup, R.
AU - Petriu, E.
AU - L. Tomescu, M.
AU - Preitl, S.
AU - David, R.
AU - Rădac, M.
PY - 2011
SP - 111
EP - 116
DO - 10.5220/0003537201110116
PB - SciTePress

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