Levitation control for a double-sided bearingless linear motor based on feedback linearization
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A4 Artikkeli konferenssijulkaisussa
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en
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8
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Proceedings of the 11th IEEE Energy Conversion Congress and Exposition, ECCE 2019, pp. 4923-4930, IEEE Energy Conversion Congress and Exposition
Abstract
This paper deals with levitation control for a double-sided bearingless linear-motor system. Analytical design rules for a state-feedback gain and a state observer are derived. To decouple the production of forces in thrust- and normal-force directions, feedback-linearizing control based on the magnetic model is proposed. The proposed control design is tested in an experimental system consisting of four individually supplied linear-motor units in a double-sided configuration. The results from time-domain simulations and experimental tests suggest that the proposed control design can successfully provide smooth transition to contactless operation and retain the stable levitation during the movement in the thrust-force direction.Description
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Saarakkala, S E, Sokolov, M, Hosseinzadeh, R & Hinkkanen, M 2019, Levitation control for a double-sided bearingless linear motor based on feedback linearization. in Proceedings of the 11th IEEE Energy Conversion Congress and Exposition, ECCE 2019. IEEE Energy Conversion Congress and Exposition, IEEE, pp. 4923-4930, IEEE Energy Conversion Congress and Exposition, Baltimore, Maryland, United States, 29/09/2019. https://doi.org/10.1109/ECCE.2019.8913219