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Flatness-based feed-forward control design for solenoid actuators considering eddy currents

  • Flatness-based feed-forward control of solenoid actuators is considered. For precise motion planning and accurate steering of conventional solenoids, eddy currents cannot be neglected. The system of ordinary differential equations including eddy currents, that describes the nonlinear dynamics of such actuators, is not differentially flat. Thus, a distributed parameter approach based on a diffusion equation is considered, that enables the parametrization of the eddy current by the armature position and its time derivatives. In order to design the feedforward control, the distributed parameter model of the eddy current subsystem is combined with a typical nonlinear lumped parameter model for the electrical and mechanical subsystems of the solenoid. The control design and its application are illustrated by numerical and practical results for an industrial solenoid actuator.

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Author:Tristan BraunORCiD, Johannes ReuterORCiD, Joachim RudolphORCiD
Parent Title (English):Proceedings of the 8th IFAC Symposium on Mechatronic Systems, September 4-6, Vienna, Austria (IFAC-PapersOnLine Vol. 52, Iss. 15)
Document Type:Conference Proceeding
Year of Publication:2019
Release Date:2020/01/20
Tag:Differential flatness; Feed-forward control; Motion planning; Distributed parameter systems; Eddy currents
First Page:567
Last Page:572
Volltextzugriff für Angehörige der Hochschule Konstanz möglich
Institutes:Institut für Systemdynamik - ISD
Relevance:Keine peer reviewed Publikation (Wissenschaftlicher Artikel und Aufsatz, Proceeding, Artikel in Tagungsband)
Open Access?:Nein
Licence (German):License LogoUrheberrechtlich geschützt