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Comparison of two Ultra-fast actuator concepts
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0003-3515-3536
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2012 (English)In: IEEE transactions on magnetics, ISSN 0018-9464, E-ISSN 1941-0069, Vol. 48, no 11, 3315-3318 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, two different types of ultra-fast electromechanical actuators are compared using a multi-physical finite element simulation model that has been experimentally validated. They are equipped with a single-sided Thomson coil (TC) and a double-sided drive coil (DSC), respectively. The former consists of a spirally-wound flat coil with a copper armature on top, while the latter consists of two mirrored spiral coils that are connected in series. Initially, the geometry and construction of each of the actuating schemes are discussed. Subsequently, the theory behind the two force generation principles are described. Furthermore, the current, magnetic flux densities, accelerations, and induced stresses are analyzed. Moreover, mechanical loadability simulations are performed to study the impact on the requirements of the charging unit, the sensitivity of the parameters, and evaluate the degree of influence on the performance of both drives. Finally, it is confirmed that although the DSC is mechanically more complex, it has a greater efficiency than that of the TC.

Place, publisher, year, edition, pages
IEEE Press, 2012. Vol. 48, no 11, 3315-3318 p.
Keyword [en]
Actuators, Capacitance, Capacitors, Coils, Copper, Force, Magnetomechanical effects
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-106259DOI: 10.1109/TMAG.2012.2198447ISI: 000310194400149Scopus ID: 2-s2.0-84867781339OAI: oai:DiVA.org:kth-106259DiVA: diva2:573534
Funder
StandUp
Note

QC 20121204

Available from: 2012-12-04 Created: 2012-11-30 Last updated: 2017-12-07Bibliographically approved

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Magnusson, Jesper

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