Reduction of the number of power amplifiers for an advanced single-stage planar actuator

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Abstract

Moving-magnet planar actuators typically have many stator coils, of which the current is controlled individually. Only the coils that lie directly underneath the translator have to be powered. Hence a large reduction in the number of power amplifiers is possible, thereby reducing system complexity and cost as well. A multiplexer topology based on solid-state switches is proposed to be able to use a minimal amount of amplifiers. Active leakage current reduction circuitry is proposed to prevent amplifier performance degradation by the multiplexer. A high common mode rejection current transformer is designed and built for the measurement of the induced noise current.
Original languageEnglish
Title of host publicationProceedings of the 14th European Conference on Power Electronics and Applications and Exhibition (EPE'11 ECCE Europe), 30 August - 1 September 2011, Birmingham, UK, England
PublisherInstitute of Electrical and Electronics Engineers
Pages1-10
Publication statusPublished - 2011
Event14th European Conference on Power Electronics and Applications (EPE 2011 ECCE Europe) - Birmingham, United Kingdom
Duration: 30 Aug 20111 Sep 2011
Conference number: 14
http://www.epe2011.com/

Conference

Conference14th European Conference on Power Electronics and Applications (EPE 2011 ECCE Europe)
Abbreviated titleEPE '11 ECCE Europe
CountryUnited Kingdom
CityBirmingham
Period30/08/111/09/11
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