A bit-stream based PWM technique for sine-wave generation

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dc.contributor.author Patel, Nitish en
dc.contributor.author Madawala, Udaya en
dc.date.accessioned 2012-03-12T19:04:20Z en
dc.date.issued 2009 en
dc.identifier.citation IEEE Transactions on Industrial Electronics 56(7):2530-2539 2009 en
dc.identifier.issn 0278-0046 en
dc.identifier.uri http://hdl.handle.net/2292/13946 en
dc.description.abstract A new method for the generation of high-quality sinusoidal signals is presented. Multibit binary signals are represented using uniformly weighted single bit streams that can then be processed by digital logic. Building blocks that are useful for the construction of the sinusoidal generator are also presented. The bit-stream representation has the advantage of having the characteristics of a classical pulsewidth-modulation signal and hence can be used to drive high-power switching devices with minimal conditioning. The technique is simple and can easily be implemented using digital logic on a field-programmable gate array (FPGA). The operation of a single-phase inverter using the proposed technique is demonstrated using an Altera Stratix FPGA and a custom-built power stage. The complete digital design uses less than 200 logic elements. The performance of this technique is quantified using simulations and practical measurements. Practical implementations lead to total harmonic distortion measures ranging between 0.75% and 4.92%. en
dc.publisher Institute of Electrical and Electronics Engineers (IEEE) en
dc.relation.ispartofseries IEEE Transactions on Industrial Electronics en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/0278-0046/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title A bit-stream based PWM technique for sine-wave generation en
dc.type Journal Article en
dc.identifier.doi 10.1109/TIE.2009.2021682 en
pubs.issue 7 en
pubs.begin-page 2530 en
pubs.volume 56 en
dc.rights.holder Copyright: Institute of Electrical and Electronics Engineers (IEEE) en
pubs.end-page 2539 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 94291 en
pubs.org-id Engineering en
pubs.org-id Department of Electrical, Computer and Software Engineering en
pubs.record-created-at-source-date 2010-09-01 en


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