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High-accuracy all-digital resolver-to-digital conversion
dc.contributor.author | Bergas Jané, Joan Gabriel |
dc.contributor.author | Ferrater Simón, María Misericordia |
dc.contributor.author | Gross, Gabriel Igor |
dc.contributor.author | Ramírez Pisco, Rodrigo |
dc.contributor.author | Galceran Arellano, Samuel |
dc.contributor.author | Rull Duran, Joan |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica |
dc.date.accessioned | 2011-09-22T13:56:07Z |
dc.date.available | 2011-09-22T13:56:07Z |
dc.date.created | 2011-04-19 |
dc.date.issued | 2011-04-19 |
dc.identifier.citation | Bergas, J. [et al.]. High-accuracy all-digital resolver-to-digital conversion. "IEEE transactions on industrial electronics", 19 Abril 2011, vol. 58, núm. 12. |
dc.identifier.issn | 0278-0046 |
dc.identifier.uri | http://hdl.handle.net/2117/13305 |
dc.description.abstract | In this article, a high-accuracy all-digital resolverto- digital converter is presented. The two basic components of a conventional tracking R/D converter, the phase detector and the loop filter, are software implemented by frequency shifting techniques and a decoupled Double Synchronous Rotating reference Frame-based PLL (DSRF-PLL). This PLL allows the simultaneous extraction of the angular position and speed of the rotatory resolver, even in the presence of gain and phase errors in the resolver. In order to increase accuracy and to minimize the time lag of the whole system, oversampling methods and downsampling FIR digital filters are introduced. Finally, DSP implementation issues, like the use of techniques to synchronize the resolver output signals with the excitation one, are discussed. Using these combined techniques and a standard DSP with a 12-bit ADC, resolutions of up to 14 bits can be achieved with a computation cost of about 13% of the total (100 MIPs). The paper presents the main techniques, simulation and experimental results. |
dc.language.iso | eng |
dc.publisher | IEEE Press. Institute of Electrical and Electronics Engineers |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal::Filtres analògics i digitals |
dc.subject.lcsh | Variable speed drives |
dc.subject.lcsh | Electric filters, Digital |
dc.title | High-accuracy all-digital resolver-to-digital conversion |
dc.type | Article |
dc.subject.lemac | Filtres digitals |
dc.contributor.group | Universitat Politècnica de Catalunya. CITCEA - Centre d'Innovació Tecnològica en Convertidors Estàtics i Accionaments |
dc.identifier.doi | 10.1109/TIE.2011.2143370 |
dc.relation.publisherversion | http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5751675&isnumber=4387790 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 5964790 |
dc.description.version | Postprint (published version) |
local.citation.author | Bergas, J.; Ferrater, M.; Gross, Gabriel; Ramirez, R.; Galceran-Arellano, S.; Rull, J. |
local.citation.publicationName | IEEE transactions on industrial electronics |
local.citation.volume | 58 |
local.citation.number | 12 |
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