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Article: Improved spectral performance of random PWM schemes with weighted switching decision

TitleImproved spectral performance of random PWM schemes with weighted switching decision
Authors
KeywordsAcoustic Noise
Random Processes
Spectrum Analysis
Statistical Methods
Issue Date1998
PublisherIEEE
Citation
Ieee Transactions On Power Electronics, 1998, v. 13 n. 6, p. 1038-1045 How to Cite?
AbstractThe authors present a statistical approach to the analysis of random pulsewidth modulation (RPWM) methods which generate PWM signals by comparing a reference modulating function with random numbers or signals. Such an approach is used to analyze and optimize a new weighted RPWM (WRPWM) method and also a standard trapezoidal RPWM method. The WRPWM scheme combines the advantages of the nondeterministic and deterministic PWM methods by adding some deterministic nature into the nondeterministic RPWM method. Both theoretical and experimental results confirm that the optimized WRPWM method has better spectral performance over the standard RPWM schemes and has attractive features such as the potential of third-harmonic boosting, reduced acoustic noise, and minimal low-order harmonics under an over modulation condition for electronic drive applications.
Persistent Identifierhttp://hdl.handle.net/10722/136866
ISSN
2023 Impact Factor: 6.6
2023 SCImago Journal Rankings: 3.644
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorShrivastava, Yen_HK
dc.contributor.authorSathiakumar, Sen_HK
dc.contributor.authorHui, SYen_HK
dc.date.accessioned2011-07-29T02:13:13Z-
dc.date.available2011-07-29T02:13:13Z-
dc.date.issued1998en_HK
dc.identifier.citationIeee Transactions On Power Electronics, 1998, v. 13 n. 6, p. 1038-1045en_HK
dc.identifier.issn0885-8993en_HK
dc.identifier.urihttp://hdl.handle.net/10722/136866-
dc.description.abstractThe authors present a statistical approach to the analysis of random pulsewidth modulation (RPWM) methods which generate PWM signals by comparing a reference modulating function with random numbers or signals. Such an approach is used to analyze and optimize a new weighted RPWM (WRPWM) method and also a standard trapezoidal RPWM method. The WRPWM scheme combines the advantages of the nondeterministic and deterministic PWM methods by adding some deterministic nature into the nondeterministic RPWM method. Both theoretical and experimental results confirm that the optimized WRPWM method has better spectral performance over the standard RPWM schemes and has attractive features such as the potential of third-harmonic boosting, reduced acoustic noise, and minimal low-order harmonics under an over modulation condition for electronic drive applications.en_HK
dc.languageengen_US
dc.publisherIEEEen_US
dc.relation.ispartofIEEE Transactions on Power Electronicsen_HK
dc.subjectAcoustic Noiseen_US
dc.subjectRandom Processesen_US
dc.subjectSpectrum Analysisen_US
dc.subjectStatistical Methodsen_US
dc.titleImproved spectral performance of random PWM schemes with weighted switching decisionen_HK
dc.typeArticleen_HK
dc.identifier.emailHui, SY:ronhui@eee.hku.hken_HK
dc.identifier.authorityHui, SY=rp01510en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/63.728331en_HK
dc.identifier.scopuseid_2-s2.0-0032203169en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032203169&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume13en_HK
dc.identifier.issue6en_HK
dc.identifier.spage1038en_HK
dc.identifier.epage1045en_HK
dc.identifier.isiWOS:000076792800006-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridShrivastava, Y=35249113700en_HK
dc.identifier.scopusauthoridSathiakumar, S=7004497631en_HK
dc.identifier.scopusauthoridHui, SY=7202831744en_HK
dc.identifier.issnl0885-8993-

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