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Conference Paper: A stability issue with current mode control flyback converter driving LEDs

TitleA stability issue with current mode control flyback converter driving LEDs
Authors
Pang, HMPong, MHB
KeywordsCurrent mode control model
Current program mode control
Flyback converter
Light emitted diode
PI controller
Issue Date2009
Citation
2009 Ieee 6Th International Power Electronics And Motion Control Conference, Ipemc '09, 2009, p. 1402-1406 How to Cite?
DOI: http://dx.doi.org/10.1109/IPEMC.2009.5157604
AbstractUse of LED lamp for lighting becomes common and power converter for LEDs is critical. This paper is about the design of stable power converter for LED lamp. In the construction of the converter, flyback topology is used together with current-controlled current mode control. LED is a current driven device with low dynamic resistance. This introduces instability to output feedback. Current mode control model with more accurate LED equivalent circuit is built on MATLAB Simulink to analysis the control aspect. A solution is figured out by adding additional resistor to output feedback loop. The proposed method is verified by experimental results. ©2009 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/62142
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorPang, HMen_HK
dc.contributor.authorPong, MHBen_HK
dc.date.accessioned2010-07-13T03:54:44Z-
dc.date.available2010-07-13T03:54:44Z-
dc.date.issued2009en_HK
dc.identifier.citation2009 Ieee 6Th International Power Electronics And Motion Control Conference, Ipemc '09, 2009, p. 1402-1406en_HK
dc.identifier.urihttp://hdl.handle.net/10722/62142-
dc.description.abstractUse of LED lamp for lighting becomes common and power converter for LEDs is critical. This paper is about the design of stable power converter for LED lamp. In the construction of the converter, flyback topology is used together with current-controlled current mode control. LED is a current driven device with low dynamic resistance. This introduces instability to output feedback. Current mode control model with more accurate LED equivalent circuit is built on MATLAB Simulink to analysis the control aspect. A solution is figured out by adding additional resistor to output feedback loop. The proposed method is verified by experimental results. ©2009 IEEE.en_HK
dc.languageengen_HK
dc.relation.ispartof2009 IEEE 6th International Power Electronics and Motion Control Conference, IPEMC '09en_HK
dc.subjectCurrent mode control modelen_HK
dc.subjectCurrent program mode controlen_HK
dc.subjectFlyback converteren_HK
dc.subjectLight emitted diodeen_HK
dc.subjectPI controlleren_HK
dc.titleA stability issue with current mode control flyback converter driving LEDsen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailPong, MHB:mhp@eee.hku.hken_HK
dc.identifier.authorityPong, MHB=rp00163en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/IPEMC.2009.5157604en_HK
dc.identifier.scopuseid_2-s2.0-77950603239en_HK
dc.identifier.hkuros162733en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77950603239&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage1402en_HK
dc.identifier.epage1406en_HK
dc.identifier.scopusauthoridPang, HM=7102237503en_HK
dc.identifier.scopusauthoridPong, MHB=7003449364en_HK

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