Instabilities in digitally controlled voltage-mode synchronous buck converter

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/16474

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica
dc.contributor	Universitat Politècnica de Catalunya. EPIC - Energy Processing and Integrated Circuits
dc.contributor.author	Dongsheng, Yu
dc.contributor.author	Herbert, H. C. Iu
dc.contributor.author	Hao, Chen
dc.contributor.author	Rodriguez, E.
dc.contributor.author	Alarcón Cot, Eduardo José
dc.contributor.author	El Aroudi, Abdelali
dc.date	2012
dc.identifier.citation	Dongsheng, Y. [et al.]. Instabilities in digitally controlled voltage-mode synchronous buck converter. "International journal of bifurcation and chaos", 2012, vol. 22, núm. 1, p. 1-12.
dc.identifier.citation	0218-1274
dc.identifier.citation	10.1142/S0218127412500125
dc.identifier.uri	http://hdl.handle.net/2117/16474
dc.language.iso	eng
dc.relation	http://www.worldscinet.com/ijbc/22/2201/S0218127412500125.html
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria electrònica
dc.subject	Bifurcation theory
dc.subject	Buck converter
dc.subject	Digital control
dc.subject	Instability
dc.subject	Limit cycle
dc.subject	Bifurcació, Teoria de la
dc.title	Instabilities in digitally controlled voltage-mode synchronous buck converter
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	In this paper, instabilities and bifurcation behavior in a DC–DC digitally controlled voltagemode synchronous buck converter (SBC) are studied. The bifurcation diagram of the system under a proportional-integral (PI) compensation is presented. Following the system mathematical description in the continuous time domain, the z-domain pulse transfer function is derived in terms of system parameters. The stability range of the design parameter is obtained in closed form by using the Jury test combined with the describing function (DF) method. Experimental measurements from a laboratory prototype are used to validate the theoretical predictions and the numerical simulations.
dc.description.abstract	Peer Reviewed

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