Sampled-Data Modeling and Analysis of Closed-Loop PWM DC-DC Converters

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dc.contributor.advisorAbed, Eyad H.en_US
dc.contributor.authorFang, Chung-Chiehen_US
dc.contributor.authorAbed, Eyad H.en_US
dc.contributor.departmentISRen_US
dc.date.accessioned2007-05-23T10:07:05Z
dc.date.available2007-05-23T10:07:05Z
dc.date.issued1999en_US
dc.description.abstractSampled-data analysis of converters has been a topic of investigationfor the past two decades. However, this powerful tool is not widelyused in control loop design or in closed-loop performance validation.Instead, averaged models are typically used for control loopdesign, while detailed simulations are used for validatingclosed-loop performance. This paper makes several contributions tothe sampled-data modeling and analysis of closed-loop PWM DC-DC converters,with the aim of increasing appreciation and use of the method. <p>General models are presented in a unified and simple manner, while removingsimplifying approximations present in previous work. These models applyboth for current mode control and voltage mode control.The general models are nonlinear. They are used toobtain {it analytical} linearized models, which are in turn employedto obtain local stability results. <p>Detailed examplesillustrate the modeling and analysis in the paper,and point to situations in which the sampled-data approachgives results superior to alternate methods.For instance, it is shownthat the sampled-data approach will reliablypredict the (local) stability of aconverter for which averaging or simulation predicts instability.en_US
dc.format.extent444960 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/1903/6014
dc.language.isoen_USen_US
dc.relation.ispartofseriesISR; TR 1999-24en_US
dc.subjectlinear systemsen_US
dc.subjectnonlinear systemsen_US
dc.subjectpower systemsen_US
dc.subjectPWM DC-DC converteren_US
dc.subjectpower electronicsen_US
dc.subjectmodelingen_US
dc.subjectsampled-data dynamics,en_US
dc.titleSampled-Data Modeling and Analysis of Closed-Loop PWM DC-DC Convertersen_US
dc.typeTechnical Reporten_US

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