Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1354
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dc.contributorDepartment of Electrical Engineering-
dc.creatorLeung, FHF-
dc.creatorTam, PKS-
dc.creatorLi, CK-
dc.date.accessioned2014-12-11T08:28:07Z-
dc.date.available2014-12-11T08:28:07Z-
dc.identifier.issn0278-0046-
dc.identifier.urihttp://hdl.handle.net/10397/1354-
dc.language.isoenen_US
dc.publisherInstitute of Electrical and Electronics Engineersen_US
dc.rights© 1993 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_US
dc.rightsThis material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.en_US
dc.subjectElectric convertersen_US
dc.subjectError analysisen_US
dc.subjectState estimationen_US
dc.subjectSwitching systemsen_US
dc.titleAn improved LQR-based controller for switching dc-dc convertersen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: C. K. Lien_US
dc.identifier.spage521-
dc.identifier.epage528-
dc.identifier.volume40-
dc.identifier.issue5-
dc.identifier.doi10.1109/41.238013-
dcterms.abstractIn a previous paper, an account had been given to the various aspects for the control of PWM-type switching dc-dc converters, and an LQR-based digital combined observer controller had been proposed. This paper reports the progress on further research in this topic. It is found that the design of the state estimator (observer) according to the previous paper will lead to a steady-state error in the output voltage in comparison with the reference value and there are difficulties in designing state estimators for converters with uncertain parameters. This paper presents an improved design so that the drawbacks mentioned above can be overcome. By applying the theory of state-variable feedback, a general approach for controlling PWM-type switching dc-dc converters with or without 'unstable' zeros, and capable of achieving good regulation and rejection to modest disturbances, will be presented. An application example based on a published Ćuk converter will also be given.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationIEEE transactions on industrial electronics, Oct. 1993, v. 40, no. 5, p. 521-528-
dcterms.isPartOfIEEE transactions on industrial electronics-
dcterms.issued1993-10-
dc.identifier.isiWOS:A1993LZ62100007-
dc.identifier.scopus2-s2.0-0027677376-
dc.identifier.eissn1557-9948-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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