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dc.contributor.authorKöroğlu, Hakanen_US
dc.contributor.authorMorgül, Ömeren_US
dc.coverage.spatialSydney, NSW, Australiaen_US
dc.date.accessioned2016-02-08T11:58:23Z
dc.date.available2016-02-08T11:58:23Z
dc.date.issued2000en_US
dc.identifier.issn0191-2216en_US
dc.identifier.urihttp://hdl.handle.net/11693/27631en_US
dc.descriptionDate of Conference: 12-15 December 2000en_US
dc.descriptionConference Name: 39th IEEE Conference on Decision and Control, IEEE 2000en_US
dc.description.abstractLinear Quadratic (LQ) controller design is considered for continuous-time systems with harmonic signals of known frequencies and it is shown that the design is reducible to an interpolation problem. All LQ optimal loops are parametrized by a particular solution of this interpolation problem and a (free) stable/proper transfer function. The appropriate choice of this free parameter for optimal stability robustness is formulated as a multiobjective design problem and reduced to a Nevanlinna-Pick interpolation problem with some interpolation points on the boundary of the stability domain. Using a related result from the literature, it is finally shown that, if there is sufficient penalization on the power of the control input, the level of optimum stability robustness achievable with LQ optimal controllers is the same as the level of optimum stability robustness achievable by arbitrary stabilizing controllers.en_US
dc.language.isoEnglishen_US
dc.source.titleProceedings of the 39th IEEE Conference on Decision and Control, IEEE 2000en_US
dc.relation.isversionofhttps://www.doi.org/10.1109/CDC.2000.912289en_US
dc.subjectControl designen_US
dc.subjectH∞ controlen_US
dc.subjectHarmonic signalsen_US
dc.subjectLQ controlen_US
dc.subjectControl system synthesisen_US
dc.subjectOptimal control systemsen_US
dc.subjectRobustness (control systems)en_US
dc.subjectSystem stabilityen_US
dc.subjectTransfer functionsen_US
dc.subjectLinear quadratic controlen_US
dc.subjectLinear time invariant systemsen_US
dc.subjectLinear control systemsen_US
dc.titleRobust LQ control for harmonic reference/disturbance signalsen_US
dc.typeConference Paperen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.citation.spage3727en_US
dc.citation.epage3732en_US
dc.identifier.doi10.1109/CDC.2000.912289en_US
dc.publisherIEEEen_US


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