Decentralized blocking zeros in the control of large scale systems

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buir.advisorÖzgüler, A. Bülent
dc.contributor.authorÜnyelioğlu, Konur Alp
dc.date.accessioned2016-01-08T20:19:30Z
dc.date.available2016-01-08T20:19:30Z
dc.date.issued1992
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionAnkara : The Department of Electrical and Electronics Engineering and the Institute of Engineering and Science of Bilkent Univ., 1992.en_US
dc.descriptionThesis (Ph. D.) -- Bilkent University, 1992.en_US
dc.descriptionIncludes bibliographical references.en_US
dc.description.abstractlu lliis lliesi.s, a luuiiber ot syiithe.sis problems i'or linear. ninc-invariauL, iiiiite-cliuieiiSioiial sysiems are adclres.se(l. It i.s sliown that tlie lu'w concejU of (l·.': m inili zed blocking zeros \s as fmidaineiital to controller .synthesis problems for large scale systems as the concept of decentralized fixed modes. The main problems considered are (i) decentralized stabilization problem, (ii) decentralized strong stabilization problem, and (iii) decentralized concurrent stabilization problem. 7'he dtcenIralized siabUizaiion problem is a fairly well-understood controller synthesis problem for which many synthesis methods exist. Here, we give a new .synthesis procedure via a proper stable fractional approach and focus our attention on the generic solvability and characitnzalion of all solutions. The decenlralized strong .stabilization problem is the problem of stabilizing a .systeni using stable local controllers. In this problem, the .set of decentralized blocking zeros play an essential role and it turns out that the problem has a solution in case tlie poles and the real nonnegative decentralized blocking zeros have parity interlacing property. In the more general problem of decentralized stabilization problem with minimum number of unstable controller poles, it is shown tliat this minimum number is determined by the nuiid.H-»r of odd distributions of plant poles among the real nonnegative decentralized blocking zeros. The decentralized concurrent stabilization problem is a special type of simultaneous stabilization problem using a decentralized controller. Tliis problem is of interest, since many large scale synthesis problems turn out to be its special cases. A complete solution to decentralized concurrent stabilization problem is obtained, where again the decentralized blocking zeros play a central role. Three problems that have receiviHİ wide atteiuion in tlie literature of large scale .systems: stabilization o f composite systems using locally :>tabilizing subsystem controllers, stabilization uf composite system.^ na the slabilization o f mam diagonal transfer matrices, and rcliablt decentralized siabilizaiion problem are solved by a specialization of oiir main result on decentralized concurrent stabilization problem.en_US
dc.description.degreePh.D.en_US
dc.description.statementofresponsibilityÜnyelioğlu, Konur Alpen_US
dc.format.extentix, 149 leavesen_US
dc.identifier.urihttp://hdl.handle.net/11693/18455
dc.language.isoEnglishen_US
dc.publisherBilkent Universityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectControlen_US
dc.subjectpoles and zerosen_US
dc.subjectsystemsen_US
dc.subjectlarge scaleen_US
dc.subjectdecenlralized stabilityen_US
dc.subjectmultivariable control systemsen_US
dc.subjectlinear systemsen_US
dc.subjectsystem synthesisen_US
dc.subject.lccQA402 .U59 1992en_US
dc.subject.lcshLarge scale systemsen_US
dc.subject.lcshSystem theoryen_US
dc.subject.lcshControl theoryen_US
dc.titleDecentralized blocking zeros in the control of large scale systemsen_US
dc.typeThesisen_US
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