Uncertain Interval Systems with Application to Separately Excited DC Motor and DC-DC Converters

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dc.contributor.advisorCheok, Ka C
dc.contributor.authorKintali, Narendra
dc.contributor.otherCesmelioglu, Aycil
dc.contributor.otherLlamocca, Daniel
dc.contributor.otherSangeorzan, Brian P
dc.date.accessioned2024-10-11T18:08:01Z
dc.date.available2024-10-11T18:08:01Z
dc.date.issued2024-01-01
dc.description.abstractElectric drive systems in automobiles, aircraft, and maritime crafts havesignificantly advanced due to changes in hardware and software applications. Drive systems consisting of multidisciplinary subsystems often post non-trivial control problems that must be overcome. For example, redundant input systems related to a separately excited DC motor (SEDCM) or highly varying gains related to DC-DC converters. This thesis introduces a novel approach utilizing an optimization scheme to transform the redundant input process into an uncertain interval system. An armature voltage minimization scheme was developed for the SEDCM to address these redundancies and uncertainties. The comprehensive analysis and feedback control design for an uncertain interval optimal redundant input system is a significant departure from traditional methods, such as Root Locus. The Kharitonov stability criterion is used to analyze the interval systems and determine the parameter boundaries for the controller gains. At the same time, the Root-Locus method is employed to visualize the stable regions of the controller parameters. Next, the Lyapunov stability criterion-based adaptive controller is designed to guarantee stability and tracking for the optimal redundant input systems. For illustration, a PI-controlled separately excited DC motor (SEDCM) will be used. The proposed uncertain interval technique is extended to analyze and design a robust PI controller for DC-DC power electronic converters. The results unify the control design for the buck, boost, and buck-boost converters.
dc.identifier.urihttps://hdl.handle.net/10323/18326
dc.relation.departmentElectrical and Computer Engineering
dc.subjectAdaptive controller
dc.subjectDC Motors
dc.subjectDC-DC converters
dc.subjectInterval systems
dc.subjectRobust controller
dc.titleUncertain Interval Systems with Application to Separately Excited DC Motor and DC-DC Converters

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