Optimal Switching Lyapunov-based control of a boost DC-DC converter

Papadopoulou, Simira/ Voutetakis, Spyros/ Ziogou, Chrysovalantou/ Stergiopoulos, Fotis/ Giaouris, Damian/ Yfoulis, Christos/ Βουτετάκης, Σπύρος/ Παπαδοπούλου, Σημίρα/ Ζιώγου, Xρυσοβαλάντου/ Στεργιόπουλος, Φώτης/ Γκιαούρης, Δαμιανός/ Υφούλης, Χρήστος


Institution and School/Department of submitter: ΤΕΙ Θεσσαλονίκης
Issue Date: 15-Jul-2015
Citation: Mediterranean Conference on Control and Automation, Torremolinos, 2015
Abstract: new methodology for designing robust and efficient state-feedback control laws for a switched-mode boost DCDC power converter has been recently proposed. This approach has adopted the so-called stabilizing or Lyapunov-based control paradigm which is well-known in the area of energy-based control of DC-DC converters, whereby the control law takes a state feedback form parameterized by a positive scalar. Extension to state-dependent switching state-feedback control laws has been proposed, where the switching surfaces are parameterized by a number of positive scalars i. In this paper this methodology is revisited by considering the problem of designing optimal switching statefeedback control laws, i.e. finding the optimal control parameters i corresponding to the optimal position of the switching surfaces. This permits minimization of the number of switchings required for achieving an optimal performance and hence reduced complexity of the control law. Systematic derivation of gradient information to apply gradient-descent algorithms is provided. The proposed technique is numerically evaluated using the exact switched model of the converter.
Description: Δημοσιεύσεις μελών--ΣΤΕΦ--Τμήμα Αυτοματισμού, 2015
URI: http://195.251.240.227/jspui/handle/123456789/10006
Item type: other
Submission Date: 2018-02-28T16:11:12Z
Item language: el
Item access scheme: free
Institution and School/Department of submitter: ΤΕΙ Θεσσαλονίκης
Appears in Collections:Δημοσιεύσεις σε Περιοδικά

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