Sampled-data H∞ control design for a class of PWM systems
2005 (English)In: Proceedings of the 44th IEEE Conference on Decision and Control, and the European Control Conference, CDC-ECC '05, 2005, 4499-4504 p.Conference paper (Refereed)
Robust control of a class of switched dynamical systems is considered. The switching is controlled by pulse-width modulation (PWM). This idea is used, for example, in power electronics for power conversion. The class of systems considered includes digitally controlled power converters of many different types. The traditional approach to control design for power converters rely on an averaged model that ignores the high frequency behavior and the inherent time delay due to sampling. In contrast, the method presented here is based on a sampled-data model which takes the switched nature of the system into account. The sampled-data model is approximated by a linear quadratic model to which sampled-data H∞ theory can be extended. The approach is applied to a bidirectional boost converter which is subjected to a large load disturbance.
Place, publisher, year, edition, pages
2005. 4499-4504 p.
, IEEE CONFERENCE ON DECISION AND CONTROL - PROCEEDINGS, ISSN 0191-2216 ; 2005
Analog to digital conversion, Frequency response, Mathematical models, Power electronics, Sampled data control systems, Control design, Linear quadratic model, Pulse-width modulation (PWM), Product development
IdentifiersURN: urn:nbn:se:kth:diva-156280DOI: 10.1109/CDC.2005.1582871ISI: 000240653704057ScopusID: 2-s2.0-33847178339ISBN: 0780395689ISBN: 9780780395688ISBN: 0-7803-9567-0OAI: oai:DiVA.org:kth-156280DiVA: diva2:767502
44th IEEE Conference on Decision and Control, and the European Control Conference, CDC-ECC '05, 12 December 2005 through 15 December 2005, Seville, Spain
QC 201412012014-12-012014-11-262014-12-01Bibliographically approved