Research on LC filter Cascaded with Buck Converter Supplying Constant Power Load Based on IDA-Passivity-Based Control

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TitreResearch on LC filter Cascaded with Buck Converter Supplying Constant Power Load Based on IDA-Passivity-Based Control
Type de publicationConference Paper
Year of Publication2018
AuteursPang S, Nahid-Mobarakeh B, Pierfederici S, Huangfu Y, Luo G, Gao F
Conference NameIECON 2018 - 44TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY
PublisherIEEE Ind Elect Soc; Inst Elect & Elect Engineers
Conference Location345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN Number978-1-5090-6684-1
Mots-clésbuck converter, Cascaded system, constant power load (CPL), DC-DC converter, Interconnection and Damping Assignment (IDA), LC input filter, passivity-based control (PBC), port-controlled Hamiltonian system (PCHS)
Résumé

Nowadays distribution power systems are used in different applications such as aircraft, ships, submarines and hybrid electric vehicles. However, the interaction between individually designed power subsystems may cause instability. Moreover, in these applications, the constant power load (CPL) also poses challenges for system dynamic response and stability. Thus, the main objective is to stabilize the cascaded system supplying the CPL. An interconnection and damping assignment (IDA) passivity-based control (PBC) scheme for LC filter cascaded with buck converter supplying CPL is proposed. The plant is described by port-controlled Hamiltonian (PCH) form. Particularly, an adaptive interconnection matrix is developed to achieve internal links in PCH system. A modified IDA-PBC and its proof are presented to perfect the implementation for the CPL application. Simulation results are given to illustrate the effectiveness of the proposed approach.