期刊
EUROPEAN JOURNAL OF CONTROL
卷 16, 期 4, 页码 401-406出版社
ELSEVIER
DOI: 10.3166/EJC.16.401-406
关键词
Order reduction; Port-Hamiltonian systems; Structure preserving; Moment matching
In this paper, a new structure-preserving scheme for the reduction of linear port-Hamiltonian systems with dissipation using Krylov subspaces is presented. It is shown how to choose the projection matrices in order to guarantee the moment matching property and to obtain a passive and thus stable reduced-order model in port-Hamiltonian form. The method is suitable for the reduction of largescale systems as it employs only the well-known Arnoldi algorithm and matrix-vector multiplications to compute the reduced-order model. A finite element model is reduced to illustrate the new method.
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