4.1 Article

Iterative Greedy LMI for Sparse Control

期刊

IEEE CONTROL SYSTEMS LETTERS
卷 6, 期 -, 页码 986-991

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCSYS.2021.3087964

关键词

Optimization; Sparse matrices; Projection algorithms; Linear matrix inequalities; Finite impulse response filters; Eigenvalues and eigenfunctions; Power system dynamics; Greedy algorithms; linear matrix inequalities; sparse control; network theory

资金

  1. JSPS KAKENHI [JP20H02172, JP20K21008, JP19H02301, JP18K13777, 21H01352, JP19H02161]
  2. JST CREST [JPMJCR2012]
  3. Grants-in-Aid for Scientific Research [21H01352] Funding Source: KAKEN

向作者/读者索取更多资源

In this letter, a novel method is proposed to find matrices that satisfy both sparsity and LMI constraints at the same time. The method is applied in sparse control design and an efficient algorithm based on Dykstra's projection algorithm is introduced. A convergence theorem of the proposed algorithm is proven and some control examples are presented to illustrate the merits and demerits of the method.
In this letter, we propose a novel method to find matrices that satisfy sparsity and LMI (linear matrix inequality) constraints at the same time. This problem appears in sparse control design such as sparse representation of the state feedback gain, sparse graph representation with fastest mixing, and sparse FIR (finite impulse response) filter design, to name a few. We propose an efficient algorithm for the solution based on Dykstra's projection algorithm. We then prove a convergence theorem of the proposed algorithm, and show some control examples to illustrate merits and demerits of the proposed method.

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