期刊
IEEE TRANSACTIONS ON AUTOMATIC CONTROL
卷 52, 期 8, 页码 1508-1513出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAC.2007.902766
关键词
H-2-norm; networked control system (NCS); optimal filtering; packet dropout; stochastic systems
This note studies the problem of optimal H-2 filtering in networked control systems (NCSs) with multiple packet dropout. A new formulation is employed to model the multiple packet dropout case, where the random dropout rate is transformed into a stochastic parameter in the system's representation. By generalization of the H-2-norm definition, new relations for the stochastic H-2-norm of a linear discrete-time stochastic parameter system represented in the state-space form are derived. The stochastic H-2-norm of the estimation error is used as a criterion for filter design in the NCS framework. A set of linear matrix inequalities (LMIs) is given to solve the corresponding filter design problem. A simulation example supports the theory.
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