Attack detection design for dc microgrid using eigenvalue assignment approach

DC microgrids (MGs) are complex systems connecting a number of renewable energy sources to different types loads based on distributed networks. However, the strong reliance communication networks makes MGs vulnerable intentional cyber-attacks. In this paper, attack detection scheme is presented for MG system by proposing an observer. The proposed detector able detect attacks with only local knowledge overall microgrid system. By eigenvalue assignment method, designed residual decoupled from both load and neighbor voltage changes. Furthermore, optimization problem provided increase detectability method easy design less computation complexity. performances validated numerical simulations experiments.