A Novel Adaptive Stabilization Strategy for Autonomous DC Microgrids

In order to solve "over conservatism" and "limited stability margin" brought by the existing robust control strategies, this paper proposes a novel adaptive controller. By employing a finite-time feedforward decoupling procedure, variations of the internal parameters and external disturbances can be timely estimated and then compensated by the feedforward decoupling loops. In reference to existing related resolutions, a adaption measurement is introduced. By doing so, the system can online update the control gain according to operation conditions of DC microgrid system. Simulation results conducted in Matlab/Simulink verify the efficiency of the proposed control strategy.