The Fuzzy-PI Equalization Control with an Adaptive Fuzzy Coordinator Based on the Energy-bus Equalization Network

Abstract

Based on energy-bus equalization network, a double closed loop Fuzzy-PI controller with an adaptive fuzzy coordinator is designed in this paper. The energy in the network can be transferred from one to others through the energy bus. Based on the equalization network analysis, a SOC fuzzy logic controller and a voltage fuzzy logic controller are designed in the outer loop. The adaptive fuzzy coordinator selects one controller as the dominant part outputting the expected current. PI controller directly control the equalization current in the inner loop. The coordinator indirectly combines voltage with SOC and automatically tends to the better one. The proposed control method and the coordinator are verified by simulations and experiments