Shanghai Jiaotong Daxue xuebao (Oct 2021)

Energy Management of Parallel Ship Power System Based on Improved Fuzzy Logic Control

  • WANG Ruichang, CHEN Zhihua, MING Xinguo

DOI
https://doi.org/10.16183/j.cnki.jsjtu.2020.043
Journal volume & issue
Vol. 55, no. 10
pp. 1188 – 1196

Abstract

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In order to alleviate the environmental pollution caused by ship transportation, an energy management strategy of parallel ship power system based on improved fuzzy logic control is proposed for the parallel hybrid power system with diesel engines as the main propulsion device. Based on the fuzzy logic control strategy, the error between required power and output power is used as a modification item and the sum of modification item, and demand power is taken as the input of the fuzzy logic control. By changing the fuzzy rules of excitation, the output power of the diesel engine and the output power of the battery pack are redistributed, so that the error between the total output power and the actual demand power is reduced. Energy management decisions can be made easily and quickly under different conditions by using this method which provides a new solution for energy management of high-power ship power systems.

Keywords