Design and Optimization of Marine Diesel-electric Hybrid Power System for Yangtze River Ships Based on Energy Management
Taking a Yangtze River bulk carrier as the research object,starting from the optimization and de-sign of diesel-electric hybrid power system,based on fuzzy identification and optimal control theory,the ener-gy management system of diesel-electric hybrid power ship was constructed by formulating operation mode discrimination method and power distribution optimization control strategy.Combined with the segment divi-sion of the Yangtze River under complex working conditions,aiming at improving the economy and greenness of the ship,the design scheme evaluation and sectional speed optimization of diesel-electric hybrid power sys-tem based on energy management were carried out.Under the condition of minimum fuel consumption and carbon emissions in the round-trip voyage,the optimal design scheme of diesel-electric system and the optimal economic speed of each leg were obtained,and the comprehensive utilization of diesel-electric power energy was realized economically and efficiently.
marine propulsiondiesel-electric hybrid power systempattern recognitionenergy man-agement
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