Research on Energy Management Strategy of High Power Fuel Cell Heavy Truck
In order to solve the problem that there is no mature energy management strategy for the high-power fuel cell heavy truck hybrid power system,the control strategy of high power fuel cell protection priority in energy management strategy is pro-posed.According to the strategy,considering the dynamic working condition characteristics of the heavy truck and the working characteristics of the power system,on the premise of achieving the optimal working state of fuel cell and with the goal of improv-ing the economy of the heavy truck and the durability of the fuel cell,to establish a hybrid fuzzy energy management strategy.And then,on this basis,the weighted average filtering algorithm and variable load rate limiting method for fuel cells were used to propose WAFA composite fuzzy control energy management strategy in order to reduce the frequency of fuel cell degradation working conditions.The simulation results show that,under the complex working conditions of heavy trucks,the WAFA hybrid fuzzy control energy management strategy is superior to the power-following strategy in terms of vehicle economy and fuel cell du-rability.The average working efficiency of fuel cell increase by 6.46%,the equivalent hydrogen consumption per 100km reduce by 4.64%,and the working conditions that cause the life decay of fuel cell are significantly reduced.This research provides a ref-erence for the research of energy management strategies for high-power fuel cell heavy truck.
Fuel Cell Heavy TruckDurability of Fuel CellHybrid Fuzzy ControlEnergy Management StrategyWeighted Average Filtering Algorithm
NETL
NSTL
万方数据
维普
