摘要
针对燃料电池/动力蓄电池混合动力系统,基于庞特里亚金极小值原理(PMP),以燃料电池的输出功率为控制变量,蓄电池的荷电状态(SOC)为状态变量,燃料电池氢气消耗量为性能指标,制定了燃料电池汽车能量管理策略。能量管理策略结合恒温器控制思想,通过调节协态变量来维持蓄电池SOC,在UDDS工况下与基于规则的"恒温器"能量管理策略相比经济性提高了6.38%。
For fuel cell/battery electric hybrid system, based on the Pontryagin＇s minimum principle, taking the output power of the fuel cell engine as the control variable, the state of charge （SOC） of the battery as the state variable and the hydrogen consumption as the performance index, an energy management strategy （EMS） for fuel cell vehicle is developed. The proposed EMS combines the concept of ＂thermostat＂ control method, by adjusting the co-state variable to maintain the battery SOC in certain range. In driving cycle UDDS, the hydrogen consumption of the proposed EMS is 6.38% less than the rule-based ＂thermostat＂ control strategy.
出处
《机电一体化》
2017年第12期7-12,共6页
Mechatronics
