增程式混合动力汽车高速运行经济性研究

Research on High-speed Operation Economy of Extended-range Hybrid Vehicles

为了评估增程式混合动力汽车在高速工况下的燃油经济性,本文建立某MPV的整车动力学模型和关键零部件模型,并提出相应的能量管理策略。试验结果表明,基于所提能量直驱策略的增程式混合动力汽车的高速燃油经济性显著提升,解决了增程式混合动力高速燃油经济性劣于燃油车的行业难题。

To evaluate the fuel economy of range-extended hybrid vehicles under high-speed conditions,this paper establishes the vehicle dynamics model and key components models of an MPV and proposes the corresponding energy management strategy.The results show that the fuel economy of range-extended hy-brid vehicles utilizing the proposed energy management strategy under high-speed conditions is significantly improved.This research solves the industry problem of inferior fuel economy in range-extended hybrids compared to conventional fuel vehicles at high speed.