Abstract: This paper based on a hybrid electric vehicle as the research object, it designs the power transmission scheme, the parameters of motor and internal combustion engine are calculated in this paper, the dynamic performance and energy recovery are studied in this paper, this paper carries on the simulation analysis of city-suburb conditions, the simulation results show that the design of the hybrid electric vehicle can meet the requirements of driving power performance, In this study, the backup power of internal combustion engine is significantly reduced, the fuel economy is significantly improved, the energy recovery of braking and backup power of internal combustion engine is excellent, and the energy utilization rate is excellent, this paper provides a research idea for the research of hybrid electric vehicle in this aspect.

Key words: Hybrid electric vehicle; Power system; Energy recovery; The simulation analysis

摘要： 文章以一种混合动力汽车为研究对象，进行动力传动方案设计，对电动机、内燃机进 行参数计算，对动力性和能量回收进行分析研究，并进行城市-郊区工况的仿真分析。仿真结 果表明，文章设计的混合动力汽车，满足行驶动力性的要求下，大幅减小内燃机后备功率， 燃油经济性明显提高，同时进行制动与内燃机后备功率的能量回收，能量利用率优异，为混 合动力汽车此方面的研究提供一种研究思路。

关键词: 混合动力汽车；动力系统；能量回收；仿真分析