为满足混合动力客车驱动电源能量密度和功率密度的双重要求，分析超级电容对整车动力性能的影响，提出了复合电源供能系统．基于整车动力性设计指标要求，对复合电源参数进行匹配，建立了基于Simulink的动力电池、超级电容及控制策略的模型，并将其嵌入基于Cruise的整车模型中进行仿真，最后进行样车试验验证．仿真和试验结果表明：复合电源使整车动力性和经济性得到了提升，最大爬坡度增加了10．2％，0～50km／h加速时间减少了4．31s，节油率达到13．7％．%In order to meet the dual demands of hybrid vehicle's driving density both inenergy and pow‐er ,and to analyze the effect of the super capacitor on the dynamic performance of the vehicle ,a composite power supply system was presented based on the vehicle power performance and the matching parameters were designed .Meanwhile ,amathematics model about battery ,super capacitor and control strategy on the basis of Simulink was also built and embed into the Cruise to be simulated .Sample vehicle verifies the cor‐rectness of simulation results :Maximum climb gradient rises 10 .2% ;Acceleration time from 0~50 km/h reduces 4 .31 s .;Gasoline saving rate reaches 13 .7% .
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