同轴并联式混合动力客车动力系统仿真研究

Powertrain Simulation Research of Single-shaft Parallel Hybrid Electric Vehicle

为了优化混合动力客车的燃油经济性,达到提高行驶性能的目的,文章设计了一种基于逻辑门转矩分配的控制策略,分析了驱动转矩分配规则和制动转矩分配规则,设计了适用于同轴并联式混合动力客车的控制策略,通过仿真验证了所建模型的正确性以及控制策略的有效性。

In order to optimize the fuel economy of hybrid bus,and to improve the driving performance,a control strategy based on logic gate torque distribution is designed in this paper.A power system model including vehicle model,engine model,motor model,generator model,battery model and clutch model is established,on this basis,the driving torque distribution rule and the braking torque distribution rule are analyzed in detail.A control strategy for a coaxial parallel hybrid electric bus is designed.The correctness of the model and the effectiveness of the control strategy are verified by simulation.Finally,the simulation is carried out based on the working conditions,and the simulation results are in line with expectations.It verifies the validity of the model under the transient working mode,and has certain significance to the development of control strategy in the design process of hybrid electric vehicle.