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混合动力汽车的运行主要由运行控制策略决定。根据降低排放和节约燃料的优化目标,运行控制策略随时确定所需的总驱动转矩和分配给发动机的驱动转矩,并使发动机尽量工作于有利的工作点。此外,运行控制策略还要控制电能的产生,以给动力蓄电池充电。本文从实际出发,从混合动力汽车控制策略、工作点优化以及发动机配置等方面,全面讨论了混合动力汽车运行控制的基本理论。
The operation of hybrid vehicles is mainly determined by the operation control strategy. According to the optimization goal of reducing emissions and saving fuel, the operation control strategy always determines the total required driving torque and the driving torque allocated to the engine, and makes the engine work at a favorable working point as much as possible. In addition, the operational control strategy also controls the generation of electrical energy to charge the power battery. Based on the actual situation, this paper discusses the basic theory of hybrid vehicle operation control from the perspectives of hybrid vehicle control strategy, working point optimization and engine configuration.