The invention provides a vehicle part working condition construction method based on a real-time optimal energy management strategy, and the method comprises the following steps: S1, building a wholevehicle simulation model according to vehicle model parameters; S2, establishing a fuel equivalent consumption minimum control strategy, calculating an optimal value of the fuel equivalent consumptionminimum control strategy, optimizing the fuel equivalent consumption minimum control strategy according to the optimal value, and inputting the optimized fuel equivalent consumption minimum control strategy into the vehicle simulation model; S3, inputting the standard complete vehicle test condition into the complete vehicle simulation model for simulation to obtain a vehicle part condition; andS4, according to the working condition of the vehicle part, obtaining the steady-state working condition and the transient-state working condition of the vehicle part. The vehicle part working condition is constructed based on the whole vehicle simulation model, a whole vehicle does not need to be manufactured, the consumption cost is low, and the optimal control scheme with the minimum energy consumption of the vehicle in practical application can be obtained through the real-time fuel equivalent consumption minimum control strategy.
本发明提供基于实时最优能量管理策略的车辆部件工况构建方法,包括以下步骤:S1、根据车型参数,创建整车仿真模型;S2、建立燃油等效消耗最小控制策略并计算燃油等效消耗最小控制策略的最优值,根据最优值对燃油等效消耗最小控制策略进行优化,将优化后的燃油等效消耗最小控制策略输入到整车仿真模型中;S3、将标准整车测试工况输入到整车仿真模型中进行仿真,得到车辆部件工况;S4、根据车辆部件工况,得到车辆部件的稳态工况及瞬态工况。本发明的车辆部件工况基于整车仿真模型构建,不需要制造整车,消耗成本低,且本发明的实时燃油等效消耗最小控制策略能够得到车辆在实际应用上能耗最小的最优控制方案。
Vehicle part working condition construction method based on real-time optimal energy management strategy
基于实时最优能量管理策略的车辆部件工况构建方法
2021-01-26
Patent
Electronic Resource
Chinese
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