The invention provides an energy management method, device and equipment and a storage medium, and the method comprises the steps: determining the total torque demand of a gearbox according to the vehicle speed corresponding to the current moment in a vehicle driving road spectrum, and estimating different engine torques meeting the total torque; determining the fuel consumption of each engine corresponding to different engine torques under different gears by using the value function; according to the engine oil consumption corresponding to each engine torque, the current co-state variable and the current state of the battery, calculating each static cost corresponding to different engine torques under different gears; real-time gear selection and energy distribution are carried out according to the static cost and the preset switching cost; the optimal calculation of the initial gear can be stripped from the value function, a single optimization problem of the value function is formed, the calculation efficiency of the value function is improved, and global optimization of energy is realized.
本申请提供了一种能量管理方法、装置、设备及存储介质,方法包括:根据车辆行驶路谱中当前时刻对应的车辆速度,确定变速箱的总扭矩需求,预估满足总扭矩的不同发动机扭矩;利用价值函数确定在不同档位下采用不同发动机扭矩分别对应的各个发动机油耗;根据各个发动扭矩对应的发动机油耗及当前协态变量、电池当前状态,计算在不同档位下采用不同发动机扭矩分别对应的各个静态成本;并根据静态成本和预设切换成本进行实时档位选择和能量分配;可以将初始档位的最优计算从价值函数中剥离,形成价值函数的单一优化问题,提升价值函数计算效率,并实现能量的全局优化。
Energy management method and device, equipment and storage medium
一种能量管理方法、装置、设备及存储介质
2023-09-12
Patent
Electronic Resource
Chinese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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