The invention discloses an energy management method and device for a parallel hybrid power vehicle. The method comprises the steps that an initial vehicle state signal is obtained; constructing a vehicle kinetic equation; according to the vehicle kinetic equation, a parallel hybrid power vehicle structure model is constructed; constructing a battery thermal model and a battery life model according to the parallel hybrid power vehicle structure model; constructing a parameter-free return function according to the battery thermal model and the battery life model; generating a reinforcement learning space state and a reinforcement learning control action according to the parameter-free return function; constructing a target double-delay depth deterministic strategy gradient network; constructing a vehicle energy management learning strategy; according to the initial vehicle state signal, target engine equivalent torque is determined through a vehicle energy management learning strategy, and the target engine equivalent torque is used for controlling operation of an engine. Energy management of the parallel hybrid power vehicle is achieved, and accuracy, applicability and efficiency are improved. The method can be widely applied to the technical field of vehicle engineering.
本发明公开了一种并联混合动力车辆能量管理方法和装置,方法包括:获取初始车辆状态信号;构建车辆动力学方程;根据车辆动力学方程,构建并联混合动力车辆结构模型;根据并联混合动力车辆结构模型,构建电池热模型和电池寿命模型;根据电池热模型和电池寿命模型,构建无参数回报函数;根据无参数回报函数,生成强化学习空间状态和强化学习控制动作;构建目标双延迟深度确定性策略梯度网络;构建车辆能量管理学习策略;根据初始车辆状态信号,利用车辆能量管理学习策略确定目标发动机等效转矩,目标发动机等效转矩用于控制发动机运行。本发明实现了并联混合动力车辆能量管理,提高了准确度、适用性和效率。本发明可广泛应用于车辆工程技术领域。
Parallel hybrid power vehicle energy management method and device
一种并联混合动力车辆能量管理方法和装置
2025-04-25
Patent
Electronic Resource
Chinese
IPC: | G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / 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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