The invention relates to the technical field of braking energy feedback, in particular to a regenerative braking energy feedback optimization method based on multi-energy conversion, and the method comprises the steps: collecting an initialization parameter, collecting the change of a motion state parameter in a time sequence, and constructing a vehicle power model; collecting changes of the motor state parameters, the battery state parameters and the capacitor state parameters in a time sequence, and constructing a motor power model, a battery model and a capacitor model; an energy distribution strategy and an energy recovery efficiency objective function are constructed, and the battery charging power, the capacitor charging power, the battery current, the capacitor current, the battery charge state and the capacitor voltage are constrained according to limiting conditions; and updating the battery state parameters and the capacitor state parameters in real time. And the actual working condition and the state of the energy storage device are dynamically adjusted, so that energy recovery and utilization are more sufficient.
本发明涉及制动能量回馈技术领域,尤其涉及基于多能转换的再生制动能量回馈优化方法,方法包括:采集初始化参数,同时采集运动状态参数在时间序列上的变化,构建车辆动力模型;采集电机状态参数、电池状态参数和电容状态参数在时间序列上的变化,构建电机功率模型、电池模型和电容模型;构建能量分配策略和能量回收效率目标函数,并依照限制条件对电池充电功率、电容充电功率、电池电流、电容电流、电池荷电状态及电容电压进行约束;对电池状态参数和电容状态参数进行实时更新。对实际工况和储能装置的状态进行动态调整,导致能量回收和利用更为充分。
Regenerative braking energy feedback optimization method based on multi-energy conversion
基于多能转换的再生制动能量回馈优化方法
2025-02-07
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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