The invention provides an energy management method for a double/multi-auxiliary power unit series hybrid power system. The energy management method comprises the steps of power distribution between each set of auxiliary power unit APU and each set of power battery, power distribution in each set of auxiliary power unit and determination of the power distribution mode. For a given total power demand Pdemand, the sum PAPU of the output power of each APU is determined so as to realize power distribution between each set of auxiliary power unit and each set of power battery; and for any value of the sum PAPU of the output power of each APU, the corresponding target output power PAPU, i of each APU and the engine operating point under the power are determined so as to control the engine and thegenerator of the APU.
本发明提供一种针对所述双/多辅助动力单元串联混合动力系统的能量管理方法,包括各套辅助动力单元APU和各套动力电池之间的功率分配以及各套辅助动力单元内部的功率分配及上述功率分配方式的确定步骤。对于给定的总功率需求P,确定各APU的输出功率之和P以实现各套辅助动力单元和各套动力电池之间的功率分配,并对于各APU的输出功率之和P的任意值,确定相应地各APU目标输出功率P,及在此功率下的发动机工况点,以便控制APU的发动机和发电机。
Energy management method of series hybrid power system
一种串联混合动力系统的能量管理方法
2020-06-02
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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