The invention discloses a hybrid power vehicle SOC preserved energy management method, and relates to a management method. The hybrid power vehicle SOC preserved energy management method comprises the steps of calculating demanded driving power; calculating demanded battery power; determining an engine working point; determining an electric generator working point; determining a motor working point. According to the hybrid power vehicle SOC preserved energy management method, starting by keeping the battery SOC at a higher level, energy managing and distributing are conducted to make a battery have higher power and energy margin, so that a motor can assist the engine at a larger power and longer time under the working conditions that large driving power is needed by fast acceleration and the like, and a higher dynamic performance index of a heavy vehicle is achieved; on the premise that basic requirements such as fuel economic efficiency and vehicle drive are met, the proposed control strategy realizes the function of series-parallel hybrid system energy management and expected battery SOC retentive goal.
Hybrid power vehicle SOC preserved energy management method
2015-05-06
Patent
Electronic Resource
English
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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