The invention discloses a series-parallel hybrid electric vehicle mode switching control system and method, and belongs to the field of automobile dynamic control, and the mode switching control system adopted by the method comprises a mode switching identification module, a clutch torque observation module, a torque control distribution module and a self-adaptive adjustment module. The mode switching identification module judges whether to switch from a pure electric mode to a hybrid mode; the clutch torque observation module observes the transmission torque during sliding friction of the clutch in real time; the torque control distribution module performs torque control distribution based on the layered architecture; according to the method, the mode switching phenomenon of the series-parallel hybrid electric vehicle facing different acceleration working conditions is carried out, torque coordination is carried out according to the different acceleration working conditions, and the requirements of the different acceleration working conditions for smoothness are met.
本发明公开了一种混联式混合动力汽车模式切换控制系统与控制方法,属于汽车动态控制领域,该方法所采用的模式切换控制系统包括模式切换识别模块、离合器转矩观测模块、转矩控制分配模块以及自适应调节模块。模式切换识别模块判断是否进行纯电模式至混动模式的切换;离合器转矩观测模块实时观测离合器滑摩时传递转矩;转矩控制分配模块基于分层架构进行转矩控制分配;自适应调节模块根据加速工况调节PI控制器比例、积分增益,本发明针对混联式混合动力汽车面对不同加速工况进行模式切换现象,根据不同加速工况进行转矩协调,满足不同加速工况对平顺性的要求。
Series-parallel hybrid electric vehicle mode switching system and control method
一种混联式混合动力汽车模式切换系统与控制方法
2024-02-06
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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