**The invention discloses an oscillation suppression method for mode switching of a motor active response hybrid gearbox. The oscillation suppression method is suitable for mode switching under the condition that a motor of a hybrid electric vehicle is switched in. An FOC motor control strategy is improved through the active response oscillation suppressor, when a power mode switching instruction is sent out, an active response module and a torque matching module in the active response oscillation suppressor are matched with each other to finally output a reference torque T *, and FOC control is carried out on the motor according to the reference torque T *. The motor rotating speed is actively responded to the clutch driving disc rotating speed, so that the meshing process of the clutch is rapid and stable, system oscillation caused when the motor is cut in is reduced, meanwhile, after the clutch is completely meshed, the motor is rapidly converted into torque control to provide more power output for the whole vehicle, and the system reliability is improved. Therefore, the whole mode switching process is stable and controllable, and the driving and riding experience of passengers is greatly optimized.
本发明公开了一种电机主动响应混动变速箱模式切换的震荡抑制方法,适用于混合动力汽车电机切入情况下的模式切换。本发明通过主动响应震荡抑制器改进FOC电机控制策略,当发出动力模式切换指令时,主动响应震荡抑制器中的主动响应模块和转矩匹配模块相互配合最终输出一个参考转矩T*,根据参考转矩T*对电机进行FOC控制。本发明通过将电机转速主动响应至离合器主动盘转速使得离合器的啮合过程快速且平稳,从而减少电机切入时引起的系统震荡,同时,在离合器完全啮合后电机迅速转为转矩控制为整车提供更多动力输出,从而使整个模式切换过程平稳可控,大大优化了乘客的驾驶、乘坐体验。
Vibration suppression method for mode switching of motor active response hybrid gearbox
一种电机主动响应混动变速箱模式切换的震荡抑制方法
2022-08-12
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 |
Dual-motor hybrid power gearbox and hybrid power vehicle
European Patent Office | 2024
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