An active shift control method for a power-off downshift of the hybrid vehicle is provided. The method includes increasing the torque of an engagement clutch in a transmission while disengaging a disengagement clutch by reducing the torque of the disengagement clutch in the transmission, when the shift of a power-off downshift is requested. A motor speed is adjust for a transmission input shaft rotary speed to reach a predetermined target stage synchronization speed of a target stage after shifting, and the torque of the engagement clutch is maintained in a state where the disengagement clutch has been disengaged. The engagement of the engagement clutch is completed by increasing the torque of the engagement clutch when the transmission input shaft rotary speed has reached the target stage synchronization speed.
Active shift control method for power-off downshift of hybrid vehicle
2021-08-10
Patent
Electronic Resource
English
ACTIVE SHIFT CONTROL METHOD FOR POWER-OFF DOWNSHIFT OF HYBRID VEHICLE
European Patent Office | 2020
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