Patent ID: 11964662
Assignee: VOLVO TRUCK CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A method for allocating power between electric machines in a powertrain of an electric vehicle, wherein the electric vehicle comprises a gearbox having an input shaft and an output shaft configured to transmit a first torque to wheels of the vehicle, a first electric machine having an output shaft coupled to the input shaft of the gearbox, and a second electric machine configured to supply a second torque to the wheels of the vehicle, the method comprising: prior to a gear change of the gearbox, allocating power from a power source to the first and second electric machines according to a first predefined power ratio; in response of an intended gear change of the gearbox, allocating power from the power source to the first and second electric machines according to a second predefined power ratio, wherein the second predefined power ratio is defined by a reduced allocation of power to the first electric machine and an increased allocation of power to the second electric machine, or an increased allocation of power to the first electric machine and a decreased allocation of power to the second electric machine, as compared to the allocation of power according to the first predefined power ratio.