Vehicle and method for controlling the same

1 . A vehicle, comprising:

a battery;

a motor configured to rotate a wheel using electric power charged in the battery and to generate electric power via regenerative braking;

a coupling member configured to enable the vehicle to be physically towed by another vehicle; and

a controller configured to:

execute start-up when using a charging service, wherein using the charging service comprises the vehicle being physically towed by one of the other vehicles such that the wheels of the vehicle are rotated by a driving force of the one of the other vehicles;

charge the battery based on electric power generated by the motor; and

when executing the charging, charge the battery based on a reference regenerative torque;

wherein the charging of the battery occurs without a supply of charging power from the one of the other vehicles.

2 . The vehicle of claim 1 , wherein, while using the charging service, the controller is configured to execute a charge priority mode when the amount of charge of the battery is less than a predetermined amount of charge, and execute an efficiency priority mode when the amount of charge of the battery exceeds the predetermined amount of charge at the time of using the charging service.

3 . The vehicle of claim 2 , wherein, during the charge priority mode, the controller is configured to determine a predetermined maximum regenerative torque, and charge the battery based on the predetermined maximum regenerative torque.

4 . The vehicle of claim 3 , further comprising:

a slope detector configured to detect a slope of a road,

wherein the controller is configured to adjust the determined maximum regenerative torque based on the detected slope, and charge the battery based on the adjusted maximum regenerative torque.

5 . The vehicle of claim 2 , wherein, during the efficiency priority mode, the controller is configured to maintain a rotational speed of the motor at a reference rotational speed, determine a regenerative torque corresponding to the reference rotational speed, and charge the battery based on the determined regenerative torque.

6 . The vehicle of claim 2 , further comprising:

a storage configured to store, as a look-up table, efficiency corresponding to a traveling speed of the vehicle, an output capability of the motor, and a torque of the motor,

wherein, during the efficiency priority mode, the controller is configured to charge the battery based on the look-up table stored in the storage.

7 . The vehicle of claim 1 , further comprising:

a slope detector configured to detect a slope of a road,

wherein the controller is configured to determine a regenerative torque corresponding to a rotational speed of the motor, adjust the determined regenerative torque based on the detected slope, and charge the battery based on the adjusted regenerative torque.

8 . The vehicle of claim 1 , wherein the coupling member is coupled to a connection member provided on the one of the other vehicles,

wherein, while using the charging service, the controller is configured to execute starting.

9 . The vehicle of claim 1 , further comprising a communication device configured to perform communication with the one of the other vehicles;

wherein, when information of braking power is received by the one of the other vehicles, the controller is configured to determine additional braking power from the received information, and execute regenerative braking of the motor based on the determined additional braking power.

10 . The vehicle of claim 1 , further comprising a communication device configured to perform communication with the one of the other vehicles;

wherein, when a regenerative torque corresponding to regenerative capability of the one of the other vehicles is received by the one of the other vehicles, the controller is configured to determine the regenerative torque of the motor for charging the battery, and operate the communication device to transmit information of a smaller torque among the regenerative torque of the motor and the received regenerative torque to the one of the other vehicles.

11 . The vehicle of claim 1 , further comprising a communication device configured to perform communication with the one of the other vehicles;

wherein, when provision request information of the charging service is received by another vehicle, the controller is configured to determine a required torque for traveling, when a regenerative torque of the motor is received by another vehicle, obtain a traveling torque based on the received regenerative torque and the required torque, and operate the motor based on the obtained traveling torque.

12 . The vehicle of claim 11 , wherein, when provision request information of the charging service is received by another vehicle, the controller is configured to operate the communication device to transmit a regenerative torque corresponding to regenerative capability in the vehicle to another vehicle.

13 . The vehicle of claim 1 , further comprising a communication device configured to perform communication with the one of the other vehicles;

wherein, when the amount of charge of the battery is a reference amount of charge while using the charging service, the controller is configured to determine that the charging of the battery is completed, and operate the communication device to transmit charging completion information to another vehicle.

14 . The vehicle of claim 1 , further comprising a communication device configured to perform communication with the one of the other vehicles;

wherein, when communication with the one of the other vehicles is not connected while using the charging service, the controller is configured to determine that the charging of the battery is completed, and operate the communication device to transmit charging completion information to a terminal provided in the one of the other vehicles.

15 . The vehicle of claim 1 , further comprising:

a slope detector configured to detect a slope of a road; and

a communication device configured to perform communication with a terminal provided in the other vehicle;

wherein the controller is configured to adjust the reference regenerative torque based on the detected slope, and charge the battery based on the adjusted reference regenerative torque,

wherein, when communication with the other vehicle is not connected while using the charging service, the controller is configured to determine an amount of charge of the battery, when the determined amount of charge is a reference amount of charge, determine that the charging of the battery is completed, and operate the communication device to transmit charging completion information to the terminal.

16 . A method for controlling a vehicle having a motor configured to rotate a wheel using electric power charged in the battery and to generate electric power via regenerative braking, a battery, and a coupling member configured to enable the vehicle to be physically towed by another vehicle, the method comprising:

executing, by a controller, start-up when using a charging service, wherein the charging service comprises the vehicle being physically towed by one of the other vehicles such that the wheels of the vehicle are rotated by a driving force of the one of the other vehicles;

charging, by the controller, the battery based on electric power generated by the motor; and

when executing the charging, charge the battery based on a reference regenerative torque;

wherein the charging of the battery occurs without a supply of charging power from the one of the other vehicles.

17 . The method of claim 16 , wherein the charging of the battery includes:

executing, by the controller, a charge priority mode when the amount of charge of the battery is less than a predetermined amount of charge; and

executing, by the controller, an efficiency priority mode, when the amount of charge of the battery exceeds the predetermined amount of charge,

wherein the executing of the charge priority mode includes: determining, by the controller, a predetermined maximum regenerative torque, and charging the battery based on the predetermined maximum regenerative torque,

wherein the executing of the efficiency priority mode includes: maintaining, by the controller, a rotational speed of the motor at a reference rotational speed, determining a regenerative torque corresponding to the reference rotational speed, and charging the battery based on the determined regenerative torque.

18 . The method of claim 16 , wherein the charging of the battery includes:

detecting, by the controller, a slope of a road;

adjusting, by the controller, a regenerative torque based on the detected slope; and

charging, by the controller, the battery based on the adjusted regenerative torque.

19 . The method of claim 16 , wherein the vehicle further comprises a communication device configured to perform communication with the one of the other vehicles, the method further comprising:

performing, by the controller, a tow mode when provision request information of the charging service is received by another vehicle via the communication device;

determining, by the controller, a required torque for traveling;

when a regenerative torque of the motor is received by another vehicle, obtaining, by the controller, a traveling torque based on the received regenerative torque and the required torque; and

operating, by the controller, the motor based on the obtained traveling torque.