Abstract: A method for charging/discharging an electric vehicle includes generating map information including a charging/discharging fee rate policy for mapped charging stations and registering the generated map information in a vehicle, identifying one or more charging stations capable of performing a charging/discharging of the vehicle based on the generated map information, selecting an optimal charging station for the charging/discharging among the identified charging stations, determining a charging/discharging schedule based on a charging/discharging fee rate policy of the selected charging station, and performing the charging/discharging based on the determined charging/discharging schedule at the selected charging station.

Abstract: Disclosed is a method for charging/discharging an electric vehicle. The method includes determining whether the electric vehicle has passed a power grid border during travel, transmitting information on a current travel path and information on a currently set area code to a server in response to a determination that the electric vehicle has passed the power grid border, receiving an area code update request message containing information on a new area code and a charging/discharging fee rate policy corresponding to the new area code from the server, updating a charging/discharging schedule based on the charging/discharging fee rate policy corresponding to the new area code, and performing the charging/discharging with a charging station based on the updated charging/discharging schedule.

Abstract: A method for charging/discharging an electric vehicle includes receiving one or more power grid codes and information on a charging/discharging fee rate policy corresponding to each of the one or more power grid codes, determining a charging/discharging schedule based on the received charging/discharging fee rate policy, and performing a charging/discharging for the elective vehicle with a charging station based on the determined charging/discharging schedule.

Abstract: The present disclosure relates to an in-place alignment method for wireless charging of an urban air mobility and a device and a system therefor. A wireless charging method includes acquiring location information of a supply device for supplying wireless power, moving an urban air mobility to the supply device based on the location information, performing pairing with a user equipment (UE) based on a distance from the urban air mobility to the supply device, aligning a wireless power receiving pad of the urban air mobility and a wireless power transmitting pad of the supply device based on a control signal of the paired UE, and charging a battery of the urban air mobility by receiving wireless power from the supply device. The present disclosure maximizes a wireless charging efficiency and minimizes a power waste by quickly and accurately aligning pads of the urban air mobility and the supply device.

Abstract: The present disclosure relates to an in-place alignment method for wireless charging of an urban air mobility and a device and a system therefor. A wireless charging method in an urban air mobility includes diagnosing a state of at least one sensor included in the urban air mobility, requesting the supply device to drive a sensor included in the supply device through wireless communication based on a result of the diagnosing, measuring a location of the supply device by sensing a sensor signal of the supply device, moving the urban air mobility to the supply device based on the measured location of the supply device, and stopping the urban air mobility, performing alignment of wireless power transmission/reception pads for wireless charging, and performing wireless charging based on completion of the alignment.

Abstract: The present disclosure relates to an in-place alignment method for wireless charging of an urban air mobility and a device and a system therefor. A wireless charging method in an urban air mobility includes acquiring location information of a supply device for supplying wireless power, moving to the supply device based on the location information, performing a horizontal alignment based on a distance to the supply device, performing a longitudinal alignment based on completion of the horizontal alignment, and performing the wireless charging after the urban air mobility stops based on completion of the longitudinal alignment. Therefore, the present disclosure has an advantage of maximizing a wireless charging efficiency and minimizing a power waste by quickly and accurately aligning wireless power transmitting/receiving pads of the urban air mobility and the supply device with each other in place.

Abstract: The present disclosure relates to an in-place alignment method for wireless charging of an urban air mobility and a device and a system therefor. A wireless charging method in an urban air mobility includes acquiring location information of a supply device for supplying wireless power, moving the urban air mobility to the supply device based on the location information, sensing a sensor signal of the supply device based on a distance to the supply device becoming equal to or smaller than a first distance, performing first charging in which the urban air mobility moves to the supply device based on the sensed sensor signal, stops and performs wireless charging with first power, performing fine alignment based on a wireless charging efficiency calculated during the first charging, and performing second charging in which wireless charging with second power is performed based on completion of the fine alignment.

Abstract: A method of charging a battery of a subject electric air includes determining whether a second electric air vehicle is using supply equipment cooperating with an access point, based on occupation information received from the access point; when it is determined that the second electric air vehicle is not using the supply equipment, charging a high-voltage battery equipped in the subject electric air vehicle with power supplied from the supply equipment after the electric air vehicle moves to the access point and lands at a designated landing point; when charging of the high-voltage battery is completed, receiving a movement limit speed of each of a plurality of movement intervals between other access points from the other access points disposed in a movement path of the subject electric air vehicle; and moving the subject electric air vehicle in the movement intervals based on the respective movement limit speeds.

Abstract: An apparatus for charging a battery of an electric air vehicle includes a transceiver to perform wireless communication with an access point connected to supply equipment, an on-board charger connected to the transceiver, and a high-voltage battery charged based on control by the on-board charger. The on-board charger exchanges information, associated with charging reservation, with the supply equipment via the transceiver and the access point based on a first wireless communication scheme and exchanges information, associated with a charging performance state, with the supply equipment based on a second wireless communication scheme.

Abstract: A method of communicating between an electric vehicle, a supply equipment, and a power grid includes transmitting, by an electric vehicle communication controller of the electric vehicle, a discharge schedule including an amount of energy discharge, a discharge start time, and a discharge finish time to a supply equipment communication controller of the supply equipment or a power grid communication controller of the power grid operation server, and receiving a discharge cost calculated according to the discharge schedule from the supply equipment communication controller or the power grid communication controller, wherein the discharge cost including an additional calculation cost, in response to a sum of the amount of energy discharge of the electric vehicle and an amount of energy discharge of another electric vehicle being greater than or equal to a reference energy discharge amount.

Abstract: Provided is a charging system for an electric vehicle, the charging system including: provides an electric vehicle charging system capable of simultaneously satisfying unidirectional charging and bidirectional charging with protocol standards that allow a communication interface with AC slow charging equipment and DC fast charging equipment.

Abstract: A charging system for an electric vehicle is capable of simultaneously satisfying unidirectional charging and bidirectional charging with protocol standards that allow a communication interface with AC slow charging equipment and DC fast charging equipment. The charging system for an electric vehicle, comprises: a bidirectional charging unit provided with a first communication unit and a second communication unit, wherein, when an inlet connector of fast charging equipment or slow charging equipment is connected to the bidirectional charging unit.

Abstract: Disclosed is a method of communicating between an electric vehicle, a supply equipment, and a power grid, which is performed by an electric vehicle communication controller of the electric vehicle, the method including operations of transmitting a message related to the charge schedule including a mileage input by a vehicle user through a human-machine interface and the amount of energy charge calculated according to the mileage to a supply equipment communication controller of the supply equipment and to a power grid communication controller of a power grid operation server via the supply equipment communication controller, receiving a message related to a charge cost calculated according to the charge schedule as a charge cost to be paid to the supply equipment from the supply equipment communication controller, transmitting an authorization message for the charge cost to the supply equipment communication controller, and exchanging a message indicating that charging is ready with the supply equipment commu

Abstract: According to the present invention, by defining charge process-related messages exchanged between an electric vehicle, a supply equipment, and a power grid, it is possible to establish an efficient billing policy for each time, and also it is possible to efficiently operate the power grid. Also, it is possible to provide credit or incentive to a vehicle user and an operator of a supply equipment that participate in CO2 emission regulation.

Abstract: Disclosed is a method of communicating between an electric vehicle, a supply equipment, and a power grid, which is performed by an electric vehicle communication controller of the electric vehicle, the method including an operation of transmitting a discharge schedule including the amount of energy discharge, a discharge start time, and a discharge finish time to a supply equipment communication controller of the supply equipment or a power grid communication controller of a power grid operation server, receiving a discharge cost calculated according to the discharge schedule from the supply equipment communication controller or the power grid communication controller, and transmitting an authorization message for the discharge cost to the supply equipment communication controller or the power grid communication controller.

Abstract: A bidirectional on-board charger (BOBC) may be disposed between an electric vehicle supply equipment (EVSE) and a battery equipped in an electric vehicle to convert power while performing charging/discharging in two-way direction, supply a converted DC power to the battery to driving the electric vehicle, convert a power of the battery into an AC power in converting power with respect to the EVSE, and supply the AC power to a grid or a load. In a method and apparatus of controlling a BOBC, an operation mode of the BOBC proceeds to an optimum point by comparing battery voltage values in a charging mode and proceeds to an optimum point on the basis of an accurate battery state value through a grid connection in a discharging mode.

Abstract: A bidirectional on-board charger (BOBC) may be disposed between an electric vehicle supply equipment (EVSE) and a battery equipped in an electric vehicle to convert power while performing charging/discharging in two-way direction, supply a converted DC power to the battery to driving the electric vehicle, convert a power of the battery into an AC power in converting power with respect to the EVSE, and supply the AC power to a grid or a load. In a method and apparatus of controlling a BOBC, an operation mode of the BOBC proceeds to an optimum point by comparing battery voltage values in a charging mode and proceeds to an optimum point on the basis of an accurate battery state value through a grid connection in a discharging mode.

Abstract: A charging system for an electric vehicle is capable of simultaneously satisfying unidirectional charging and bidirectional charging with protocol standards that allow a communication interface with AC slow charging equipment and DC fast charging equipment. The charging system for an electric vehicle, comprises: a bidirectional charging unit provided with a first communication unit and a second communication unit, wherein, when an inlet connector of fast charging equipment or slow charging equipment is connected to the bidirectional charging unit.

Abstract: A wireless power transmission device may include a power transmitting module installed outside a vehicle for transmitting power, a power receiving module installed on the vehicle for receiving power from the power transmitting module, and a user interface module configured to control a position of the vehicle and the power transmitting and receiving modules so as to transmit power from the power transmitting module to the power receiving module.

Abstract: A wireless power transmission device may include a power transmitting module installed outside a vehicle for transmitting power, a power receiving module installed on the vehicle for receiving power from the power transmitting module, and a user interface module configured to control a position of the vehicle and the power transmitting and receiving modules so as to transmit power from the power transmitting module to the power receiving module.