Hyundai Motor Company

Kia Motors Corporation

Samsung Electronics Co., Ltd.

Kia Corporation

Kia Motor Corporation

Gun Hyung Park

Kyu Il Lee

Seung Yoon Lee

Dae Jong Kim

Jung-kih Hong

Kyung Won Suh

Won-suck Lee

Ae-young Lee

Bo Ki Hong

Sung-Chul Park

Sung Gone Yoon

Jung Han Yu

Jong Kil Oh

Jeong Kyu Park

Sang Chul Yeom

Sae Byeok Seung

Chang Hwan Ye

Sungyoon Song

Hyun Hie Kim

Sang-Ho Hong

Byung Hwa Park

Jungki Hong

Yong-Woog Shin

Wonsuck Lee

Aeyoung Lee

A server, one or more electronic devices and method thereof are disclosed. The server provides cloud-based services and includes a communication module, a memory and a processor. The electronic devices further include a display. Both are operable to implement the method, including the server receiving input data including coordinate information from the device(s), the server determining whether the coordinates include a set of adjacent coordinates disposed within a threshold distance of each other, the server generating setting information if so, and transmitting the setting information and coordination information to the devices. The devices display a screen based on data received from the server, generate coordinate information based on user inputs, transmit input data including the coordinate information to the server, and display an object.

Cloud server supporting co-editing between electronic devices and operating method thereof

A condensate water drain control system for a fuel cell includes; a fuel cell stack configured to generate electric power through a chemical reaction of fuel, a fuel supply line configured to recirculate fuel drained from the fuel cell stack or supply fuel supplied from a fuel tank to the fuel cell stack, a water trap provided at the fuel supply line and configured to store condensate water generated in the fuel cell stack, a drain valve provided at an outlet of the water trap and configured to be opened or closed to allow or block drainage of the condensate water stored in the water trap, and a controller configured to control the drain valve to be closed on the basis of a state of supplying fuel to the fuel cell stack through the fuel supply line in a state of the drain valve is opened.

Condensate water drain control system and control method for fuel cell

Disclosed are an apparatus for measuring an impedance of a fuel cell in a system to which a DC-DC converter is applied and a method thereof. The method includes calculating an impedance of a fuel cell stack based on an impedance of an output terminal of the fuel cell stack measured in a state in which the output of the fuel cell stack is drawn and the impedance of the output terminal of the fuel cell stack measured in a state in which the drawing of the output of the fuel cell stack is stopped.

Apparatus for measuring impedance of fuel cell for vehicle and method thereof

A method for accurately measuring the impedance of the fuel cell stack in the vehicle during operation of the vehicle includes determining whether measuring the impedance of the fuel cell stack is requested during driving of the vehicle driven by using a power of a fuel cell stack, switching a DC-DC converter connecting the fuel cell stack and a battery to each other to a buck mode when measuring the impedance is requested, thereby blocking output current of the fuel cell stack from flowing to the battery through the DC-DC converter, determining a first current value of the fuel cell stack for measuring the impedance, controlling a resistance value of a COD variable resistor consuming the output current of the fuel cell stack according to the first current value, and measuring the impedance of the fuel cell stack while the output current of the fuel cell stack is maintained at the first current value.

Method for measuring impedance of fuel cell stack in vehicle

A water removing system and method of a fuel cell vehicle using impedance are provided. The system measures measure the low frequency impedance of a fuel cell stack when a fuel cell system is stopped in a low temperature condition, and adjusts the air supply amount and supply time for removing the water supercharged into the fuel cell stack using the measured low frequency impedance. Thus, air is prevented from being unnecessarily supercharged into the fuel cell stack and at the same time, the water remaining in the fuel cell stack is removed.

Water removing system and method of fuel cell vehicle using impedance

A user terminal and a control method thereof are provided. The user terminal includes a communicator configured to communicate with a server; a display configured to display a message screen including a plurality of messages exchanged between the user terminal and the server; and a processor configured to control the display to display the plurality of messages on the message screen in an individually selectable manner, and based on at least one message of the plurality of messages being selected on the message screen and at least one share target, with which to share the at least some of the plurality of messages, being selected, control the communicator to transmit, to the server, information regarding the at least one message of the plurality of messages and the at least one share target.

User terminal apparatus, server, and control method thereof

A method of measuring impedance of a fuel cell stack in a vehicle during driving of the vehicle includes: determining whether an impedance measurement of the fuel cell stack is requested during driving of the vehicle driven by power of the fuel cell stack; turning off a first relay connected between the fuel cell stack and a battery charged by the fuel cell stack when the impedance measurement of the fuel cell stack is requested; connecting a stack load to the fuel cell stack via a second relay and supplying air to the fuel cell stack; and measuring the impedance of the fuel cell stack.

Method of measuring impedance of fuel cell stack in vehicle

A method of controlling voltage of a fuel cell includes steps of: determining whether a mode is a high-voltage avoidance mode of the fuel cell; controlling a fuel cell stack voltage to be at a predetermined reference value or less when the mode is the high-voltage avoidance mode of the fuel cell; monitoring individual cell voltages of the fuel cell and determining whether a maximum value of the monitored individual cell voltages exceeds a predetermined individual value; reducing a reference value of the fuel cell stack voltage when the maximum value of the monitored individual cell voltages exceed the predetermined individual value; and controlling the fuel cell stack voltage at the reduced reference value or less. The method and system for controlling fuel cell voltage is provided to secure durability and performance of individual cells of a fuel cell stack.

Voltage control method and system for fuel cell

An electronic device is provided and includes a first housing forming a portion of an outside surface of the electronic device, a second housing coupled with the first housing and forming another portion of the outside surface of the electronic device, an antenna formed in at least a portion of the second housing, a connector including one or more connection pins for connection with an external device, at least a portion of an outside surface of the connector being formed of a conductive member, an adjusting circuit electrically connected with, at least, the portion of the outside surface of the connector formed of the conductive member, wherein an impedance of the adjusting circuit is variable. The electronic device may further include a processor configured to vary the impedance of the adjusting circuit based on a signal to be output through the antenna, and output the signal through the antenna, with the impedance of the adjusting circuit being varied.

Method of outputting a signal using an antenna disposed adjacent to a conductive member of a connector and an electronic device using the same

The disclosure relates to sharing of information regarding a conditional action in an electronic device. The device includes a communication module for processing a signal for communication with other devices, and a processor. Herein, the at least one processor receives a ruleset including information regarding at least one conditional action from another electronic device via the communication module, and executes the ruleset. The ruleset may include at least one ruleset of which a permission for at least one of reading, modification, and deletion is limited.

Method for sharing information on conditional action and electronic device therefor

A fuel cell system and a control method thereof are provided. In the system, an oxygen sensor is mounted on the anode inlet side and the anode outlet side of a fuel cell stack to measure an oxygen concentration. Based on the measured oxygen concentration, a control operation is performed on the fuel cell system to reduce the oxygen concentration on the anode side. Accordingly, the irreversible deterioration of the fuel cell occurring due to the reverse voltage of the cell during driving of the fuel cell vehicle and the cathode carbon corrosion occurring due to the inflow of air during parking are effectively reduced, thereby increasing the durability of the fuel cell and the fuel cell vehicle.

Fuel cell system having oxygen sensor, and control method thereof

A cathode oxygen depletion (COD) control method is provided. The method includes determining whether a COD heater operates and calculating power generation and power consumption when the COD heater operates. Additionally, the power consumption is adjusted by comparing the calculated power generation and power consumption.

COD control method and system for fuel cell

A restarting system, a controller, and a restarting method for a fuel cell vehicle are provided. The restarting system includes a consumption resistor connected in parallel to a high voltage line that connects between a fuel cell and a high voltage battery and a relay that adjusts the connection between the consumption resistor and the high voltage line. A controller operates the relay and when a shutdown request signal of the vehicle is input, charges the high voltage battery with residual generated power of the fuel cell or connects the relay to the consumption resistor to consume the residual generated power as the consumption resistance. When a starting request signal of the vehicle is input, the controller is reset when an output voltage of the fuel cell is reduced to be equal to or less than a required voltage and then output a starting permission signal of the vehicle.

Restarting system, controller and restarting method for fuel cell vehicle

A stop control method for a fuel cell system of a vehicle can include: determining whether a fuel cell of the fuel cell system is shut down when a key-off signal is received; comparing a voltage of the fuel cell with a first set voltage when it is determined that the fuel cell is not shut down; controlling a voltage of a high-voltage terminal downwardly when the voltage of the fuel cell is larger than the first set voltage; turning on a cathode oxygen depletion (COD) relay a first time after controlling the voltage of the high-voltage terminal downwardly; turning off a high-voltage terminal relay a first time after turning on the COD relay, the high-voltage relay disposed between the fuel cell and the high-voltage terminal; and shutting down the fuel cell and performing key-off control after turning off the high-voltage terminal relay.

Growing community of inventors

Gyeonggi-do, South Korea

Gun Hyung Park