Abstract: A method of operating a hub which authenticates a plurality of IoT devices between a server and the IoT devices in place of the server includes authenticating a first IoT device using one of a plurality of predetermined pairing authentication techniques upon receiving a pairing request from the first IoT device, sending a request for an access right of the first IoT device to the server based on pairing information of the first IoT device and transmitting data of the first IoT device to the server upon receiving approval of the access of right of the first IoT device.

Abstract: An apparatus and a method for a data learning server is provided. The apparatus of the disclosure includes a communicator configured to communicate with an external device, at least one processor configured to acquire a set temperature set in an air conditioner and a current temperature of the air conditioner at the time of setting the temperature via the communicator, and a generate or renew a learning model using the set temperature and the current temperature, and a storage configured to store the generated or renewed learning model to provide a recommended temperature to be set in the air conditioner as a result of generating or renewing the learning model. For example, the data learning server of the disclosure may generate a learned learning model to provide a recommended temperature using a neural network algorithm, a deep learning algorithm, a linear regression algorithm, or the like as an artificial intelligence algorithm.

Abstract: A low power DC-DC converter (LDC) control circuit is provided and includes a detector, a storage, and an LDC. The detector detects an output voltage of the LDC and characteristic factors in a vehicle. The storage receives the characteristic factors and cumulatively stores the characteristic factors. The LDC controller initializes the characteristic factors cumulatively stored in the storage when a state of charge (SOC) of a battery of the vehicle is maintained to a preset value for a preset time while the LDC output voltage is maintained to be the same as in a refresh operation.

Abstract: A method of variably controlling a transmission pattern of a hybrid vehicle is provided. The method converts a transmission pattern into a pattern that sufficiently secures engine charge power by considering the total amount of electric load when the transmission pattern is determined based on a current SOC state. The method variably controls the transmission pattern of a hybrid vehicle to prevent a battery SOC excessive decrease due to an increase of electric load of a vehicle by reflecting and compensating for the used amount of electric load of a hybrid vehicle when the type of transmission pattern is determined. Also, fuel efficiency is improved based on the improvement of battery charge efficiency by determining the transmission pattern such that the speed of a transmission input terminal increases when the electric load increases and thus securing the engine charge power for the battery charge.

Abstract: An operating method of a terminal based on multiple inputs and a portable terminal supporting the same are disclosed. The operating method includes: receiving a sensor signal in a state that a touch-down event having at least one touch point is being maintained, generating respective distinct commands according to at least one of a number of touch points of the touch-down event, and a type and a form of the certain sensor signal, activating one of a user function or controlling an operation of a currently activated user function according to the generated commands; and controlling variation in a screen output on a display panel according to the activation or the control of the user function.

Abstract: A method for controlling an engine variable valve timing of a hybrid electric vehicle, may include providing a cam position setting table of a fuel efficiency prioritized intake/exhaust cam control mode, and a cam position setting table of a normal intake/exhaust cam control mode, the cam position setting table of the fuel efficiency prioritized intake/exhaust cam control mode being differentiated from the cam position setting table of the normal intake/exhaust cam control mode; selecting one of the fuel efficiency prioritized intake/exhaust cam control mode and the normal intake/exhaust cam control mode by a canister loading amount and whether or not diagnosis of an intake cam and diagnosis of an exhaust cam are completed; and determining position control values of the intake and exhaust cams by using the cam position setting table and then controlling positions of the intake cam and the exhaust cam by the determined position control values.

Abstract: An apparatus and method for controlling an LDC of a hybrid vehicle are provided. The apparatus includes a determining controller that receives state information of an auxiliary battery, while the LDC is being operated in a first mode based on a detected voltage, and that determines whether an entry condition for a second mode based on a current is satisfied. An arithmetic controller calculates a charging current compensation value of the auxiliary battery when the entry condition for the second mode is satisfied and a mode controller enters the second mode and that controls the LDC based on the charging current compensation value of the auxiliary battery when the entry condition for the second mode is satisfied.

Abstract: A method of controlling driving of a vehicle when battery charging is limited is provided. The method includes calculating a target wheel torque from a speed of the vehicle, calculating a target motor torque from a differential gear device of the vehicle, and calculating a discharge power of a hybrid starter generator when the target motor torque and a motor charging limitation torque are compared with each other and the target motor torque is greater than the motor charging limitation torque. A fuel injection of the vehicle is blocked and an engine clutch is disengaged when the discharge power of the hybrid starter generator and a discharging limitation power of the hybrid starter generator are compared with each other and the discharge power of the hybrid starter generator is less than the discharging limitation power of the hybrid starter generator. Additionally, an engine reference speed of the vehicle is determined.

Abstract: A system for determining a regenerative braking mode (regen mode) of a LDC to determine an entrance into the regen mode or a release from the regen mode among driving modes of the LDC includes a vehicle speed calculating device that detects a driving speed of a vehicle and outputs information on the detected driving speed, an inclination sensing device that detects an inclination of a road on which the vehicle is driving and outputs information on the detected inclination, and a processor that determines the entrance into the regen mode and the release from the regen mode, based on the driving speed of the vehicle and the inclination of the road at a time point that a high-voltage battery is fully charged.

Abstract: An apparatus for calculating a maximum output torque of an engine of a hybrid electric vehicle includes a torque deviation calculating unit configured to calculate a torque deviation by using a currently output engine torque and an engine command torque, an engine output change learning unit configured to learn the torque deviation when a torque deviation learning start condition of the hybrid electric vehicle is satisfied, and an engine part load maximum torque calculating unit configured to calculate an engine part load maximum output torque based on the learned torque deviation so as to control an output of the engine.

Abstract: An apparatus for controlling a SOC of a hybrid vehicle comprises a data detector for detecting data including a SOC of a battery, a vehicle speed, an amount of operating of a brake pedal sensor, an amount of operating of an acceleration pedal sensor, and a driving state of a vehicle to control a SOC of a hybrid vehicle. Included are a correction value calculating unit configured for calculating a correction value of the SOC based on the data; a SOC calculating unit configured for calculating a virtual center SOC based on the correction value of the SOC and an actual SOC; and an engine-on/off determining unit configured for determining whether an engine is turned on or turned off based on the virtual center SOC.

Abstract: A system and method for controlling a low-voltage DC-DC converter (LDC) voltage of a hybrid vehicle are provided. The LDC voltage is optimally adjusted based on which driving mode the vehicle enters, thereby improving fuel efficiency. The method includes determining whether the hybrid vehicle is driven in a regenerative braking mode and whether a value of a state of charge (SOC) of an auxiliary battery is equal to or greater than a first critical value set as a value when charging of the auxiliary battery is unnecessary during the driving in the regenerative braking mode. When the value of the SOC of the auxiliary battery is equal to or greater than the predetermined first critical value, the driving mode is switched from the regenerative braking mode to an electric vehicle (EV) mode, and to variably adjust an LDC target voltage in the EV mode.

Abstract: In an embodiment, a method is provided for processing data in a storage device, and a storage device. The method includes writing data according to a write command received from a processor. The method also includes determining whether a predetermined write restriction time has elapsed. The method also includes discontinuing the data writing upon expiration of the predetermined write restriction time.

Abstract: A control method of a driving mode of a hybrid vehicle and a control system for the method, the method including a coolant temperature-checking step of checking a coolant temperature by means of a controller, a first mode-performing step of increasing the coolant temperature by always operating an engine by means of the controller and of driving the vehicle in an HEV mode, a second mode-performing step of operating the engine by means of the controller and of driving the vehicle in the HEV mode, and a normal mode-performing step of driving the vehicle in the HEV mode by means of the controller.

Abstract: A battery management method can be used for a vehicle. The method includes determining whether battery refresh proceeds and determining whether battery aging proceeds based on a time period in which the battery refresh proceeds, a battery state of charge, and a battery current during the battery refresh. Battery discharge is controlled based on determining that the battery aging proceeds. Charging is controlled according to a battery refresh map in order to restore the battery.

Abstract: A system for correcting engine torque includes: a torque correction value generator generating a torque correction value for correcting output torque of an engine; a torque correction determination unit determining applicability of the generated torque correction value; and a torque applying unit determining a final engine output torque by applying the generated torque correction value to the output torque of the engine based on the determined applicability of the generated torque correction value.

Abstract: A charging control method and system for an electric vehicle are provided. The charging control method includes monitoring, by a controller, a state of an auxiliary battery including a state of charge (SOC), temperature, and charging current of the auxiliary battery. A charging mode of the electric vehicle is then determined based on the monitored state of the auxiliary battery. A charging voltage of the auxiliary battery is set based on the monitored SOC and temperature of the auxiliary battery and then the auxiliary battery is charged with the set charging voltage.

Abstract: A method and system are provided for variably adjusted voltage of the LDC applied with an IBS (Intelligent Battery Sensor). The LDC output voltage control mode is determined in each of three driving modes, and the high electric loads are separated into two or more groups. The LDC output voltage value and the order priority are differentiated based on the durability of the auxiliary battery. Additionally, an LDC output voltage order table is generated according to the driving mode and the SOC state based on the auxiliary battery SOC information obtained from an IBS. Thus, consumed energy of the LDC and an energy consumption amount of the auxiliary battery are minimized, thus improving fuel efficiency.

Abstract: A method and system for controlling a battery SOC of a hybrid vehicle are provided to improve fuel efficiency in an urban area with a differentiated strategy for controlling auxiliary battery SOC balance of the hybrid vehicle. The method improves fuel efficiency in urban areas with a differentiated strategy of controlling SOC balance of an auxiliary battery considering that the degree of influence of electric field load consumption on fuel efficiency based on LDC voltage adjustment in the hybrid vehicle varies based on driving mode and road gradient.

Abstract: An apparatus and a method are provided for controlling a low DC-DC converter (LDC) in an electric vehicle by prioritizing respective controllers, connecting the controllers in series in ascending order according to priority, and determining a command voltage of the LDC on the basis of output voltages of the respective controllers. Accordingly, even when a controller with a highest priority is operating, controllers of lower priority continue operating. Thus, electrical load performance degradation caused by instantaneous overcurrent generated in state transitions is prevented.