Abstract: A regenerative braking control device for an electronic four-wheel drive vehicle, may improve fuel efficiency through a regenerative braking control optimized for the electronic four-wheel drive vehicle.

Abstract: A battery discharge control system and method for a motor-driven vehicle may monitor a SOC of an auxiliary battery in real time and control electric power supply to a first electric component, a wireless communication module, a vehicle controller, and a second electric component which is an always-on component, based on a predetermined order according to the SOC of the auxiliary battery, thereby inhibiting the complete discharge of the auxiliary battery and eliminating driver's discomfort.

Abstract: A method can be used for controlling for engine running. An input unit receives required power data. A controller executes one among a first control for running an engine, a second control for keeping on running the engine, and a third control for stopping the engine, according to the required power data, to drive the engine. The battery is discharged or charged under control of the controller.

Abstract: A hybrid vehicle includes an electric motor, an engine including an exhaust gas purifying unit, and an engine clutch disposed between the electric motor and the engine. A method of controlling the hybrid vehicle includes determining a driving environment condition including a first condition related to at least a driving load when a request for operating the exhaust gas purifying unit is received, determining a state of the engine clutch and an operation condition of the exhaust gas purifying unit when the exhaust gas purifying means operates according to the result of determining the driving environment condition, and operating the exhaust gas purifying unit while maintaining the determined state of the engine clutch when the driving environment condition is satisfied.

Abstract: A device for controlling driving of an electric four-wheel drive vehicle at the time of shift is provided. The device controls driving of an electric four-wheel drive vehicle to minimize energy loss occurring on a power transmission path during shift, thereby improving fuel efficiency.

Abstract: A method for inertia drive control is provided. The method includes performing advanced inertia drive control by an inertia drive controller. The controller detects a speed reduction event during road driving of a vehicle, lane division together with road type division for a road, and performs inertia drive control guide and the inertia drive control based on drive conditions of lane change and lane maintenance.

Abstract: A system and method of inducing and controlling coasting of a vehicle are able to prevent unnecessary acceleration and deceleration, improve fuel efficiency, and prevent a safety accident of a driver and pedestrians by dividing a preset distance from a vehicle to a signal lamp into four or more sections on the basis of road signal information, etc., and by performing deceleration induction, deceleration control, acceleration induction, coasting induction, creep torque control in coasting, etc. for sections, respectively, based on information of a vehicle speed, a signal lamp, etc.

Abstract: An embodiment method of controlling a state of charge of a vehicle includes receiving input of use information for driving an external device by power of a battery for driving an electric motor, determining expected power consumption of the external device based on the use information, determining a target state of charge based on the expected power consumption, and controlling a driving mode based on the target state of charge.

Abstract: A method of controlling uphill driving of a hybrid vehicle provided with a dual clutch transmission (DCT) may include determining, by a controller, a driving state of a vehicle on the basis of information collected from the vehicle; when the vehicle is determined as being in a uphill driving state, performing, by the controller, high torque control on an engine of the vehicle by increasing an engine torque to control the engine at a predetermined high torque engine operating point and reducing a motor torque of a motor in the vehicle to satisfy a driver request torque; and during the performing of the high torque control on the engine, comparing, by the controller, a state of charge (SOC) value of a battery with a set first SOC threshold value, and when the SOC value of the battery is less than or equal to the first SOC threshold value, performing engine and motor speed control to defend the SOC value of the battery.

Abstract: A device for controlling an electronic four-wheel drive (E-4WD) of a vehicle includes: a first powertrain for a front wheel, where the first powertrain includes an engine, and a front wheel motor; and a second powertrain for a rear wheel, where the second powertrain includes a rear wheel motor. The device provides a rear wheel motor driving mode, a front wheel motor driving mode, a combined driving mode in which the front wheel motor and the rear wheel motor are both driven, and an engine-on mode according to driver power demand for the vehicle, such that fuel efficiency of the vehicle is improved.

Abstract: An apparatus and method for controlling temperature of automatic transmission fluid, and a vehicle system are provided. The apparatus includes a determination device that determines whether a temperature difference between the temperature of the automatic transmission fluid and a target temperature thereof satisfies a heating control condition of the automatic transmission fluid at the start of charging. A then adjusts the temperature of the automatic transmission fluid by outputting an operation control signal for at least one driving unit of a thermal management system, when the temperature difference satisfies the heating control condition of the automatic transmission fluid.

Abstract: A method of controlling engine on of a hybrid vehicle, may include determining, by a controller, a shift pattern of the vehicle between multiple regions; deriving, by the controller, a shifting possibility of the vehicle from each of the regions; and deriving an engine-on strategy of the vehicle on the basis of the derived shifting possibility, and controlling an engine of the vehicle to be on or off in accordance with the derived engine-on strategy.

Abstract: A device for controlling driving of an electric four-wheel drive vehicle at the time of shift is provided. The device controls driving of an electric four-wheel drive vehicle to minimize energy loss occurring on a power transmission path during shift, thereby improving fuel efficiency.

Abstract: A method for controlling deceleration of an environmentally friendly vehicle is provided. The method includes determining a target deceleration profile of the environmentally friendly vehicle based on deceleration event information in ahead of the vehicle and a current speed of the vehicle. A deceleration target speed profile of the vehicle is calculated based on the target deceleration profile. A driving motor of the vehicle is then operated based on the deceleration target speed profile to decelerate the vehicle.

Abstract: A control method capable of variably applying an existing engine-on line includes: a prediction degree calculation unit to predict a degree to which a temperature of a coolant at a current point after the engine is turned off reaches a target temperature by a request of full automatic temperature control (FATC); a factor determination unit to set reference ranges divided based on an extent that the temperature is close to the target temperature, and to determine a factor value for each reference range so that a predetermined existing engine-on line or a predetermined existing engine-off line is varied by required power; and an engine on/off line determination unit configured to determine a corrected engine-on line or a corrected engine-off line by calculating the existing engine-on line or the existing engine-off line and the factor value in the reference range in which a calculation value is positioned.

Abstract: A control method capable of variably applying an existing engine-on line includes: a prediction degree calculation unit to predict a degree to which a temperature of a coolant at a current point after the engine is turned off reaches a target temperature by a request of full automatic temperature control (FATC); a factor determination unit to set reference ranges divided based on an extent that the temperature is close to the target temperature, and to determine a factor value for each reference range so that a predetermined existing engine-on line or a predetermined existing engine-off line is varied by required power; and an engine on/off line determination unit configured to determine a corrected engine-on line or a corrected engine-off line by calculating the existing engine-on line or the existing engine-off line and the factor value in the reference range in which a calculation value is positioned.

Abstract: A method of and an apparatus of controlling a creep torque to be exerted on a vehicle, may include facilitating a control unit to determine from a vehicle speed signal whether or not a vehicle comes to a stop, facilitating the control unit to determine from a slope angle signal a state of a road in accordance with a slope angle of the road; facilitating the control unit to determine a gear-shift step state, facilitating the control unit to decide a creep torque command on the basis of a result of the determination, the gear-shift step state, and information on the state of the road in accordance with the slope angle, and facilitating the control unit to output the decided creep torque command to perform creep torque control that generates a creep torque corresponding to the creep torque command from a motor.

Abstract: A method for providing the engine oil usage information may include determining, by a controller, a current engine driving state out of a plurality of predetermined driving states of an engine of the hybrid electric vehicle from driving information, determining, by the controller, a real-time cumulative distance value corresponding to the determined current engine driving state, updating, by the controller, an oil usage distance using the real-time cumulative distance value, determining, by the controller, an engine oil change time by comparing the updated oil usage distance with a predetermined engine oil change distance, and informing, by the controller, information related to the determined engine oil change time through a notification unit.

Abstract: A regenerative braking control device for an electronic four-wheel drive vehicle, may improve fuel efficiency through a regenerative braking control optimized for the electronic four-wheel drive vehicle.

Abstract: A battery discharge control system and method for a motor-driven vehicle may monitor a SOC of an auxiliary battery in real time and control electric power supply to a first electric component, a wireless communication module, a vehicle controller, and a second electric component which is an always-on component, based on a predetermined order according to the SOC of the auxiliary battery, thereby inhibiting the complete discharge of the auxiliary battery and eliminating driver's discomfort.