Abstract: A plug-in hybrid electric vehicle (PHEV), which has an engine and a motor and travels using a power of the engine and an electric power of the motor, includes: a battery configured to supply a drive energy of the motor; a battery sensor configured to measure a state of charge (SOC) of the battery; and a controller configured to estimate an average mileage per cycle established using traveling information of the vehicle, estimate an average SOC per cycle using the measured SOC, and control a reference power needed for driving the engine according to the estimated average mileage and the estimated average SOC.

Abstract: A vehicle can include: a sensing device configured to acquire driving information of the vehicle; and a controller configured to determine whether a current driving mode of the vehicle is changeable based on the driving information, to identify a driving mode among a plurality of driving modes which corresponds to the driving information upon determining that the current driving mode is changeable, and to control an operation of the vehicle so as to change the current driving mode to the identified driving mode.

Abstract: The present disclosure relates to an apparatus for limiting vehicle speed and a method thereof. To prevent a vehicle from exceeding a speed limit to secure safety and improve fuel economy, the apparatus includes: a mode setting device allowing a driver to set any one of a safety mode, a fuel economy mode, and a hybrid mode; a safety speed input device allowing the driver to input a safety speed; one or more processors determining an economical speed on the basis of a driving environment of a vehicle; and a controller limiting a speed of the vehicle on the basis of the safety speed or the economical speed according to a mode set by the driver.

Abstract: Disclosed are a hybrid electric vehicle, which is capable of controlling engine starting in consideration of entry into a specific area, and method of controlling the same. A method of controlling engine starting of a hybrid vehicle includes determining whether catalyst heating is necessary, determining whether a current location corresponds to a specific area associated with exhaust emissions, determining whether a first mode driving is possible, when it is determined that the current position corresponds to the specific area and the catalyst heating is necessary, and performing the first mode driving when the first mode driving is determined to be possible, or a second mode driving when the first mode driving is determined to be impossible. Here, the first mode driving is performed by using an electric motor, and the second mode driving is performed by using at least an engine.

Abstract: A vehicle includes a storage configured to store navigation information, a communication module configured to receive current location information, a power apparatus configured to generate a driving force and to adjust the generated driving force, and a controller configured to acquire, if a cruise control mode is input, information about a location at which an event occurs based on the navigation information, and to control operation of the power apparatus based on the current location information and the information about the location at which the event occurs.

Abstract: A method for controlling a response to driving load of a hybrid vehicle includes: estimating an optimum speed for a current driving situation, estimating a target driving load based on the optimum speed, determining an eco-level corresponding to the target driving load from among a plurality of eco-levels, and changing at least some of an eco-gauge according to the determined eco-level.

Abstract: A vehicle and a method for controlling the same are provided to induce inertial driving of a driver by guiding the inertial driving of the vehicle and controlling an accelerator pedal so that a pedal effort is applied to the accelerator pedal. The vehicle includes a display configured to display an object guiding the inertial driving, and a controller configured to apply a pedal effort to an accelerator pedal when guiding the inertial driving to induce the inertial driving.

Abstract: A vehicle includes a storage configured to store navigation information, a communication module configured to receive current location information, a power apparatus configured to generate a driving force and to adjust the generated driving force, and a controller configured to acquire, if a cruise control mode is input, information about a location at which an event occurs based on the navigation information, and to control operation of the power apparatus based on the current location information and the information about the location at which the event occurs.

Abstract: An apparatus and method for controlling driving of a hybrid vehicle are provided. The apparatus includes a state identifying unit that identifies a driving state of a vehicle based on driving information of the vehicle during lock-up driving of the vehicle and a determination unit that determines whether the identified driving state satisfies a preset lock-up charge driving mode entering condition and determines a deceleration volition of a driver based on the identified driving state. When the identified driving state satisfies the lock-up charge driving mode entering condition a driving controller interrupts the vehicle from entering into a lock-up charge driving mode when the driver has a deceleration intention.

Abstract: An auxiliary battery recharging control method and apparatus are provided. The method includes determining whether a recharging prohibition condition is established, based on first state information of a vehicle and second state information of a first battery, at regular recharging intervals, when a periodic recharging mode is executed, based on a first ignition (IG) voltage. Recharging is executed based on whether a critical recharging condition is established using third state information of a second battery, when an automatic recharging mode is executed, based on a second IG voltage. Additionally, a voltage variation is calculated of the second battery selected from the third state information, and at least one of a recharging time and a recharging voltage is adjusted, based on the calculated voltage variation, or the recharging interval is adjusted, based on the calculated voltage variation.

Abstract: A motor control method is provided and includes reducing first power generated by a first motor and operating a second motor to generate second power corresponding to the reduced first power when a temperature of the first motor is greater than a first temperature. Additionally, generation of the first power by the first motor is suspended and the second power is generated by the second motor when the temperature of the first motor is greater than a second temperature. Generation of the second power by the second motor is suspended when at least one of the temperature of the first motor and a temperature of the second motor is greater than a third temperature.

Abstract: An auxiliary battery recharging control method and apparatus are provided. The method includes determining whether a recharging prohibition condition is established, based on first state information of a vehicle and second state information of a first battery, at regular recharging intervals, when a periodic recharging mode is executed, based on a first ignition (IG) voltage. Recharging is executed based on whether a critical recharging condition is established using third state information of a second battery, when an automatic recharging mode is executed, based on a second IG voltage. Additionally, a voltage variation is calculated of the second battery selected from the third state information, and at least one of a recharging time and a recharging voltage is adjusted, based on the calculated voltage variation, or the recharging interval is adjusted, based on the calculated voltage variation.

Abstract: A motor control method is provided and includes reducing first power generated by a first motor and operating a second motor to generate second power corresponding to the reduced first power when a temperature of the first motor is greater than a first temperature. Additionally, generation of the first power by the first motor is suspended and the second power is generated by the second motor when the temperature of the first motor is greater than a second temperature. Generation of the second power by the second motor is suspended when at least one of the temperature of the first motor and a temperature of the second motor is greater than a third temperature.

Abstract: An offset correction method for an automobile oil pressure sensor determines whether or not an engine start signal is applied. An offset value of the oil pressure sensor installed on an oil pressure line connected to an oil pump is detected within a first preset period after the start signal is applied. An output value of the oil pressure sensor is corrected after the offset value is detected.

Abstract: A method of controlling coasting operation of a hybrid vehicle during a coasting operation and an apparatus for performing the same are provided. The coasting operation is controlled by calculating a remaining distance from a current location of a vehicle and a location at a target vehicle speed and an approach distance until reaching the target vehicle speed demanded at a current vehicle speed. Additionally, an inertia torque is adjusted to correspond to vehicle variation based on roads, slopes of the roads, and exterior disturbances. Thus, since inertia torque is adjusted during the coasting operation based on the target vehicle speed, unnecessary energy loss is reduced and fuel ratio is enhanced during traveling on roads.

Abstract: A system for controlling acceleration torque of a vehicle includes: a driving information detection unit that detects driving information of the vehicle; a forward-vehicle detector that detects the information about another vehicle located substantially ahead of the vehicle; and a control unit that calculates a basic acceleration torque and a basic slew rate of the vehicle when the vehicle is accelerating based on the detected driving information, calculates a desired acceleration torque and a final slew rate by correcting the basic acceleration torque and the basic slew rate based on the detected information about the other vehicle, and outputs a torque-related order to adjust a torque output from a power system of the vehicle to the desired acceleration torque in accordance with the final slew rate.

Abstract: A system and method for opening an engine clutch of a hybrid vehicle are provided. The method and system enhance fuel efficiency by saving a fuel injection amount based on a fuel injection time of an engine, by adjusting an input torque of an engine clutch to be zero by applying a Hybrid Starter Generator (HSG) torque connected to the engine while reducing the fuel injection time into the engine from the time when the opening of the engine clutch starts to adjust.

Abstract: A system and method for opening an engine clutch of a hybrid vehicle are provided. The method and system enhance fuel efficiency by saving a fuel injection amount based on a fuel injection time of an engine, by adjusting an input torque of an engine clutch to be zero using an HSG torque connected to the engine while reducing the fuel injection time into the engine from the time when the opening of the engine clutch starts to adjust.

Abstract: A method of controlling an automatic transmission for reducing synchronization shock during an upshift in an accelerated state may include determining a shift progress rate, performing shift progress rate determination of determining whether the determined shift progress rate is higher than a certain value, performing PID control of a release element when the shift progress rate is determined to be higher than the certain value, performing release element-shared torque determination of determining whether a shared torque of the release element is higher than 0, and reflecting the PID control in the release element when the shared torque of the release element is determined to be higher than 0.

Abstract: A technique for controlling engine starting while shifting a hybrid vehicle is provided that minimizes fuel consumption of the engine by determining an improved engine starting time and drivability when a current operating state of the hybrid vehicle requests a kick down shift required to start the engine and coupling of the engine clutch. In particular, the technique controls engine starting while shifting a hybrid vehicle by employing an information detector configured to detect a current operating state of the hybrid electric vehicle, and a controller configured to control an operation of a transmission, a motor, an engine, and an engine clutch based on output signals from the operating information detector.