Abstract: The present disclosure relates to an apparatus and a method for active vibration control of a hybrid electric vehicle.

Abstract: A non-uniform displacement engine control system with different control modes based on a state of charge (SOC) of a battery, the system includes a non-uniform displacement engine including a plurality of cylinders, the cylinders comprising at least two sizes of cylinders having different displacements, a motor connected to a driving shaft of the engine, a battery for supplying electrical energy to the motor, and a motor control device for controlling the motor, wherein the motor control device controls the motor to compensate for a difference in torque due to different displacements of the cylinders such that a sum of engine torque and motor torque in explosion stroke of each cylinder is uniform, and the motor control device has a charge intention mode or a discharge intention mode based on the SOC of the battery.

Abstract: The present disclosure relates to an apparatus and a method for active vibration control of a hybrid electric vehicle.

Abstract: The present disclosure relates to active vibration control of a hybrid electric vehicle. One form provides a method that may include setting up a period of fast Fourier transform (FFT) and performing FFT of an engine speed or a motor speed corresponding to the period of the FFT from a reference angle signal; setting up a reference spectrum; extracting vibration components to be removed based on information of the reference spectrum; selecting and adding a removal object frequency from the vibration of each frequency and performing inverse FFT; determining a basic amplitude ratio according to the engine speed and the engine load; determining an adjustable rate which decreases an anti-phase torque as a change amount of the engine speed is decreased; and performing active vibration control of each frequency based on the information of the basic amplitude ratio, the adjustable rate, and the engine torque.

Abstract: An air conditioner according to the present disclosure includes a housing provided with an outer panel forming an appearance, and an opening formed in the outer panel; a heat exchanger configured to exchange heat with air introduced to the inside of the housing; a first discharge portion connected to the opening to discharge heat-exchanged air to the outside; a second discharge portion disposed in a lower side of the first discharge portion in the outer panel to discharge the heat-exchanged air; and a blowing fan disposed inside of the housing to move air, which is heat-exchanged by the heat exchanger, in a direction of the second discharge portion.

Abstract: An air conditioner of present invention comprises a housing having an outer panel forming the exterior and an opening formed on the outer panel, a heat exchanger configured to exchange heat with air flowing into the housing, and a door unit configured to open or close the opening by moving forward or backward from the opening through which the heat exchanged air is discharged. Wherein the door unit comprises a door blade configured to open or close the opening, a door operating part configured to move the door blade forward or backward, and a controller configured to control the air discharged from the opening to be moved forward from the opening in a straight line or to be discharged radially from the opening by controlling a distance between the door blade and the opening.

Abstract: A method for active vibration control of a hybrid electric vehicle may include: selecting a reference angle signal based on position information of a motor or an engine; generating a reference angle based on information of the reference angle signal; setting up a period of fast Fourier transform (FFT) and analyzing the FFT signal; setting up a reference spectrum according to an engine speed and an engine load; extracting a vibration component from each frequency based on information of the reference spectrum; selecting and adding a removal object frequency from the vibration of each frequency and performing inverse FFT; determining a basic amplitude ratio according to the engine speed and the engine load and an adjustable rate according to the engine load; and performing active vibration control of each frequency based on the information of the basic amplitude ratio, the adjustable rate, and the engine torque.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus of controlling a vibration of a hybrid electric vehicle disclosure may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; an SOC detector detecting a state of charge (SOC) of a battery; and a controller. The controller controls the operation of a motor based of the position of the engine, the air amount, the position of the accelerator pedal, the speed of the hybrid electric vehicle, and the SOC of the battery.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; and a controller. The controller controls the operation of a motor based on the position of the engine, the air amount, the position of the accelerator pedal, and the speed of the hybrid electric vehicle.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; and a controller. The controller controls operation of a motor based on the position of the engine, the air amount, the position of the accelerator pedal, and the speed of the hybrid electric vehicle.

Abstract: An auto cruise control method for a hybrid electric vehicle is provided. The auto cruise control method maximizes an effect of enhancing fuel efficiency and simultaneously satisfies enhancement in driveability and fuel efficiency due to the application of a pulse and glide (PnG) pattern obtained by considering the characteristics of the hybrid electric vehicle (HEV). The method includes receiving a target vehicle speed by a driver input to turn on an auto cruise mode and to turn on a pulse and glide (PnG) mode in a hybrid electric vehicle using an engine and a driving motor as vehicle driving sources. One PnG mode among a PnG coast mode, a PnG glide mode, and a PnG cruise control mode are selected from a map based on the target vehicle speed and driving control of the selected PnG mode is then performed.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; an SOC detector detecting a state of charge (SOC) of a battery; and a controller controlling operation of a motor based on the position of the engine, the air amount, the position of the accelerator pedal, the speed of the hybrid electric vehicle, and the SOC of the battery.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; and a controller. The controller controls operation of a motor based on the position of the engine, the air amount, the position of the accelerator pedal, and the speed of the hybrid electric vehicle.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle disclosure may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; and a controller controlling operation of a motor based on the engine position, the air amount, the position of the accelerator pedal, and the speed of the hybrid electric vehicle.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; and a controller. The controller controls operation of a motor based on the position of the engine, the air amount, the position of the accelerator pedal, and the speed of the hybrid electric vehicle.

Abstract: The present disclosure provides an apparatus for controlling distribution of torque of front and rear wheel of a four-wheel drive (4WD) vehicle, including: a slip control torque calculator configured to calculate slip control torque of the rear wheels from information collected from the vehicle during driving in a 4WD mode; a handling control torque calculator configured to calculate handling control torque for the rear wheels from information collected from the vehicle during driving in the 4WD mode; a weighting factor determiner configured to determine a slip control weighting factor and a handling control weighting factor based on vehicle state information; and a target torque calculator configured to calculate target torque of rear wheel by summing the weighting factors applied to the slip control torque and handling control torque, respectively, wherein the target torque of the rear wheel is a target value of the torque distributed to the real wheel.

Abstract: The present disclosure relates to an apparatus and a method for active vibration control of a hybrid electric vehicle.

Abstract: The present disclosure provides an apparatus and a method for active vibration control of a hybrid electric vehicle. In particular, the method may include: detecting an engine speed or a motor speed; selecting a reference angle signal based on the detected; setting up a period of a fast Fourier transform (FFT) and performing FFT of the engine speed or the motor speed for the period of the FFT from the reference angle signal; setting up a reference spectrum; extracting vibration components based on the reference spectrum; summing vibration components to be removed based on the frequencies and performing inverse FFT; determining a basic amplitude ratio based on the engine speed and an engine load and an adjustable ratio based on a SOC; and performing active vibration control of each frequency based on the the basic amplitude ratio, the adjustable ratio and the engine torque.

Abstract: The present disclosure provides an auto cruise control method for hybrid electric vehicles including: turning on an auto cruise mode by setting, by a driver, a target vehicle speed in a hybrid electric vehicle using an engine and a driving motor as vehicle driving sources, and turning on a pulse and glide (PnG) mode, selecting any one of a PnG swing mode and a compromised PnG mode, according to vehicle state information, and executing vehicle control to drive the hybrid electric vehicle in the selected mode.

Abstract: The present disclosure provides a method of determining an optimal operating point of a hybrid electric vehicle. The method includes: determining demand torque, comparing the demand torque and an engine torque reference value obtained from an optimal operating line to determine a determined mode where the determined mode is a charging mode or a discharging mode, determining a plurality of candidate points comprising a combination of an engine operating point satisfying the demand torque and a motor operating point corresponding to the engine operating point in the determined mode, calculating system efficiency during charging using charging efficiency of each candidate point of the plurality of candidate points and discharging efficiency during previous driving when the determined mode is a charging mode, and determining a candidate point with highest system efficiency during charging as an optimal operating point.