Hyundai Motor Company

Kia Motors Corporation

Samsung Electronics Co., Ltd.

Kia Corporation

Sk Telecom Company, Ltd.

Tae Wook Park

Joon Young Park

Jin Kyeom Cho

Yeon Bok Kim

Tae Hoon Lee

Yong Kak Choi

Seong Wook Moon

Hyung Bin Ihm

Jeongeun Kim

Hui Un Son

Sang Yun Lee

Woo Sup Han

Ji Hoon Kang

Sung Deok Kim

Kyu Hwan Jo

Chun Hyuk Lee

Il Kwon Park

Young Joon Chang

Chan Hee Won

Ki Mun Kim

Chan Ho Lee

Hee Hyeok Hahm

Jae Geun Lee

Myung Woo Kim

A method includes switching a vehicle to a 4WD state by connecting a disconnector, maintaining the disconnector in the connected state for a predetermined maintenance time, determining whether a condition to be switched to a 2WD state is satisfied when the predetermined maintenance time period elapses, and disconnecting the disconnector when the condition to be switched to the 2WD state is satisfied.

Method of controlling disconnector for vehicle

An emergency braking function control method of a vehicle includes detecting an obstacle ahead of the vehicle, the vehicle being in a state of being travelable in a forward direction using power of a power source, in response to the detecting, determining a first steering angle and a second steering angle, the first steering angle being a maximum steering angle at which the vehicle collides with the obstacle and the second steering angle being a steering angle at which the vehicle turns while maintaining a minimum safe distance from the obstacle, the first and second steering angles being determined based on a distance to the obstacle, a heading of the obstacle, and an input steering angle, and determining whether to change an emergency braking function based on the input steering angle, the first steering angle, or the second steering angle.

Vehicle and method of controlling the same

A method of controlling an electrified vehicle to prevent a collision thereof includes: determining whether an accelerator pedal is erroneously operated in the situation in which an obstacle is detected to be present in a traveling path; and when it is determined that the accelerator pedal is erroneously operated, performing braking control such that at least one of hydraulic braking or regenerative braking is selectively performed in a plurality of braking sections determined based on a current vehicle speed and a distance to the obstacle.

Vehicle having motor and method of controlling the same to prevent collision thereof

A hybrid electric vehicle and a method of controlling the same are provided to avoid a collision thereof attributable to erroneous operation of an accelerator pedal. The method includes determining whether an accelerator pedal is erroneously operated in the situation in which an obstacle is detected to be present in the traveling path. In response to determining that the accelerator pedal is erroneously operated, the method includes switching the driving mode to a mode in which an engine is disconnected from a driving shaft and a motor generates driving force. The number of revolutions per minute (RPM) of the engine is then adjusted based on the extent to which the accelerator pedal is operated and the torque of the motor is adjusted based on a first vehicle speed and the distance to the obstacle.

Hybrid electric vehicle and method of controlling the same to avoid collision thereof

A method of controlling creep torque of a vehicle being provided with an Auto Hold function, includes: a brake detection step for detecting a brake signal of the vehicle; a braking step for activating a brake force and reducing creep torque according to the brake signal; a start detection step for detecting a start signal of the vehicle after the vehicle is stopped; and a starting step for deactivating the brake force and increasing the creep torque according to the start signal.

Control method and system for creep torque of vehicle

An X-ray detection module, an X-ray imaging apparatus, and a control method of an X-ray imaging apparatus include a movable X-ray irradiation module to irradiate an object with X-rays, an X-ray detection module including a movable X-ray detector to detect X-rays from the X-ray irradiation module, and a touch sensor device installed to the X-ray detection module and located in a movement direction of the X-ray detector to sense touch. If the touch sensor device senses a touch, at least one of the X-ray irradiation module and the X-ray detector is moved to a position where the touch is sensed.

X-ray detection table, X-ray imaging apparatus, and control method of X-ray imaging apparatus

The present invention relates to an anti-jerk control apparatus and method for an Hybrid Electric Vehicle (HEV). The anti-jerk control apparatus includes a model speed calculation unit for calculating a model speed of the motor in a state in which a vibration of a drive shaft is not considered. A vibration occurrence determination unit detects a speed vibration component while calculating a reference speed difference and an average speed difference from differences between the model speed and an actual speed of the motor, thus determining whether a vibration occurs on the drive shaft. A torque correction value calculation unit calculates a motor torque correction value for anti-jerk required to damp the vibration of the drive shaft, and controls torque of the motor if the vibration occurrence determination unit determines that the vibration occurs on the drive shaft.

Anti-jerk control apparatus and method for hybrid electric vehicle

An engine operation control system and method of an eco-friendly vehicle are provided to achieve optimal engine operating efficiency by changing a region for using an engine operating point based on a battery state of charge (SOC) region and a driver requirement torque. The system and method satisfy a driver requirement torque and achieve defense of battery state of charge (SOC) and optimal engine operating efficiency by changing an engine operating point based on a battery state of charge (SOC) and a driver requirement torque to an engine operating point where a battery discharge amount is minimized and a battery charging amount is maximized.

Engine operation control system and method of eco-friendly vehicle

A system and a method that control warm-up of clutch fluid in a hybrid electric vehicle. The hybrid electric vehicle includes a clutch that controls power delivery between an engine and a motor and an oil pump that is operated by the motor and generates hydraulic oil pressure operating the clutch. The method includes determining, by a controller, whether delivery of power from the engine and motor in a transmission is cut and detecting temperature of the fluid using an oil temperature detector. In addition, the motor is maintained by the controller at a predetermined target speed to operate the oil pump connected to the motor when the detected temperature of the fluid is equal to or less than a predetermined temperature, wherein the predetermined target speed is a motor speed at which sufficient pressure for flowing the fluid is generated in the oil pump operating with the motor.

Method and system for controlling warm-up of clutch fluid in hybrid electrical vehicle

A method and a system for controlling acceleration torque of a hybrid vehicle that can give sufficient acceleration without imposing burden on a battery by changing a maximum torque of a vehicle according to environmental variables are disclosed. The method sets a creep torque as a minimum torque; calculates a maximum torque that can be output from an engine considering of engine environmental variables; calculates a maximum torque that can be output from a motor considering of motor environmental variables; calculating maximum torque of the vehicle by adding up the maximum torque that can be output from the engine and the maximum torque that can be output from the motor; and calculates acceleration torque by using a position of an accelerator pedal, the minimum torque, and the maximum torque of the vehicle.

Method and system for controlling acceleration torque of hybrid vehicle

Provided is a method and a system for controlling engine start of a hybrid vehicle based on acceleration demanded power of a driver. More specifically, a variance of an output signal of an accelerator pedal sensor (APS) senses manipulation of an accelerator pedal reflecting an acceleration demand of a driver. When the variance of the output signal of the accelerator pedal sensor is a positive threshold value, acceleration demanded power corresponding to the output signal of the accelerator pedal sensor is calculated in a section in which the variance is positive and the calculated acceleration demanded power is accumulated. The accumulated acceleration demanded power is then compared with a set power value, and the engine is started to switch from the EV mode to the HEV mode when the accumulated acceleration demanded power is equal to or greater than the set power value.

Method and system for controlling engine start of hybrid vehicle

A control method and system for limiting a maximum speed of an engine and a motor of a hybrid vehicle that includes an engine clutch configured to control power transmission between the engine and the motor. The control method includes determining whether speed of the engine exceeds a predetermined maximum engine speed, determining whether speed of the motor exceeds a predetermined maximum motor speed, limiting the speed of the engine based on a predetermined engine torque profile when the speed of the engine exceeds the predetermined maximum engine speed, and limiting the speed of the motor based on a predetermined motor torque profile when the speed of the engine exceeds the predetermined maximum engine speed.

Control method and system for limiting maximum speed of engine and motor of hybrid vehicle

Anti-jerk control apparatus and method for Hybrid Electric Vehicle

A method for idle charging of a hybrid vehicle according to an exemplary embodiment of the present invention may include: detecting an SOC of a battery and entering times to an idle charge control state; changing an entering point and a releasing point of the idle charge control according to a number of entering times to the idle charge control state for a predetermined period; performing idle charging by forcibly starting an engine when the SOC of the battery reaches the entering point of the idle charge control; and stopping the engine when the SOC of the battery reaches the releasing point of the idle charge control state as the idle charge is performed.

System and method for idle charge of hybrid vehicle

The present invention provides a method for reducing the vibration caused by gear backlash in a drive system for a hybrid vehicle, where the method can preferably reduce backlash vibration caused by gear elements between a motor and driving wheels when the hybrid vehicle is driven by the motor.

Growing community of inventors

Seoul, South Korea

Tae Wook Park