Hyundai Motor Company

Kia Motors Corporation

Yura Corporation Co., Ltd.

Samsung Electronics Co., Ltd.

Posco Led Company Ltd.

Kia Corporation

Il Kwon Park

Yong Kak Choi

In Eok Cho

Hoon Hee Han

Sang Joon Kim

Seong Ik Park

Jinkuk Cho

Dong Jun Shin

Chun Hyuk Lee

Jang Hyo Lee

Kwon Chae Chung

Joonyoung Park

Tae Hong Kim

Young Chul Kim

Min Jae Kim

Jung Park

Sung Deok Kim

Tae Wook Park

Seung Han Lee

Hyong Joon Park

Sang Chan Jeong

Dong Soo Kim

Dong Hee Kim

Kwonchae Chung

Jeamun Lee

Tae Hoon Song

Jong Bum Oh

Yong Hoon Lee

Jae Yun Shim

Jeong Ho Seo

Hyuk Jin Lee

Myoung Kun Roh

Su Woon Lee

Seung Ki Kim

Han Joon Jeon

Dae Heung Lee

WooSuk Choi

Jae Mun Jin

A fuse-integrated electronic component connected to a power supply part includes an outer housing fixed by a first coupling member in a state in which housings are engaged with each other to define an accommodation space and in which an extension part is disposed at one side thereof, an inner body installed in the accommodation space by a second coupling member to define a mounting space, a connector electrically connected to the outer housing so that the extension part is accommodated therein, and a fuse installed in the mounting space to cut off a high voltage output to the connector. The first coupling member is coupled and released between the outer housing and the power supply part so that the first coupling member is released in a state of being separated from the power supply part, to doubly cut off the power when the fuse is replaced.

Electronic part with integrated fuse

A state of charge (SOC) control method for improving fuel efficiency of a hybrid vehicle may include monitoring an SOC of a battery of the vehicle, determining, by a controller, a change rate in SOC reduction based on the monitored SOC, and performing, by the controller, SOC anti-reduction control based on the determined change rate in the SOC reduction.

SOC control method and apparatus for improving fuel efficiency of hybrid vehicle

A method of controlling a hybrid electric vehicle is provided. The method includes determining whether a condition for turning off an engine is satisfied and determining engine clutch disengaging time and residual purge gas consuming time from engine driving status information when the condition is satisfied. Engine clutch-engaged charging control time is determined from the engine clutch disengaging time and the residual purge gas consuming time. The method includes closing a purge control solenoid valve and starting to perform engine clutch-engaged charging control. The engine clutch-engaged charging control is maintained for the determined engine clutch-engaged charging control time and then engine clutch disengaging control is performed for the determined engine clutch disengaging time. The engine is stopped after the engine clutch disengaging control is performed.

Method and system of controlling hybrid electric vehicle for removing residual purge gas

An engine control method for heating of a hybrid electric vehicle, includes collecting information for air conditioning control by a sensor during an operation of a heating, ventilation, and air conditioning (HVAC) device in the hybrid electric vehicle in which forced engine driving for heating is performed, determining whether a condition that requires pre-engine driving as driving in a separate mode from forced engine driving is satisfied based on the collected information, upon determining that the condition that requires the pre-engine driving is required is satisfied, determining whether a condition for allowing the pre-engine driving is satisfied based on engine efficiency and hybrid system efficiency information, and upon determining that the condition for allowing the pre-engine driving is satisfied, performing the pre-engine driving for driving an engine to manage engine coolant temperature.

Engine control method for heating of hybrid electric vehicle

A method for controlling a hybrid vehicle having a motor and an engine includes: calculating a first startup reference value of the engine on the basis of requested power of the hybrid vehicle; measuring a current speed of the hybrid vehicle, and predicting a future speed of the hybrid vehicle; generating a compensation value needed to compensate for the first startup reference value of the engine on the basis of a difference between the current speed and the future speed of the hybrid vehicle; acquiring a second startup reference value of the engine by compensating for the first startup reference value on the basis of the compensation value; and controlling a startup operation of the engine according to the second startup reference value acquired through compensation.

Hybrid vehicle and method for controlling the same

A connecting structure for coupling connectors includes a male connector, and a female connector connected to the male connector. The male connector includes: a base; a first terminal portion provided on an upper surface of the base; and an edge portion protruding from the upper surface of the base to surround the first terminal portion. In particular, the edge portion includes a coupling protrusion protruding from an outer surface of the edge portion. In addition, the female connector includes: a second terminal portion to be connected to the first terminal portion; an inner seal that is provided in the second terminal portion and inserted inside the edge portion; and a casing including an inner space where the second terminal portion is provided, and a coupling groove having a shape corresponding to the coupling protrusion.

Connecting structure of connector

An engine operation control apparatus includes a controller configured to: decide an engine operation time point based on a lookup table in which a learning value that is previously learned is stored when a request to switch to an HEV mode occurs; determine whether to engage an engine clutch by comparing an engine RPM when a speed of an engine is synchronized with a speed of a motor with a first motor RPM; operate the engine at the engine operation time point and control engagement of the engine clutch depending on the determination; and store the engine operation time point based on a second motor RPM at a synchronization completion time point when a learning condition of the engine operation time point is satisfied when the speed of the engine and the motor are synchronized.

Apparatus and method for controlling operation of engine

An engine idle operation control method and system are provided to improve the fuel efficiency of a vehicle through maintenance of efficient battery SOC and charge control during the engine-on for heating of a vehicle. The method includes receiving an engine-on request for heating of the vehicle and determining a road condition. A target charge power is determined and set as a value corresponding to the road condition and battery state information. A basic idle RPM set as a value corresponding to the road condition, the target charge power, and the outdoor temperature is determined. A compensation RPM and a target idle RPM are determined by compensating for the basic idle RPM by the compensation RPM to adjust the engine idle driving into the determined target idle RPM during the heating of the vehicle.

Engine idle operation control method and system for heating of hybrid electric vehicle

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.

Apparatus and method for controlling transmission pattern of hybrid vehicle

A driving mode control method and apparatus of a hybrid electric vehicle are provided. The driving mode control method includes decreasing a torque of an engine when a first driving mode in which both the engine and a first motor are driven is switched to a second driving mode driven by the first motor and applying a torque of a second motor. A clutch is then opened when a difference between the engine torque and the second motor torque is less than a first threshold torque.

Driving mode control method and apparatus of hybrid electric vehicle

An engine control method of a hybrid vehicle for controlling the engine depending on an engine load of the hybrid vehicle includes: learning a change amount of an engine load; determining at least one engine torque depending on a magnitude of the engine load; calculating an optimum torque value by using the learned change amount of the engine load and at least one determined engine torque; and controlling the engine by using the calculated optimum torque value.

Engine control device and method of hybrid vehicle

An apparatus and method for controlling an engine stop of a hybrid electric vehicle provides an efficient torque in the operation of a hybrid starter generator, by applying a torque of a high efficiency point of the hybrid starter generator according to a drop of engine RPM when the engine is stopped, so as to improve fuel efficiency of a vehicle and damping vibration of the vehicle when the engine is stopped, by generating a negative torque on the hybrid starter generator side in accordance with the drop of the engine RPM when the engine is stopped, and by applying a torque of the point that gives the maximum charging power of the battery through the generated negative torque.

Apparatus and method for controlling engine stop of hybrid electric vehicle

An engine clutch control apparatus of a hybrid vehicle is provided. The apparatus includes an engine clutch that is disposed between an engine and a drive motor to selectively connect the engine and the drive motor and an integrated starter-generator that is connected with the engine to start the engine or to generate electricity. A vehicle controller releases or couples the engine clutch to implement a driving mode and determines a chargeable torque and an engine target estimation torque based on a generator rotation speed of the integrated starter-generator. An engine target torque and a charge torque are set based on the chargeable torque and a clutch input torque is generated using at least one of the engine target torque, an engine friction torque, and the charge torque. The engine clutch is then released when the clutch input torque is less than a reference value.

Apparatus and method for controlling engine clutch of hybrid vehicle

An apparatus for controlling an engine clutch of a hybrid vehicle includes an engine for providing driving power of the vehicle through combustion of a fuel, a motor for providing driving power of the vehicle by electric energy, a battery connected to the motor, and providing electric energy to the motor, an engine clutch for selectively connecting the engine and a driving shaft, and a control unit for measuring a real-time engine torque, revising a predetermined release delay time of the engine clutch according to a change rate of the real-time engine torque, and maintaining a lock-up of the engine clutch for the revised release delay time of the engine clutch when a hybrid travelling mode is switched to an electric travelling mode.

A driving control method for a hybrid vehicle has state of charge (SOC) ranges including a high SOC range, an intermediate SOC range and a low SOC range, and a plurality of power distribution strategies corresponding to the respective SOC ranges. The driving control method controls the hybrid vehicle using a power distribution strategy corresponding to an SOC range to which a current SOC of the hybrid vehicle belongs. When a speed of the hybrid vehicle is high or low and is outside a predetermined range, boundary values of the intermediate SOC range and the low SOC range among the SOC ranges are increased.

Growing community of inventors

Seoul, South Korea

Il Kwon Park