Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Hynix Semiconductor Inc.

Sung Deok Kim

Joon Young Park

Jin Kyeom Cho

Sang Joon Kim

Seong Wook Moon

Jee Wook Huh

Jea Mun Lee

Gwang Il Du

Sung Hoon Yu

Jung Min Cha

Hui Un Son

Seong Ik Park

Teh Hwan Cho

Ji Hoon Kang

Sun Young Park

Joonyoung Park

Joo Young Kim

Min Hee Jang

Jin Su Jeong

Tae Kyung Kim

Do Hee Kim

Kyu Hwan Jo

Il Kwon Park

Jun Yong Park

Tae Wook Park

Dong Ho Yang

Yeon Bok Kim

Kyoung Cheol Oh

Joon Shik Park

Song Il Park

Dae Ro Park

Chang Min Lee

Sung Chan Na

Jong Bum Oh

Myung Woo Kim

Ku Young Kang

Jin Uk Jeong

Byeong Hee Yang

Sang Hun Jung

A controlling method for a vehicle which comprises an engine, a driving motor connected with the engine, a first clutch connected between the engine and the driving motor, a start motor connected with the engine, a transmission connected with the driving motor, and a second clutch connected between the driving motor and the transmission, comprises synchronizing speeds of the engine and the driving motor, and adjusting a torque of the start motor to release baulking which occurs while a connection state of the first clutch is switched to another connection state upon the speeds of the engine and the driving motor being synchronized.

Vehicle controlling method, computer readable storing medium with a computer program code stored therein, and vehicle having a controller according to the same

The present disclosure relates to a hybrid electric vehicle configured to respond to a required torque while reducing exhaust gas emission in a situation where catalyst heating of an engine is not completed, and a driving control method for the hybrid electric vehicle. The driving control method of the hybrid electric vehicle comprises entering catalyst heating control of an engine when there is a request for catalyst heating and a required torque exceeds a first threshold during traveling in a first mode using an electric motor as a driving source, and entering acceleration feeling increase control when the required torque exceeds a second threshold greater than the first threshold, in which the second threshold is set between the first threshold and a third threshold that is a reference for an entry into a second mode using the engine as the driving source.

Hybrid electric vehicle and method of driving control for the same

A regenerative braking control system and a regenerative braking control method using a paddle shift of a hybrid vehicle, include a paddle switch including a first paddle shift for a down shift and a second paddle shift for an up shift, a first controller electrically connected to the paddle switch and configured to determine a deceleration control amount of regenerative braking for stopping the vehicle as a hold operation of the first paddle shift is input, and a second controller electrically connected to the first controller and configured to control a motor torque for the regenerative braking according to the deceleration control amount determined from the first controller and to control hydraulic braking of the vehicle to be executed when reaching a stop state of the vehicle.

Regenerative braking control system and method using paddle shift of hybrid vehicle

A hybrid electric vehicle includes a transmission without a reverse gear and a control method thereof. A situation in which a connection between the motor and the engine is stuck is overcome. When a predetermined condition is met, whether or not an engine clutch is in a specific state is determined. A first driving source is disposed on one end of the engine clutch, and a second driving source is disposed on the other end of the engine clutch. When the engine clutch is in the specific state, reverse driving is prevented. A transmission is controlled to be in a neutral position.

Hybrid electric vehicle and control method thereof

Provided are a hybrid electric vehicle and driving mode control method and apparatus for the same. An engine start request is generated by a heating controller of the vehicle. A second time is determined on basis of a first time between the cancellation of a prevent engine start request and the generation of the engine start request. The engine is controlled so that the engine is further maintained in a started state during the second time after the engine start request is cancelled.

Hybrid electric vehicle and driving mode control method and apparatus for same

Proposed is an apparatus, software program, and a corresponding method of controlling driving of an electrified vehicle. The method includes increasing a level of regenerative braking on the basis of a remaining distance from the vehicle to a stop-event point when a brake control mode is entered, determining whether or not braking needs to be performed, on the basis of a stop approval signal when the remaining distance is equal to or less than a preset first distance in the brake control mode, and decreasing the level of regenerative braking when a distance of traveling of the vehicle from the stop-event point is equal or greater than a preset second distance in the brake control mode.

Electrified vehicle and method of controlling driving of same

An embodiment method of controlling traveling of an electrified vehicle equipped with an electric motor as a power source includes determining whether it is possible to enter a variable control function. The variable control function includes a function of variably controlling a coasting torque level using a regenerative braking force. In response to a determination that it is not possible to enter the variable control function, a cause of an inability to enter the variable control function is determined and control is performed in a manner that corresponds to a determination that it is possible to enter the variable control function or the determination of the cause of the inability to enter the variable control function in response to the determination that it is not possible to enter the variable control function.

Vehicle equipped with electric motor and method of controlling traveling of same

An apparatus for controlling engine idling of a hybrid electric vehicle having an engine, an electric motor and a driving motor includes: an engine target speed determination part to determine an engine target speed when an engine idle speed control is requested; an engine target torque determination part to determine an engine target torque when the engine idle speed control is requested; a speed control part to determine a control torque for maintaining an engine speed at a predetermined speed based on a difference value between the engine target speed and an engine actual speed; a power split part to determine an output torque of the electric motor and an engine compensation torque of the engine based the control torque; and a final engine torque determination part to sum the engine compensation torque and the engine target torque to determine a final engine torque.

Apparatus for controlling engine idling of hybrid electric vehicle

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 braking control method thereof are provided. The method includes determining, by a first controller, a total braking amount corresponding to a brake pedal manipulation amount and transmitting a regenerative braking request corresponding to at least a portion of the total braking amount to a second controller. A state of a regenerative braking system having a motor and a battery is determined and a regenerative braking execution amount is calculated by selectively using a first torque corresponding to a torque command transmitted to a third controller to operate the motor based on the regenerative braking request or a second torque measured by the third controller based on the determined state. A braking force of a frictional brake is determined based on the calculated regenerative braking execution amount and the total braking amount.

Hybrid electric vehicle and braking control method thereof

A hybrid electric vehicle and a driving mode control method are provided to prevent overheating of an electric motor. The hybrid electric vehicle is chargeable using external power. The method includes collecting forward driving information when a state of charge of a battery is equal to or greater than a first value and calculating a driving load for each section based on the forward driving information. A risk of overheating of an electric motor is predicted using the calculated driving load. The vehicle is driven in a first mode using drive power of an engine in a section in which the predicted risk of overheating is greater than a second value and in a second mode using drive power of the electric motor in a section in which the predicted risk of overheating is equal to or less than a preset value.

Hybrid electric vehicle and driving mode control method for the same

A vehicle speed-limit control method is provided. The method includes determining whether a speed-limit control inactivation condition is satisfied by accelerator pedal engaged when speed-limit control is activated. In response to determining that the inactivation condition is satisfied, a candidate value of an accelerator pedal sensor (APS) and a candidate gear shift stage are determined and a speed margin is determined based on the candidate value of the APS, the candidate gear shift stage and a vehicle speed. The speed margin is compared with a predetermined threshold. The candidate gear shift stage is determined as a transition gear shift stage and the candidate value of the APS is determined as a transition value of the APS when the speed margin is equal to or greater than the threshold. The vehicle is operated based on the transition gear shift stage and the transition value of the APS.

Vehicle and speed-limit control method therefor

A method of controlling a mode change in a hybrid vehicle for performing a driving-mode change related to a change in the amount of charge of a battery in consideration of catalyst warmup of an engine includes activating adaptive mode change control between a first mode and a second mode, determining whether or not catalyst heating or engine warmup is performed in advance, setting a mode change reference depending on a result of the determining, and performing the adaptive mode change control depending on the set mode change reference.

Hybrid vehicle and method of controlling driving mode therefor

A hybrid electric vehicle which may effectively determine a point in time of shift pattern change and a method of controlling a shift pattern therefor are disclosed. The method includes determining whether or not a request for shift pattern change is received, determining HEV mode related conditions, in response to a determination that the request for shift pattern change is received, and changing a shift pattern according to the request for shift pattern change, in response to a determination that the HEV mode related conditions are satisfied.

Hybrid electric vehicle and method of controlling shift pattern therefor

A system and method of controlling regenerative braking of an eco-friendly vehicle are provided. The system eliminates a motor over-temperature state during regenerative braking, effectively prevents a chattering phenomenon in which regenerative braking torque is repeatedly increased and reduced after the motor over-temperature state, and consequently, improves the braking safety and operability of the vehicle. A torque output rate for motor regenerative braking torque limitation is determined from a current motor load and motor temperature using setting information when a motor over-temperature state is detected. Then, a final regenerative braking torque is determined by multiplying a motor regenerative braking torque, calculated from information including battery chargeable power and a driver braking operation value, by the determined torque output rate. Thereafter, regenerative braking of a motor is adjusted based on the determined final regenerative braking torque.

Growing community of inventors

Gyeonggi-do, South Korea

Sung Deok Kim