Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Yong Hoon Lee

Jee Wook Huh

Chun Hyuk Lee

Dong Jun Shin

Seong Ik Park

Jung Park

Il Kwon Park

Joon Shik Park

Jang Hyo Lee

Hyun Woo Lim

In Eok Cho

Sung Chan Na

Dong Jin Sohn

Ku Young Kang

A braking control method of an electrified vehicle provided with an electric motor as a driving source may include the steps of starting regenerative braking when a required braking amount is obtained; determining a minimum transition time which is a minimum time required for braking transition from the regenerative braking to hydraulic braking according to a maximum response slope of a hydraulic braking device of the vehicle; determining braking deceleration according to the required braking amount and a road surface condition; determining a start vehicle speed of the braking transition according to the minimum transition time, the braking deceleration, and an end vehicle speed of the braking transition; and starting the braking transition upon determining that the start vehicle speed of the braking transition is reached during the regenerative braking.

Vehicle equipped with electric motor and method of controlling regenerative braking for the same

A method of controlling a hybrid electric vehicle including an engine and a first motor connected to main drive wheels and a second motor connected to auxiliary drive wheels includes determining a required torque, in response to a predetermined condition being satisfied, determining a first torque that the second motor is to continuously output based on the required torque and a vehicle speed and determining a second torque that the second motor is to discontinuously output in order to compensate for acceleration loss in a situation in which the acceleration loss occurs based on a state of an engine clutch disposed between the engine and the first motor, a state of a transmission, or the required torque, and determining a final torque of the second motor based on the first and second torques.

Hybrid electric vehicle and method of controlling the same

A method for providing the engine oil usage information may include determining, by a controller, a current engine driving state out of a plurality of predetermined driving states of an engine of the hybrid electric vehicle from driving information, determining, by the controller, a real-time cumulative distance value corresponding to the determined current engine driving state, updating, by the controller, an oil usage distance using the real-time cumulative distance value, determining, by the controller, an engine oil change time by comparing the updated oil usage distance with a predetermined engine oil change distance, and informing, by the controller, information related to the determined engine oil change time through a notification unit.

Method for providing engine oil usage information of hybrid electric vehicle

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

The present disclosure relates to an apparatus for controlling charging of an environment-friendly vehicle. The apparatus includes a high-voltage battery SOC determining unit configured to determine a state of charge (SOC) of a high-voltage battery that is a main power source, an auxiliary battery SOC determining unit configured to determine an SOC of an auxiliary battery that assists power of the high-voltage battery, and an auxiliary battery charging control unit configured to, when receiving a request for an operation of an engine for controlling heating, perform a control such that the auxiliary battery is charged by using the high-voltage battery.

Apparatus for controlling charging of environment-friendly vehicle, system including the same, and method thereof

Growing community of inventors

Incheon, South Korea

Yong Hoon Lee