Hyundai Motor Company

Kia Motors Corporation

Hyundai Mobis Co., Ltd.

Kia Corporation

Industrial Cooperation Foundation Chonbuk National University

Chonbuk National University Hospital

Sungwon Medical Co., Ltd.

Jun Sung Park

Jaebin Lee

Jin Ha Lee

Ho Young Kim

Hyokyung Lee

Chan Hee Won

Sangmin Lee

Jin Woo Park

Tae Won Hwang

Hyung Hee Lee

Woo Il Chang

Gyeong Hwi Min

Jin Hee Jeon

Hae Kwon Park

Sang-Min Lee

Young Kwang Kim

Kyung Ryul Park

Byeung Su Kim

Kyung Eup Kim

Jong Kwan Park

Sung Hwa Jeong

Mun Hyoung Yoon

Jae Bin Lee

Proposed is a road slope estimation method for a vehicle. The method includes: calculating, by a controller, a basic slope based on an output value of an acceleration sensor of the vehicle; calculating, by the controller, an acceleration/deceleration correction value from an acceleration/deceleration correction map; and calculating, by the controller, a turning correction value from a turning correction map. The method further includes: calculating, by the controller, a final slope based on the basic slope, the acceleration/deceleration correction value, and the turning correction value; and controlling the vehicle based on the final slope.

Road slope estimation method for a vehicle

A method of controlling an engine and a transmission of a vehicle, which is a hybrid vehicle, includes the following steps that are carried out by a controller: determining whether the vehicle is under NCC (Neutral Coasting Control), determining whether an engine RPM reaches an engine RPM control point if it is determined that the NCC is in effect, determining an RPM and a gear stage of a vehicle transmission if it is determined that the engine RPM has reached the engine RPM control point, determining an engine target RPM of the vehicle, determining whether the engine RPM has reached a mild hybrid starter & generator (MHSG) control point, and controlling the MHSG according to a condition if it is determined that the engine RPM has reached the MHSG control point.

Method of controlling engine and transmission of hybrid vehicle

An airbag device of a vehicle and a control method thereof. The airbag device of a vehicle includes a detection unit configured to detect collision information of a vehicle and seating state information of an occupant, an airbag unit including a plurality of airbag modules, each of the airbag modules being configured to be inflated from a contracted state as working gas is supplied and to be restored to the contracted state as the working gas is discharged, a valve unit configured to regulate the working gas supplied to the airbag unit, and a control unit configured to determine a hitting position based on the collision information and the seating state information, and to control the valve unit to supply the working gas to a target airbag module installed at the hitting position, thereby inflating the target airbag module.

Airbag device of vehicle and control method thereof

A method for calculating running resistance of a vehicle includes: calculating, by a controller, an integrated value obtained by integrating a torque of a driving source of the vehicle before the vehicle reaches a reference speed after the vehicle starts; and calculating, by the controller, the running resistance of the vehicle including rolling resistance based on the integrated value of the torque of the driving source.

Method and device for calculating running resistance of vehicle

An apparatus for purifying exhaust gas includes an engine for producing power by burning a mixture of air and fuel, and discharging exhaust gas generated in a combustion process to the outside through an exhaust pipe; a first three-way catalyst (TWC) and a second three-way catalyst which are sequentially mounted on the exhaust pipe at a rear end of the engine, and convert noxious gas including carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxide (NO) contained in the exhaust gas into harmless components through an oxidation-reduction reaction; and an electrically heated catalyst (EHC) mounted between the first three-way catalyst and the second three-way catalyst and heated by application of electric power to transfer heat to the first three-way catalyst and the second three-way catalyst to cause the first three-way catalyst and the second three-way catalyst to reach a catalyst activation temperature.

Apparatus for purifying exhaust gas

A method of controlling an engine and a transmission of a vehicle includes: determining, by a controller, whether the engine is restarted after releasing the vehicle's SSC (Start & Stop coasting) or whether the vehicle is accelerating during NCC (Neutral Coasting control), determining an RPM and gear stage of the transmission if it is determined that the engine is restarted after releasing the vehicle's SSC or the vehicle is accelerating during NCC, determining a mild hybrid starter and generator (MHSG) target RPM and an MHSG target RPM gradient of the vehicle, performing, by the controller, MHSG RPM control of the vehicle to follow the MHSG target RPM and the MHSG target RPM gradient, determining whether the MHSG RPM slips compared to the MHSG target RPM, and performing proportional-integral-derivative (PID) control to follow the MHSG target RPM if the MHSG RPM slips compared to the MHSG target RPM.

A method of controlling an engine and a transmission of a hybrid vehicle includes steps of: determining whether the vehicle starts, determining an engine RPM and a gear stage of a transmission if the vehicle has started, determining whether the engine RPM has reached an engine speed control point, determining an engine target RPM and an engine target RPM slope of the vehicle when it is determined that the engine RPM has reached the engine speed control point, controlling the engine RPM of the vehicle to follow the engine target RPM and the engine target RPM slope, determining whether the engine RPM has slipped compared to the target engine RPM, and performing PID control to follow the engine target RPM if the engine RPM slips compared to the engine target RPM.

An apparatus for adjusting a height of a vehicle including a vehicle height adjustment unit configured to adjust a height of the vehicle; a hydraulic pressure supply unit configured to supply a hydraulic pressure supplied to a caliper from a braking device for braking of the vehicle to the vehicle height adjustment unit; and a control unit configured to control a hydraulic pressure supplied to the vehicle height adjustment unit from the braking device, by controlling the hydraulic pressure supply unit depending on whether a predetermined vehicle height adjustment condition is satisfied.

Apparatus and method for adjusting height of vehicle

A method for controlling an exhaust gas purification apparatus including a front three-way catalyst (TWC) and a rear TWC that purify the exhaust gas may include determining an oxygen flow rate and a flow rate of a reducing agent introduced into the front TWC, determining the oxygen storage amount of the front TWC based on the oxygen flow rate and the flow rate of the reducing agent flowing into the front TWC, determining a maximum oxygen storage amount of the front TWC, determining a slip oxygen flow rate and a slip reducing agent flow rate of the front TWC, determining an oxygen storage amount of the rear TWC, comparing a rear TWC oxygen storage amount and a target value of the rear TWC oxygen storage amount, and maintaining a catalyst purge of the front TWC when the rear TWC oxygen storage amount is greater than the target value of the rear TWC oxygen storage amount.

Exhaust gas purification apparatus and method for controlling the same

A powertrain control method for a vehicle may include: setting, by a controller, a Noise Vibration Harshness (NVH) characteristic map based on an engine operating point to be used for a control of a powertrain based on a gradient of a road on which the vehicle is running; determining, by the controller, whether the vehicle is shifting; and selecting and performing, by the controller, at least one of a release of a lock-up state of a damper clutch or an additional rise of an engine torque based on whether a current engine operating point belongs to any level among a plurality of NVH levels classified in the NVH characteristic map when the vehicle is not shifting.

Powertrain control method for vehicle

An apparatus for purifying exhaust gas includes: an engine; an exhaust gas air-fuel ratio adjustor for adjusting an air-fuel ratio of the exhaust gas; a lean NOtrap (LNT) mounted on the exhaust pipe and generating ammonia or reducing nitrogen oxides or desorbed nitrogen oxides contained in the exhaust gas using a reducing agent including carbon monoxide, hydrocarbon, or hydrogen contained in the exhaust gas; a three way catalyst (TWC) mounted on the exhaust pipe at a rear end of the LNT, and converting noxious gas in the exhaust gas into harmless components through a redox reaction; and a controller controlling the air-fuel ratio of the exhaust gas to a stoichiometric air-fuel ratio when the nitrogen oxide storage or purification performance of the LNT is in the operating period of the engine less than a predetermined level.

A clutch apparatus for a stabilizer may include: an inner race fixed to a first transmission bar, with a first guide recess part formed in a longitudinal direction in an outer surface of the first transmission bar; a housing fixed to a second transmission bar and installed in a shape enclosing the outer surface of the inner race, with a second guide recess part formed in the housing at a position facing the first guide recess part; a ball disposed between the inner race and the housing and having opposite sides respectively inserted into and retained in the first guide recess part and the second guide recess part; and a driver disposed inside the housing and configured to move the ball along the first guide recess part and the second groove and control power transmission between the inner race and the housing.

Clutch apparatus for stabilizer

A method of controlling driving of a CVT vehicle during cornering performed by a controller, may include determining whether it is necessary to perform an auxiliary control process to enhance a re-acceleration response after entering the corner, by determining a travelling state of the vehicle; setting a target gear ratio instead of a gear ratio obtained based on a shift pattern when the determining produces an affirmative result indicating that it is necessary to perform the auxiliary control process; and performing gear shifting of a CVT to follow the target gear ratio set in the setting of the gear ratio.

Method of controlling driving of CVT vehicle during cornering

The present invention relates to a guiding needle for a suction tube, which is for increasing accuracy and preventing medical accidents by enabling an operator to accurately recognize the bent direction of the needle and to stably hold the needle by means of a handle portion formed inside the rear end of the needle connected to a tube or by means of a separate fixing handle coupled to the inside of the rear end of the needle. In other words, the present invention relates to a needle having the rear end thereof coupled to one end of a tube connected to a drainage container for discharging body blood of a patient, wherein the needle has a coupling part formed inside the rear end thereof and comprises a fixing handle detachably coupled to the coupling part.

Guiding needle for suction tube

Provided is a stabilizer capable of improving ride quality and adjustment stability. To this end, the automobile according to the exemplary embodiment of the present invention includes: an actuator; a first stabilizer bar which has one end coupled to one end of the actuator; a second stabilizer bar which has one end coupled to the other end of the actuator; and a decoupler which couples at least one of one end of the first stabilizer bar and one end of the second stabilizer bar to the actuator.

Growing community of inventors

Yongin-si, South Korea

Jun Sung Park