Patents by Inventor Jae Chang Kook

Jae Chang Kook has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11529877
    Abstract: A control method of vehicle handling includes determining that a driving state of a vehicle is an understeer state from an electronic stability control, determining a position of an accelerator from an accelerator position sensor in response to determining that the driving state of the vehicle is the understeer state, and controlling a motor torque of a front wheel side of the vehicle to be smaller than a motor torque of a rear wheel side of the vehicle according to the position of the accelerator.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: December 20, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ho Wook Lee, Sangwook Han, Jae Chang Kook
  • Patent number: 11480246
    Abstract: A control device for a multi-stage transmission for an electric vehicle is provided. The control device includes a controller configured to calculate a driving force of a drive motor when entering a shift mode and to determine a shift time point based on the calculated driving force, and the multi-stage transmission configured to perform shifting at the determined shift time point.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: October 25, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Chang Kook, Dong Hoon Jeong, Byeong Wook Jeon, Kwang Hee Park
  • Patent number: 11440419
    Abstract: A method of controlling gear shifting in an electric vehicle includes: determining whether or not an electric vehicle travels in an electric vehicle (EV) traveling mode; determining whether or not kick-down gear shifting is required in the EV traveling mode; determining whether or not acceleration linearity control is possible, in a case where the kick-down gear shifting is required; performing correction of a torque of a motor in a case where the acceleration linearity control is possible; and performing gear shifting in a transmission on the basis of the corrected torque of the motor.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: September 13, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Cheol Ho Jang, Gi Young Kwon, Sang Jun Han, Ji Hyun Park, Jae Yun Jung, Min Su Kim, Jeong Soo Park, Jae Chang Kook, Min Kyu Lee
  • Patent number: 11433907
    Abstract: A personalized driving mode control device is provided. The device includes a controller configured to determine a driver based on identification information of the driver, a memory configured to store driving style information for the driver, and a personalized driving mode controller configured to control a drive mode for the driver depending on the driving style information for the driver, the drive mode configured to be controlled by receiving the driving style information of the driver from an external device when the driving style information is not stored in the memory, wherein the personalized driving mode controller is configured to correct the driving style information depending on a change in vehicle class and control the drive mode based on the corrected driving style information.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: September 6, 2022
    Assignees: Hyundai Motor Company, Kia Motor Corporation
    Inventors: Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook, Kwang Hee Park
  • Patent number: 11434995
    Abstract: An apparatus for controlling a transmission of a vehicle includes a processor configured to identify a location of a speed bump based on collected information about a specified section of a front road and determine whether the vehicle enters a section of the speed bump, and to set an oil pressure of the transmission to a first oil pressure in a normal driving section and set the oil pressure of the transmission to a second oil pressure when the vehicle enters the section of the speed bump, and a controller that controls the oil pressure of the transmission corresponding to a setting of the processor for each driving section of the vehicle.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: September 6, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kwang Hee Park, Sang Jun Park, Seung Jun Shin, Byeong Wook Jeon, Jae Chang Kook
  • Publication number: 20220169122
    Abstract: A method of controlling gear shifting in an electric vehicle includes: determining whether or not an electric vehicle travels in an electric vehicle (EV) traveling mode; determining whether or not kick-down gear shifting is required in the EV traveling mode; determining whether or not acceleration linearity control is possible, in a case where the kick-down gear shifting is required; performing correction of a torque of a motor in a case where the acceleration linearity control is possible; and performing gear shifting in a transmission on the basis of the corrected torque of the motor.
    Type: Application
    Filed: July 1, 2021
    Publication date: June 2, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Cheol Ho JANG, Gi Young KWON, Sang Jun HAN, Ji Hyun PARK, Jae Yun JUNG, Min Su KIM, Jeong Soo PARK, Jae Chang KOOK, Min Kyu LEE
  • Publication number: 20220105811
    Abstract: A control method of vehicle handling includes determining that a driving state of a vehicle is an understeer state from an electronic stability control, determining a position of an accelerator from an accelerator position sensor in response to determining that the driving state of the vehicle is the understeer state, and controlling a motor torque of a front wheel side of the vehicle to be smaller than a motor torque of a rear wheel side of the vehicle according to the position of the accelerator.
    Type: Application
    Filed: March 16, 2021
    Publication date: April 7, 2022
    Inventors: Ho Wook Lee, Sangwook Han, Jae Chang Kook
  • Patent number: 11287031
    Abstract: An apparatus for shift control in a vehicle is provided. The apparatus includes storage configured to store speed profiles corresponding to respective gears of the vehicle for each of a plurality of downhill slopes, and a controller configured to perform the shift control in the vehicle based on the speed profiles, when the vehicle coasts on a downhill road.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: March 29, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook, Kwang Hee Park
  • Patent number: 11268613
    Abstract: An apparatus and a method for controlling a transmission of a vehicle may include a determining device configured to determine whether a curved road is present within a predetermined distance in front of the vehicle, based on information on a front road, a calculating device configured to correct, based on information on a gradient of the curved road, a vehicle speed in starting cornering of the vehicle on the curved road, determine an expected lateral acceleration based on the corrected vehicle speed and information on a curvature of the curved road, and determine a pattern correcting coefficient based on the determined expected lateral acceleration, a pattern correcting device configured to correct a gearshifting pattern of the transmission, which is preset, based on the pattern correcting coefficient, and a control device connected to the determining device, the calculating device and the pattern correcting device and configured to control the transmission based on the corrected gearshifting pattern when t
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: March 8, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kwang Hee Park, Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook
  • Patent number: 11261960
    Abstract: An apparatus and a method for controlling a transmission of a vehicle may include a determining device configured to determine whether to perform a front-vehicle-based deceleration following control based on information on the vehicle and information on the front vehicle when coasting of the vehicle is started, a calculating device configured to determine a target speed of the vehicle and a target distance based on a position, a speed, and a moving distance of the front vehicle, when the front-vehicle-based deceleration following control is determined to be performed, a gearshifting stage deciding device configured to decide a final gearshifting stage of the transmission based on the determined target speed and the target distance by configuring a deceleration profile for each gearshifting stage of the transmission, and a controller to control the transmission based on the final gearshifting stage.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: March 1, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kwang Hee Park, Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook
  • Publication number: 20210372519
    Abstract: An apparatus and a method for controlling a transmission of a vehicle may include a determining device configured to determine whether a curved road is present within a predetermined distance in front of the vehicle, based on information on a front road, a calculating device configured to correct, based on information on a gradient of the curved road, a vehicle speed in starting cornering of the vehicle on the curved road, determine an expected lateral acceleration based on the corrected vehicle speed and information on a curvature of the curved road, and determine a pattern correcting coefficient based on the determined expected lateral acceleration, a pattern correcting device configured to correct a gearshifting pattern of the transmission, which is preset, based on the pattern correcting coefficient, and a control device connected to the determining device, the calculating device and the pattern correcting device and configured to control the transmission based on the corrected gearshifting pattern when t
    Type: Application
    Filed: October 19, 2020
    Publication date: December 2, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kwang Hee PARK, Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook
  • Publication number: 20210372520
    Abstract: An apparatus and a method for controlling a transmission of a vehicle may include a determining device configured to determine whether to perform a front-vehicle-based deceleration following control based on information on the vehicle and information on the front vehicle when coasting of the vehicle is started, a calculating device configured to determine a target speed of the vehicle and a target distance based on a position, a speed, and a moving distance of the front vehicle, when the front-vehicle-based deceleration following control is determined to be performed, a gearshifting stage deciding device configured to decide a final gearshifting stage of the transmission based on the determined target speed and the target distance by configuring a deceleration profile for each gearshifting stage of the transmission, and a controller to control the transmission based on the final gearshifting stage.
    Type: Application
    Filed: October 22, 2020
    Publication date: December 2, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kwang Hee PARK, Byeong Wook JEON, Dong Hoon JEONG, Jae Chang KOOK
  • Patent number: 11143291
    Abstract: An apparatus for controlling transmission of vehicle may include a determining device to determine whether to perform deceleration control, based on the vehicle and a target for the deceleration control in front of the vehicle, a calculating device to sub-divide a distance between a current position of the vehicle and the target for the deceleration control into sections, and calculate a target distance for each section of the plurality of sections and a target speed of the section, based on a current speed of the vehicle and the distance between the current position of the vehicle and the target for the deceleration control, a gearshifting stage deciding device to determine a gearshifting stage for each section of the plurality of sections, based on the calculated target speed and the calculated target distance for the section by configuring a deceleration profile for each gearshifting stage, and a control device to control the transmission for each section based on the gearshifting stage for the section.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: October 12, 2021
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Kwang Hee Park, Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook
  • Patent number: 11046181
    Abstract: An apparatus for controlling a transmission of a vehicle includes: a determination device that decides whether to perform a forward vehicle-based deceleration tracking control, based on information of the vehicle and a forward vehicle, when the vehicle starts to coast; a calculation device that calculates a target velocity and a target distance based on a position and a velocity of the forward vehicle, when the forward vehicle-based deceleration tracking control is decided to be performed; a gear position decision device that constructs deceleration profiles for respective gears and decides a final gear based on the target velocity and the target distance calculated; and a controller that controls the transmission based on the final gear.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: June 29, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook, Kwang Hee Park
  • Publication number: 20210180687
    Abstract: A control device for a multi-stage transmission for an electric vehicle is provided. The control device includes a controller configured to calculate a driving force of a drive motor when entering a shift mode and to determine a shift time point based on the calculated driving force, and the multi-stage transmission configured to perform shifting at the determined shift time point.
    Type: Application
    Filed: July 24, 2020
    Publication date: June 17, 2021
    Inventors: Jae Chang Kook, Dong Hoon Jeong, Byeong Wook Jeon, Kwang Hee Park
  • Publication number: 20210171048
    Abstract: A personalized driving mode control device is provided. The device includes a controller configured to determine a driver based on identification information of the driver, a memory configured to store driving style information for the driver, and a personalized driving mode controller configured to control a drive mode for the driver depending on the driving style information for the driver, the drive mode configured to be controlled by receiving the driving style information of the driver from an external device when the driving style information is not stored in the memory, wherein the personalized driving mode controller is configured to correct the driving style information depending on a change in vehicle class and control the drive mode based on the corrected driving style information.
    Type: Application
    Filed: April 30, 2020
    Publication date: June 10, 2021
    Inventors: Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook, Kwang Hee Park
  • Publication number: 20210172515
    Abstract: An apparatus for shift control in a vehicle is provided. The apparatus includes storage configured to store speed profiles corresponding to respective gears of the vehicle for each of a plurality of downhill slopes, and a controller configured to perform the shift control in the vehicle based on the speed profiles, when the vehicle coasts on a downhill road.
    Type: Application
    Filed: July 24, 2020
    Publication date: June 10, 2021
    Inventors: Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook, Kwang Hee Park
  • Publication number: 20210150108
    Abstract: A method can be used for modeling an automatic transmission using an artificial neural network. The method includes generating the artificial neural network (ANN) by combining a plurality of fully connection neural networks (FCNNs) with a multi-layer recurrent neural network (RNN) and training the artificial neural network using input data and output data of the automatic transmission. The input data might include a preset gear stage, a target gear stage, a current signal of a clutch hydraulic actuator, and an engine torque and the output data might include an engine revolution per minute (RPM), a turbine RPM, a transmission output RPM, and a vehicle acceleration. The trained artificial neural network can be determined as a model of the automatic transmission.
    Type: Application
    Filed: July 31, 2020
    Publication date: May 20, 2021
    Inventors: Dong Hoon Jeong, Byeong Wook Jeon, Jae Chang Kook, Kwang Hee Park
  • Patent number: 10948075
    Abstract: An apparatus and method for controlling a transmission of a vehicle, may include a determination device that determines whether a curve is present within a predetermined distance ahead of the vehicle, based on information regarding a road ahead of the vehicle, a calculation device that determines lateral acceleration of the vehicle based on information regarding the curve and information regarding a state of the vehicle and determines a pattern correction coefficient based on the predicted lateral acceleration, a pattern correction device that corrects a preset gear-shift pattern based on the pattern correction coefficient, and a controller that is configured to control the transmission based on the corrected gear-shift pattern when the vehicle enters the curve.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 16, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kwang Hee Park, Byeong Wook Jeon, Jae Chang Kook, Sang Jun Park
  • Patent number: 10933873
    Abstract: An apparatus for shift control in a vehicle includes: a transmission; an acceleration apparatus; and a control circuit electrically connected with the transmission and the acceleration apparatus. The control circuit shifts the transmission from a drive state to a neutral state when an activation condition for coasting is satisfied during travel of the vehicle, and corrects an oil pressure for release of a clutch in the transmission at the time of a kickdown shift, when a driver's input for kickdown is detected through the acceleration apparatus during the coasting.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: March 2, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sang Jun Park, Byeong Wook Jeon, Kwang Hee Park, Jae Chang Kook