Patents by Inventor Sung-Hoon Yu

Sung-Hoon Yu 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: 11407393
    Abstract: A vehicle driving control method depending on a baby mode, may include, when the baby mode is activated, receiving information on a state of a vehicle seat, correcting a center state of charge (SOC) value of a battery of the vehicle based on the information on the state of the vehicle seat, determining a state of a transmission of the vehicle, and performing regenerative brake and brake pedal stroke (BPS) scale/filtering correction control or an electric vehicle (EV) mode and accelerator position sensor (APS) scale/filtering correction control based on the state of the transmission of the vehicle and the state of the vehicle seat.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: August 9, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hui Un Son, Sang Joon Kim, Sung Hoon Yu, Joo Young Kim, Kyu Hwan Jo
  • Patent number: 11367905
    Abstract: The present invention relates to a method of preparing a secondary battery which includes providing a film layer, which includes a first solvent having a melting temperature of 25° C. or more and a viscosity of 1.5 cP or more, between a separator and an electrode (step 1), preparing an electrode assembly by using the electrode, the film layer, and the separator (step 2), and accommodating the electrode assembly in a case, injecting an injection solution including a second solvent, and sealing the case (step 3), and a secondary battery prepared by the method. According to the method of preparing a secondary battery of the preset invention, since electrolyte solution impregnability may be improved, performance and safety of the secondary battery may be further improved.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: June 21, 2022
    Inventor: Sung Hoon Yu
  • Publication number: 20220089036
    Abstract: A method of controlling stability of a motorized vehicle having an electric motor as a drive source includes determining a slope of a road ahead, when sensing a sudden slope change point as a result of determination, determining a correction section based on the sudden slope change point, and correcting stability control torque in the correction section to compensate for motion of the vehicle body due to a change in the slope of the road using a pitching motion of the vehicle body caused by the torque of the electric motor.
    Type: Application
    Filed: August 27, 2021
    Publication date: March 24, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Hui Un SON, Jea Mun LEE, Jae Young PARK, Young Eun KIM, Sang Joon KIM, Sung Hoon YU
  • Publication number: 20220077525
    Abstract: A lithium secondary battery case composed of laminate sheet including an outer layer/barrier layer/inner layer structure is provided. The case includes a first region in which gas discharge is easier or expansion is relatively easier compared to a second region. The second region is a remaining region that excludes the first region. The laminate sheet forms the first region by either not including the barrier layer or including a barrier layer having a slit therein.
    Type: Application
    Filed: October 19, 2020
    Publication date: March 10, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Sung Hoon YU
  • Publication number: 20220063589
    Abstract: Disclosed are a vehicle including an electric motor and a method of controlling the same for providing a notification function to an occupant of the vehicle by controlling a pitching motion of a vehicle body. The method includes calculating a first torque value for providing the pitching motion based on driving state information including a vehicle speed, a driving mode, and an environment of a driving road; calculating a second torque value based on a request of a driver; and calculating a final torque value for controlling the electric motor based on the first torque value and the second torque value.
    Type: Application
    Filed: July 13, 2021
    Publication date: March 3, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Hui Un SON, Joo Young KIM, Sang Joon KIM, Jea Mun LEE, Sung Hoon YU, Joon Young PARK, Kyu Hwan JO
  • Publication number: 20220032911
    Abstract: A turning control system of a vehicle includes: a database storing road information; a sensor part to detect a steering angle of a vehicle, a wheel speed of the vehicle, whether the vehicle is accelerated, whether the vehicle is braking, and whether a speed gear of the vehicle is shifted; and a controller that determines whether the vehicle enters a turning section based on one or more pieces of the information detected by the sensor part and the road information stored in the database. In particular, when the vehicle is entering the turning section, the controller sets a target speed of the vehicle and controls a speed of the vehicle to be decelerated to the set target speed.
    Type: Application
    Filed: November 20, 2020
    Publication date: February 3, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sang Joon KIM, Jea Mun LEE, Jae Young PARK, Hui Un SON, Young Eun KIM, Joon Young PARK, Sung Hoon YU
  • Publication number: 20220024447
    Abstract: A turning control system for a vehicle having a driving motor to generate driving power may include: an error calculation unit that calculates an error between a lateral acceleration of the vehicle and a reference lateral acceleration; and a reduction torque calculation unit that calculates a torque reduction of the driving motor in order to reduce the error calculated by the error calculation unit.
    Type: Application
    Filed: November 23, 2020
    Publication date: January 27, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sang Joon KIM, Jae Young PARK, Hui Un SON, Young Eun KIM, Jea Mun LEE, Sung Hoon YU
  • Publication number: 20210402977
    Abstract: A system and a method are configured to control a traction force of a vehicle, for example, an electrified vehicle. The system includes wheel speed sensors mounted on drive wheels, respectively, of the vehicle to measure a drive wheel speed, a disturbance observer for extracting a primary disturbance by comparing an actual vehicle behavior based on a required torque with a vehicle behavior estimated based on the drive wheel speed using a vehicle behavior model in an acceleration situation of the vehicle, a filter for extracting a secondary disturbance in a preset frequency range from the primary disturbance, a compensator for calculating a compensation torque for cancelling the secondary disturbance, a hysteresis circuit for determining whether to compensate for the required torque based on the compensation torque, and a calculator for calculating a compensated required torque using the required torque and the compensation torque.
    Type: Application
    Filed: November 30, 2020
    Publication date: December 30, 2021
    Inventors: Sang Joon Kim, Sung Hoon Yu
  • Publication number: 20210399345
    Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to a non-aqueous electrolyte solution for a lithium secondary battery which includes a fluorine-containing compound capable of forming a stable film on the surface of an electrode as an additive, and a lithium secondary battery including the same.
    Type: Application
    Filed: August 31, 2021
    Publication date: December 23, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Sung Hoon Yu, Yoo Sun Kang
  • Publication number: 20210394823
    Abstract: A vehicle and a method of controlling turning thereof are provided. The turning control method of a vehicle includes calculating first compensation torque based on a lateral acceleration variation during turning, determining first compensated demanded torque by applying the first compensation torque to demanded torque, determining second compensation torque for preventing wheel slip of a driving wheel based on the first compensated demanded torque and an actual vehicle behavior, and determining second compensated demanded torque input to a driving source controller by applying the second compensation torque to the first compensated demanded torque.
    Type: Application
    Filed: November 18, 2020
    Publication date: December 23, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sang Joon KIM, Young Eun KIM, Hui Un SON, Jea Mun LEE, Sung Hoon YU
  • Publication number: 20210370909
    Abstract: 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.
    Type: Application
    Filed: December 29, 2020
    Publication date: December 2, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sang Joon KIM, Hui Un SON, Sung Deok KIM, Sung Hoon YU, Joo Young KIM, Kyu Hwan JO
  • Patent number: 11183711
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In an embodiment, the electrolyte solution includes a lithium salt, an organic solvent, a compound represented by Formula 1 as a first additive, lithium difluorophosphate (LiDFP) as a second additive, wherein the first additive and the second additive are each independently included in an amount of 0.01 wt % to 8.5 wt % based on a total amount of the non-aqueous electrolyte solution. The first additive has metal ion adsorbability and is capable of forming a stable ion conductive film on the surface of an electrode, and a lithium secondary battery in which an abnormal voltage drop phenomenon is improved by including the same.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: November 23, 2021
    Inventors: Sung Hoon Yu, Chul Haeng Lee, Hyun Seung Kim
  • Publication number: 20210354621
    Abstract: A vehicle including an electric motor has improved operating performance of a brake lamp using regenerative braking. A method of controlling a brake lamp of the vehicle includes determining a tendency of a driver, calculating a corrected mass based on the determined tendency of the driver, and calculating corrected acceleration based on the corrected mass and regenerative braking torque of the electric motor. An on threshold is corrected based on a difference between a requested torque and the regenerative braking torque at a time at which an accelerator pedal is released, and the brake lamp is turned on based on the corrected on threshold and the corrected acceleration.
    Type: Application
    Filed: December 2, 2020
    Publication date: November 18, 2021
    Inventors: Hui Un Son, Sang Joon Kim, Sung Hoon Yu, Joo Young Kim, Kyu Hwan Jo
  • Publication number: 20210309196
    Abstract: A vehicle driving control method depending on a baby mode, may include, when the baby mode is activated, receiving information on a state of a vehicle seat, correcting a center state of charge (SOC) value of a battery of the vehicle based on the information on the state of the vehicle seat, determining a state of a transmission of the vehicle, and performing regenerative brake and brake pedal stroke (BPS) scale/filtering correction control or an electric vehicle (EV) mode and accelerator position sensor (APS) scale/filtering correction control based on the state of the transmission of the vehicle and the state of the vehicle seat.
    Type: Application
    Filed: July 13, 2020
    Publication date: October 7, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hui Un SON, Sang Joon KIM, Sung Hoon YU, Joo Young KIM, Kyu Hwan JO
  • Patent number: 11139506
    Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to a non-aqueous electrolyte solution for a lithium secondary battery which includes a fluorine-containing compound capable of forming a stable film on the surface of an electrode as an additive, and a lithium secondary battery including the same.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: October 5, 2021
    Inventors: Sung Hoon Yu, Yoo Sun Kang
  • Patent number: 11121404
    Abstract: The present disclosure relates to a gel polymer electrolyte including an imide salt, and a lithium secondary battery including the same and having a protective film formed on a cathode tab. Disclosed are a gel polymer electrolyte that allows the production of a secondary battery having excellent quality with no corrosion of a cathode, while using, as an electrolyte, an imide-based salt effective for improvement of output quality and high-temperature storability, as well as a secondary battery including the same.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: September 14, 2021
    Inventors: Sung Hoon Yu, Kyung Mi Lee, Yoo Sun Kang, Jung Hoon Lee, Doo Kyung Yang
  • Patent number: 11081729
    Abstract: The present invention relates to a non-aqueous electrolyte solution additive, and a non-aqueous electrolyte solution for a lithium-ion battery and a lithium-ion battery which include the same, and particularly, to a non-aqueous electrolyte solution, which may remove an acid generated by the decomposition of a lithium salt while being able to suppress the dissolution of metal impurities causing failure in the battery by using and including a Lewis base compound containing a propargyl group as a non-aqueous electrolyte solution additive for a lithium-ion battery, and a lithium secondary battery in which transition metal dissolution in a positive electrode and a low-voltage phenomenon are improved.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 3, 2021
    Inventors: Hyun Seung Kim, Sung Hoon Yu, Jeong Woo Oh, Chul Haeng Lee
  • Patent number: 11081728
    Abstract: The present invention relates to a non-aqueous electrolyte solution additive, and a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery which include the same, and particularly, to a non-aqueous electrolyte solution additive including a compound based on a cyclic sulfur structure, and a secondary battery in which low-voltage failure due to metal dissolution may be improved by including the same.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 3, 2021
    Inventors: Hyun Seung Kim, Sung Hoon Yu
  • Publication number: 20210210802
    Abstract: The present invention relates to a method for activating a secondary battery. The present invention comprises: a primary charging step of charging a secondary battery including a positive electrode, a negative electrode, a separator, and an electrolyte; a room temperature-aging step of storing, at a room temperature, the secondary battery that has undergone the primary charging step; and a high temperature-aging step of storing, at a high temperature, the secondary battery that has undergone the room temperature-aging step, wherein charging/discharging is performed by alternately applying + current and ? current to the secondary battery at the end of the primary charging step. The method for activating a secondary battery according to the present invention includes alternately applying + current and ? current to the secondary battery at the end of the primary charging step to stabilize an SEI film, thereby shortening a following-up aging time.
    Type: Application
    Filed: November 15, 2019
    Publication date: July 8, 2021
    Applicant: LG CHEM, LTD.
    Inventors: In Young CHA, Joon Sung BAE, Sung Hoon YU, Seung Youn CHOI, Gyu Ok HWANG
  • Publication number: 20210179104
    Abstract: Disclosed herein is a method of controlling a vehicle driving depending on a baby mode, including activating an apparatus for automatically controlling and limiting a speed of a vehicle, and determining a state of a car seat when the car seat is installed, correcting a speed profile of the apparatus for automatically controlling and limiting the speed of the vehicle based on the state of the car seat, determining whether the vehicle enters a turning section, when the vehicle enters the turning section, performing at least one of turning section acceleration control or turning section deceleration control based on the state of the car seat, and determining whether the vehicle passes through the turning section after performing at least one of the turning section acceleration or deceleration.
    Type: Application
    Filed: April 16, 2020
    Publication date: June 17, 2021
    Inventors: Hui Un Son, Sang Joon Kim, Kyu Hwan Jo, Sung Bae Jeon, Sung Hoon Yu, Joo Young Kim, Jin Kyeom Cho