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: 11787466
    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: Grant
    Filed: November 18, 2020
    Date of Patent: October 17, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Joon Kim, Young Eun Kim, Hui Un Son, Jea Mun Lee, Sung Hoon Yu
  • Publication number: 20230234586
    Abstract: A vehicle speed controlling apparatus comprising a driving mode selector configured to receive a selection of a periodic-speed driving mode from a user, a driving strategy control unit including a speed profile generator configured to generate a periodic-speed driving speed profile with a period, an amplitude, and an average speed, and a driving assistance unit configured to output a required torque for a driving motor to follow the periodic-speed driving speed profile.
    Type: Application
    Filed: September 19, 2022
    Publication date: July 27, 2023
    Inventors: Ye Chan Jeong, Sang Joon Kim, Chang Hwan Kim, In Kyu Lee, Young Sun Nam, Doo Hyun Kim, Sung Hoon Yu, Lee Hyoung Cho, Chang Jin Oh, Nam Kwon Lee, Young Eun Kim, Jong Wha Kim, Hyun Kim, Oh Eun Kwon
  • Patent number: 11685363
    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: Grant
    Filed: December 29, 2020
    Date of Patent: June 27, 2023
    Assignees: 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: 11682794
    Abstract: An additive, a non-aqueous electrolyte for a lithium secondary battery including the same, and a lithium secondary battery including the same are disclosed herein. In some embodiments, an additive includes at least one compound selected from the group consisting of the compounds represented by Formula 1 and Formula 2. In some embodiments, a non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive including at least one compound selected from the group consisting of the compounds represented by Formula 1 and Formula 2.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: June 20, 2023
    Inventors: Sung Hoon Yu, Chul Haeng Lee, Yoo Sun Kang
  • Patent number: 11628763
    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: Grant
    Filed: December 2, 2020
    Date of Patent: April 18, 2023
    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: 11565697
    Abstract: The present disclosure relates to a vehicle and a parking control method therefor which can prevent a parking curb or a driving system from being damaged during parking due to collision with the parking curb or running over the parking curb according to creep torque imitation by an electric motor in a vehicle equipped with the electric motor. A parking control method includes determining whether a parking situation occurs, applying a creep torque modification coefficient to a creep torque until contact with an object that applies a reaction force to a wheel in a parking direction is sensed to determine a modified creep torque upon determining the parking situation, and variably controlling the creep torque by applying a variable coefficient to the modified creep torque.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: January 31, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hui Un Son, Sang Joon Kim, Kyu Hwan Jo, Sung Bae Jeon, Sung Hoon Yu, Joo Young Kim, Jin Kyeom Cho
  • Publication number: 20230028018
    Abstract: A method for manufacturing a secondary battery includes manufacturing an electrode assembly having a stacked structure in which a negative electrode, an individual layer of a separator, a positive electrode, and an individual layer of the separator are repeated by alternately inserting the positive electrode and the negative electrode between the adjacent individual layers of the separator. Fold lines are formed on the separator at a predetermined interval, and the separator is folded in a zigzag shape along a vertical direction by the fold lines to form the plurality of individual layers; inserting the electrode assembly into a pouch; and discharging a gas from the Each of the positive electrode and the negative electrode is manufactured in a square shape so that remaining three sides except for one side facing the fold lines are opened.
    Type: Application
    Filed: December 21, 2020
    Publication date: January 26, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Sung Hoon YU
  • Patent number: 11482728
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery, and a lithium second battery including the same are disclosed herein. In some embodiments, the lithium electrolyte includes lithium bis(fluorosulfonyl)imide as a first lithium salt, a second lithium salt, an organic solvent, and a compound represented by Formula 1. In some embodiments, the lithium second battery includes a positive electrode having a positive electrode active material represented by Formula 2.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: October 25, 2022
    Inventors: Hyun Yeong Lee, Chul Haeng Lee, Sung Hoon Yu, Hyun Seung Kim
  • Patent number: 11476500
    Abstract: A non-aqueous electrolyte solution and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte solution includes a lithium salt, an organic solvent, and a compound represented by Formula 1 as an additive. The compound has an excellent effect of removing a decomposition product, such as HF and PF5, generated from the lithium salt in the electrolyte solution. The lithium secondary battery has improved high-temperature storage characteristics by including the non-aqueous electrolyte solution.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: October 18, 2022
    Inventors: Hyun Seung Kim, Chul Haeng Lee, Sung Hoon Yu, Hyun Yeong Lee
  • Patent number: 11407414
    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: Grant
    Filed: April 16, 2020
    Date of Patent: August 9, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hui Un Son, Sang Joon Kim, Kyu Hwan Jo, Sung Bae Jeon, Sung Hoon Yu, Joo Young Kim, Jin Kyeom Cho
  • 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