Patents by Inventor Ho Sun JANG

Ho Sun JANG 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: 11938827
    Abstract: The present disclosure relates to a system for controlling a motor of a vehicle for increasing control accuracy of the motor for driving the vehicle, and an object of the present disclosure is to provide a system for controlling a motor of a vehicle, which may accurately perform a motor control even when a battery voltage (i.e., motor voltage) applied to the motor upon the driving control of the motor is changed.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: March 26, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ho Sun Jang, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Tae Il Yoo, Seung Hyeon Bin
  • Patent number: 11890955
    Abstract: A charging control method for an electric vehicle is configured to boost a charging voltage by using a motor and an inverter, and includes steps of determining whether a current imbalance control is normally operated based on currents input from the motor to three-phase inputs of the inverter during charging, determining whether a current sensor is deteriorated based on a result of an internal temperature sensing of the inverter when the current imbalance control is in a normal operation, and adjusting a scale of the current sensor to maintain the charging, when a deterioration of the current sensor is detected, as a result of the determination.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: February 6, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Hyeon Bin, Han Hee Park, Ho Sun Jang, Ho Rim Choi, Tae Il Yoo, Seong Min Kim
  • Patent number: 11865929
    Abstract: An apparatus for controlling charging of an electric vehicle is configured to calculate a rotor torque expected to occur during charging based on an angle of a rotor provided in a driving motor before charging is performed by multiple input voltages, and allow charging to be performed after inducing the rotor torque to be less than a reference torque by moving the electric vehicle a specified distance to correct the rotor angle when the calculated rotor torque is greater than the reference torque so as to avoid deterioration or damage to a parking sprag. As a result, it is possible to prevent the parking sprag from being damaged by the rotor torque generated during charging so as to avoid the occurrence of an accident.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: January 9, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Hyeon Bin, Han Hee Park, Ho Sun Jang, Ho Rim Choi, Tae II Yoo, Seong Min Kim
  • Patent number: 11855568
    Abstract: A motor driving device for driving a motor having multiple windings corresponding to multiple phases, respectively, may include: a first inverter including multiple first switching elements and connected to a first end of each of the multiple windings; a second inverter including multiple second switching elements and connected a second end of each of the multiple windings; a third switching element configured to connect/disconnect points, at which the number of turns of each of the multiple windings is partitioned based on a predetermined ratio, to/from each other; and a controller configured to control, based on the required output of the motor, an on/off state of the first switching elements to the third switching element.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: December 26, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seung Hyeon Bin, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Sang Woo Park, Tae Il Yoo, Ho Sun Jang
  • Patent number: 11784590
    Abstract: An automotive motor driving apparatus includes: a first motor including a plurality of wires; and a second motor including a plurality of wires including first ends connected to each other. The motor driving apparatus includes: a first inverter connected to first ends of the wires of the motor and including a plurality of first switching devices; a second inverter connected to second ends of the wires of the first motor and including a plurality of second switching devices; a third inverter connected to second ends of the wires of the second motor; and a controller configured to drive the second motor by performing pulse width control on the third switching devices when a problem occurs in the second inverter while driving the first motor in an open end winding mode in which pulse width modulation control is performed on both of the first switching devices and the second switching devices.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: October 10, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Hyeon Bin, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Sang Woo Park, Tae Il Yoo, Ho Sun Jang
  • Publication number: 20230313120
    Abstract: The present application relates to a composition for freeze-preserving microalgae belonging to the family Thraustochytriaceae and a method for freeze-preserving microalgae belonging to the family Thraustochytriaceae using same. By the composition for freeze-preserving microalgae belonging to the family Thraustochytriaceae according to an aspect and the method for freeze-preserving microalgae belonging to the family Thraustochytriaceae using same, the microalgae may be stored stably for a long period of time, and the costs for preservation of the microalgae may be reduced by shortening a process. In addition, according to a method for preparing freeze-dried biomass of microalgae belonging to the family Thraustochytriaceae using the composition, even during long-term storage at room temperature, freeze-dried biomass in the form of powder that can maintain bacterial activity and is easy for storage and transportation may be manufactured through a simple process.
    Type: Application
    Filed: October 1, 2021
    Publication date: October 5, 2023
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Sung Hoon Jang, Won Sub Shin, Jung Woon Choi, Hae Won Kang, Ji Young Kim, Seung Han Ok, Ho Sun Jang, Jong Min Kim, Jin Ho Lee, Dae Cheol Kim
  • Publication number: 20230223888
    Abstract: A motor driving device for driving a motor having multiple windings corresponding to multiple phases, respectively, may include: a first inverter including multiple first switching elements and connected to a first end of each of the multiple windings; a second inverter including multiple second switching elements and connected a second end of each of the multiple windings; a third switching element configured to connect/disconnect points, at which the number of turns of each of the multiple windings is partitioned based on a predetermined ratio, to/from each other; and a controller configured to control, based on the required output of the motor, an on/off state of the first switching elements to the third switching element.
    Type: Application
    Filed: July 19, 2022
    Publication date: July 13, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Hyeon BIN, Han Hee PARK, Seong Min KIM, Ho Rim CHOI, Seon Mi LEE, Sang Woo PARK, Tae Il YOO, Ho Sun JANG
  • Patent number: 11563400
    Abstract: An iron loss reduction control apparatus for motor permanent magnet overtemperature protection is provided. The apparatus includes: a permanent magnet temperature prediction unit configured to predict a temperature of a permanent magnet in a motor based on a driving state of the motor; a first iron loss reduction unit configured to adjust a switching frequency of a switching element in an inverter providing a driving power to the motor based on the temperature of the permanent magnet; and a second iron loss reduction unit configured to adjust a current command of the motor based on the temperature of the permanent magnet.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: January 24, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Tae Il Yoo, Seong Min Kim, Seon Mi Lee, Ho Sun Jang, Ho Rim Choi, Han Hee Park, Seung Hyeon Bin
  • Publication number: 20230017062
    Abstract: The present disclosure relates to a system for controlling a motor of a vehicle for increasing control accuracy of the motor for driving the vehicle, and an object of the present disclosure is to provide a system for controlling a motor of a vehicle, which may accurately perform a motor control even when a battery voltage (i.e., motor voltage) applied to the motor upon the driving control of the motor is changed.
    Type: Application
    Filed: July 13, 2022
    Publication date: January 19, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ho Sun Jang, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Tae Il Yoo, Seung Hyeon Bin
  • Patent number: 11545923
    Abstract: A motor driving apparatus may include a first inverter circuit including a plurality of first switching devices and connected to a first end portion of each of a plurality of windings in a motor corresponding to a plurality of phases of the motor, respectively, a second inverter circuit including a plurality of second switching devices and connected to a second end portion of each of the plurality of windings, and a plurality of selection switching devices having first end portions connected to a node to which the plurality of windings and the plurality of second switching devices are connected and second end portions connected to each other.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: January 3, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ho Rim Choi, Han Hee Park, Seong Min Kim, Seon Mi Lee, Ho Sun Jang, Tae Il Yoo, Seung Hyeon Bin
  • Publication number: 20220393622
    Abstract: An automotive motor driving apparatus includes: a first motor including a plurality of wires; and a second motor including a plurality of wires including first ends connected to each other. The motor driving apparatus includes: a first inverter connected to first ends of the wires of the motor and including a plurality of first switching devices; a second inverter connected to second ends of the wires of the first motor and including a plurality of second switching devices; a third inverter connected to second ends of the wires of the second motor; and a controller configured to drive the second motor by performing pulse width control on the third switching devices when a problem occurs in the second inverter while driving the first motor in an open end winding mode in which pulse width modulation control is performed on both of the first switching devices and the second switching devices.
    Type: Application
    Filed: March 17, 2022
    Publication date: December 8, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Hyeon BIN, Han Hee PARK, Seong Min KIM, Ho Rim CHOI, Seon Mi LEE, Sang Woo PARK, Tae Il YOO, Ho Sun JANG
  • Publication number: 20220203847
    Abstract: An apparatus for controlling charging of an electric vehicle is configured to calculate a rotor torque expected to occur during charging based on an angle of a rotor provided in a driving motor before charging is performed by multiple input voltages, and allow charging to be performed after inducing the rotor torque to be less than a reference torque by moving the electric vehicle a specified distance to correct the rotor angle when the calculated rotor torque is greater than the reference torque so as to avoid deterioration or damage to a parking sprag.
    Type: Application
    Filed: November 17, 2021
    Publication date: June 30, 2022
    Inventors: Seung Hyeon Bin, Han Hee Park, Ho Sun Jang, Ho Rim Choi, Tae II Yoo, Seong Min Kim
  • Publication number: 20220185131
    Abstract: A charging control method for an electric vehicle is configured to boost a charging voltage by using a motor and an inverter, and includes steps of determining whether a current imbalance control is normally operated based on currents input from the motor to three-phase inputs of the inverter during charging, determining whether a current sensor is deteriorated based on a result of an internal temperature sensing of the inverter when the current imbalance control is in a normal operation, and adjusting a scale of the current sensor to maintain the charging, when a deterioration of the current sensor is detected, as a result of the determination.
    Type: Application
    Filed: September 27, 2021
    Publication date: June 16, 2022
    Inventors: Seung Hyeon Bin, Han Hee Park, Ho Sun Jang, Ho Rim Choi, Tae Il Yoo, Seong Min Kim
  • Publication number: 20220173687
    Abstract: A motor driving apparatus may include a first inverter circuit including a plurality of first switching devices and connected to a first end portion of each of a plurality of windings in a motor corresponding to a plurality of phases of the motor, respectively, a second inverter circuit including a plurality of second switching devices and connected to a second end portion of each of the plurality of windings, and a plurality of selection switching devices having first end portions connected to a node to which the plurality of windings and the plurality of second switching devices are connected and second end portions connected to each other.
    Type: Application
    Filed: July 22, 2021
    Publication date: June 2, 2022
    Inventors: Ho Rim CHOI, Han Hee PARK, Seong Min KIM, Seon Mi LEE, Ho Sun JANG, Tae Il YOO, Seung Hyeon BIN
  • Publication number: 20220123687
    Abstract: An iron loss reduction control apparatus for motor permanent magnet overtemperature protection is provided. The apparatus includes: a permanent magnet temperature prediction unit configured to predict a temperature of a permanent magnet in a motor based on a driving state of the motor; a first iron loss reduction unit configured to adjust a switching frequency of a switching element in an inverter providing a driving power to the motor based on the temperature of the permanent magnet; and a second iron loss reduction unit configured to adjust a current command of the motor based on the temperature of the permanent magnet.
    Type: Application
    Filed: July 29, 2021
    Publication date: April 21, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Tae Il YOO, Seong Min KIM, Seon Mi LEE, Ho Sun JANG, Ho Rim CHOI, Han Hee PARK, Seung Hyeon BIN
  • Patent number: 11110936
    Abstract: In a hybrid vehicle, a hybrid type lubrication control valve which is a solenoid valve type turned on/off by electricity is used as a lubrication system component for circulating lubricating oil to a transmission and an engine clutch. A method includes measuring, by an engine clutch pressure sensor, first engine clutch engagement pressure in an off-state of the independent type lubrication control valve and second engine clutch engagement pressure in an on-state thereof; and determining, by the TCU, whether or not the independent type lubrication control valve is stuck, on the basis of a pressure difference between the first engine clutch engagement pressure and the second engine clutch engagement pressure. The method can diagnose a stuck state of the hybrid type lubrication control valve using hydraulic pressure for operating engine clutch engagement, before starting the vehicle.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: September 7, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Young Jun Lee, Woul Sun Choi, Ho Sun Jang, Tae Hyung Koo
  • Publication number: 20200182110
    Abstract: In a hybrid vehicle, a hybrid type lubrication control valve which is a solenoid valve type turned on/off by electricity is used as a lubrication system component for circulating lubricating oil to a transmission and an engine clutch. A method for diagnosing sticking of a lubrication control valve of a hybrid vehicle includes measuring a drag torque acting on an input shaft of the transmission through an output shaft of the motor by measuring a first drag torque in an off-state of the independent type lubrication control valve and a second drag torque in an on-state thereof; and determining whether or not the independent type lubrication control valve is stuck, on the basis of a torque difference between the first drag torque and the second drag torque. The method can diagnose a stuck state of the hybrid type lubrication control valve using motor speed control, before starting the vehicle.
    Type: Application
    Filed: May 2, 2019
    Publication date: June 11, 2020
    Inventors: Young Jun LEE, Woul Sun CHOI, Ho Sun JANG, Tae Hyung KOO
  • Publication number: 20200180655
    Abstract: In a hybrid vehicle, a hybrid type lubrication control valve which is a solenoid valve type turned on/off by electricity is used as a lubrication system component for circulating lubricating oil to a transmission and an engine clutch. A method includes measuring, by an engine clutch pressure sensor, first engine clutch engagement pressure in an off-state of the independent type lubrication control valve and second engine clutch engagement pressure in an on-state thereof; and determining, by the TCU, whether or not the independent type lubrication control valve is stuck, on the basis of a pressure difference between the first engine clutch engagement pressure and the second engine clutch engagement pressure. The method can diagnose a stuck state of the hybrid type lubrication control valve using hydraulic pressure for operating engine clutch engagement, before starting the vehicle.
    Type: Application
    Filed: April 26, 2019
    Publication date: June 11, 2020
    Inventors: Young Jun LEE, Woul Sun CHOI, Ho Sun JANG, Tae Hyung KOO