Patents by Inventor Seong-Il Lee

Seong-Il Lee 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).

  • Publication number: 20240106362
    Abstract: A motor driving apparatus includes a motor having a plurality of windings, a first inverter which is connected to a first end of each of the plurality of windings and drives the motor, a second inverter which is connected to a second end of each of the plurality of windings and selectively drives the motor according to a motor drive mode, and a controller which generates a current command for the motor according to a torque command and a voltage utilization rate control value, determines whether to perform linearization control for the current command based on a present counter magnetic flux of the motor and a switching reference counter magnetic flux for the motor drive mode, and adjusts the voltage utilization rate control value such that a value of the current command is linearized in a section in which the linearization control is performed.
    Type: Application
    Filed: April 14, 2023
    Publication date: March 28, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ho Rim CHOI, Seong Min KIM, Seon Mi LEE, Tae Il YOO, Seung Hyeon BIN
  • 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
  • Publication number: 20240078799
    Abstract: An exemplary embodiment provides an intruder detection method capable of accurately detecting an intruder and estimating an abnormal behavior of the intruder even when viewpoints of acquired images are different from each other. An intruder detection method is suitable for being performed by an intruder detection device for detecting an intruder based on images and includes: receiving input images acquired by multiple cameras; extracting feature maps associated with a plurality of viewpoints by applying the input images to a plurality of convolutional neural networks provided separately for the plurality of viewpoints of the images; and detecting the intruder based on the feature maps associated with the plurality of viewpoints.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 7, 2024
    Inventors: Young Il KIM, Seong Hee PARK, Geon Min YEO, Il Woo LEE, Wun Cheol JEONG, Tae Wook HEO
  • Publication number: 20240075920
    Abstract: A method for controlling driving of a hybrid electric vehicle includes collecting driving data while the hybrid electric vehicle is driven, determining whether the hybrid electric vehicle enters a first mode corresponding to emergency driving of the hybrid electric vehicle or a second mode corresponding to control in preparation for the emergency driving, and controlling the hybrid electric vehicle in accordance with a mode that the hybrid electric vehicle enters among the first mode and the second mode.
    Type: Application
    Filed: January 31, 2023
    Publication date: March 7, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sung Bae Jeon, Seong Wook Moon, Do Hwa Kim, Gyu Ri Lee, Sung Il Jung, Jae Young Park, Jeong Eun Kim, Hui Un Son
  • Patent number: 10587007
    Abstract: Provided are a lithium secondary battery electrolyte and a lithium secondary battery. The lithium secondary battery electrolyte includes a lithium salt, non-aqueous organic solvent, and an oxalate derivative. The lithium secondary battery includes a cathode, an anode, a separator, and the lithium secondary battery electrolyte. The lithium secondary battery electrolyte has excellent high-temperature stability, a high discharge capacity at a low temperature, and excellent lifespan characteristics.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: March 10, 2020
    Assignee: SK Innovation Co., Ltd.
    Inventors: Jin Sung Kim, Hyo Seung Park, Seong Il Lee, Kwang Kuk Lee
  • Publication number: 20190103634
    Abstract: Provided are an electrolyte for a lithium secondary battery, and a lithium secondary battery containing the same. An embodiment of the present invention is directed to providing an electrolyte for a lithium secondary battery having excellent high-temperature and low-temperature characteristics while properly maintaining basic performance such as high rate charge and discharge characteristics, life cycle characteristics, and the like, and a lithium secondary battery containing the same.
    Type: Application
    Filed: December 3, 2018
    Publication date: April 4, 2019
    Inventors: Jin Sung Kim, Cheol Woo Kim, Seung Yon Oh, Kwang Kuk Lee, Seong IL Lee
  • Publication number: 20190067741
    Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The electrolyte for a secondary battery according to the present invention has excellent high-temperature stability, excellent low-temperature discharge capacity, and excellent life cycle characteristics.
    Type: Application
    Filed: October 25, 2018
    Publication date: February 28, 2019
    Inventors: Jin Sung Kim, Cheol Woo Kim, Sung Yon Oh, Kwang Kuk Lee, Seong IL Lee
  • Patent number: 10141608
    Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The electrolyte for a secondary battery according to the present invention has excellent high-temperature stability, excellent low-temperature discharge capacity, and excellent life cycle characteristics.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: November 27, 2018
    Assignee: SK Innovation Co., Ltd.
    Inventors: Jin Sung Kim, Cheol Woo Kim, Sung Yon Oh, Kwang Kuk Lee, Seong Il Lee
  • Patent number: 10135094
    Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: November 20, 2018
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Jin Sung Kim, Seong Il Lee, Kwang Kuk Lee, Jin Su Ham
  • Patent number: 9847553
    Abstract: Provided are an electrolyte for a lithium secondary battery, and a lithium secondary battery containing the same, wherein the electrolyte for a secondary battery has significantly excellent high-temperature stability, low-temperature discharge capacity, and life cycle characteristics.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: December 19, 2017
    Assignee: SK Innovation Co., Ltd.
    Inventors: Jin Sung Kim, Cheol Woo Kim, Seung Yon Oh, Kwang Kuk Lee, Seong Il Lee
  • Patent number: 9742032
    Abstract: Provided are a novel compound, an electrolyte for a lithium secondary battery containing the same, and a lithium secondary battery containing the electrolyte for a lithium secondary battery according to the present invention. The electrolyte for a secondary battery according to the present invention may have significantly excellent high-temperature stability, low-temperature discharge capacity, and life cycle characteristics.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: August 22, 2017
    Assignee: SK Innovation Co., Ltd.
    Inventors: Jin Sung Kim, Cheol Woo Kim, Seung Yon Oh, Kwang Kuk Lee, Seong Il Lee
  • Patent number: 9548515
    Abstract: Provided are an electrolyte for a high-voltage lithium secondary battery and a high-voltage lithium secondary battery containing the same, and more particularly, an electrolyte for a high-voltage lithium secondary battery which may not be oxidized and decomposed at the time of being kept at a high voltage and a high temperature to prevent swelling of a battery through suppression of gas generation, thereby having excellent high-temperature storage characteristics and excellent discharge characteristics at a low temperature while decreasing a thickness increase rate of the battery, and a high-voltage lithium secondary battery containing the same.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: January 17, 2017
    Assignee: SK Innovation Co., LTD.
    Inventors: Jin Sung Kim, Yu Na Shim, Seong Il Lee, Jong Ho Lim
  • Publication number: 20160359196
    Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The electrolyte for a secondary battery according to the present invention has excellent high-temperature stability, excellent low-temperature discharge capacity, and excellent life cycle characteristics.
    Type: Application
    Filed: May 31, 2016
    Publication date: December 8, 2016
    Inventors: Jin Sung Kim, Cheol Woo Kim, Sung Yon Oh, Kwang Kuk Lee, Seong IL Lee
  • Publication number: 20160329599
    Abstract: Provided are a lithium secondary battery electrolyte and a lithium secondary battery. The lithium secondary battery electrolyte includes a lithium salt, non-aqueous organic solvent, and an oxalate derivative. The lithium secondary battery includes a cathode, an anode, a separator, and the lithium secondary battery electrolyte. The lithium secondary battery electrolyte has excellent high-temperature stability, a high discharge capacity at a low temperature, and excellent lifespan characteristics.
    Type: Application
    Filed: December 19, 2014
    Publication date: November 10, 2016
    Applicant: SK Innovation Co., Ltd.
    Inventors: Jin Sung Kim, Hyo Seung Park, Seong IL Lee, Kwang Kuk Lee
  • Publication number: 20160285127
    Abstract: Provided are an electrolyte for a high-voltage lithium secondary battery and a high-voltage lithium secondary battery containing the same, and more particularly, an electrolyte for a high-voltage lithium secondary battery which may not be oxidized and decomposed at the time of being kept at a high voltage and a high temperature to prevent swelling of a battery through suppression of gas generation, thereby having excellent high-temperature storage characteristics and excellent discharge characteristics at a low temperature while decreasing a thickness increase rate of the battery, and a high-voltage lithium secondary battery containing the same.
    Type: Application
    Filed: December 6, 2013
    Publication date: September 29, 2016
    Applicant: SK INNOVATION CO., LTD.
    Inventors: Jin Sung KIM, Yu Na SHIM, Seong Il LEE, Jong Ho LIM
  • Publication number: 20160087309
    Abstract: Provided are a novel compound, an electrolyte for a lithium secondary battery containing the same, and a lithium secondary battery containing the electrolyte for a lithium secondary battery according to the present invention. The electrolyte for a secondary battery according to the present invention may have significantly excellent high-temperature stability, low-temperature discharge capacity, and life cycle characteristics.
    Type: Application
    Filed: September 16, 2015
    Publication date: March 24, 2016
    Inventors: Jin Sung Kim, Cheol Woo Kim, Seung Yon Oh, Kwang Kuk Lee, Seong Il Lee
  • Publication number: 20160079627
    Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The lithium secondary battery using the electrolyte for a lithium secondary battery according to the present invention has excellent high-temperature stability, high-temperature capacity recovery rate, low-temperature discharge capacity, and life cycle characteristics.
    Type: Application
    Filed: September 10, 2015
    Publication date: March 17, 2016
    Inventors: Jin Sung Kim, Cheol Woo Kim, Seung Yon Oh, Kwang Kuk Lee, Seong Il Lee
  • Publication number: 20160079628
    Abstract: Provided are an electrolyte for a lithium secondary battery, and a lithium secondary battery containing the same, wherein the electrolyte for a secondary battery has significantly excellent high-temperature stability, low-temperature discharge capacity, and life cycle characteristics.
    Type: Application
    Filed: September 15, 2015
    Publication date: March 17, 2016
    Inventors: Jin Sung Kim, Cheol Woo Kim, Seung Yon Oh, Kwang Kuk Lee, Seong Il Lee
  • Publication number: 20160072150
    Abstract: Provided are an electrolyte for a lithium secondary battery, and a lithium secondary battery containing the same. An embodiment of the present invention is directed to providing an electrolyte for a lithium secondary battery having excellent high-temperature and low-temperature characteristics while properly maintaining basic performance such as high rate charge and discharge characteristics, life cycle characteristics, and the like, and a lithium secondary battery containing the same.
    Type: Application
    Filed: September 1, 2015
    Publication date: March 10, 2016
    Inventors: Jin Sung Kim, Cheol Woo Kim, Seung Yon Oh, Kwang Kuk Lee, Seong Il Lee
  • Publication number: 20150318573
    Abstract: Provided are an electrolyte for a lithium secondary battery which is not oxidized/decomposed when allowed to stand at a high temperature under high voltage, so as to inhibit generation of gas to prevent expansion of the battery, thereby reducing a battery thickness increase rate, and simultaneously having an excellent storage property at a high temperature, and a lithium secondary battery including the same.
    Type: Application
    Filed: December 5, 2013
    Publication date: November 5, 2015
    Inventors: Jin Sung KIM, Seong Il LEE, Jong Ho LIM, Jin Su HAM