Patents by Inventor Kaeweon You

Kaeweon You 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: 11782094
    Abstract: A battery state estimation method includes acquiring an initial value of a vector-type parameter for modeling an electrochemical-thermal (ECT) model of a battery, extracting a predetermined point from the vector-type parameter based on the initial value, generating a target parameter based on the predetermined point, to minimize an error between an actual state of the battery and a state of the battery acquired from the ECT model, and estimating the state of the battery based on the target parameter.
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: October 10, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kaeweon You, Jeonghyun Park, Jinho Kim
  • Publication number: 20230160963
    Abstract: A battery state estimation method includes acquiring an initial value of a vector-type parameter for modeling an electrochemical-thermal (ECT) model of a battery, extracting a predetermined point from the vector-type parameter based on the initial value, generating a target parameter based on the predetermined point, to minimize an error between an actual state of the battery and a state of the battery acquired from the ECT model, and estimating the state of the battery based on the target parameter.
    Type: Application
    Filed: January 20, 2023
    Publication date: May 25, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kaeweon YOU, Jeonghyun PARK, Jinho KIM
  • Patent number: 11630157
    Abstract: A processor-implemented method of estimating a state of a battery includes acquiring current information and voltage information of a battery; determining time interval values based on the acquired current information such that current integration values corresponding to the time variation values satisfy a condition; determining voltage values corresponding to the determined time interval values in the acquired voltage information; and determining state information of the battery based on the determined voltage values.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: April 18, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kaeweon You, Sangdo Park
  • Publication number: 20230065995
    Abstract: A processor-implemented method with data exploration includes: setting first input data and a first target condition; predicting first output data corresponding to the first input data using a first function that models an objective function; and determining second input data using a second function that provides a result of comparison between the first output data and the first target condition.
    Type: Application
    Filed: February 3, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Inchul SONG, Hyuk KIM, Sangwuk PARK, Jun Haeng LEE, Sungil CHO, Kaeweon YOU
  • Patent number: 11592491
    Abstract: A battery state estimation method includes acquiring an initial value of a vector-type parameter for modeling an electrochemical-thermal (ECT) model of a battery, extracting a predetermined point from the vector-type parameter based on the initial value, generating a target parameter based on the predetermined point, to minimize an error between an actual state of the battery and a state of the battery acquired from the ECT model, and estimating the state of the battery based on the target parameter.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: February 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kaeweon You, Jeonghyun Park, Jinho Kim
  • Patent number: 11262407
    Abstract: A method with battery state estimation may include: generating a plurality of electrochemical-thermal (ECT) models corresponding to modeling conditions based on an arbitrary parameter of an ECT model configured to perform modeling of a battery; determining a target parameter of the ECT model based on an error between an actual state of the battery and a model-derived state of the battery obtained by a parallel operation of the plurality of ECT models; and estimating a state of the battery based on the target parameter.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: March 1, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeonghyun Park, Kaeweon You, Jinho Kim
  • Publication number: 20210190866
    Abstract: A battery state estimation method includes acquiring an initial value of a vector-type parameter for modeling an electrochemical-thermal (ECT) model of a battery, extracting a predetermined point from the vector-type parameter based on the initial value, generating a target parameter based on the predetermined point, to minimize an error between an actual state of the battery and a state of the battery acquired from the ECT model, and estimating the state of the battery based on the target parameter.
    Type: Application
    Filed: May 29, 2020
    Publication date: June 24, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kaeweon YOU, Jeonghyun PARK, Jinho KIM
  • Publication number: 20210165047
    Abstract: A method with battery state estimation may include: generating a plurality of electrochemical-thermal (ECT) models corresponding to modeling conditions based on an arbitrary parameter of an ECT model configured to perform modeling of a battery; determining a target parameter of the ECT model based on an error between an actual state of the battery and a model-derived state of the battery obtained by a parallel operation of the plurality of ECT models; and estimating a state of the battery based on the target parameter.
    Type: Application
    Filed: April 24, 2020
    Publication date: June 3, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeonghyun PARK, Kaeweon YOU, Jinho KIM
  • Patent number: 10928456
    Abstract: Disclosed is a battery state estimation method and apparatus, the method includes extracting data from target intervals in sensing data of a battery, generating feature vectors of the data extracted from each of the target intervals, applying a weight to each of the generated feature vectors, merging the feature vectors to which the weight is applied, and determining state information of the battery based on the merging.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: February 23, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kaeweon You, SangDo Park, Young Hun Sung
  • Patent number: 10908220
    Abstract: A battery state estimation method and apparatus are provided. Sensing data of a battery is received, and feature information is acquired by preprocessing the sensing data. The preprocessed sensing data is selected based on the feature information, and state information of the battery is determined based on at least one of the selected preprocessed sensing data or previous state information of the battery.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: February 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: SangDo Park, Kaeweon You
  • Publication number: 20200096572
    Abstract: A processor-implemented method of estimating a state of a battery includes acquiring current information and voltage information of a battery; determining time interval values based on the acquired current information such that current integration values corresponding to the time variation values satisfy a condition; determining voltage values corresponding to the determined time interval values in the acquired voltage information; and determining state information of the battery based on the determined voltage values.
    Type: Application
    Filed: February 21, 2019
    Publication date: March 26, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kaeweon YOU, Sangdo PARK
  • Publication number: 20200088798
    Abstract: A battery state estimation method and apparatus are provided. Sensing data of a battery is received, and feature information is acquired by preprocessing the sensing data. The preprocessed sensing data is selected based on the feature information, and state information of the battery is determined based on at least one of the selected preprocessed sensing data or previous state information of the battery.
    Type: Application
    Filed: November 13, 2019
    Publication date: March 19, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: SangDo PARK, Kaeweon YOU
  • Patent number: 10509077
    Abstract: A battery state estimation method and apparatus are provided. Sensing data of a battery is received, and feature information is acquired by preprocessing the sensing data. The preprocessed sensing data is selected based on the feature information, and state information of the battery is determined based on at least one of the selected preprocessed sensing data or previous state information of the battery.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: December 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: SangDo Park, Kaeweon You
  • Patent number: 10444289
    Abstract: A method of estimating a life of a battery includes acquiring density data based on battery sensing data, determining a density feature based on the density data using clusters generated by clustering a density data set based on a plurality of battery management profiles, and estimating the life of the battery based on the density feature.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: October 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kaeweon You, SangDo Park
  • Patent number: 10422837
    Abstract: An apparatus for estimating a state of a battery including a data receiver configured to receive module data associated with a battery module included in a battery pack from the battery module, and a processor configured to acquire cell data corresponding to a battery cell included in the battery module from the module data, and determine a module state of the battery module based on the cell data.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: September 24, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: SangDo Park, Kaeweon You
  • Patent number: 10393819
    Abstract: A battery state estimation method and apparatus. The apparatus includes a time detector configured to detect a time during which a voltage level of a battery, being partially charged and discharged, changes through a constant current charge. The apparatus also includes a state of health (SoH) information estimator configured to estimate SoH information of the battery with the changed voltage level and the detected time, based on predetermined reference information.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: August 27, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kaeweon You, SangDo Park
  • Patent number: 10310022
    Abstract: Provided is a battery state estimation apparatus and method that determine a validity of a battery model, which is dependent on a parameter, based on state information of a battery that is estimated from battery information of the battery, transmit an update request for the battery model to an external battery model provider in response to a result of the determining indicating that the battery model is invalid, receive another parameter in response to the update request, and update the battery model based on the other parameter.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: June 4, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: SangDo Park, Kaeweon You
  • Publication number: 20190086478
    Abstract: A battery state estimation apparatus and method are provided. The processor implemented battery state estimation apparatus estimates attention data indicating data suitable for a state estimation from battery data, and estimates battery state information based on the battery data and the attention data.
    Type: Application
    Filed: April 27, 2018
    Publication date: March 21, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: SangDo PARK, Kaeweon YOU, Young Hun SUNG
  • Patent number: 10228425
    Abstract: A method of estimating battery state information includes collecting battery information; partitioning the collected battery information into interval information in a predetermined range; accumulating the interval information; and estimating the battery state information based on the accumulated interval information and learning information determined in advance. A method of learning battery state information includes collecting battery information; partitioning the collected battery information into interval information in a predetermined range; accumulating the interval information; and determining learning information based on the accumulated interval information and reference information of a battery, the learning information being used to estimate the battery state information.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: March 12, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: SangDo Park, Kaeweon You, Sun-Jae Lee
  • Publication number: 20190056452
    Abstract: Disclosed is a battery state estimation method and apparatus, the method includes extracting data from target intervals in sensing data of a battery, generating feature vectors of the data extracted from each of the target intervals, applying a weight to each of the generated feature vectors, merging the feature vectors to which the weight is applied, and determining state information of the battery based on the merging.
    Type: Application
    Filed: January 8, 2018
    Publication date: February 21, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kaeweon YOU, SangDo PARK, Young Hun SUNG