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).
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Patent number: 11782094Abstract: 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: GrantFiled: January 20, 2023Date of Patent: October 10, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kaeweon You, Jeonghyun Park, Jinho Kim
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Publication number: 20230160963Abstract: 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: ApplicationFiled: January 20, 2023Publication date: May 25, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Kaeweon YOU, Jeonghyun PARK, Jinho KIM
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Patent number: 11630157Abstract: 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: GrantFiled: February 21, 2019Date of Patent: April 18, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kaeweon You, Sangdo Park
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Publication number: 20230065995Abstract: 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: ApplicationFiled: February 3, 2022Publication date: March 2, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Inchul SONG, Hyuk KIM, Sangwuk PARK, Jun Haeng LEE, Sungil CHO, Kaeweon YOU
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Patent number: 11592491Abstract: 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: GrantFiled: May 29, 2020Date of Patent: February 28, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kaeweon You, Jeonghyun Park, Jinho Kim
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Patent number: 11262407Abstract: 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: GrantFiled: April 24, 2020Date of Patent: March 1, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Jeonghyun Park, Kaeweon You, Jinho Kim
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Publication number: 20210190866Abstract: 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: ApplicationFiled: May 29, 2020Publication date: June 24, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Kaeweon YOU, Jeonghyun PARK, Jinho KIM
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Publication number: 20210165047Abstract: 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: ApplicationFiled: April 24, 2020Publication date: June 3, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Jeonghyun PARK, Kaeweon YOU, Jinho KIM
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Patent number: 10928456Abstract: 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: GrantFiled: January 8, 2018Date of Patent: February 23, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Kaeweon You, SangDo Park, Young Hun Sung
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Patent number: 10908220Abstract: 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: GrantFiled: November 13, 2019Date of Patent: February 2, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: SangDo Park, Kaeweon You
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Publication number: 20200096572Abstract: 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: ApplicationFiled: February 21, 2019Publication date: March 26, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Kaeweon YOU, Sangdo PARK
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Publication number: 20200088798Abstract: 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: ApplicationFiled: November 13, 2019Publication date: March 19, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: SangDo PARK, Kaeweon YOU
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Patent number: 10509077Abstract: 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: GrantFiled: January 8, 2018Date of Patent: December 17, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: SangDo Park, Kaeweon You
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Patent number: 10444289Abstract: 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: GrantFiled: June 30, 2016Date of Patent: October 15, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Kaeweon You, SangDo Park
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Patent number: 10422837Abstract: 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: GrantFiled: January 27, 2016Date of Patent: September 24, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: SangDo Park, Kaeweon You
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Patent number: 10393819Abstract: 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: GrantFiled: December 11, 2014Date of Patent: August 27, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Kaeweon You, SangDo Park
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Patent number: 10310022Abstract: 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: GrantFiled: April 17, 2017Date of Patent: June 4, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: SangDo Park, Kaeweon You
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Publication number: 20190086478Abstract: 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: ApplicationFiled: April 27, 2018Publication date: March 21, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: SangDo PARK, Kaeweon YOU, Young Hun SUNG
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Patent number: 10228425Abstract: 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: GrantFiled: June 5, 2015Date of Patent: March 12, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: SangDo Park, Kaeweon You, Sun-Jae Lee
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Publication number: 20190056452Abstract: 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: ApplicationFiled: January 8, 2018Publication date: February 21, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kaeweon YOU, SangDo PARK, Young Hun SUNG