Samsung Electronics Co., Ltd.

Samsung Life Public Welfare Foundation

Korea Advanced Institute of Science and Technology

Samsung Sdi Co., Inc.

Hyundai Motor Company

Kia Motors Corporation

Commonwealth Scientific and Industrial Research Organisation

Young Hun Sung

Dong Goo Kang

Jong Ha Lee

Kang Eui Lee

Hyun Hwa Oh

Seok Min Han

Sung Su Kim

Jae Hak Lee

Dong-Goo Kang

Ju Wan Lim

Jinho Kim

Sung Hoon Kang

Duk Jin Oh

Tae Won Song

Daeryong Jung

Myung Jin Chung

Kyungboo Jung

Hyun Sung Chang

Minsu Ahn

Hyong Euk Lee

Youngjae Kim

Keechang Lee

Wonhee Lee

Sang Wook Han

Inwoo Ha

Minjung Son

Donghoon Sagong

Jiyeon Kim

Hongsoo Choi

Min Ji Lee

Hwiryong Jung

Ho Young Lee

Seon Chae Na

Min Woo Kim

Myung Jin Jung

Nahyup Kang

Young Jae Kim

Chan Ho Jeong

Jung Sang You

Sang Do Park

Kwang Eun Jang

Jae Hyun Kwon

Ji Young Choi

Jae Mock Yi

Jaemock Yi

Jiyoung Choi

Myeongjae Lee

SangDo Park

Jong Chul Ye

Kye Young Jeong

Jeonghyun Park

Sun-Jae Lee

Kang Ho Lee

Tae Kyung Lee

Myung Hoon Kim

Seokmin Han

Sung W Jeon

Jinyong Jeon

Won-Hee Lee

Sang Uk Yu

SungSu A Kim

Kaeweon You

Jae-Hyun Kwon

Stephen William Wilkins

Soochul Lim

Daebong Jung

Seungryong Cho

Rajkumar Subhash Patil

Ji-young Jeong

Suman Basu

Miran Park

Sung Cheol Kim

Mohan Kumar Singh Verma

Changhwan Kim

Andrew Wesley Stevenson

Jae Duck Jang

Timur Eugenievich Gureyev

Terrance Christopher Huang

Yunjeong Lee

Yo Seob Han

Hyunhwa Oh

Kye Yong Jeong

Sunghoon Kang

Yakov Nesterets

Myung-Hoon Kim

Ashwini Kumar Sharma

Hwi-Ryong Jung

Disclosed is a method and apparatus for charging a battery, the method includes a method of charging a battery, the method including determining an aging rate coefficient based on an internal state of the battery and an aging parameter related to aging of the battery, predicting an aging rate of the battery based on the aging rate coefficient, and determining whether to change a charging limit condition to charge the battery based on a comparison between the predicted aging rate and a target aging rate.

Method and apparatus for charging battery

A processor-implemented method with charging control includes: estimating respective step degradation amounts in charging steps of a first charging interval for each of first candidate current patterns of charging a battery from a first state of charge (SOC) level to a second SOC level during the first charging interval; determining an interval degradation amount in the first charging interval for each of the first candidate current patterns, based on the estimated step degradation amounts; and selecting a first representative current pattern indicating a minimum degradation amount from among the first candidate current patterns, based on the determined interval degradation amounts.

Method and device with charging control

Disclosed are an electronic device, including a memory configured to store parameters of an electrochemical model corresponding to a battery, a sensor configured to measure a voltage of the battery, and a processor configured to determine a first cumulative state of charge (SOC) correction amount at a partially discharged point in time at which a SOC of the battery is corrected by a corrector for reducing a voltage difference between an estimated voltage of the electrochemical model and the measured voltage of the battery, estimate a second cumulative SOC correction amount at a fully discharged point in time based on the first cumulative SOC correction amount and a SOC correction amount prediction curve, and update an aging parameter of the electrochemical model based on the second cumulative SOC correction amount.

Electronic device for estimating battery state and operating method thereof

To generate a charging path for a battery, a method includes generating simulation data for charging currents based on a battery model indicating an internal state of a battery, generating an initial look-up table (LUT) for the charging currents and preset battery voltage limits based on the simulation data, the initial LUT representing initial charging limit conditions of the battery for stages corresponding to the charging currents, generating a modified LUT by adjusting at least one of the initial charging limit conditions of the initial LUT, in response to the initial LUT failing to satisfy a threshold, determining a final LUT based on the modified LUT, in response to the modified LUT satisfying the threshold, and generating a charging path for the battery based on the final LUT.

Method and apparatus for generating charging path for battery

A short circuit detection method includes obtaining battery data associated with a state of a battery from a charging cycle of the battery, estimating an error in the battery data using an estimation model, determining a state indicator corresponding to the error in the battery data, and detecting a short circuit of the battery based on a result of comparing the state indicator and a short circuit threshold.

Method and apparatus with battery short circuit detection

A method and apparatus for detecting an internal short circuit in a battery are provided. The method includes acquiring values of one or more basic parameters of the battery, acquiring values of one or more degradation parameters used in a battery model indicating an internal state of the battery based on the values of the one or more basic parameters, determining whether the internal short circuit occurs in the battery based on a first value of a first degradation parameter and a second value of a second degradation parameter from among the one or more degradation parameters, and performing an operation in response to the internal short circuit occurring in the battery.

Method and apparatus for detecting internal short circuit in battery

A method and apparatus with battery short circuit detection are included. In one general aspect, a processor-implemented method includes, based on battery data measured by a battery and a battery model of the battery, determining a detection parameter value used for detecting a short circuit of the battery and a variation factor value correlated with the detection parameter, using the variation factor to extract a reference value corresponding to the detection parameter value from a reference data set, and determining whether a short circuit of the battery has occurred based on a result of comparing the detection parameter value with the reference value.

A method and apparatus for estimating a state of a battery. The method includes obtaining a measured voltage of a battery from a sensor connected to the battery, obtaining an estimated voltage of the battery from an electrochemical model stored in a memory, estimating an aging variation of the battery based on the measured voltage and the estimated voltage, and updating an aging parameter of the electrochemical model using the aging variation.

Method and apparatus for estimating state of battery

A stereo matching method includes obtaining a first feature map associated with a first view image and a second feature map associated with a second view image using a neural network model-based feature extractor, determining respective matching costs between a reference pixel of the first view image and candidate pixels of the second view image using the first feature map and the second feature map, and determining a pixel corresponding to the reference pixel among the candidate pixels based on the determined matching costs.

Stereo matching method and apparatus, image processing apparatus, and training method therefor

A processor-implemented method with battery state estimation includes estimating a current state of charge (SOC) of a target battery by correcting a first electrochemical model corresponding to the target battery using a first voltage difference between a measured voltage of the target battery and an estimated voltage of the target battery that is estimated by the first electrochemical model, estimating an end SOC of the target battery by correcting a second electrochemical model using a second voltage difference between an estimated voltage of a virtual battery that is estimated by the second electrochemical model and a preset voltage, and estimating a relative SOC (RSOC) of the target battery based on the current SOC and the end SOC of the target battery, wherein the second electrochemical model is based on the virtual battery corresponding to the target battery being discharged to reach the preset voltage.

Method and apparatus with battery state estimation

A processor-implemented battery management method includes: estimating state information of a plurality of battery cells in a battery pack using a first battery state estimation model; determining whether state information of at least one of the plurality of battery cells is to be estimated using a second battery state estimation model; and estimating the state information of the at least one battery cell using the second model, in response to a result of the determining being that the state information of the at least one battery cell is to be estimated using the second model.

Method and apparatus with battery management

Disclosed is a method and apparatus for measuring a battery state. The method includes determining an operational mode of a battery; measuring a battery state of the battery using an electrochemical model in response to the battery determined to be operating in a low rate mode, and measuring the battery state using a modified electrochemical model based on a characteristic of the battery, in response to the battery determined to be operating in a high rate mode.

Method and apparatus for measuring state of battery

A battery charging method includes acquiring a functional relationship of a differential value of an amount of charge or a state of charge (SOC) with respect to a voltage of a battery based on the voltage or the SOC, determining charging steps for charging of the battery by analyzing the functional relationship, and generating a charging profile comprising charging currents for each of the charging steps to charge the battery.

Battery charging method and apparatus

A method for generating a three-dimensional (3D) lane model, the method including calculating a free space indicating a driving-allowed area based on a driving image captured from a vehicle camera, generating a dominant plane indicating plane information of a road based on either or both of depth information of the free space and a depth map corresponding to a front of the vehicle, and generating a 3D short-distance road model based on the dominant plane.

Method and apparatus for generating three-dimensional (3D) road model

A battery charging control method and apparatus is disclosed. The battery charging control method includes inputting a preset magnitude of a current to a battery during a preset period of time, identifying a diffusion characteristic of a material in the battery, and determining whether to change the magnitude of the current to be input to the battery based on the identified diffusion characteristic of the material, in which the diffusion characteristic may be determined based on a distribution of the material in one or more of a cathode of the battery, an anode of the battery, and an electrolyte of the battery in response to the input of the current in the battery.

Method and apparatus controlling charging of battery based on diffusion characteristics of material included in the battery

Growing community of inventors

Hwaseong-si, South Korea

Young Hun Sung