公开(公告)号：EP4198536A1

公开(公告)日：2023-06-21

申请号：EP22739738.7

申请日：2022-01-13

申请人： LG Energy Solution, Ltd.

发明人： SONG, Yee-Gahng

IPC分类号： G01R31/367 ,  G01R31/396 ,  G01R31/392 ,  G01R31/36

摘要： A battery management apparatus according to an embodiment of the present disclosure includes: a battery information obtaining unit configured to obtain a plurality of battery information for a plurality of battery cells; and a control unit configured to calculate a whisker for the plurality of battery information based on a criterion distribution profile for a population of the plurality of battery cells, generate a box plot for the plurality of battery cells based on the plurality of battery information and the calculated whisker, and determine a state of each of the plurality of battery cells according to whether each of the plurality of battery information is included in a threshold region corresponding to the generated box plot.

公开(公告)号：EP4152024A1

公开(公告)日：2023-03-22

申请号：EP21880393.0

申请日：2021-10-06

申请人： LG Energy Solution, Ltd.

发明人： SONG, Yee-Gahng

IPC分类号： G01R31/392 ,  G01R31/382 ,  G01R31/36 ,  G01R19/165

摘要： An apparatus for diagnosing a state of a battery according to an embodiment of the present disclosure includes: a measuring unit configured to measure a voltage of each of a plurality of batteries; a profile generating unit configured to receive voltage information for the voltage of each of the plurality of batteries measured by the measuring unit, and generate a distribution degree profile for the voltage of each of the plurality of batteries based on the received voltage information; and a control unit configured to set a reference voltage for the distribution degree profile based on a criterion profile preset for the plurality of batteries, and diagnose a state of each of the plurality of batteries by comparing the measured voltage of each of the plurality of batteries with the set reference voltage.

公开(公告)号：EP4156375A1

公开(公告)日：2023-03-29

申请号：EP21895042.6

申请日：2021-11-15

申请人： LG Energy Solution, Ltd.

发明人： SONG, Yee-Gahng

IPC分类号： H01M10/42 ,  H04L61/00 ,  G06F15/163

摘要： A BMS managing apparatus according to an embodiment of the present disclosure is a device including a master BMS and a plurality of slave BMSs, and includes: a master BMS configured to send an NV value confirmation request to the plurality of slave BMSs, and send a uniformization request to the plurality of slave BMSs based on whether a source ID is set, when a response to the NV value confirmation request is received from the plurality of slave BMSs; and a plurality of slave BMSs configured to send each NV value to the master BMS when the NV value confirmation request is received from the master BMS, set a representative BMS and a target BMS based on the plurality of NV values, set the representative BMS or a slave BMS corresponding to the source ID as a source BMS according to the uniformization request received from the master BMS, and update an NV value of the target BMS according to an NV value of the source BMS.