公开(公告)号：EP3018792A4

公开(公告)日：2016-07-27

申请号：EP14839876

申请日：2014-08-12

申请人： LG CHEMICAL LTD

发明人： LEE JONGKOOK ,  LEE HYUNCHUL ,  PARK JONGMIN

IPC分类号： H02J7/00

CPC分类号： H02J7/007 ,  H02J7/0014 ,  Y02T10/7055

摘要： Disclosed herein is a method of balancing rack voltages of a battery pack configured to have a structure in which a plurality of racks is connected in series or in parallel to each other, and a plurality of unit modules is connected in series to each other in each of the racks, the rack voltage balancing method including (a) a voltage measurement step of measuring voltages of the racks, (b) an sorting step of sorting the racks in ascending powers based on the voltage values of the racks, (c) a comparison step of comparing a difference between a maximum voltage value and a minimum voltage value with a set voltage, (d) a charging/discharging count step of comparing the voltage values of the racks with a reference voltage to increase a charging or discharging count, and (e) a charging/discharging step of charging or discharging the racks according to the charging or discharging count, wherein, in a case in which, at step (c), the difference between the maximum voltage value and the minimum voltage e value is lower than the set voltage, the racks are charged with the maximum voltage value without steps (d) and (e), and, in a case in which, at step (c), the difference between the maximum voltage value and the minimum voltage value is higher than the set voltage, steps (d) and (e) are carried out.

公开(公告)号：EP2753040A4

公开(公告)日：2015-07-15

申请号：EP13838054

申请日：2013-10-24

申请人： LG CHEMICAL LTD

发明人： LEE HYUNCHUL ,  HEO JIN SEOK

IPC分类号： H04L25/02 ,  G06F13/40

CPC分类号： H03K19/0005 ,  G06F13/4086 ,  H04L25/0272 ,  H04L25/0278 ,  H04L25/0298

摘要： Disclosed are an apparatus for generating terminating resistance for differential input mode communication and a differential input mode communication apparatus. The apparatus for generating terminating resistance for differential input mode communication according to the present invention includes: a first circuit unit including a first ground terminal and operating only when the first ground terminal is connected to a ground; a second circuit unit including a second ground terminal and operating only when the second ground terminal is connected to the ground; and a terminating resistance generating unit generating terminating resistance when one of the first ground terminal and the second ground terminal is not connected, and as a result, only one of the first circuit unit and the second circuit unit operates.

公开(公告)号：EP3252489A4

公开(公告)日：2018-01-24

申请号：EP16743716

申请日：2016-01-28

申请人： LG CHEMICAL LTD

发明人： LEE HYUNCHUL ,  PARK JONGMIN ,  JANG KIWOOK ,  LEE JONGBUM

IPC分类号： G01R31/36 ,  G01R31/28

CPC分类号： G01R31/3651 ,  G01R31/28 ,  G01R31/2812 ,  G01R31/36 ,  G01R31/3606 ,  G01R31/3679

摘要： The present invention relates to an apparatus and a method for estimating a state of a battery, and more particularly, an apparatus for estimating a state of a battery includes: a first SOC estimating unit estimating a first state of charging (SOC) of the battery based on open circuit voltage and a temperature of the battery; a first SOH estimating unit estimating a first state of health of the battery based on the first SOC and the current of the battery; and a second SOC estimating unit estimating a second SOC of the battery based on the first SOH, charging/discharging voltage, the temperature, and the current of the battery or estimating the second SOC of the battery based on the charging/discharging voltage, the temperature, and the current of the battery.

公开(公告)号：EP3082214A4

公开(公告)日：2017-08-23

申请号：EP15852486

申请日：2015-10-23

申请人： LG CHEMICAL LTD

发明人： LEE HYUNCHUL

IPC分类号： H02J7/00

CPC分类号： G05B23/0208 ,  H02J7/00 ,  H02J7/0021 ,  H02J7/0029 ,  H02J7/007 ,  Y02T10/7055

摘要： Disclosed is a technology for detecting an erroneous operation of a task scheduler of a battery management system, which is capable of easily detecting an erroneous operation of a scheduler during an operation to improve stability of the battery management system. An apparatus for detecting an erroneous operation of a task scheduler of a battery management system according to an exemplary embodiment of the present invention includes: a first scheduler module configured to control a first task to be executed for every first period; a second scheduler module configured to control a second task to be executed for every second period; a task counting unit configured to increase the first counting value for the first scheduler module in accordance with the first period whenever the first task is executed, and increase the second counting value for the second scheduler module in accordance with the second period whenever the second task is executed; and an erroneous operation detecting unit configured to detect erroneous operations of the first scheduler module and the second scheduler module based on the first counting value and the second counting value.

摘要翻译： 本发明公开了一种用于检测电池管理系统的任务调度器的错误操作的技术，该技术能够容易地检测操作期间调度器的错误操作，以提高电池管理系统的稳定性。 根据本发明的示例性实施例的用于检测电池管理系统的任务调度器的错误操作的装置包括：第一调度器模块，被配置为控制将针对每个第一时段执行的第一任务; 第二调度器模块，被配置为控制第二任务在每个第二时段被执行; 任务计数单元，被配置为每当执行所述第一任务时根据所述第一周期增加所述第一调度器模块的所述第一计数值，并且每当所述第二任务时根据所述第二周期增加所述第二调度器模块的所述第二计数值 被执行; 以及错误操作检测单元，被配置为基于第一计数值和第二计数值来检测第一调度器模块和第二调度器模块的错误操作。