Abstract: An eco-friendly power source, such as a battery module provided for a transportation vehicle includes a first sub-module and a second sub-module disposed in a first direction, the first sub-module and the second sub-module respectively including a plurality of battery cells stacked in a second direction, which is perpendicular to the first direction, and a lower cover coupled to the first sub-module and the second sub-module. The first sub-module and the second sub-module are disposed to be rotationally symmetrical to each other about a central axis, which is perpendicular to both the first direction and the second direction.

Abstract: An eco-friendly power source such as a battery module is provided for a transportation vehicle, including: a first sub-module and a second sub-module respectively including a cell stack in which a plurality of battery cells are stacked; and a central wall disposed between the first sub-module and the second sub-module, wherein the central wall includes a first central wall facing the first sub-module and a second central wall facing the second sub-module, wherein the first central wall has a rotationary symmetrical shape of the second central wall around a first axis.

Abstract: A bitline sense amplifier including: an amplifier which is connected between a first sensing bitline and a second sensing bitline, and detects and amplifies a voltage difference between a first bitline and a second bitline in response to a first control signal and a second control signal; and an equalizer which is connected between a first supply line through which the first control signal is supplied and a second supply line through which the second control signal is supplied, and pre-charges the first bitline and the second bitline with a precharge voltage in response to an equalizing control signal, wherein the equalizer includes an equalizing enable transistor in which a source terminal is connected to the first supply line and performs equalizing in response to the equalizing control signal.

Abstract: An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.

Abstract: A semiconductor memory device includes a memory bank arranged into first through nth split regions containing at least one memory cell sub-array within each split region, and first through nth global input/output (GIO) split lines electrically coupled to the first through nth split regions. First through n-lth connection control transistors are provided, which have gate terminals responsive to respective connection control signals. The first connection control transistor is configured to electrically short the first and second GIO split lines together when enabled by a corresponding connection control signal, and the n-1th connection control transistor is configured to electrically short the n-1th and nth GIO split lines together when enabled by a corresponding connection control signal. A GIO sense amplifier is provided, which is electrically coupled to the memory bank.

Abstract: A stator for an AFPM motor and a method of manufacturing the stator are disclosed. The stator includes a stator housing having radially extending blades, a stacked core, and a winding core wound along an outer circumferential surface of the stacked core. The stacked core is coupled to the plurality of blades. The stator has an outer housing coupled to an outer circumferential surface of the stator housing to seal an inner space of the stator housing and has outer ring covers coupled to opposite side surfaces of the stator housing, respectively.

Abstract: A battery module includes: first and second sub-battery modules, respectively comprising a cell stack including a plurality of battery cells, and a bus bar assembly disposed at least one side of the cell stack; and a central wall disposed between the first and second sub-battery modules, wherein the central wall includes a hollow venting passage formed in a direction intersecting the direction that the first and second sub-battery modules are disposed such that gas or flames occurring in the first or second sub-battery modules are allowed to flow from inside the battery module through the hollow venting passage to the outside of the battery module.

Abstract: An eco-friendly power source, such as a battery module is provided for a transportation vehicle and includes a plurality of cell assemblies including a first cell assembly and a second cell assembly each including a plurality of battery cells; a connection member connected to the first cell assembly and the second cell assembly, respectively; a lower cover supporting the plurality of cell assemblies; and end cover spaced apart from the connection member, wherein the first cell assembly and the second cell assembly have at least one side opposing the connection member and the other side opposing the end cover.

Abstract: An eco-friendly power source, such as a battery module for a transportation vehicle includes a first sub-module and a second sub-module each including a plurality of battery cells; a lower cover supporting the first sub-module and the second sub-module; a connection member coupled to the first sub-module and the second sub-module, respectively; and a cooling plate coupled to the lower cover and forming a flow path through which a refrigerant can flow, wherein at least a portion of the flow path is disposed to oppose the connection member with the lower cover interposed therebetween.

Abstract: A battery module is disclosed. In some implementations, the battery module includes: first and second sub-battery modules respectively including a cell stack including a plurality of battery cells and a sensing assembly sensing a state of the plurality of battery cells and an upper cover covering upper portions of the first and second sub-battery modules, wherein the upper cover includes a plurality of through-holes exposing portions of the first and second sub-battery modules, respectively.

Abstract: A battery module includes a cell stack including a plurality of battery cells stacked therein, a bus bar assembly coupled to a side of the cell stack, on which an electrode lead of the battery cell is disposed, and a sensing device coupled to the bus bar assembly and measuring a temperature of the battery cell. The bus bar assembly is coupled to the cell stack in a vertical direction, and the sensing device includes a temperature sensor disposed in close contact with the battery cell, and an elastic bracket pressing the temperature sensor toward the battery cell through elastic force.

Abstract: Disclosed is a battery rack managing apparatus, which may effectively wake up a plurality of module BMSs. The battery rack managing apparatus manages a battery rack provided with a plurality of battery modules, and includes a plurality of module BMSs provided to correspond to one or more battery modules among the plurality of battery modules; a rack BMS configured to communicate with the plurality of module BMSs and control the plurality of module BMSs; a heater configured to generate and supply heat; and a plurality of wake-up units provided to correspond to the plurality of module BMSs, respectively, and including a variable resistor element configured to change a resistance value by the heat supplied by the heater, the plurality of wake-up units being configured to supply a wake-up signal to a corresponding module BMS when the resistance value of the variable resistor element is changed.

Abstract: A vehicle and a method for controlling the same are disclosed. The vehicle may include a plurality of charging ports electrically coupled to a first connector and a second connector, each of the first and second connectors configured to receive power from at least one charger; and a controller configured to receive a charging start command and, upon receiving the charging start command, to control operation of the vehicle to be sequentially paired with the first connector and the second connector when the first connector and the second connector are electrically coupled to the plurality of charging ports.

Abstract: A battery module which uses a flexible printed circuit board (FPCB) to provide a transmission path of information on the voltage or temperature thereof sensed by a bus bar. The battery module may have a smaller size in a height direction compared to a case of using a rigid printed circuit board (RPCB) or a wire instead of the FPCB to provide the transmission path of the information on the voltage or temperature, and may thus have improved energy efficiency per volume.

Abstract: A battery module includes a cell stack body in which a plurality of battery cells are stacked; and a module case accommodating the cell stack body therein having a first surface and a second surface, opposite to the first surface. The module case includes an upper case disposed on one side of the cell stack body; a lower case disposed on the other side of the cell stack body and coupled to the upper case; and a module fastening portion for coupling the battery module to an external structure, wherein the module fastening portion is disposed closer to the first surface of the module case than to the second surface of the module case, and wherein a case fastening portion coupling the upper case and the lower case together is disposed closer to the second surface of the module case than to the first surface of the module case.

Abstract: A battery module includes a cell stack including a plurality of battery cells stacked therein, a bus bar assembly coupled to a side of the cell stack, on which an electrode lead of the battery cell is disposed, and a sensing device coupled to the bus bar assembly and measuring a temperature of the battery cell. The bus bar assembly is coupled to the cell stack in a vertical direction, and the sensing device includes a temperature sensor disposed in close contact with the battery cell, and an elastic bracket pressing the temperature sensor toward the battery cell through elastic force.

Abstract: A method for printing a repositionable note by a server includes creating a chat room in response to a request of a chief client, creating a two-dimensional code including link information to enter the chat room, a password to enter the chat room, and information about time when the two-dimensional code is created, transmitting the two-dimensional code to the chief client, receiving the password and the time when the two-dimensional code is created from one or more participant clients, allowing the one or more participant clients that have accessed the chat room using the link information obtained from a photographed image of the two-dimensional code to enter the chat room, and transmitting information about the one or more printers linked to the chief client in the chat room and information to link to the one or more printers to the one or more participant clients.

Abstract: An apparatus for managing power of a vehicle includes a processor that controls a bypass path for bypassing an input power or a boosting path for boosting the input power corresponding to an idle mode signal, a booster that boosts the input power corresponding to a driving signal to generate an output power, a control circuit that selectively supplies a power for operating the booster corresponding to an output signal of the processor in a boost mode, and a pulse width control circuit that controls a duty of the driving signal corresponding to an output signal of the control circuit.

Abstract: An apparatus for managing power of a vehicle includes a processor that controls a bypass path for bypassing an input power or a boosting path for boosting the input power corresponding to an idle mode signal, a booster that boosts the input power corresponding to a driving signal to generate an output power, a control circuit that selectively supplies a power for operating the booster corresponding to an output signal of the processor in a boost mode, and a pulse width control circuit that controls a duty of the driving signal corresponding to an output signal of the control circuit.

Abstract: A method for compressing time series data includes: reading original data including time series data; measuring a unit of the original data; determining a threshold for determining a range allowing for a difference between compressed data and the original data; performing longest distance downsampling to preserve an abnormal point of the original data; storing a start point and an end point of the original data; performing drop-out on the longest distance downsampling result, wherein the drop-out is not performed for the start point and the end point; and if the number of values of the original data is smaller than ? times the original data length, storing at least one of the values of the original data as a reference point, wherein ? is a real number having a value between 0 and 1.