Abstract: A method for diagnosing imbalance of a battery pack of an electric vehicle and an apparatus therefor are provided. The method includes receiving current and voltage signals corresponding to the battery pack from a battery management system (BMS), performing signal processing based on the received signals, extracting passive electrochemical impedance spectroscopy (PEIS) data based on the result of the signal processing, setting a threshold for imbalance cell diagnosis based on the PEIS data, and performing imbalance diagnosis of an individual cell in the battery pack based on the threshold.

Abstract: A battery state of charge (SOC) estimation apparatus includes a memory configured to store at least one instruction and at least one processor configured, by executing the at least one instruction to obtain a measured terminal voltage and a measured charge and discharge current of the battery. The at least one processor may further generate a fusion model including a plurality of equivalent circuit models for outputting estimated values of different terminal voltages based on the measured terminal voltage and the measured charge and discharge current. The at least one processor may estimate the SOC of the battery based on an output of the fusion model.

Abstract: A method and an apparatus generate a PEIS fault pattern which is used for electric vehicle battery pack safety diagnosis. The fault pattern generating method for electric vehicle battery safety diagnosis includes generating a pre-learning model based on a driving profile corresponding to a pre-owned battery cell, generating a new learning model for transfer learning based on the pre-learning model, and generating a fault passive electrochemical impedance spectroscopy (PEIS) pattern corresponding to a target battery cell by inputting current data corresponding to the target battery cell into the new learning model. The pre-owned battery cell includes an existing battery cell in a normal state, an existing battery cell in a faulty state, and the target battery cell in a normal state.

Abstract: A method for diagnosing safety of a battery pack includes receiving a current/voltage signal corresponding to the battery pack from a battery management system (BMS). The method further includes performing current/voltage signal processing based on the received signal. The method further includes extracting a Passive Electrochemical Impedance Spectroscopy (PEIS) pattern based on a signal processing result. The method further includes converting an image into an image for the PEIS pattern. The method further includes classifying a battery fault pattern by applying the converted image to a pre-learned model. The method further includes generating a fault tree based on the classified battery fault pattern. The method further includes monitoring safety of the battery pack based on the generated fault tree.

Abstract: A method of classifying a cerebrovascular branch in cerebrovascular image is disclosed, the method including receiving, by an analysis device, an cerebrovascular image of a subject; extracting, by the analysis device, a plurality of vascular unit structures from the cerebrovascular image based on geometric features of a 3D model; extracting, by the analysis device, feature values for each of the plurality of vascular unit structures; inputting, by the analysis device, the feature values of each of the plurality of vascular unit structures into a first learning model trained in advance, and classifying chunks to which each of the plurality of vascular unit structures belongs; and inputting, by the analysis device, the feature values of each of the vascular unit structures belonging to same chunk into a second learning model trained in advance, and classifying a vessel branch composed of the vascular unit structures belonging to the same chunk.

Abstract: The present invention relates to a video monitoring method in an area where a plurality of CCTV cameras is installed, such as an urban area. As a digital twin Cyber Physical System (CPS) is constructed, and a control server connected to a camera and a computer connected to the control server are configured, and a model object generated from a CPS model and video information transmitted from the camera are collected in the control server and transmitted to the computer, users may confirm a digital twin-based model object together with actually captured video information. Through the present invention, it is possible to immediately and clearly confirm surrounding spaces, as well as the location of a camera transmitting specific video information in video monitoring of a wide area such as urban areas, and efficiency and accuracy of viewing the video information of a plurality of cameras can be dramatically improved.

Abstract: A memory module includes a memory device that includes a memory cell array including a fault block in which a fault cell is included and a remap block for replacing the fault block, and a controller that communicates with a host device through a compute express link (CXL) interface and to control the memory device. The controller may redundantly store recovery information including a fault flag and a remap address corresponding to the remap block in the memory device, may read data corresponding to a target address from the memory device, based on receiving a first, may identify whether the target address is the fault address, based on the data corresponding to the target address, and may generate a second request including the remap address based on the data corresponding to the target address, when it is determined that the target address is the fault address.

Abstract: A multilayer electronic component includes a body having first and second surfaces opposing each other in the first direction, third and fourth surfaces opposing each other in a second direction, fifth and sixth surfaces opposing each other in a third direction to form a hexahedral shape, and an external electrode disposed on the third and fourth surfaces. In at least one cross-section, among a cross-section in first and second directions of the body and a cross-section in first and third directions of the body, at least one of corner regions connecting two adjacent surfaces to each other, among the first to sixth surfaces, includes a first curved section connected to one surface, among the two adjacent surfaces, a second curved section connected to the other surface, among the two adjacent surfaces, and a straight section connecting the first and second curved sections to each other.

Abstract: A method for displaying a route of a navigation terminal by using a drawing gesture includes determining a first route from a departure point to a destination by receiving a drawing gesture for determining the first route and displaying information on the first route. The drawing gesture is formed by free movement of a touch point on a touch display of the navigation terminal that is displaying a map, and the free movement is movement of a touch point that is not limited to a road included in the map.

Abstract: A packaging device including bumps and a method of manufacturing the packaging device are presented. In the method of manufacturing a packaging device, a dielectric layer that covers a packaging base is formed and a lower layer is formed over a packaging base including first and second connecting pads. A plurality of dummy bumps that overlaps with the dielectric layer is formed. A sealing pattern that covers the dummy bumps, filling areas between the dummy bumps, is formed. A lower layer pattern in which the plurality of dummy bumps have been disposed is formed by removing portions of the lower layer that are exposed and do not overlap with the sealing pattern.

Abstract: A semiconductor device includes: a first stack including first material layers and second material layers that are alternately stacked; a penetration structure extending through the first stack and including an air gap; and a second stack located under the first stack and Including a key pattern located to correspond to the air gap.

Abstract: A semiconductor device is provided with differently-shaped conductive through-vias, having different-shape horizontal cross-sections. The cross-sectional shapes of the via include but are not limited to circular and ring shaped, which are cross sections that correspond to vias that are pillar shaped and tube-shaped respectively.

Abstract: A packaging device including bumps and a method of manufacturing the packaging device are presented. In the method of manufacturing a packaging device, a dielectric layer that covers a packaging base is formed and a lower layer is formed over a packaging base including first and second connecting pads. A plurality of dummy bumps that overlaps with the dielectric layer is formed. A sealing pattern that covers the dummy bumps, filling areas between the dummy bumps, is formed. A lower layer pattern in which the plurality of dummy bumps have been disposed is formed by removing portions of the lower layer that are exposed and do not overlap with the sealing pattern.

Abstract: The present invention relates to a control collaboration method for an area that requires a patrol or inspection work, such as an urban area or a large building, in which a control room computer 10 and a mobile terminal 50 of a field agent are connected to a control server 30, and a CPS server 40 equipped with a CPS model 41 is connected to the control server 30, so that location information and video information 17 transmitted from the mobile terminal 50 are output to be combined with a model object 18 provided by the CPS model 41. Through the present invention, as information can be shared smoothly between field agents and the control room in performing control works in a wide area such as a large building, an urban area, or the like, the field agents may faithfully utilize information provided by the digital twin CPS server 40, and control room workers may accurately and quickly grasp the situations at the scene.

Abstract: A battery control apparatus and a method are disclosed. A processor of the battery control apparatus may identify average open-circuit voltage (OCV) corresponding to all of a plurality of state-of-charge (SOC) sections by performing at least one of charging a battery, discharging the battery, or any combination thereof by using a designated current smaller than or equal to a threshold current. The processor may obtain a hysteresis parameter according to each of the plurality of SOC sections of the battery by using at least one of the battery information, the average OCV, or any combination thereof. The processor may identify the SOC of the battery while performing at least one of charging the battery, discharging the battery, or any combination thereof, by using the hysteresis parameter and a Kalman filter according to each of the plurality of SOC sections.

Abstract: The present invention relates to a video monitoring method in an area where a plurality of CCTV cameras is installed, such as an urban area. As a digital twin Cyber Physical System (CPS) is constructed, and a control server connected to a camera and a computer connected to the control server are configured, and a model object generated from a CPS model and video information transmitted from the camera are collected in the control server and transmitted to the computer, users may confirm a digital twin-based model object together with actually captured video information. Through the present invention, it is possible to immediately and clearly confirm surrounding spaces, as well as the location of a camera transmitting specific video information in video monitoring of a wide area such as urban areas, and efficiency and accuracy of viewing the video information of a plurality of cameras can be dramatically improved.

Abstract: The present disclosure relates to a substrate processing apparatus that controls supply of a process gas through a valve block. The substrate processing apparatus includes a substrate support on which a substrate is supported, a shower head part provided to face the substrate support and configured to inject a process gas toward the substrate, and a gas supply part configured to supply the process gas to the shower head part. The gas supply part includes a valve block part installed on an upper portion of the shower head part to adjust a flow of the process gas.

Abstract: A multilayer electronic component includes a body including a dielectric layer and a plurality of internal electrodes, and external electrodes. The internal electrodes each include a main portion and a lead-out portion extending from the main portion and having a connection terminal in contact with a corresponding one of the external electrodes. A width of the lead-out portion gradually decreases from the main portion to the connection terminal. The main portion includes a first saddle portion disposed on an end portion spaced apart from the lead-out portion, and the lead-out portion includes a second saddle portion disposed on a side end portion. Thicknesses of the first and second saddle portions are greater than a thickness of a central portion of the main portion. The lead-out portion of one internal electrode has an overlap region overlapping the main portion of a neighboring internal electrode among the plurality of internal electrodes.