Abstract: The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.

Abstract: The present invention relates to a decoding method for a bit stream that supports a plurality of layers. The decoding method may include receiving information on a set of video parameters that includes information on the plurality of layers, and parsing the set of video parameters to grasp information on the layers in the bit stream.

Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.

Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.

Abstract: A secondary battery comprises an electrode assembly, a can, and an insulator. The electrode assembly includes a first electrode, a separator, and a second electrode alternately stacked and wound. The can has an accommodation part accommodating the electrode assembly therein, and the can comprises a first can and a second can having cylindrical shapes open in a direction facing each other. The insulator insulates an overlapping portion between the first can and the second can. The first can is electrically connected to the first electrode, and the second can is electrically connected to the second electrode. The insulator has a short-circuit induction through-part defined by a through-hole or a cutoff line, such that a short circuit occurs between the first can and the second can through the short-circuit induction through-part when it is deformed in shape as heat or a pressure is applied to contract or expand the insulator.

Abstract: The present invention relates to an image information decoding method. The decoding method includes receiving a bit stream including a Network Abstraction Layer (NAL) unit that includes information related to encoded image, and parsing a NAL unit header of the NAL unit. The NAL unit header may not include 1 bit flag information that represents whether a picture is a non-reference picture or a reference picture in the entire bit stream during encoding.

Abstract: Provided is a method of forming a micro/nanowire having a nanometer- to micrometer-sized diameter at predetermined positions of an object. The method includes: preparing a micro/nanopipette having a tip with an inner diameter which is substantially the same as the diameter of the micro/nanowire to be formed; filling the micro/nanopipette with a solution containing a micro/nanowire-forming material; brining the solution into contact with the object through the tip of the micro/nanopipette; and pulling the micro/nanopipette from the object at a pulling speed lower than or equal to a predetermined critical speed (?c) to obtain a micro/nanowire having substantially the same diameter as the inner diameter of the micro/nanopipette tip.

Abstract: A battery power table setting method for using battery power efficiently and preventing battery overcharge includes: a first table generation operation for generating a first table by measuring a maximum charging power that prevents an output of a battery from being more than a maximum allowable voltage when the battery having a predetermined SOC value is charged at a predetermined temperature for a predetermined time; a second table generation operation for generating a second table by measuring an SOC value at the time point that the battery reaches the maximum allowable voltage when the battery is charged with a predetermined power value at a predetermined temperature; a third table generation operation for generating a third table by calculating a second maximum charging power according to a predetermined temperature and a predetermined SOC value based on the second table; and a derating table generation operation for generating a derating table.

Abstract: A battery power table setting method for using battery power efficiently and preventing battery overcharge includes: a first table generation operation for generating a first table by measuring a maximum charging power that prevents an output of a battery from being more than a maximum allowable voltage when the battery having a predetermined SOC value is charged at a predetermined temperature for a predetermined time; a second table generation operation for generating a second table by measuring an SOC value at the time point that the battery reaches the maximum allowable voltage when the battery is charged with a predetermined power value at a predetermined temperature; a third table generation operation for generating a third table by calculating a second maximum charging power according to a predetermined temperature and a predetermined SOC value based on the second table; and a derating table generation operation for generating a derating table.

Abstract: Provided is a ventilating apparatus for a drill ship, which allows a drill ship sailing around an arctic region to maintain appropriate temperature and pressure. The ventilating apparatus for the drill ship includes: a derrick forming an enclosed space blocked from the exterior; a moonpool formed under the derrick; an air supply device supplying outside air to the moonpool or the derrick; and an air exhaust device exhausting the supplied outside air out of the top of the derrick.

Abstract: A power storage system includes n number of slave BMSs for transmitting data associated with an electric characteristic value of battery cells, included in battery modules managed by the slave BMSs, through slave communication networks; m number of master BMSs for primarily processing the data associated with an electric characteristic value of battery cells, transmitted through the slave communication networks, and transmitting the primarily processed data through a master communication network; and a super master BMS for secondarily processing the data transmitted through the master communication network. Since the data transmitted from each slave BMS are processed in a master BMSs, the amount of data loaded on a communication line may decrease. Therefore, even though the capacity of a power storage system increases, rapid data collection and data control may be achieved.

Abstract: Provided is an arctic ship with a derrick, which can stably maintain an internal environment of an enclosed derrick. The arctic ship with a derrick includes: the derrick forming an enclosed space blocked from outside air; a moonpool coupled to a lower portion of the derrick to communicate with the derrick and blocked from the outside air; and an air supply/exhaust device installed to communicate an inner space of the derrick or the moonpool with the exterior, wherein air condition of the inner space is maintained or controlled at a predetermined range by the air supply/exhaust device.

Abstract: Disclosed are an apparatus and method for variably controlling the disconnection or connection of switch connections between battery units in a large battery system based on the degree of a sensed dangerous external situation to convert the battery system into a small capacity and low voltage state. The apparatus includes: switches provided to interconnection lines between battery assembly units to electrically connect or disconnect the interconnection lines; a switch control module adapted to apply on/off signals to the switches; and a disconnection control module adapted to control the switch control module based on a sensed dangerous level to vary the position and number of the target switches to be opened or closed and the disconnection intervals. According to the apparatus and method, dangerous external situations of a large battery system can be sensed and the disconnection of physical connections between the battery units can be variably controlled.

Abstract: The present disclosure describes a voltage equalization apparatus for equalizing voltages of adjacent power storage unit racks included in a power storage system. The voltage equalization apparatus according to the present disclosure includes a resistor to which a current flowing from a high-voltage unit rack to a low-voltage unit rack is applied; and a circuit breaker for voltage equalization installed on a line through which the current flows.

Abstract: The present invention relates to a bidirectional power converting apparatus, and more particularly, to a bidirectional power converting apparatus that generates AC power or DC power insulated from each other by physically connecting a plurality of ACDC motor generators to charge a battery.

Abstract: Disclosed is a cell balancing apparatus and method using a voltage variation pattern of a battery cell, which measures voltage of each cell, estimates OCV or SOC of each cell using a voltage variation pattern of each cell including a present voltage and a past voltage, and eliminates a deviation in OCV or SOC between the cells through comparison of the estimated OCV or SOC of each cell. In estimating the OCV of each cell, an output voltage error due to IR drop is corrected. Thus, SOC of each cell may be accurately estimated. And, an accurate estimation of SOC may render substantial elimination for a SOC deviation of each cell. Furthermore, SOC estimating using an output voltage leads to an active cell balancing even during charge and discharge of battery, thereby minimizing an SOC deviation of each cell.

Abstract: Disclosed is a battery module receiving apparatus of a rectangular parallelepiped shape having an inner space with the open front and rear, in which a plurality of battery cell insertion slots are formed at corresponding locations on the upper plate and the lower plate constituting the inner space to erectly insert a plurality of battery cells, and a plurality of heat transfer plate insertion slots are formed adjacent to a plurality of the battery cell insertion slots to erectly insert a plurality of heat transfer plates. A battery pack and a stack-type power storage system may be implemented by inserting a battery module through the front of the battery module receiving apparatus and a battery module thermostat through the rear of the battery module receiving apparatus.

Abstract: In accordance with one aspect of the present invention, provided is an apparatus for managing a battery system having a plurality of battery cells connected in series, the apparatus comprising a performance measurement section for measuring a performance of each of the battery cells; a cell switching section for turning on or off a connection of each battery cell to other battery cells; and a controlling section for comparing the performance of each battery cell measured by the performance measurement section with a reference performance and, in the presence of the battery cell(s) having measured performance lower than the reference performance, controlling the cell switching section to interrupt the connection of the relevant battery cell(s) to other battery cells.

Abstract: A system for automatically recognizing a battery characteristic includes a battery information storage device for storing battery information; and a battery management device is connected to the battery information storage device and configured to battery management standards with reference to the battery information stored in the battery information storage device. In various cases in which a battery model applied to a system changes or various battery models are applied to a single system, the battery management device automatically recognizes characteristics of the different battery models, which allows the battery to be managed according to the optimized management standards suitable for the characteristics of the battery.

Abstract: The present invention discloses an apparatus and method for varying a usable band range of a battery. The apparatus for varying a usable band range of a battery according to the present invention comprises a sensor for measuring and outputting an electrical characteristic value of the battery; and a controller for calculating the amount of charged or discharged energy of the battery from the electrical characteristic value and varying a usable band range of the battery that is charged and discharged, to maintain the pre-established amount of usable energy depending on the degradation degree of the battery. In accordance with the present invention, a usable band range of a battery can be established depending on the degradation degree of the battery, thereby improving the life time thereof.