Abstract: The present invention relates to a mobile robot and a method for controlling the same. The present invention provides a mobile robot using the rotational force of at least three rotating members as a movement power source and a method for controlling the same, in which the mobile robot is controlled to effectively travel along a set curved driving path and not deviate from the set curved driving path, or to immediately return to the curved driving path when deviating from the set curved driving path.

Abstract: Provided is a robot cleaner in which a liquid may be uniformly supplied to a plurality of cleaners and which is easily inspected and repaired in case of defects such as water leakage. The robot cleaner includes a main body portion; a plurality of cleaner fixing portions provided at a lower portion of the main body portion, a plurality of cleaners for wet cleaning being fixed to the plurality of cleaner fixing portions, respectively; a liquid supply portion provided in the main body portion and storing a liquid and supplying the stored liquid to at least one of the plurality of cleaners; a liquid distribution member provided at a lower portion of the main body portion and directly supplying the stored liquid to at least one cleaner of the plurality of cleaners; and a flow path portion providing a movement path of the liquid from the liquid supply portion to the liquid distribution member.

Abstract: Provided is a molded product manufactured from a thermoplastic resin composition containing a polycarbonate-based polymer, a polysiloxane-polycarbonate copolymer, a polysiloxane-polyester copolymer, and a benzotriazole-based UV stabilizer having a molecular weight equal to or greater than about 1,800.

Abstract: This disclosure relates to a method of preparing a lithium compound that includes preparing a lithium phosphate, mixing the lithium phosphate with sulfuric acid to obtain a mixture, converting the lithium phosphate into lithium sulfate through a reaction in the mixture, and separating the lithium sulfate in a solid phase, wherein in the step of converting the lithium phosphate into lithium sulfate through the reaction in the mixture, a sum concentration ([P+S] mol/L) of phosphorus (P) and sulfur (S) in a liquid phase of the mixture is greater than or equal to 5 mol/L.

Abstract: A manufacturing method of a symbol button for a vehicle includes: preparing a button body comprising a side portion, a top portion formed of a polymer material on which a metal is able to be plated; forming an electrically conductive layer on an outside of the button body using a conductive polymer material; forming a plating shielding layer in a form of a symbol using a material on which a metal is not able to be plated on the electrically conductive layer; and performing metal plating on the outside of the button body having the plating shielding layer.

Abstract: Provided is an ink composition for implementing a hidden-type emblem or lettering that emits light in an emblem or lettering form by reflecting external light, without having a light source inside the emblem.

Abstract: Provided are a cleaning robot and a control method thereof. A control method of a cleaning robot using a rotational force of a plurality of rotation members as a motive power source for its driving, includes: driving the cleaning robot by rotating at least one of a first rotation member performing a rotational motion around a first rotation axis and a second rotation member performing a rotational motion around a second rotation axis; determining whether the cleaning robot reaches a wall surface during its driving; and driving the cleaning robot along the wall surface by rotating at least one of the first and second rotation members while maintaining one side surface of the cleaning robot to be in close contact with the wall surface when it is determined that the cleaning robot reaches the wall surface.

Abstract: A highly durable electrolyte membrane using cerium oxide supported with an alloy catalyst that is a hydrogen-oxygen reaction catalyst for improving chemical durability of an electrolyte membrane increases durability of a membrane-electrode assembly including the same and decreases the manufacturing cost thereof.

Abstract: A lighting apparatus for vehicles which may provide a unique and beautiful image of an electrified vehicle and aesthetic sensibility, and a method of manufacturing the same, include a light source configured to emit light, a light guide plate configured to diffuse the light emitted by the light source, and a lens cover configured to transmit the light diffused by the light guide plate and to emit the light forwards of the light cover, and irregularities configured to form thickness differences of the lens cover depending on a position on the lens cover or a portion of the lens cover are formed on an internal surface of the lens cover configured so that light having passed through the light guide plate is incident thereupon.

Abstract: A nonvolatile memory device including a memory cell array, a first voltage generator configured to generate a word line operating voltage for each word line of the memory cell array, a second voltage generator configured to generate a bit line operating voltage of the memory cell array, and a temperature unit configured to determine, from a temperature range table, a temperature range for a temperature code according to a real-time temperature of the memory cell array, and to adjust a power supply voltage of the first or second voltage generator based on a selection signal mapped to the determined temperature range.

Abstract: Provided are a cleaning robot and a control method thereof. The control method of the cleaning robot including a first rotation member and a second rotation member each performing a rotational motion around a first rotation axis and a second rotation axis according to the present disclosure includes: obtaining acceleration of the cleaning robot and at least one of rotational loads and rotational speeds of the respective first and second rotation members, during driving of the cleaning robot; determining whether the obtained acceleration is abnormal and whether at least one of the obtained rotational loads or at least one of the obtained rotational speeds is abnormal; and determining that an obstacle is detected when the acceleration is determined to be abnormal and at least one of the rotational loads or at least one of the rotational speeds is determined to be abnormal.

Abstract: The present disclosure relates to a resin composition and relates to a resin composition having excellent heat resistance and impact resistance and accomplishing the high degree of blackness.

Abstract: The present disclosure relates to a lithium hydroxide manufacturing method, which includes: roasting a lithium-containing raw material in sulfuric acid; leaching the roasted lithium-containing raw material to obtain a solution containing lithium sulfate; a first purifying the leaching solution with a pH of 7.1 to 9.5; a second purifying the first purified solution with pH of 9 to 11; and obtaining an aqueous solution of a lithium hydroxide by bipolar electrodialysis of the second purified a solution.

Abstract: A lighting apparatus for vehicles which may provide a unique and beautiful image of an electrified vehicle and aesthetic sensibility, and a method of manufacturing the same, include a light source configured to emit light, a light guide plate configured to diffuse the light emitted by the light source, and a lens cover configured to transmit the light diffused by the light guide plate and to emit the light forwards of the light cover, and irregularities configured to form thickness differences of the lens cover depending on a position on the lens cover or a portion of the lens cover are formed on an internal surface of the lens cover configured so that light having passed through the light guide plate is incident thereupon.

Abstract: A porous transport layer is disclosed. The porous transport layer includes a base layer containing a titanium family element, a first coating layer disposed on one surface of the base layer and containing iridium (Ir), and a second coating layer disposed on the other surface of the base layer, and containing at least one of platinum (Pt), gold (Au), and silver (Ag), and a method for preparing the same.

Abstract: It is introduced that a device of manufacturing lithium sulfate comprising: a reaction body in which a reaction of lithium phosphate and sulfuric acid is performed, the reaction body being divided into an upper space and a lower space; a pressurizer for applying pressure to the inside of the reaction body; a stirrer disposed in the upper space for stirring the lithium phosphate and sulfuric acid to produce a mixture containing lithium sulfate and phosphoric acid; and a filter disposed inside the reaction body and separating the filtrate containing the phosphoric acid into the lower space by filtering the mixture.

Abstract: A water shortage detection system comprises: a body; a drive unit which is provided in the body to supply power for traveling of a robot cleaner; a plurality of rotary members which rotate about a plurality of respective rotation axes by the power from the drive unit and to which cleaners for wet cleaning of a surface to be cleaned can be fixed respectively; a water tank which is provided in the body to store water; a pump motor which supplies water stored in the water tank to the rotary members; and a control unit which measures the load current of the pump motor, wherein a water shortage state in the water tank is detected on the basis of the measured value of the load current of the pump motor.

Abstract: The present disclosure relates to a method for providing whether a patient is accompanied by a caregiver and a device using the same, the method for providing whether the patient is accompanied by the caregiver being configured to be implemented by a processor and including receiving an outpatient clinic record from a user device, tokenizing each sentence of the outpatient clinic record as a unit of at least one token, encoding the tokenized outpatient clinic record as an integer, and determining whether a psychiatric symptom occurs for a patient related to the outpatient clinic record by inputting the encoded outpatient clinic record by using a determination model that uses the encoded outpatient clinic record as an input and uses whether the psychiatric symptom occurs as an output.

Abstract: A thermoplastic resin composition includes base resin, which includes a polycarbonate resin and an acrylonitrile-butadiene-styrene (ABS) resin, and an additive. The ABS resin includes a rubber-modified vinyl-based graft copolymer resin, an aromatic vinyl-vinyl cyanide-based copolymer resin. The polycarbonate resin has a weight-average molecular weight of 20,000 g/mol to 40,000 g/mol, and the rubber-modified vinyl-based graft copolymer resin comprises 50 wt % to 60 wt % of polybutadiene rubber based on a total wt % of the thermoplastic resin composition.

Abstract: Disclosed herein is a robot cleaner. The robot cleaner includes a body, a drive unit provided in the body to power the robot cleaner to travel, and a plurality of rotating members, each rotating about its axis of rotation by the power of the drive unit, a cleaner section being fixable to each of the rotating members to perform wet cleaning on a surface to be cleaned, wherein each of the rotating members has a predetermined angle of tilt and angle of rotation set, so as to determine a traveling direction of the robot cleaner.