Abstract: A method of automatically distinguishing absorption or non-absorption of whole blood or blood plasma by using a reflective photosensor in an automatic immunoassay device including a round cartridge which may simultaneously perform the centrifugation and automatic analysis of a blood sample and a tip which may be moved up, down, left and right based on the round cartridge, the method includes: installing the reflective photosensor below the round cartridge; mounting the tip above the round cartridge, and continuously measuring blood non-absorption data in a range including a position where the blood is absorbed by using the reflective photosensor, collecting the measured data and storing the collected data while the tip is raised; continuously measuring blood absorption data by using the reflective photosensor while the tip is lowered and absorbs the blood present in the range including the position where the blood is absorbed from the round cartridge; and determining whether a type of the blood is whole blood

Abstract: A camera module includes a housing, a reflective member positioned in the housing and changing a direction of light to a direction of an optical axis, a carrier carrying the reflective member and rotatable about a first axis with respect to the housing, and a first ball group disposed between the housing and the carrier, wherein the first ball group includes a main ball member providing the first axis of the carrier, and an auxiliary ball member disposed away from the first axis, and one or both of the housing and the carrier partially accommodates the auxiliary ball member, and includes an auxiliary guide groove extended in a circumferential direction of the first axis.

Abstract: An actuator for a camera includes a housing having an inner space, a base and a carrier, disposed in the housing in one direction, a first drive unit generating driving forces in a first direction perpendicular to the one direction and a second direction perpendicular to both the one direction and the first direction, and including a plurality of magnets and a plurality of coils, and a second drive unit generating a driving force in the one direction, and including a magnet and a coil, wherein an optical member is disposed on the carrier, wherein the carrier and the base are configured to be moved together in the first direction and the second direction, and wherein the carrier is configured to be moved relative to the base in the one direction.

Abstract: A reflective module assembly include a housing having an internal space, a first reflective module provided in the housing to change a path of incident light, and a second reflective module provided in the housing to change a path of light emitted from the first reflective module. The first reflective module includes a first reflective member rotatable about a first axis formed by at least two first ball members. The second reflective module includes a second reflective member rotatable about a second axis, perpendicular to the first axis and passing through a rotation axis ball provided at the second reflective module.

Abstract: A camera module includes a housing having an internal space, and a first lens module and a second lens module disposed in the internal space and each configured to be movable in an optical axis direction, wherein a first shaft and a first ball member are disposed between the first lens module and the housing, wherein a second shaft and a second ball member are disposed between the second lens module and the housing, and wherein, when moving in the optical axis direction, rolling friction occurs on one of both sides of each lens module, and sliding friction occurs on the other of both sides.

Abstract: Disclosed are a system and a method for fuel supply control for a fuel cell. The system includes a fuel supply line, a fuel supply valve, a base duty calculator configured to estimate a required supply amount of a fuel gas required for the fuel supply line on the basis of a power generation state of the fuel cell and to calculate a base duty instruction to open the fuel supply valve on the basis of the estimated required supply amount, and a valve controller.

Abstract: Proposed are a fuel cell system and a method of controlling the fuel cell system. The fuel cell system includes: a hydrogen supply unit connected to a hydrogen inlet side of a fuel cell stack, with a supply valve and a sensor being provided in the hydrogen supply unit; a hydrogen discharge unit connected to a hydrogen outlet side of the fuel cell stack, with a water trap and a purge valve being provided in the hydrogen discharge unit; and a controller configured to calculate an amount of hydrogen discharged through the purge valve from an amount of hydrogen supplied to the fuel cell stack and an amount of hydrogen consumed therein, and to perform compensation control of the supply valve when the amount of the discharged hydrogen is at or above a reference value.

Abstract: A control system and method for preventing a fuel cell from overheating are disclosed. The system includes: a fuel cell that generates electric power through reaction of fuel gas and oxidation gas; a cooling line in which a cooling medium flows and performs heat exchange with the fuel cell; a cooling pump installed on the cooling line and configured to circulate the cooling medium through the cooling line; a cooling controller that controls an operating state of the cooling pump on the basis of the temperature of the fuel cell or the cooling medium; and a power generation controller that limits power generation of the fuel cell on the basis of the operating state of the cooling pump.

Abstract: The present disclosure relates to an apparatus and a method for controlling a concentration of exhaust hydrogen in a fuel cell system. The apparatus may include an air exhaust valve for discharging hydrogen from a cathode in a fuel cell stack to an outside environment through an air exhaust line, an air compressor for supplying ambient air to the air exhaust line, an air cut-off valve for blocking air supplied to the cathode, and a controller that opens the air exhaust valve and drives the air compressor when starting to supply hydrogen to the fuel cell stack, and opens the air cut-off valve such that a concentration of the hydrogen discharged from the cathode is reduced by air in the air exhaust line when the hydrogen supply is completed.

Abstract: A method for controlling an output of a fuel cell stack is provided. The method includes calculating a total requirement current value to be output from a plurality of fuel cell stacks in a fuel cell electric vehicle (FCEV) including the plurality of fuel cell stacks. The calculated total requirement current value is then allocated to each fuel cell stack based on a voltage of the fuel cell stack.

Abstract: A device and a method for controlling updates of ECUs of a vehicle are provided. A communication device receives a request for associated software updates of electronic control units (ECUs) arranged within a vehicle, and a controller determines whether to start the vehicle based on a state of charge (SOC) of a battery. The controller performs updates of ECUs in a first group in a start on state of the vehicle, and performs updates of ECUs in a second group in a start off state of the vehicle to complete a software update for a function involving the plurality of ECUs.

Abstract: The present disclosure relates to an apparatus and a method for controlling a concentration of exhaust hydrogen in a fuel cell system. The apparatus may include an air exhaust valve for discharging hydrogen from a cathode in a fuel cell stack to an outside environment through an air exhaust line, an air compressor for supplying ambient air to the air exhaust line, an air cut-off valve for blocking air supplied to the cathode, and a controller that opens the air exhaust valve and drives the air compressor when starting to supply hydrogen to the fuel cell stack, and opens the air cut-off valve such that a concentration of the hydrogen discharged from the cathode is reduced by air in the air exhaust line when the hydrogen supply is completed.

Abstract: A steering column assembly includes a mounting bracket having a first arm and a second arm, a steering column and a locking device which is configured to be in a locking state or an unlocking state to selectively allow a tilt motion of the supporting housing and the steering column by applying or removing clamping force to or from the first arm and the second arm. The locking device includes a tilting bolt which is connected to the lever to rotate together with the lever and passes through the first arm and the second arm to be able to rotate between the locking state and the unlocking state and a first locking unit and a second locking unit which respectively operate in response to rotation of the tilting bolt and selectively apply clamping force to the first and the second arms.

Abstract: An over-the-air (OTA) update control method includes: receiving, by a management controller, update data from an OTA server; transmitting, by the management controller, OTA update information to an communication controller; transmitting, by the communication controller, the OTA update information to a user terminal; outputting, by the user terminal, an update list and update details based on the OTA update information; receiving either an approval or a denial of OTA update from the user terminal; and executing, by the management controller, the OTA update based on the approval of the OTA update.

Abstract: A collapsible steering column assembly includes: a mounting bracket having a pair of arms and is configured to be fixed to a vehicle body; a supporting housing which is disposed between the pair of arms to be tiltable about the mounting bracket; a steering column which passes through the supporting housing so as to be able to undergo a tilt motion together with the supporting housing; and a locking device which is configured to be in a locking state or an unlocking state to selectively allow a telescopic motion and a tilt motion of the steering column by selectively applying clamping force to the pair of arms.

Abstract: The present disclosure relates to a method of recovering performance of a fuel cell stack in a fuel cell system of a vehicle. The method includes determining whether the fuel cell stack is in a state in which a stack performance recovery operation is possible based on information collected from the vehicle using a predetermined stack state determination criterion, determining whether the vehicle is in a state in which the stack performance recovery operation is possible based on operation information of a fuel cell system, and performing the stack performance recovery operation upon determining that the fuel cell stack is in the state in which the stack performance recovery operation is possible and that the vehicle is in the state in which the stack performance recovery operation is possible.

Abstract: A method for controlling an output of a fuel cell stack is provided. The method includes calculating a total requirement current value to be output from a plurality of fuel cell stacks in a fuel cell electric vehicle (FCEV) including the plurality of fuel cell stacks. The calculated total requirement current value is then allocated to each fuel cell stack based on a voltage of the fuel cell stack.

Abstract: A steering column assembly includes a mounting bracket having a first arm and a second arm, a steering column and a locking device which is configured to be in a locking state or an unlocking state to selectively allow a tilt motion of the supporting housing and the steering column by applying or removing clamping force to or from the first arm and the second arm. The locking device includes a tilting bolt which is connected to the lever to rotate together with the lever and passes through the first arm and the second arm to be able to rotate between the locking state and the unlocking state and a first locking unit and a second locking unit which respectively operate in response to rotation of the tilting bolt and selectively apply clamping force to the first and the second arms.

Abstract: A collapsible steering column assembly includes: a mounting bracket having a pair of arms and is configured to be fixed to a vehicle body; a supporting housing which is disposed between the pair of arms to be tiltable about the mounting bracket; a steering column which passes through the supporting housing so as to be able to undergo a tilt motion together with the supporting housing; and a locking device which is configured to be in a locking state or an unlocking state to selectively allow a telescopic motion and a tilt motion of the steering column by selectively applying clamping force to the pair of arms.

Abstract: A control method for a motor-driven vehicle is provided. The method includes calculating a correction torque of a drive motor through a difference between speeds of wheels or a variance rate of the difference between speeds of the wheels and comparing a calculated correction torque with a current required torque of the drive motor. When the calculated correction torque is greater than the current required torque, the drive motor is operated based on the current required torque. When the calculated correction torque is less than or equal to the current required torque, the drive motor is operated based on the calculated correction torque, or the required torque of the drive motor is corrected to correspond to the calculated correction torque and the drive motor is operated based on a corrected required torque of the drive motor.