Abstract: A vibration reduction device having an acoustic meta structure mounted to a vehicle body and configured to block a structure-borne noise transmitted through the vehicle body may include a plurality of unit structures arranged at a predetermined interval therebetween, wherein each of the unit structures includes frame mounted to the vehicle body and configured to separate a predetermined space into a predetermined number of separate sections formed by walls of the frame; and a vibrator formed at a corner portion of each of the separate sections and each of which has a natural frequency to block a vibration transmitted from the vehicle body through the frame.

Abstract: A motor driven power steering control method may include setting a virtual steering system model including a column connecting a steering wheel to a rack gear, determining a column stiffness torque using torsional displacement of the column in the set virtual steering system model, and determining a target steering torque based on the determined column stiffness torque.

Abstract: An opening device for a urea water inlet may include a first body configured to be provided on an external side of an inlet of a urea filler neck; a second body disposed at an upper end portion of the first body with a ventilation gap between the first body and the second body, and provided with an internal space to be disposed above the inlet; a cover disposed at an upper end portion of the second body, and configured to receive a force to open the internal space of the second body; an opener provided in the second body, and configured to hold the cover at the upper portion of the second body when the cover is configured to close the internal space, and to release holding of the cover when being pressed toward an interior of the second body; and a membrane disposed between the first body and the second body to pass only air therethrough while covering the ventilation gap.

Abstract: A vehicle thermal management system includes a cooling apparatus including a radiator, a first water pump, and a valve connected through a coolant line, a battery cooling apparatus including a second water pump and a battery module connected by a battery coolant line; a chiller connected to the battery coolant line and connected to an air conditioner through a refrigerant connection line connected to the battery coolant line and connected to a refrigerant line of the air conditioner through a refrigerant connection line, to adjust a temperature of the coolant by performing heat exchange between a coolant supplied to the battery coolant line and a refrigerant selectively supplied from the air conditioner; and a heating circuit for warming an interior of the vehicle by use of the coolant having a temperature increased while the coolant passes through at least one electrical component.

Abstract: A vehicle may include a communicator configured to receive driver state information from a surrounding vehicle, a detector configured to obtain driving information related to surrounding vehicle, a driving assistance module configured to control at least one of a driving speed or a driving direction and a controller configured to determine whether a driver of the surrounding vehicle is in drowsiness state based on whether the received driver state information satisfies a predetermined condition and if the driver of the surrounding vehicle is determined as drowsiness state, control the driving assistance module to avoid the surrounding vehicle.

Abstract: An integrated flow control valve apparatus for controlling a flow rate of coolant in an engine cooling system for cooling an engine including a cylinder block and a cylinder head mounted above the cylinder block, includes a valve housing; a plurality of coolant ports formed at the valve housing and provided as inlets and outlets through which the coolant flows into and out of the valve housing; and valves configured for opening and closing the coolant ports, wherein the coolant ports include a first inlet port for introduction of the coolant from the cylinder block and a second inlet port for introduction of the coolant from the cylinder head into the valve housing; and the flow of the coolant at the first and second inlet ports is controlled by the valves configured to vary the flow of the coolant in the cylinder block and the cylinder head.

Abstract: An evaporation gas active purge system may include a purge line of connecting a canister for absorbing an evaporation gas of a fuel tank to an intake pipe; a purge pump mounted on the purge line; a purge valve mounted on the purge line to be disposed between the purge pump and the intake pipe; a pressure sensor mounted on the purge line to be disposed between the purge pump and the purge valve; and a control unit of receiving a signal from the pressure sensor, and transmitting an operating signal to the purge pump and the purge valve, wherein the control unit controls the purge pump and the purge valve by an engine condition and a vehicle speed.

Abstract: A motor driven power steering control method may include setting a virtual steering system model including a column connecting a steering wheel to a rack gear, determining a column stiffness torque using torsional displacement of the column in the set virtual steering system model, and determining a target steering torque based on the determined column stiffness torque.

Abstract: A heat pump system for a vehicle utilizes one chiller in which a coolant and a refrigerant are heat-exchanged to adjust a temperature of a battery module, and utilizes a sub-centralized energy module with waste heat of an electrical component in a heating mode of the vehicle to improve heating efficiency.

Abstract: A continuous variable valve duration apparatus may include a camshaft, a cam unit on which a cam is formed, wherein the camshaft is inserted into the cam unit, a guide bracket having an upper guide boss formed thereon, an internal wheel transmitting rotation of the camshaft to the cam unit, a wheel housing in which the internal wheel is rotatable inserted, wherein the wheel housing includes a guide shaft on which a guide screw thread is formed and the guide shaft is inserted into the upper guide boss to be movable, a worm wheel to which an internal screw thread engaging with the guide screw thread is formed therewithin, and to which an external screw thread is formed thereon, and a control shaft on which a control worm engaging with the external screw thread is formed.

Abstract: A vehicle thermal management system may include a cooling apparatus including a radiator, a first water pump, and a valve which are connected through a coolant line, a battery cooling apparatus including a second water pump and a battery module connected by a battery coolant line; a chiller which is connected to the battery coolant line and connected to an air conditioner through a refrigerant connection line which is connected to the battery coolant line and connected to a refrigerant line of an air conditioner through a refrigerant connection line, to adjust a temperature of the coolant by performing heat exchange between a coolant which is supplied to the battery line and a refrigerant which is selectively supplied from the air conditioner; and a heating circuit of warming an interior of the vehicle by use of the coolant having a temperature.

Abstract: A vehicle may include a driving unit configured to move the vehicle, a communicator configured to communicate with an external device and a controller configured to authenticate a temporary driver and allow temporary driving by the temporary driver in a response to a driver's input received through the communicator, wherein during the temporary driving, the controller limits output of the driving unit, and controls the driving unit to limit maximum speed of the vehicle, and stores driving record of the vehicle.

Abstract: A vehicle with an expandable space, may include a fixed floor being a floor of the vehicle; a moving floor slidably inserted into the fixed floor, being slid inside or outside the vehicle by operation of a driving unit, and forming the expanding space outside the vehicle by forming an outside floor connected to the fixed floor when sliding out; and assistant wheel assemblies, each having an assistant wheel that comes in contact with the ground when deployed and that separates from the ground when stowed.

Abstract: An opening device for a urea water inlet may include a first body configured to be provided on an external side of an inlet of a urea filler neck; a second body disposed at an upper end portion of the first body with a ventilation gap between the first body and the second body, and provided with an internal space to be disposed above the inlet; a cover disposed at an upper end portion of the second body, and configured to receive a force to open the internal space of the second body; an opener provided in the second body, and configured to hold the cover at the upper portion of the second body when the cover is configured to close the internal space, and to release holding of the cover when being pressed toward an interior of the second body; and a membrane disposed between the first body and the second body to pass only air therethrough while covering the ventilation gap.

Abstract: A vehicle may include a communicator configured to receive driver state information from a surrounding vehicle, a detector configured to obtain driving information related to surrounding vehicle, a driving assistance module configured to control at least one of a driving speed or a driving direction and a controller configured to determine whether a driver of the surrounding vehicle is in drowsiness state based on whether the received driver state information satisfies a predetermined condition and if the driver of the surrounding vehicle is determined as drowsiness state, control the driving assistance module to avoid the surrounding vehicle.

Abstract: An anti-resonance apparatus of a propeller shaft may include a support provided in a tube and configured to be rotated with the tube, and including at least a guide pin arranged at equal angles around a longitudinal axis of the tube and formed in a radial direction of the support, at least a mass body slidably engaged to the at least a guide pin and guided by the at least a guide pin to be moved along a longitudinal axis of the at least a guide pin, and a return spring configured to provide an elastic force in a moving direction in which the at least a mass body is moved toward the support.

Abstract: An integrated flow control valve apparatus configured to control a flow rate of coolant in an engine cooling system for cooling an engine may include a cylinder block and a cylinder head mounted above the cylinder block, the integrated flow control valve apparatus may include a valve housing; a plurality of coolant ports formed at the valve housing and provided as inlets and outlets through which the coolant flows into and out of the valve housing; and valves configured for opening and closing the coolant ports, wherein the coolant ports include a first inlet port for introduction of the coolant from the cylinder block and a second inlet port for introduction of the coolant from the cylinder head into the valve housing; and the flow of the coolant at the first and second inlet ports is controlled by the valves configured to vary the flow of the coolant in the cylinder block and the cylinder head.

Abstract: A vibration reduction device having an acoustic meta structure mounted to a vehicle body and configured to block a structure-borne noise transmitted through the vehicle body may include a plurality of unit structures arranged at a predetermined interval therebetween, wherein each of the unit structures includes frame mounted to the vehicle body and configured to separate a predetermined space into a predetermined number of separate sections formed by walls of the frame; and a vibrator formed at a corner portion of each of the separate sections and each of which has a natural frequency to block a vibration transmitted from the vehicle body through the frame.

Abstract: An evaporation gas active purge system may include a purge line of connecting a canister for absorbing an evaporation gas of a fuel tank to an intake pipe; a purge pump mounted on the purge line; a purge valve mounted on the purge line to be disposed between the purge pump and the intake pipe; a pressure sensor mounted on the purge line to be disposed between the purge pump and the purge valve; and a control unit of receiving a signal from the pressure sensor, and transmitting an operating signal to the purge pump and the purge valve, wherein the control unit controls the purge pump and the purge valve by an engine condition and a vehicle speed.