Abstract: A method and a system for controlling a motor are provided to allow for a limp home function when an error occurs in a Hall effect sensor that detects the position of a rotor while operating a motor used for an automotive electric water pump. The method includes determining an output error of a Hall effect sensor and stopping adjustment a speed of the motor based on output of the Hall effect sensor, in response to detecting an output error of the Hall effect sensor. Additionally, the method includes adjusting the speed of the motor based on a counter electromotive force generated by a plurality of stator coils having different phases in the motor.

Abstract: A heat pump system for a vehicle may include a battery cooling line that is connected with a battery module and in which coolant moves; a chiller that is connected with the battery cooling line through a first connection line to adjust a temperature of coolant by selectively exchanging a heat of a refrigerant and coolant injected therein and that is connected with a refrigerant line of an air-conditioner device through a second connection line; an electric unit device cooler including a radiator and a first water pump that are connected through a cooling line to circulate coolant for cooling a motor and an electronic unit and that is selectively connectable with the battery cooling line and the first connection line through a first valve; and a bypass line selectively connecting the second connection line and the refrigerant line through a second valve provided in the refrigerant line.

Abstract: The present disclosure relates to a driving motor for environmentally friendly vehicles. The driving motor for the vehicles includes: a stator core; a bobbin assembled to the stator core; a coil part wound on the bobbin; a coil lead-out portion configured such that an end portion of the coil part drawn from the bobbin is formed to have a curved structure; and a terminal bonded with a bonding portion formed in the coil lead-out portion.

Abstract: A reservoir tank for a vehicle includes an upper body provided with an inflow pipe and a lower body provided with a discharge pipe, the upper and lower bodies being assembled to each other. An inside of the upper body and the lower body is installed on a coolant passage while being partitioned into a plurality of chambers, where one side of an upper portion of the upper body is provided with the inflow pipe parallel therewith, and the upper body is integrally connected to a guide pipe in a vertical direction to the inflow pipe to downwardly guide coolant. The lower body is provided with a guide rib corresponding to the guide pipe to enclose an outer side of a tip portion of the guide pipe while the guide rib is spaced apart from the outer side of the tip portion of the guide pipe at a predetermined interval to form the coolant passage between the guide rib and the guide pipe.

Abstract: A conversion coating composition comprising 0.01 wt % to 0.2 wt % of phosphorous (P); 0.01 wt % to 0.2 wt % of magnesium (Mg); 0.005 wt % to 0.15 wt % of zirconium (Zr); 0.005 wt % to 0.15 wt % of titanium (Ti); 0.005 wt % to 0.15 wt % of vanadium (V); 0.05 wt % to 1 wt % of phenol resin; the balance of water and other unavoidable impurities is provided. A surface treated steel sheet comprising a base steel sheet; a zinc or zinc alloy plated layer formed on the base steel sheet; a blackening layer formed on the zinc or zinc alloy plated layer; and an organic and inorganic complex conversion coating layer formed on the blackening layer, wherein the organic and inorganic complex conversion coating layer may satisfy the weight ratio of P:Mg:Zr:Ti:V=1:0.045 to 2:0.035 to 1.5:0.035 to 1.3:0.035 to 1.5 (based on the weight of P) is also provided. A method for manufacturing a steel sheet treated with the conversion coating composition is also provided.

Abstract: A method of controlling an electric vehicle transmission includes: a torque-securing step of securing a predetermined spare torque to be generated by a motor in accordance with a current motor torque when a controller determines that there is a need for downshift from an upper gear step to a lower gear step; a slip-controlling step of generating a friction force through a servo clutch applying a friction force between an input shaft and a servo driving gear of a pair of servo gears; a shifting-to-neutral step of shifting to a neutral gear by disengaging a synchronizer for the upper gear step; a motor-synchronizing step of synchronizing a rotational speed of the motor with a desired speed of a lower gear step using the spare torque of the motor secured in the torque-securing step; a gear-engaging step of engaging a synchronizer for the lower gear step; and a clutch-disengaging step of finishing shifting by disengaging the servo clutch.

Abstract: A method for stabilizing an engine clutch control includes transmitting an engine clutch operation start command from a controller to an engine clutch system, the engine clutch system including an engine clutch, detecting a hydraulic pressure generated during the operation of the engine clutch system, carrying out an oil leakage judgment mode using the controller so as to judge whether the hydraulic pressure is a normal hydraulic pressure where the operation of the engine clutch is available or if the hydraulic pressure an abnormal hydraulic pressure where the operation of the engine clutch is unavailable, and changing an operation mode to an emergency operation mode wherein the operation of the engine clutch is stopped in case of abnormal hydraulic pressure, and carrying out an operation mode change by operating the engine clutch in a case of normal hydraulic pressure, based on a control by the controller.

Abstract: A radiator for a vehicle is provided. The radiator includes a first header tank that has an inlet port formed at a first side thereof to allow a coolant to flow from an engine thereinto and an outlet port formed at a second side thereof to allow the coolant to flow to the engine. A second header tank is disposed apart from the first header tank. A heat-exchanging portion fluidly connects the inlet tank and the outlet tank and includes a plurality of tubes and radiation fins to cool the coolant flowing in the tubes by exchanging heat with air. A diaphragm unit is disposed at the inside of the first header tank to prevent the coolant which flows into the inlet port from being mixed with the coolant which is exhausted from the outlet port.

Abstract: A cooling system for a vehicle includes: an engine cooling circuit circulating a coolant to an engine mounted in the vehicle; an electronics cooling circuit circulating the coolant to an electrical equipment and a motor mounted in the vehicle; a reservoir tank connected to the engine and the motor and respectively compensating the coolant to the engine cooling circuit and the electronics cooling circuit; and a control valve connected to a first connection pipe connected to the reservoir tank and selectively connected to the engine cooling circuit and the electronics cooling circuit depending on a temperature change of the coolant during a cold driving mode or a warm driving mode of the vehicle to control a flow of the coolant.

Abstract: A vehicle battery cooling system is provided and includes an air conditioning device including a compressor, condenser, evaporator, and first expansion valve connected via a refrigerant line and circulates refrigerant to reduce temperature within the vehicle. An electric unit cooling device includes an electric unit radiator and water pump connected with a cooling line and circulates cooling water to cool a motor and electric unit. A battery module connects with the cooling device via a battery cooling line. A chiller connects with the refrigerant line via a first connection line and the battery cooling line via a second connection line, and adjusts cooling water temperature by selectively heat-exchanging cooling water and refrigerant. Another water pump is disposed on the battery cooling line between the battery module and the chiller and a heater is disposed on the battery cooling line between the other water pump and the battery module.

Abstract: A surgical device, the surgical device including a mounting part mounted on a robot arm of a surgical robot; an extension part extending from the mounting part; a joint driving part that comprises a driving motor having a driving axis, that comprises a driving rod connected to the driving axis and reciprocating, and that is connected to an end of the extension part; and a joint part that is connected to the joint driving part, that is driven at one or more degrees of freedom by the driving rod, wherein the driving motor is connected to the driving axis with an elastic connection member.

Abstract: A method and a system for controlling a motor are provided to allow for a limp home function when an error occurs in a Hall effect sensor that detects the position of a rotor while operating a motor used for an automotive electric water pump. The method includes determining an output error of a Hall effect sensor and stopping adjustment a speed of the motor based on output of the Hall effect sensor, in response to detecting an output error of the Hall effect sensor. Additionally, the method includes adjusting the speed of the motor based on a counter electromotive force generated by a plurality of stator coils having different phases in the motor.

Abstract: A surgical instrument utilized in a minimally invasive surgery is provided. The surgical instrument includes an end effecter configured to conduct a surgical operation, a piezoelectric driver configured to generate motive power, a power transmitting unit configured to transmit the motive power generated by the piezoelectric driver to the end effecter to operate the end effecter, and a housing which encloses the power transmitting unit and the at least one piezoelectric driver.

Abstract: A surgical device including first and second joint parts that are connected in series is provided. The surgical device includes a plurality of link arms that pass through an inner portion of the first joint part so as to drive the second joint part. The link arms are serially connected so as to rotate with respect to each other, and are rotatably connected to a driving unit for driving the plurality of link arms.

Abstract: A transmission for an electric vehicle includes an input shaft for receiving power, an output shaft disposed in parallel with the input shaft, a plurality of shift gear units each including external gears connecting the input shaft and the output shaft to each other, a synchromesh system for switching any one of the shift gear units into a power-transmissible state or a non-power-transmissible state between the input shaft and the output shaft, a servo gear unit including a pair of external gears engaged with each other on the input shaft and the output shaft, and a servo clutch adjusting a degree of power transmission between the input shaft and the output shaft by the servo gear unit.

Abstract: Disclosed herein is an ultrasonic imaging apparatus including: a main body; a probe; a display unit connected to the main body in such a manner to be movable with respect to the main body; and a moving unit configured to connect the display unit to the main body, and to enable the display unit to move with respect to the main body, wherein the moving unit includes: a first coupling member rotatably attached on a part of the main body; a rotating arm coupled with the first coupling member and configured to rotate with respect to the first coupling member; and a moving member having one end coupled with the display unit, and installed in the rotating arm to enable the display unit to move in a longitudinal direction of the rotating arm.

Abstract: A method of extracting ridge data includes selecting a point in the contour of an object from an image of the object, calculating a chamfer distance of the point in the contour, and determining whether the point in the contour is a ridge point based on relationships between the chamfer distance and chamfer distances of points in the contour adjacent to the point in the contour. A method of tracking a joint motion of an object includes acquiring initial information of the object including information on at least one ridge region representing a distribution of ridge points of the object, and tracking the joint motion of the object from temporally consecutive images of the object based on the initial information.

Abstract: Disclosed herein is an ultrasonic imaging apparatus of displaying functions related to the ultrasonic imaging apparatus on a display unit when the ultrasonic imaging apparatus moves, and activating a function selected by a user from among the functions displayed on the display unit. According to an embodiment, the ultrasonic imaging apparatus includes: a display unit configured to display one or more functions related to movement of the ultrasonic imaging apparatus when the ultrasonic imaging apparatus moves; and a controller configured to activate a function selected by a user from among the one or more functions displayed on the display unit.

Abstract: A system and method for controlling charging a battery of a hybrid vehicle are provided that charge the battery using a hybrid starter generator during limiting motor power for high temperature protection of the driving motor. Accordingly, a frequency of a driving motor reaching a power limitation due to high temperature protection is minimized while a driving time and frequency of a driving motor is reduced, by charging the battery by driving the hybrid starter generator (HSG) when a temperature of the driving motor reaches a predetermined level or greater due to a frequent driving of the driving motor while driving the hybrid vehicle.

Abstract: An interior permanent magnet synchronous motor is provided. In the motor, a V-type recess is provided between adjacent permanent magnets within an outer surface of a rotor. The angle of the V-type recess ranges from 103° to 107°.