Abstract: A continuously variable valve duration (CVVD) system includes an electronic control unit (ECU) configured to output a command for adjusting an actuator and a controller configured to determine a operation range of a control shaft of the actuator and adjust the control shaft in the determined operation range based on the command of the ECU. The controller positions the control shaft at a predetermined target phase and determines a control state of each target phase based on a target phase value transmitted from the actuator when the control shaft is positioned at the target phase.

Abstract: The present invention relates to a side mirror for a vehicle, the side mirror being provided on a vehicle for facilitating the checking of road situations on the left, right, and rear sides. The side mirror for a vehicle comprises a mirror housing which is mounted on the exterior of the vehicle, and a mirror part which is supported by the mirror housing, and is divided into multiple mirror areas which are in aspherical form respectively across the horizontal direction from the internal side, which is close to the vehicle, to the external side, which is far from the vehicle. In the mirror part, the respective optical powers of the mirror areas gradually increase from the internal side to the external side so as to have the same optical power at the borders of the mirror areas, and the optical power rate for at least one of the mirror areas is constant.

Abstract: A control system of a continuously variable valve duration (CVVD) is provided. A system for controlling a CVVD by adjusting an actuator for controlling the CVVD includes an electronic control unit (ECU) configured to output a command for adjusting the actuator based on a vehicle state and a cam position sensor is configured to measure a cam revolutions per minute (RPM). A controller is configured to calculate a crank RPM from the cam RPM when a failure occurs during communication with the ECU. A target phase angle is extracted based on the calculated crank RPM, and an electric current is output that corresponds to the extracted target phase angle to the actuator.

Abstract: A system for controlling a CVVD by adjusting an actuator for controlling the CVVD is provided. The system includes an electronic control unit (ECU) configured to output a command phase angle and a selection signal for controlling the actuator based on a vehicle state and a mode of operation, and an actuator controller configured to operate based on the command phase angle and the selection signal and output an electric current to adjust the actuator. The actuator controller is configured to output an electric current corresponding to the command phase angle originating from the ECU or adjust the command phase angle and then output an electric current corresponding to the corrected command phase angle based on a type of selection signal.

Abstract: A continuously variable valve timing (CVVT) control device is provided. The CVVT control device includes an engine controlling unit (ECU) configured to output an actual phase angle and a target phase angle of an intake valve or an exhaust valve. The CVVT control device further includes an intellectual motor controller configured to receive the actual phase angle and the target phase angle from the ECU through digital communication in a vehicle. A driving current is generated for adjusting an output torque of a motor based on a phase deviation between the received actual phase angle and target phase angle.

Abstract: A continuously variable valve duration (CVVD) system includes an electronic control unit (ECU) configured to output a command for adjusting an actuator and a controller configured to determine a operation range of a control shaft of the actuator and adjust the control shaft in the determined operation range based on the command of the ECU. The controller positions the control shaft at a predetermined target phase and determines a control state of each target phase based on a target phase value transmitted from the actuator when the control shaft is positioned at the target phase.

Abstract: A control system of a continuously variable valve duration (CVVD) is provided. A system for controlling a CVVD by adjusting an actuator for controlling the CVVD includes an electronic control unit (ECU) configured to output a command for adjusting the actuator based on a vehicle state and a cam position sensor is configured to measure a cam revolutions per minute (RPM). A controller is configured to calculate a crank RPM from the cam RPM when a failure occurs during communication with the ECU. A target phase angle is extracted based on the calculated crank RPM, and an electric current is output that corresponds to the extracted target phase angle to the actuator.

Abstract: A system for controlling a CVVD by adjusting an actuator for controlling the CVVD is provided. The system includes an electronic control unit (ECU) configured to output a command phase angle and a selection signal for controlling the actuator based on a vehicle state and a mode of operation, and an actuator controller configured to operate based on the command phase angle and the selection signal and output an electric current to adjust the actuator. The actuator controller is configured to output an electric current corresponding to the command phase angle originating from the ECU or adjust the command phase angle and then output an electric current corresponding to the corrected command phase angle based on a type of selection signal.

Abstract: The present invention relates to a side mirror for a vehicle, the side mirror being provided on a vehicle for facilitating the checking of road situations on the left, right, and rear sides. The side mirror for a vehicle comprises a mirror housing which is mounted on the exterior of the vehicle, and a mirror part which is supported by the mirror housing, and is divided into multiple mirror areas which are in aspherical form respectively across the horizontal direction from the internal side, which is close to the vehicle, to the external side, which is far from the vehicle. In the mirror part, the respective optical powers of the mirror areas gradually increase from the internal side to the external side so as to have the same optical power at the borders of the mirror areas, and the optical power rate for at least one of the mirror areas is constant.

Abstract: A continuously variable valve timing (CVVT) control device is provided. The CVVT control device includes an engine controlling unit (ECU) configured to output an actual phase angle and a target phase angle of an intake valve or an exhaust valve. The CVVT control device further includes an intellectual motor controller configured to receive the actual phase angle and the target phase angle from the ECU through digital communication in a vehicle. A driving current is generated for adjusting an output torque of a motor based on a phase deviation between the received actual phase angle and target phase angle.

Abstract: Disclosed herein are an apparatus and a method for diagnosing a fault of a multi-sensor of a motor. The apparatus includes: a plurality of tachometers attached to the motor to measure rotation speeds; and a plurality of processors each connected directly to the plurality of tachometers to receive the measured rotation speeds, thereby securing a plurality of directly obtained rotation speeds, sharing the obtained rotation speeds with each other, thereby obtaining a plurality of indirectly obtained rotation speeds, and performing a fault diagnosis on the plurality of tachometers using the plurality of directly obtained rotation speeds and the plurality of indirectly obtained rotation speeds.

Abstract: Disclosed herein is a switched reluctance motor including: a rotor part including a rotor core having a shaft fixedly coupled to the center thereof and a plurality of rotor poles formed to be protruded from the rotor core; a stator part having the rotor part rotatably received therein and a plurality of stator salient poles formed to be protruded from the stator yoke; a balancing part selectively coupled to an upper portion or a lower portion of the rotor part and having a plurality of sensing grooves formed in an outer peripheral surface thereof; a motor housing provided with an opening part through which the shaft penetrates; and a position detecting unit disposed between the rotor part and the stator part and coupled to an inner portion of the motor housing.

Abstract: Disclosed herein are a method and apparatus of controlling a switched reluctance motor (SRM). The method of controlling driving of an SRM, the method includes: sensing a variation of a load of the SRM; and controlling both of a dwell angle and a PWM duty ratio of the SRM according to the variation of the load of the SRM. Therefore, an angle and a current are simultaneously controlled, thereby making it possible to decrease a torque ripple at a low speed and constantly control a torque and rapidly respond to a command speed at a high speed. In addition, a speed and a torque of the SRM may be more precisely controlled.

Abstract: Disclosed herein is a switched reluctance motor assembly, wherein a lower balancing part, which becomes a target to be cut for balancing, includes a lower balancing part body installed on a lower surface of a rotor part and an encoder protruding on a lower surface of the lower balancing part body. In the present invention, the encoder, which is a portion of a balancing part, becomes a target to be cut, thereby making it possible to more effectively perform balancing even with a smaller amount of cutting as compared with the prior art.

Abstract: Disclosed herein are a switched reluctance motor assembly and a method of assembling the same. The switched reluctance motor assembly includes: a shaft forming the center of rotation of a motor; a rotor part rotatably coupled on the shaft; a balancing part installed on upper and lower surfaces of the rotor part; and an impeller part installed on the balancing part, wherein the balancing part and the impeller part are formed integrally with or directly coupled to each other to prevent generation of unbalance at the time of attaching the impeller part, thereby making it possible to promote stable rotation.

Abstract: Disclosed herein is a bearing module for a motor that rotatably supports a rotational shaft and is sintered and molded, including: an upper bearing; and a lower bearing coupled to the upper bearing, wherein an oil receiving portion is formed in at least one of the upper bearing and the lower bearing.

Abstract: Disclosed herein are an apparatus and a method for diagnosing a fault of a multi-sensor of a motor. The apparatus includes: a plurality of tachometers attached to the motor to measure rotation speeds; and a plurality of processors each connected directly to the plurality of tachometers to receive the measured rotation speeds, thereby securing a plurality of directly obtained rotation speeds, sharing the obtained rotation speeds with each other, thereby obtaining a plurality of indirectly obtained rotation speeds, and performing a fault diagnosis on the plurality of tachometers using the plurality of directly obtained rotation speeds and the plurality of indirectly obtained rotation speeds.

Abstract: Disclosed herein is a switched reluctance motor in which a position detection part capable of detecting a rotational position of the rotor part is formed in a balancing member coupled to a rotor part and a sensor part is positioned at a position corresponding to that of the position detection part and on a cover surface of an inner side of the motor housing. According to a preferred embodiment of the present invention, the sensor part is positioned in the motor housing, thereby making it possible to protect the sensor part and improve reliability in sensing of a rotational position of the rotor part by the sensor part.