Seoul National University

Kyoung Su Yi

Dong Hoon Shin

An active damping system has an electrically controlled actuator including: a steering wheel angle sensor; a yaw rate sensor; a lateral acceleration sensor; a vertical acceleration sensor; a roll angle sensor; a control mode determining unit configured to receive the signals detected by the sensors, thereby determining a control mode; a control signal generating unit configured to generate a control signal depending upon the control mode determined by the control mode determining unit; an electric motor which is operated according to the control signal of the control signal generating unit; and a ball screw which is rotated in cooperation with a rotation shaft of the electric motor at one side, and is meshed with an axle of the vehicle at the other side to vary a distance between the vehicle body and the axle according to the rotation of the electric motor.

Growing community of inventors

Seoul, South Korea

Kyoung Su Yi