Development of the Motorized Direct Yaw-moment Control System

-Application to a Lane-keep Assist System-

Abstract

We are developing motorized direct yaw-moment control (DYC) system. Since it is composed of one electric motor and double-row planetary gears between rear wheels, yaw-moment can be generated with high smoothness, with small self aligning torque, and without affecting the speed of the vehicle. In this paper, we show the motorized DYC system has high suitability for a lane-keep assist actuator compared with brake or steering actuators.