VEHICLE STEERING SYSTEM AND CONTROL METHOD THEREOF

A steering system for a vehicle includes a hub connected to a steering column of the vehicle, a spoke connected to the hub, a rim disposed around the hub and connected to the spoke so as to be rectilinearly movable, a first gear provided in the spoke and rotated by a power source, and a second gear that is provided on the rim so as to be engaged with the first gear and rectilinearly moved by the rotation of the first gear and that moves the rim relative to the spoke.