Patent attributes
A steer-by-wire steering system, including: a two-system reaction force applying device including two reaction force controllers and configured to obtain operation information and apply an operation reaction force; a two-system steering device including two steering controllers and configured to steer a wheel; an operation information obtaining device; an auxiliary steering device capable of changing a direction of a vehicle; two dedicated communication lines one of which information-transmittably and information-receivably connects one of the two reaction force controllers and one of the two steering controllers to each other, and the other of which information-transmittably and information-receivably connects the other of the two reaction force controllers and the other of the two steering controllers to each other; and a first communication bus to which the operation information obtaining device is at least information-transmittably connected and to which the two steering controllers and the auxiliary steering device are at least information-receivably connected.