Apparatus for controlling rear wheel steering of a vehicle and a vehicle including the same

An apparatus for controlling rear wheel steering of a vehicle, the apparatus comprising:

• a computing device including a processor and a storage medium on which one or more programs configured to be executable by the processor are recorded;
• and
• a rear wheel steering (RWS) controller configured to control rear wheels of a tractor of the vehicle including the tractor and a trailer connected to each other according to a predetermined control logic and a target rear wheel steering angle,
• wherein the one or more programs include instructions for executing an operation of selecting the target rear wheel steering angle based on a sensed hitch angle value between the tractor and the trailer, and
• wherein the RWS controller is configured to control the rear wheels of the tractor by increasing a control proportion of the target rear wheel steering angle compared to the predetermined control logic as the sensed hitch angle value increases.