CONTROL DEVICE FOR COMBINATION VEHICLE, CONTROL METHOD FOR COMBINATION VEHICLE, AND CONTROL PROGRAM FOR COMBINATION VEHICLE

A control device is applied to a combination vehicle including a tractor and a trailer that is towed by the tractor. The control device is configured to perform a hitch angle variable acquisition process, a steered angle variable acquisition process, a virtual steering angle variable calculation process, a target virtual steering angle variable acquisition process, and a feedback process.