Control device and control method of rider assistance system

Abstract

The invention is to obtain a control device and a control method capable of assisting group driving of a motorcycle. A control device of a rider assistance system includes a vehicle speed control execution section executing a vehicle speed control operation of an own-vehicle (100), on the basis of positional relationship information between the own-vehicle (100) and at least one preceding vehicle (300) that is acquired while the own-vehicle (100) is driving, and an alignment operation execution section executing an alignment operation of aligning at least a part of an array that is formed by at least three motorcycles (200), in the vehicle speed control operation in a state in which a group driving mode that is a mode in which the at least three motorcycles (200) including the own-vehicle (100) perform group driving is valid.

Dependencies are inferred from the claim text.