Robot apparatus, control method for robot apparatus, and toy for robot apparatus

A robot apparatus is a four-legged mobile robot, and leg units A, B, C, and D are connected to the left and side parts in the front and rear sides of a body unit . Ahead unit is connected to the front end of the body unit . The head unit has a mouth (jaw) part capable of biting and holding a toy shaped like a bone. The mouth part is constituted by upper and lower jaw parts, and adopts a structure capable of biting and securely holding a bite part of the bone . A CPU as a control part executes programs according to an image recognition processing algorithm for recognizing the bone , a bone-bite control algorithm for biting the bone, and a bone-bite detection algorithm for detecting the bone.