Control device, control method, and control system

The invention provides a control apparatus, a control method, and a control system. The invention provides a robot for properly receiving a visitor. A control device that controls a self-propelled robot is provided with: a facility personnel specifying means that specifies the position of a facility personnel within a facility; a visitor specifying means for specifying the position of a visitor within the facility; and a control means that instructs the robot to move, the control means causing the robot to move into a predetermined range when it is determined that there is no facility person specified by the facility person specifying means within the predetermined range in the vicinity of the visitor specified by the visitor specifying means. 本发明提供一种控制装置、控制方法以及控制系统。本发明提供对来访者进行适当待客的机器人。控制装置控制能够自行的机器人，所述控制装置具备：设施人员确定机构，其确定设施内的设施人员的位置；来访者确定机构，其确定设施内的来访者的位置；以及控制机构，其指示能够自行的机器人移动，控制机构在判断为通过来访者确定机构确定的来访者附近的预定的范围内不存在通过设施人员确定机构确定的设施人员的情况下，使机器人向预定的范围内移动。