Abstract
Reporters obtained the following quote from the background information supplied by the inventors: “Inrecent years, many robot systems have been proposed in whi ch a movable type robot such as a robotmounted at a convey device such as a car riage, an automated guided vehicle (AGV), or a convey railsystem or a robot int egrated with a convey device is moved to the vicinity of a machine such as a machine tool or a construction machine or to the vicinity of a workpiece such as a vehicle, an aircraft, abuilding, or components thereof so as for the robot to p erform various operations.