Patent attributes
A production control apparatus of a production system provided with a storing means for storing in advance a production system model comprised of workpiece information regarding workpieces and program information regarding a plurality of work programs of robots and a plurality of machining programs of machine tools, an updating means for updating the production system model based on run status signals showing run statuses of the robots and machines tools and workpiece signals from the detectors, and an instructing means for selecting one work program and one machining program based on the updated production system model and instructing running of the selected work program and work program to the robot and machine tool. Due to this, by calling up a work program of the robot etc. in accordance with the state of the production system, it is possible to change the program and restore the system from error.
