Method and apparatus for reassuring normal status in the sequence of displacements of a machine

According to this method to restore, after an anomaly, the sequence of displacements of machine tools 11 to 14, there is provided a control device including a NORMAL STATE RESTART CONTROL DEVICE 40 and a SUPERVISION CONTROL DEVICE 30. CONNECTED TO A SUPERVISORY CONTROL MEMORY 31 AND MACHINE CONTROL DEVICES 32, 33 AND A RELAY CONTROL MEMORY 26, AND NORMAL STATUS RE-ESTABLISHMENT IS EFFECTED BY DESIGNATION OF A WORK RESTORATION UNIT OPERATION , AND BY CORRECTION OF THE INFORMATION RELATING TO THE STATUS OF OPERATION IN PROGRESS, MEMORIZED. APPLICATION IN PARTICULAR TO THE COMBINED AUTOMATIC CONTROL OF MACHINE TOOLS.