| 摘要 |
PURPOSE:To stabilize the quality, such as the machining accuracy, of a driving object at a high level by detecting the displacement between a driven object and the drive shaft of a control motor and grasping the actual driving condition of the driven object then controlling the control motor form the grasped driving condition. CONSTITUTION:A displacement detecting means C1 for the controller of the control motor detects relative displacement between the drive shaft of a predetermined control motor SM in a plurality of control motors SM and an object to be driven through the control motor. An input modifying means C2 modifies the electrical input SI of the objective control motor SM from the detection result of the displacement detecting means C1. |
