| 摘要 |
PURPOSE:To provide a shortest and smooth prescribed position stop operation independantly of the speed of a motor. CONSTITUTION:A positioning controller has a rotary axis 6 which is mechanically fitted to the motor 4 and PLG for position detection 7, which detects the position of the rotary axis 6, and it stops the motor 4 at the prescribed position at a prescribed and decided angle and it operates the motor. Then, a secondary magnetic flux switch 19 which changes over secondary magnetic flux to a prescribed and decided value only in the period of the prescribed position stop operation is provided. |
