| 摘要 |
A variable self-compensating detent control system for improved positioning accuracy and repeatability is provided. The detent control system provides a system for reducing positioning errors in the positioning of an X-Ray tube in an X-Ray imaging system, such as accurate and repeatable positioning of the X Ray tube at detents. The control system preferably includes a sensor unit generating (630) positional or velocity signals (Xf,Vf) indicative of the position or velocity of the X-Ray tube and a microprocessor receiving the positional signals and determining (640,660) an overshoot correction. The overshoot correction is used (670) by the X-Ray system to control a locking system controlling the position of the X-Ray tube. The sensor unit may employ a potentiometer, a digital encoder, or preferably both in combination to determine the positional or velocity signals. <IMAGE> |
