| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a dog clutch control device for an automatic transmission which can quickly perform a gear change without largely decreasing a difference rotation number between a sleeve and a planetary gear when the sleeve is engaged with a dog clutch by moving the clutch at the gear change.SOLUTION: When a sleeve is moved by a first thrust load, and a tip of a high tooth reaches a first stroke position located at a tip of a clutch front tooth, a control device 10 sets an energization force to the sleeve as a second thrust load, and when the tip of the high tooth abuts on a tip of a clutch rear tooth, and the movement of the sleeve is stopped, the control device feedback-controls a shaft dynamic device for only a preset separation time T so that the tip of the high tooth is returned to a position which is separated from the tip of the clutch rear tooth by a preset distance L on the basis of detection data of a stroke position sensor, and after that, repeatedly performs separation retry control for imparting a third thrust load at which the tip of the high tooth can be displaced while exceeding a second stroke position to the sleeve.</p> |
