| 摘要 |
PURPOSE:To perform highly accurate jam road speed change control of an automatic transmission while suppressing a judging delay to a minimum limit. CONSTITUTION:A speed change control device 20 comprises a detecting means 10 of vehicle running condition, jam road running discriminating means 21 for discriminating jam road running, speed change pattern change means 22 and a speed change control means 23, and in the jam road running discriminating means 21, an adjusting value set to be weighted in accordance with a deviation to a jam/nonjam direction of each car speed is added in accordance with a car speed detected in each point of time, so that based on a car speed condition value obtained by this addition, the jam road running is discriminated. |
