| 摘要 |
PROBLEM TO BE SOLVED: To reduce shock caused by the interference of idle rotation number control and clutch engagement control.SOLUTION: An input shaft torque prediction implement 28 imparts the predicted input shaft torque Tqinest of an input shaft of an automatic transmission 4 connected to a torque converter to a clutch hydraulic controller 30. The input shaft torque prediction implement 28 calculates the predicted input shaft torque Tqinest by using a torque converter capacity coefficient C during the execution of idle rotation number control. On the other hand, when the idle rotation number control is not executed, the input shaft torque prediction implement calculates the predicted input shaft torque Tqinest on the basis of a torque ratio and estimated engine torque Teact. The clutch hydraulic controller 30 outputs a hydraulic command Pclt according to the predicted input shaft torque Tqinest. |
