| 摘要 |
PROBLEM TO BE SOLVED: To prevent generation of the gear-shift shock when the driving condition is changed during the mode change. SOLUTION: The shift control device comprises a phase order setting means, a clutch torque target value generating means 133, a target IVT shift speed calculating means 122, and a target CVT shift speed calculation means 123. The phase order setting means sets the order of the torque phase and the inertia phase based on the direction of change of the total change gear ratio and the positive/negative of the steady engine torque. The clutch torque target producing means 133 calculates the target values of the transmission torque of a power circulating clutch and a direct-coupled clutch respectively based on the CVT gear ratio, the engine torque, and the set phase. The target IVT shift speed calculating means 122 calculates the target IVT shift speed from the IVT change gear ratio and the target IVT change gear ratio. The target CVT shift speed calculating means 123 calculates the target CVT shift speed based on the engine torque, the clutch transmission torque target value, and the target IVT shift speed. |
