| 摘要 |
PURPOSE: A method for learning the power-on downshift of a vehicle is provided to improve the accuracy and the precision of learning related to an interlock and a run-up generated in a shift transmission process by subtracting a learning value from an oil-pressure duty value which is generated according to the generated number of the interlock. CONSTITUTION: An accelerating signal is generated(101). Whether the power-on downshift of a vehicle is being transmitted is verified(103). If the power-one downshift is transmitting, whether an interlock is generated in a holding section is verified(107). If the interlock is generated, learning is performed for the interlock, and a learning value is generated(109). The learning value is added to a pre-set oil-pressure duty value in order to compensate the oil-pressure duty value of a releasing side element(111).
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