To move smoothly to a finally selected gear by, after the clutch operation is judged and the operating clutch is classified, calculating a timing related to the engagement and disengagement of the classified operating clutch.
A power train 100 comprises an internal combustion engine 105, a torque converter 110, a transmission 115, and a drive train of a vehicle 120 connected in order to each other through shafts 125, 130, and 135, respectively. As an operator operates a shift handle 140 to start a gear shifting, a proportional pressure control valve 215 is controlled by an electronic control module 147 according to a gear selection signal so as to engage and disengage a clutch of the transmission 115. On the other hand, the electronic control module 147 comprises a neutral pedal 145, an engine speed sensor 150, and sensors 155, 160, 165, and 170 for the input speed, middle speed, output speed, and oil temperature of the transmission 115 connected thereto.
ARAN ERU SUTAARU
JIEEMUSU AARU TARUBOTSUTO
