| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electronic shift control unit that eliminates a free running feeling and a transmission shock when a shift-down operation is performed while a throttle valve is fully closed, and also suppresses the shortening of a belt life due to a sliding wear to the utmost. <P>SOLUTION: The electronic shift control unit includes: entering a fully closed shift-down control, when detecting the fully closed shift-down control having an input of shift-down while the throttle valve openingθof the throttle valve is fully closed; controlling the throttle valve to open only for a required valve opening time Tth at a required throttle valve openingθ1 by driving and controlling an actuator for a throttle; and performing a shift-down operation by operating a pulley while driving an actuator for gear change, simultaneously or belatedly. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
