| 摘要 |
<p>A power-on manual downshift control method including the steps of determining if a power-on manual downshifting is being performed or not when a TCU receives a power-on manual downshifting signal, producing a duty control signal of 0% if power-on manual downshifting is being performed, determining if a shift begin point is detected or not, compensating for a feedback start duty ratio and producing a compensated duty ratio Dr if the shift begin point is detected, maintaining the state for a predetermined period of time Ta, executing a feedback control sub-routine on ending of the predetermined period of time Ta, reducing the duty ratio Dr by as much as a predetermined duty amount DELTA d on ending the feedback subroutine and maintaining this state for 8ms, and ending the duty control if the duty ratio Dr reaches 0%. <IMAGE></p> |
