| 摘要 |
A gear change control device for improving the stability of shift changes in a straddle-type vehicle. In response to an operation of a shift up switch or a shift down switch, the target angular position (&thetas;max(up), &thetas;max(down), &thetas;meet(up), &thetas;meet(down), &thetas;on(up), &thetas;on(down)) and the rotational speed (vmax(up), vmax(down), vo(up), vo(down), v12(up)-v34(up), v21(down)-v43(down)) of a shift shaft are set based on a gear change command input signal inputted from the shift up switch or the shift down switch to a CPU. The shift shaft is rotationally driven at the set rotational speed until the set target rotational position is reached.
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