| 摘要 |
PURPOSE:To correctly calculate the speed for the ground as the standard in setting the threshold value at a low cost by cutting the input operation into a threshold value setting means of a min. value detecting means by a driving state switching means, in the two-wheel driving state. CONSTITUTION:In the two-wheel driving state, the input operation into a threshold value setting means 13 of a min. value detecting means 12 is cut by a driving-state switching means 14a, and the threshold value is set on the basis of the revolution speed of a driven wheel. In the whole-wheel driving state, the cut by a driving state switching means 14 is prevented, and the min. revolution speed out of the revolution speed Va, Vb... of the wheels 1a, 1b... which revolve at the same time is selected by a min. value detecting means 12, and setting control of the threshold value is carried out. Therefore, the speed for the ground as the standard in setting the threshold value can be calculated correctly and at a low cost.
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