| 摘要 |
PURPOSE:To prevent aggravation of straight running property due to unbalanced brake force by providing a setting value separating means to lower the setting value of a driving force lowering means than the setting value of an automatic brake means at high vehicle speed range. CONSTITUTION:When driving slip (d) of driving wheels (a) are over respective setting values (g1, g2), an automatic brake means (b) brakes driving wheels (a), a driving force lowering means (c) lowers the driving force generated with an internal combustion engine, and thus traction control is performed. At a high vehicle speed range detected by a vehicle speed detecting means (e), a setting value separating means (f) lowers the setting value (g2) of the driving force lowering means (c) than the setting value (g1) of the automatic brake means (b), and the partial charge ratio of traction control of a drive wheel brake is lowered than the partial charge ratio due to wheel driving force lowering. Hence, a fall of straight running property by unbalance of right and left brake force due to excess braking effect can be prevented.
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