| 摘要 |
PURPOSE:To prevent slippage at the time of accelerating by greatly reducing an engine output on detecting the slippage of driving wheels and after that, controlling a throttle opening so as to get a torque matched to a road surface or a slip condition. CONSTITUTION:In a traction controller 15, the difference between a driving wheel speed detected by wheel speed sensors 11, 12 and a reference speed is calculated as a slip quantity. When the slip quantity gets smaller than a specified value Vth, a correction torque TP calculated by multiplying the slip quantity by a coefficient Kp and a correction torque TS calculated by integration are subtracted from a reference torque TG calculated from the acceleration of a driven wheel speed VB which is detected by wheel speed sensors 13, 14, to calculate a target torque. At the time of speed change, the integration of the slip quantity for calculating the correction torque TS is reserved to prevent the lowering of a driving torque with respect to the slippage of driving wheels WFR, WFL caused by a speed change shock. |
