| 摘要 |
PURPOSE:To allow a driver to recognize the condition of a road surface at all times, by making a throttle opening rate approach an accelerator pedal depression rate as the accelerator pedal depression rate approaches a depression rate under a full throttle open condition. CONSTITUTION:In an electronic control device 20 of a vehicle acceleration slip control device, a target opening rate of a throttle valve 4 is corrected regardless of a detected slip rate in such a manner that the relation between a depression rate of an accelerator pedal 21 and the target opening rate may approximate to that at a zero slip rate as the depression rate approaches a depression rate under a full throttle open condition. Accordingly, when the accelerator pedal 21 is normally depressed, the slip rate of driving wheels 23L and 23R is controlled to a suitable value, so that a driving force may be increased. On the other hand, when the accelerator pedal 21 is depressed to an extent approximate to the full throttle open condition, for example, the control device functions to output a throttle opening rate approximate to a depression rate of the accelerator pedal. As a result, a driver can always recognize the condition of a road surface by depressing the accelerator pedal 21.
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