| 摘要 |
PURPOSE:To let control performance be sufficiently exhibited even when a small diameter tire is mounted by operating control variables so as to be compensated by the use of signals from other wheel speed sensors while the wheel speed sensor attached to a small diameter tire mounted wheel is excluded when it is judged that the small diameter tire is mounted. CONSTITUTION:The wheel speeds of a right and a left wheel are operated by a wheel speed operating means based on the detected signals from a right and a left wheel speed sensor so that it is judged by a judging means whether or not there exists a small diameter tire mounted wheel. When it is judged that there exists no small diameter tire mounted wheel, control variables are operated by a control variable operating means by the use of the whole of detected signals from wheel speed sensors. On the other hand, when it is judged that there actually exists the small diameter tire mounted wheel such as a temp space tire and the like, the signal detected by the wheel speed sensor attached to the small diameter tire mounted wheel is excluded so that the control variables are thereby operated so as to be compensated by the use of signals detected by the other wheel speed sensors while the control variables which are operated so as to be compensated are given to a controlled means. By this constitution, control performance which is roughly similar to that of the case when no small diameter tire is mounted, can thereby be exhibited even when the small diameter tire is mounted.
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