| 摘要 |
PROBLEM TO BE SOLVED: To accurately capture the horizontal acceleration of a vehicle body by obtaining synthesis vector where the output of an acceleration sensor in an oblique direction to the forward/backward directions of a body is synthesized with that of the acceleration sensor in a different oblique direction. SOLUTION: Rotary speed sensors 5-8 are arranged at a right front wheel 1, a left front wheel 2, a right rear wheel 3, and a left rear wheel 4, and a pulse signal is outputted according to the rotation of each wheel. An electronic control circuit 40 receives the signals of the rotary speed sensors 5-8 and a stop switch 26, performs arithmetic processing for controlling brake force, and controls the switching of actuators 21-24. Also, signals from two G sensors 51 and 52 for detecting acceleration in the direction of a horizontal axis line at 45 degrees left and right for the front of the body are inputted to the electronic control circuit 40 for arithmetic processing. Even if either one of the G sensors 51 and 52 fails, a value corresponding to acceleration in forward and backward directions is always detected by the other sensor. By using the synthetic acceleration, the horizontal acceleration of the body can be captured even if the body is in four-wheel drifting state or spinning state. |
