Browse Publications Technical Papers 2005-01-4032
2005-11-22

DEVELOPMENT OF AN ANTI-LOCK BRAKING SYSTEM MODEL 2005-01-4032

This work presents the development of a braking system model to be applied in the evaluation of anti-lock braking system (ABS) control logics. The anti-lock braking system model was attached to a vehicle model to simulate possible braking conditions. The results show that the vehicle stopping distance with a standard anti-lock braking system is reduced when compared to the passive braking case and that the wheel slip is much closed to the desired wheel slip, confirming the appropriate working of the proposed anti-lock braking system control logic. The simulations were performed for snow, wet and dry asphalt. The parameters used to verify the performance advantage obtained with ABS braking in relation to passive braking were the stopping distance, the anti-lock braking system index of performance (ABSIP) and the vehicle side slip angle for the tests with steering input. In these cases, the results also show an efficiency improvement with the proposed anti-lock braking system.

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