ANTILOCK BRAKING SYSTEM (ABS)

The ABS is an advanced braking system which comes into play when there is a panic brake situation. The braking action with and without ABS is shown in Fig. 49.5. In Case1, when a part of the car—without ABS—is on a slippery surface and the brake is applied, the car swirls. The car with ABS stays on course. In case2, while taking a curve, the car without ABS goes off course while the one with ABS stays on course.

In traditional braking system, the braking effect on all the wheels is equal when the brake pedal is depressed. The braking effect on rear wheels is more than that on front wheels in subsequently-developed braking systems. In this case, when brakes are applied in a panic situation, the rare wheels get locked ...

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