An anti-lock braking system also known as anti-skid braking system is system for an automobile safety system that allows the wheels on a motor vehicle to maintain tractive contact with the road surface according to driver inputs while braking. It prevents the wheels from locking up and avoids uncontrolled skidding. It uses the principles of threshold braking and cadence braking, which were practiced by skillful drivers with previous generation braking systems. It does this at a much faster rate and with better control than many drivers could manage.
It offers to improve vehicle control and decreases stopping distances on dry as well as slippery surfaces; however, on snow-covered surfaces, ABS can significantly increase braking distance, although it still tries to improve vehicle steering control.
There are many application of ABS such as it monitors the speed sensors at all times, it knows the impossibilities of rapid deceleration, so it reduces the pressure to that brake until it sees acceleration, then it increases the pressure until it sees the deceleration again. Moreover this replaces the need to manually pump the brakes while driving on a slippery or a low traction surface, allowing steering even in most emergency braking conditions.
It has got four main components which are wheel speed sensors, valves, a pump, and a controller.
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