Anti Lock Braking System

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Anti-lock braking system(ABS): A technical review Abhinav tikley1,Shubham hiwanj2,Mayur khangan3 mechanical dept, J.D.I.E.T., yavatmal, Maharashtra, india, abhinavtikley11@gmail.com mechanical dept, J.D.I.E.T, yavatmal, Maharashtra, india, shubhamhiwanj11@gmail.com mechanical dept, J.D.I.E.T, yavatmal, Maharashtra, india, mayurkhangan.mk@gmail.com Abstract: This paper reports on advanced braking system by using sensors, electronic control unit and solenoid valves. A brake is a mechanical device which inhibits motion slowing or stopping of moving objects. Braking system is used in vehicle to slow down a vehicle by converting its kinetic energy into heat. Anti-lock brake system offers an important safety advantage by preventing the…show more content…
Braking system is used in vehicle to slow down a vehicle by converting its kinetic energy into heat. Scientist invents the modern braking systems to avoid accidents and improve safety as well as stability of vehicle. In this paper we introducing modern braking system is known as anti-lock brake system (ABS). ABS is recognized as an important contribution to road safety as it is designed to keep a vehicle steerable and stable during heavy braking moments by preventing wheel lock. . ABS modulates the brake line pressure independent of the pedal force, to bring the wheel speed back to the slip level range that is necessary for optimal braking performance. All wheel ABS can be found on the majority of late model vehicles and even on select motorcycles. The objective of ABS is to manipulate the wheel slip so that a maximum friction is obtained and the steering stability (also known as the lateral stability) is maintained. History: Since the development of the first motor driven vehicle in 1769 and the occurrence of first driving accident in 1770, engineers were determined to reduce driving accidents and improve the safety of vehicles. After extensive studies, the first prototype of ABS system is presented to the public in 1969.now, many automobile companies using this…show more content…
The speed of the observed wheel suddenly drops much faster than the reference speed. Although the wheel is still within the stable braking range (i.e. between 10 % and 30 % slip), the electronic control unit already starts the control procedure. The ABS solenoid valve is actuated and rapidly reduces the pressure in the brake cylinder of that wheel, and the wheel begins to accelerate again. The electronics cause the solenoid control valve to reverse, keeping the braking pressure at a constant level until the wheel runs within the stable slip range again. As soon as more braking force can be transferred, the braking pressure is increased by means of pulsing - i. e. alternately holding and increasing pressure. If the wheel speed drops significantly relative to the reference speed during this process, a new control cycle begins. This procedure is pressed too hard for these road conditions or until the vehicle comes to a halt. Types of ABS: There are numbers of different ABS systems.  The most advanced is four channels, four sensors, which has a speed sensor on each wheel and separate valve to control break pressure on each

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