Car Brake Technology - ABS, EBD, BA

ABS which is abbreviation of Anti-lock Braking System was first introduced at aircraft industry. When an aircraft landing, it needs the turbine force power and the brake to stop. The brake should in full power. the landing will be success if the aircraft tire has enough traction. When the landing way is wet or it has snow on it, full power braking will make the tire locked because it lose the grip. Imagine how terrible an aircraft sliding in such landing high speed! That's why people invent ABS System. When people feel the benefit and effectiveness of this system, ABS also applied as safety option in the automotive industry especially for the four wheel vehicle.

Last time, ABS system was just the option for luxury car. But nowadays, it become a must option for almost every car. Recently there are 2 system of ABS, which is system that apply ABS for all the 4 wheel and ABS that apply only at the 2 rear wheel. 4 wheel ABS is better as 2 wheel ABS not giving optimum performance, the front wheel still has possibility to slide that make the car hard to control.
From this ABS, people also invent EBD and BA aystem. EBD (Electronic Brake-pressure Distribution) distribute brake power in accordance with the needs of each tire and BA (Brake Assist) helps ABS to work optimal.
Let see how ABS system works. When you press the brake hard, the system will detect just before the tire lose it grip. Then automatically the brake piston release its force to let the tire run and having the grip back with road, then it will press the brake hard again. This happen very fast, average 15 times a second. This system make hard shake at your brake pedal. So, if you see the article i wrote, A Glance with Your Car Brake, you will find the technique I state there for non-ABS car is the same with how the ABS system works. However, this system has its disadvantage, when you drive your car to gravel road, the gravel will make the sensor detect that the tire is losing the grip and activate the system. Actually you don't need the system because you are not losing the grip. the working system is just make the braking ineffective and longer the braking distance.
So, this is several point of ABS system:
-ABS not shorten the brake distance, it just make it effective when the tire lose its grip.
-To activate ABS, you should press the brake pedal fast and hard.
-Brake pedal will shake hard when ABS works, it is normal.
-You still can turn (control) your car when ABS works.
-ABS will disturb the braking system when it is in off-road or gravel road.
-You can shut down ABS by unplug the fuse.
-When ABS inactive, the ABS warning light at dashboard instrument panel will light.
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