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Automobile science popular knowledge-what is ABS

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Automobile science popular knowledge-what is ABS

Categories:Industry News
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Time of issue:2019-11-14 17:17
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(Summary description)ABS is the English abbreviation of Anti-LockBrakeSystem, which can be translated as "brake anti-lock braking system". When there is no ABS, if the emergency braking generally causes the tire to lock up, because the tire and the ground are sliding and friction, the braking distance will be longer. If the front wheels are locked, the car loses the lateral steering force, and it is easy to run away; if the rear wheels are locked, the rear wheels will lose the lateral grip, and tail flicks will easily occur. Especially on snowy roads, the above situation is more likely to occur when emergency braking.

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Automobile science popular knowledge-what is ABS

(Summary description)ABS is the English abbreviation of Anti-LockBrakeSystem, which can be translated as "brake anti-lock braking system". When there is no ABS, if the emergency braking generally causes the tire to lock up, because the tire and the ground are sliding and friction, the braking distance will be longer. If the front wheels are locked, the car loses the lateral steering force, and it is easy to run away; if the rear wheels are locked, the rear wheels will lose the lateral grip, and tail flicks will easily occur. Especially on snowy roads, the above situation is more likely to occur when emergency braking.

Categories:Industry News
Author:
Origin:
Time of issue:2019-11-14 17:17
Views:0

Information

　　ABS is the English abbreviation of Anti-LockBrakeSystem, which can be translated as "brake anti-lock braking system". When there is no ABS, if the emergency braking generally causes the tire to lock up, because the tire and the ground are sliding and friction, the braking distance will be longer. If the front wheels are locked, the car loses the lateral steering force, and it is easy to run away; if the rear wheels are locked, the rear wheels will lose the lateral grip, and tail flicks will easily occur. Especially on snowy roads, the above situation is more likely to occur when emergency braking.

　　ABS controls the locking of the wheels by controlling the release and release of brake oil pressure. Its working process is actually a cycle of locked-released-locked-released operation, which keeps the vehicle always rolling in the critical locked gap.

　　But in some movie stunt scenes, some cars are not equipped with ABS, so we can see many difficult and exciting stimulation scenes such as side slipping and tail flicking. For some advanced racers who want to pursue driving excitement, they also don't like to equip cars with ABS. After all, ABS is not designed for special actors and senior racers, but for ordinary drivers to ensure their driving safety.

　　EBD is more advanced than ABS?

　　In recent years, EBD has been added to the popularity of automobiles. Many models, such as the Guangben Odyssey, Palio, Siena, etc., are described as "ABS + EBD" in the brakes. So is EBD an extension of ABS functions, or is EBD more advanced than ABS?

　　EBD's English name is ElectricBrakeforceDis-tribution, and the Chinese translation is "electronic braking force distribution". When the car is braking, if the conditions of the four tires attached to the ground are different, for example, the left wheel is attached to a wet road and the right wheel is attached to a dry road, the friction between the four wheels and the ground is different. The braking force of the four wheels is the same), it is easy to cause slipping, tilting and rollover.

　　The function of EBD is to calculate the friction force values of the four tires due to different adhesion at the moment of car braking, and then adjust the braking device to make high-speed adjustment during exercise according to the set program to achieve the braking force and The friction (traction) is matched to ensure the stability and safety of the vehicle.

　　When the emergency braking wheels are locked, the EBD has balanced the effective ground grip of each wheel before the ABS action, which can prevent tail flicks and side shifts and shorten the braking distance of the car.

　　EBD is actually an auxiliary function of ABS, which can improve the efficacy of ABS. Therefore, in terms of safety indicators, the performance of the car is more "ABS + EBD".

　　Is ESP more powerful

　　ESP is the abbreviation of ElectronicStabilityProgram in English, which translates into "electronic stability program" in Chinese. This group of systems usually supports the functions of ABS and ASR (driving anti-skid system, also known as traction control system). It helps the vehicle maintain dynamic balance by analyzing the vehicle driving state information transmitted from each sensor, and then issuing correction instructions to ABS and ASR. ESP can make the vehicle maintain the best stability under various conditions, and the effect is more obvious in the case of oversteer or understeer.

　　ESP generally requires the installation of steering sensors, wheel sensors, sideslip sensors, lateral acceleration sensors, etc. ESP can monitor the driving status of the car and automatically apply braking force to one or more wheels to keep the car running in normal lanes, and even 150 times per second in some cases. At present, there are three types of ESP: four-channel or four-wheel system that can independently apply braking force to four wheels; two-channel system that can independently apply braking force to two front wheels; A three-channel system that applies braking force to the rear wheels simultaneously.The most important feature of ESP is its initiative. If ABS responds passively, then ESP can prevent it before it happens.

　　In short, whether it is ABS, EBD, or ESP, it is to improve the safety of people driving.

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Previous: Detailed explanation of automobile anti-lock braking system (ABS)

Next: What should I do if the car ABS system fails?

Previous: Detailed explanation of automobile anti-lock braking system (ABS)

Next: What should I do if the car ABS system fails?

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