Principle Analysis of ABS Brake Assist System

In recent years, many simple and even ridiculous traffic accidents have frequently appeared in our field of vision, but after understanding the approximate content, it was quickly deleted from our brain memory, and how many people analyzed it The reason? In fact, the information about traffic accidents is not just for professionals to do detailed analysis and statistics of the system. Everyone in the society is actually a participant in traffic behavior. It is absolutely very important to think about the causes of these accidents. necessary.

With the application of a large number of high-tech products in the field of automobile manufacturing, the relevant indicators of automobiles have indeed become more advanced, and the key technical indicators such as handling and safety have been greatly improved. But everyone needs to know clearly: so far, a lot of cars still need people to control! The ability of the driver is always the first element of vehicle control. But there are many common-sense problems that are not known to everyone, such as braking.

Braking is a very important skill in vehicle control technology. In recent years, due to the popularity of a large number of electronic control components, many of the work in braking techniques have been participated or even taken over by computers. Even so, there is a lot of new common sense about braking that needs to be remembered by all drivers at all times, because no matter how powerful the electronic control device is, if there is no opportunity to fully play it or even not work, how a high-tech car will become a killing machine .

Most of the current commercial cars are equipped with ABS systems, but how much do you know about ABS? Not to say the principle of this device, nor the structure of this device, just the use of this device. On this point, there are many misunderstandings. These seemingly simple cognitive differences may lead to a terrible result at the most critical time. Let me talk about where these misunderstandings are, and how terrible they are.

First of all, how to use ABS? To put it simply: when you step on the brake pedal as fast as you can, as hard as you can, do n’t let go of your feet until the car stops. This braking method was an absolute fallacy two decades ago, a fatally wrong method. That was because there was no ABS at that time, such braking would make the high-speed rotating wheels instantly locked tightly by the brake pads, and the stalled wheels lost all their power and steering ability, "bang", and crashed into it.

In order to avoid this situation, there is the concept of "point brake", quickly and continuously stepping on the brake pedal, the brake force gradually acts on the wheels. But this is a more professional skill after all, and at the same time it is in such a critical situation, so it is difficult to popularize the "brake brake" among the most extensive drivers. The emergence of ABS solves this embarrassment. Through the mechanical control pulse of the electronic induction device, the braking force is evenly and quickly transmitted to the wheels to prevent the wheels from locking instantly.

From this point of view, the ABS device is a device to correct and improve the past bad control behavior to avoid accidents. Then to make this device fully function, only the most thorough and original may be the most "wrong". Brake method to activate this device and save your life. It is to adopt the method mentioned above, step on the foot directly and quickly, ABS will immediately respond to this sudden outbreak of braking behavior, and thus play its due role.

While resolutely stepping on the brake pedal, there is another very important link, that is, it must be kept on. When ABS acts on the wheel, the reaction force of the wheel will also be transmitted back to the brake pedal, and the brake pedal will continue to send rhythmic pulses, making people feel that the brake pedal is constantly shaking, this is called "brake feedback" . At this time, if the brake pedal is released, ABS will sense the end of the brake and naturally stop working. Therefore, during the entire braking process, you must step on the brake pedal, and do not let go of any jitter.

Next, let's talk about the misunderstanding of ABS. ABS is a brake anti-lock system, so ABS is only to prevent the vehicle from keeping the wheels rolling and turning under sudden emergency braking conditions. ABS will never shorten the braking distance, so during emergency braking, do not expect the vehicle to stop instantly. On the contrary, you must actively adjust the direction of the vehicle to avoid the most dangerous collision. The function of ABS is just to give the driver a chance to save himself or even avoid danger at the last minute. If you do nothing, ABS will not help you.

Finally, some more data is prompted. When the ordinary car with good vehicle condition brakes at 40km / h on a dry road, the braking distance is 10 meters; the braking distance at 60km / h is 13 meters; the braking distance at 80km / h is 20 meters; the braking distance at 100km / h is 40 meters.

Knowing this, take the time to get familiar with your car, find an empty and safe place, try your ABS, mention the speed as only 60km / h, and then step down the brake pedal hard , Experience what is the legendary "brake feedback", remember this feeling of pulse jitter; then get off to see your own brake traces, remember these two long black marks, and re-establish a "brake" The concept of "distance".

In fact, all electronic control equipment on the car has limitations. Each system only exerts control capabilities for specific situations. The vehicle is ultimately controlled by the driver. Do n’t rely too much on these high-tech equipment because these devices are not intelligent. Is not omnipotent. It must be remembered that all electronic auxiliary control devices have only one purpose, which is to provide you with more opportunities for self-help and risk avoidance at a critical juncture, and your life is only in your own hands.

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