Automatic Emergency Braking (AEB) is one of the most advanced safety features equipped on modern cars, with the ability to automatically activate the brakes when detecting obstacles, helping to minimize the risk of collision and protect users.
The AEB system includes important components such as sensors, radars, cameras, central controllers and control software, creating a fast and effective response mechanism.
According to research from the US National Highway Traffic Safety Administration (NHTSA), AEB has the potential to reduce rear-end crashes by up to 40%.
AEB brings many practical benefits such as protecting drivers and passengers, increasing pedestrian safety, saving repair costs, reducing driver stress, contributing to environmental protection, increasing vehicle resale value and reducing the burden on the health system and society.
However, this system still has some limitations such as reduced performance in bad weather conditions, the possibility of unnecessary braking and difficulty in recognizing small objects at long distances.
AEB is indeed an effective technology in reducing accidents and improving traffic safety, but its effectiveness depends on factors such as environmental conditions, speed and regular maintenance.
Let's learn more about this system through the article!
Automatic Emergency Braking (AEB) is a system that automatically applies the brakes when it detects a risk of collision with an obstacle ahead.
Let’s say your car is travelling at 60km/h and detects a car stopping suddenly within 15m of it. AEB will quickly analyse the distance, speed, and apply the brakes in less than 1 second. This reduces the driver’s reaction time and can prevent an accident in a split second.
The main components of the AEB system include: sensors, radar, cameras, controllers and control software.
Thành phần | Role |
Sensors & radar | Detect obstacles from a distance, operate in many weather conditions |
Room | Object recognition, image analysis |
Remote controll | Process data from sensors and make braking decisions |
Control software | Ensure coordination between departments |
The benefits of AEB are reflected in the following aspects: protecting users, enhancing pedestrian safety, reducing repair costs, reducing psychological pressure on drivers, supporting environmental protection, increasing vehicle value, and reducing the burden on the health and social systems.
AEB helps to reduce collisions in unexpected situations, protecting the lives of drivers and passengers. In emergency situations, the system reacts faster than the driver, helping to avoid or reduce the impact of a collision.
AEB also helps protect pedestrians and other vehicles, especially in urban areas.
According to a report by the European Transport Safety Council (ETSC), cars with AEB reduce the risk of collisions with pedestrians and cyclists by up to 35%. This is especially important in densely populated areas where collisions with pedestrians or motorcyclists are common.
In addition to safety, AEB also helps save on repair costs by reducing the number of minor collisions. Even minor collisions, even those that do not result in injury, can result in significant repair costs.
According to statistics from the Insurance Institute for Highway Safety and Highway Loss Data Institute (IIHS-HLDI), low-speed collisions typically cost an average of $500 to $1,500 per repair. With AEB, these collisions are significantly reduced, thereby saving users on maintenance and repair costs.
AEB not only assists in emergency situations but also helps reduce driver stress, especially when driving in crowded urban areas or in complex traffic conditions.
Each time a collision occurs, a vehicle may need to be repaired or parts replaced, which creates additional carbon emissions from the production of new parts and vehicle repairs.
By reducing the number of crashes, AEB indirectly helps reduce emissions from these activities. A report from the International Ecological Economy Promotion Association (IEEPA) found that reducing crashes through AEB could save around 5% of CO2 emissions over the life of a vehicle, thanks to reducing the need for frequent repairs and replacement parts.
Vehicles with AEB typically have higher resale values than those without, as used car buyers increasingly prioritise safety features.
According to Kelley Blue Book (KBB), vehicles equipped with AEB and advanced safety systems can increase their resale value by 10-15% compared to similar vehicles without AEB. This not only helps users save costs when using, but also optimizes the long-term investment value.
Road crashes often place a heavy burden on the health and social systems, including the costs of treatment, rehabilitation and support services. Reducing crashes through AEB can help reduce the financial burden on society.
The World Health Organization (WHO) estimates that a 10% reduction in road crashes due to AEB could save the health system millions of dollars each year, through reduced treatment and rehabilitation costs for accident victims.
Despite its many benefits, AEB does have some notable drawbacks: reduced effectiveness in bad weather, increased risk of unnecessary braking, and limited ability to recognise small objects or pedestrians at long distances.
AEB relies on sensors and radar, so effectiveness may be reduced in heavy rain or fog.
AEB systems sometimes detect objects that are not dangerous, causing unnecessary braking. This can cause “pseudo-braking” and reduce the driving experience.
Some AEB systems may not detect small objects or pedestrians at a certain distance, leading to risks in complex situations.
AEB systems in cars are effective in reducing crashes and protecting users, but their effectiveness depends on environmental factors, speed and maintenance.
In developed countries such as the US and Europe, AEB has become a mandatory standard for new cars since 2022. In Vietnam, AEB still mainly appears on high-end cars.
No, AEB is an aid and cannot replace the driver's attention and control. The driver must always pay attention to the road and be ready to take control. automobile brake system.
At high speeds, AEB needs to increase reaction time and adjust the braking distance further to prevent collisions, which is suitable for the highway environment and ensures braking efficiency.
AEB currently comes in three main types: urban AEB which works well below 40 km/h, highway AEB for speeds above 60 km/h, and AEB for pedestrians and animals which can recognise these objects at all speeds.
AEB can coordinate with other car safety system such as ABS (Anti-lock Braking System) to prevent wheel slippage during sudden braking and ESC (Electronic Stability Control) to maintain stability when the vehicle loses control, ensuring optimal braking efficiency.
For vehicles equipped with AEB, please note:
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Does this automatic brake system have a cover for the Altis?