As an important means of transportation, the use and management of semi-trailers are also subject to strict supervision.
Tractors and trailers may be required to be equipped with EBS brake system as standard! What is EBS? What are the benefits of equipping trailers with EBS? In this article, the editor will tell you!
EBS stands for Electronic Braking System. It is mainly composed of sensors, electronic control units, actuators and other auxiliary components. It mainly adopts electronic control technology to achieve precise control of the vehicle braking system through the coordinated work of sensors, electronic control units and actuators.
We all know that the ABS system mainly prevents wheels from locking by quickly and continuously adjusting the brake pressure, while EBS introduces an electronic control system to replace the traditional mechanical system.
Simply put, the EBS system collects information such as brake signals and wheel speed through sensors, and then processes and calculates them through the electronic control unit (ECU), controlling the actuators (such as proportional relay valves, ABS solenoid valves, etc.) to adjust the brake pressure.
Therefore, the EBS system not only includes all the functions of ABS, but also achieves higher precision and faster response speed through electronic control.
Moreover, the EBS system can also have more advanced functions. For example, the EBS system can achieve more precise brake force distribution and automatically adjust the brake force ratio of the front and rear axles according to factors such as vehicle load and road conditions.
At the same time, the EBS system also has functions such as anti-tilt control, deceleration control, braking force distribution, main and suspension consistency control, auxiliary brake integration, pit parking, friction pad wear control, and brake temperature monitoring.
In addition, the EBS system also has a faster braking response time and a shorter braking distance. Under the same conditions, EBS can reduce the braking distance by 15%, making braking safer and more efficient.
Of course, any technology has its limitations, and EBS is no exception. In general, the current EBS system has shortcomings such as high cost, environmental sensitivity, dependence and compatibility, technical maturity and reliability.
When it comes to the issue of EBS, many truck drivers have questions: Can’t EBS be equipped on the tractor head? Why do non-powered trailers also need to be equipped with EBS?
In fact, the main reason why trailers need to be equipped with EBS is to be able to communicate with tractors equipped with EBS, so as to achieve the purpose of coordinated braking between the tractor and trailer, and prevent the occurrence of head-pushing and other phenomena due to lack of communication between the tractor and trailer. In addition, equipping trailers with EBS can further improve reliability and safety.
In simple terms, EBS can make different controls for each wheel. For example, when the vehicle brakes on a slippery road, the driver steps on the brake, and the system will release the brake pressure according to the driver’s braking force to achieve the best braking effect. If a wheel locks or slips due to insufficient friction, the EBS system will reduce the brake pressure for that specific wheel to ensure balanced braking force between the wheels.
The trailer is usually braked earlier than the main vehicle, because the connection between the trailer and the main vehicle determines the particularity of braking. Once the trailer or the main vehicle brakes out of sync, it is very easy to cause dangerous situations such as side slip or head push.
The emergence of EBS can solve this problem. If both the main vehicle and the trailer are equipped with EBS systems, when the system detects that the braking of the main vehicle and the trailer are inconsistent, EBS will adjust the braking distribution to achieve a unified braking effect.
For example: when the driver steps on the brakes and applies the brakes, if the main vehicle skids, a dangerous situation of pushing the front will occur. At this time, the EBS system detects this situation and instantly releases the main vehicle brakes, while distributing the braking force to the left and right wheels of the trailer to balance the driving of the vehicle and fully ensure the safety of the driver and the vehicle.
The EBS system has not only been improved in terms of safety performance, but also has been fully expanded in terms of functionality. Therefore, EBS is not just a system with a single function, but an open vehicle control platform.
EBS can be integrated and work together with other electronic systems to derive a variety of auxiliary functions, including body stability control (ESC or ESP), anti-rollover system (RSC), drive anti-skid (ASR), hill start assist (HSA), etc.
EBS can be said to be a major innovation in vehicle braking systems. In addition to its own performance and functions, more importantly, it provides a basic platform for various auxiliary systems that will appear in the future.
That is to say, if your car has EBS, it may be equipped with not only ABS, but also other systems such as ESC/ESP, RSC, ASR, ACC, etc. Even in the future, the EBS platform may be able to add more automatic driving functions. These advantages are not possessed by the ABS system and are also the future development trend.
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