- 接近角:
- 21
- 离去角:
- 17
What is the role of the system? The anti-lock braking system can improve the safety factor of emergency braking of the vehicle when driving. In other words, without a car, when the car applies emergency braking in an emergency, it is easy for the tires to lock up, that is, the steering wheel cannot rotate, so the risk factor will increase and it can easily cause serious consequences.
Single channel generally controls the two rear wheels together according to the low selection principle. The single channel cannot make full use of the adhesion of the two rear wheels, so the braking distance may not be significantly shortened. In addition, the front wheel braking is not controlled. The front wheel will still lock during braking, so the steering control ability is not improved. However, since the two rear wheels will not lock during braking, braking can be significantly improved. The directional stability is a major advantage in terms of safety, and it has the advantages of simple structure and low cost, so it is widely used in light trucks.
To sum up, although the device can shorten the braking distance, in addition, the prices of different types of devices also vary greatly due to reasons such as composition and structure. Therefore, when purchasing a car, you should not only look at the price, but also the price. What type of device is used.
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When the wheel is about to reach the next locking point, the pressure of the brake fluid causes the air bag to act repeatedly, so that it can act ~ times in one second, which is equivalent to continuously relaxing the brake, that is, similar to For mechanical braking. Therefore, the anti-lock braking system can avoid loss of direction and wheel slip during emergency braking, prevent the wheels from being locked during braking, and prevent the tires from rubbing against the ground at one point, thereby increasing friction and improving braking efficiency. To achieve the above, it can also reduce brake consumption and extend the service life of brake drum discs and tires by twice. The vehicles equipped with it have excellent anti-skid performance on dry asphalt roads, rainy days, snowy days and other roads.
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The system itself also has limitations, and it still cannot escape certain physical laws. In both cases, the system cannot provide the shortest braking distance. One is to brake directly by an experienced driver on a smooth dry road. Another situation is braking on loose gravel or on roads with deep snow. In addition, often on dry pavement, the latest systems can control the slip rate within a certain range, but not all brake at the same rate or to the same extent. Although the four-wheel anti-lock braking system can brake the car in the shortest possible distance, if the braking is performed too late and the car cannot come to a complete stop before colliding with the obstacle, it still cannot prevent the accident from happening. .
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