Air suspension is not a new technology developed in recent years. Their basic technical solutions are similar, mainly including air springs with compressed air inside and variable damping shock absorbers.
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Compared with traditional steel suspensions, air suspension has many advantages. The most important point is that the spring's elastic coefficient is the spring's soft and hard energy can be adjusted automatically according to needs. For example, the suspension can be hardened at high speed to improve the stability of the vehicle. When driving at low speed for a long time, the control unit thinks that it is passing through the bumpy road, and the suspension is softened to improve the shock absorption comfort.
In addition, the acceleration generated by the impact of the wheel on the ground is also one of the parameters considered when the air spring is automatically adjusted. For example, at high speed cornering, the air springs and shock absorbers of the outer wheel will automatically harden to reduce the roll of the body. The electronic module will also strengthen the spring and shock absorber hardness of the front wheel during emergency braking. To reduce the inertia of the body forward. Therefore, models equipped with air springs have higher control limits and comfort than other vehicles.
For example, the AIRMATIC.DC air suspension system equipped on Maybach is a simple example of the change in spring soft and hard. The spring rate of the spring is regulated by the flow of air in the rubber skin cavity. When short-waved or high-speed cornering, part of the gas in the skin cavity is locked. When the skin cavity is compressed, the air flow is reduced, and the spring is hardened to reduce the body undulation and improve the stability of the body. On ordinary roads, all air flows freely, and when the chamber is pressurized, the air flow is increased, providing a soft spring and maximum ride comfort. The air in Maybach's air suspension always maintains a pressure of 6-10 bar. The air suspension also incorporates traditional chassis lift technology. At high speeds, the height of the car is automatically reduced, which improves the grounding performance, ensuring good high-speed driving stability while reducing windage and fuel consumption. As the speed passes through the bumpy road, the chassis automatically rises to improve performance. In addition, the air suspension system can automatically maintain the level of the vehicle body. The height of the vehicle body can be kept constant regardless of the full load, so that the spring travel of the suspension system is kept constant under any load conditions, so that the shock absorption characteristics are basically not affected. Therefore, even under full load, the body is easy to control. This is indeed a leap in platform technology.
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