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According to foreign media reports, the new Audi A8 uses a fully active, electromechanical suspension system, which can drive four wheels respectively, suitable for the next road conditions. Each wheel is equipped with a motor, driven by the 48V electrical system of the Audi A8, which is the first time the 48V system has been applied to the main electrical system.
In addition, the model also offers a variable-speed gearing, a rotary tube with a built-in titanium torsion bar and a pull rod on the suspension for maximum torque of 1,100 Nm via coupling rods. (811.3 lb-ft). The new Audi A8 will be unveiled at the first Audi summit in Barcelona on July 11.
The Audi A8 uses a front-facing camera to detect possible collisions in advance and adjust the active suspension. Even in the moment of a vehicle collision, Audi's collision prediction function can still transmit an appropriate amount of travel to the actuator and actively control the suspension.
The suspension can be accurately handled to achieve full shock absorption and avoid bumps in the vehicle. The implementation of this process takes only a few seconds, and the generation time of the camera information is only 1/18 second. Audi's Electric Chassis Platform (ECP) handles road information and provides virtually real-time control of all suspension components.
The precise calibration of the air suspension will give users a new driving experience. Even during the dynamic driving phase, users can feel the comfort of the Audi A8.
This active suspension minimizes the amount of rolling movements during cornering, braking or pitching movements during acceleration, allowing users to enjoy driving dynamics while ensuring control of the vehicle. And will not disturb the passengers in the back seat.
Audi combines the power unit with the rear axle steering. This innovative concept solves the functional conflict between the dynamic all-wheel steering flexibility and stability, making the Audi A8 not only have the performance of the sports car, but also have a higher Control stability, the Audi A8's turning circle is smaller than the Audi A4.
In line with Audi's comprehensive safety system, the performance of the passive safety system used in the active suspension of the new Audi A8 has been enhanced. The system uses interconnected sensors in the central driving assistance controller (zFAS) to probe the perimeter of the vehicle to prevent collisions.
If a side collision occurs at a speed of more than 25 km/h (15.5 mph), the suspension actuator will raise the height of the body on the side of the collision. The operation takes less than half a second and the maximum lift of the body is 80 mm (3.1 in), which improves the anti-collision of the Audi A8, and the side sills and the underbody structure of the car are also strengthened.
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