Description
Added on the 10/12/2020 07:04:26 - Copyright : Auto Moto EN
This animation shows the technology of the electric all-wheel drive: the twin motor and the electric torque vectoring.
Audi is showing consistency and continuing with its electric offensive – with the new Audi e-tron S and the new Audi e-tron S Sportback. Both of the S models with fully electric drive use three electric motors, two of which operate on the rear axle. Their intelligent drive control raises vehicle safety, and dynamic handling in particular, to a new level. In addition to the electric all-wheel drive, the vehicles are equipped with electric torque vectoring with active and fully variable torque distribution on the rear axle.
Audi is showing consistency and continuing with its electric offensive – with the new Audi e-tron S and the new Audi e-tron S Sportback. Both of the S models with fully electric drive use three electric motors, two of which operate on the rear axle. Their intelligent drive control raises vehicle safety, and dynamic handling in particular, to a new level. In addition to the electric all-wheel drive, the vehicles are equipped with electric torque vectoring with active and fully variable torque distribution on the rear axle.
Audi is showing consistency and continuing with its electric offensive – with the new Audi e-tron S and the new Audi e-tron S Sportback. Both of the S models with fully electric drive use three electric motors, two of which operate on the rear axle. Their intelligent drive control raises vehicle safety, and dynamic handling in particular, to a new level. In addition to the electric all-wheel drive, the vehicles are equipped with electric torque vectoring with active and fully variable torque distribution on the rear axle.
Audi is systematically moving forward with its e-offensive: The Audi e-tron and the Audi e-tron Sportback are becoming more agile, sharper and more dynamic as S models. The three electric motors, two of which are located on the rear axle, together provide 370 kW of boost power and 973 Nm (717.6 lb-ft) of torque. This allows the two purely electrically driven models to accelerate to 100 km/h (62.1 mph) in 4.5 seconds. The intelligent drive control raises vehicle safety, and dynamic handling in particular, to a new level: In addition to the electric all-wheel drive, there is the electric torque vectoring with active and fully variable torque distribution on the rear axle.
The electric all-wheel drive in the Q4 e-tron top models has an asynchronous motor (ASM) on the front wheels that can rev at up to 14,000 rpm. It is installed coaxially and has combined cooling with coolant and oil. The principal advantages of the ASM are its short-term overload capacity and the minimal drag losses when it is inactive – these are important because the front motor does not contribute to the drive in the majority of driving situations for reasons of efficiency.
For an accurate calculation of the current range, the algorithm supplements recent consumption data with additional data from the Audi Q8 e-tron route planner. This means the system considers the weather, traffic conditions, and topography along the planned route, whilst also providing preference to high-power charging (HPC) stations to minimize charging times.
The electric all-wheel drive builds on the intelligent networking of numerous control systems that ensure the typical quattro properties of high traction and driving stability. Important network elements include the four-stage electronic stabilization control (ESC) system and the power electronics, which interact to help balanced handling.
Marc Baur, Technical Development AUDI AG, explains the electric torque vectoring.