Siemens will show the wheel motor powered Roding Roadster Electric at the 2015 IAA (Internationale Automobil-Ausstellung) in Frankfurt Germany this month.
The Roding Roadster Electric is a hub drive powered research vehicle. Based on the Roding Carbon Cell, this innovative battery-powered drive train could be realized together with Siemens Corporate Technology. The prototypes used for this purpose were constructed without a mechanical brake at the rear axle, instead, braking is done by the electric motor.
The brake system is controlled by so-called Brake Blending, i.e., as circumstances require, the brake torque is automatically transferred from the electrically powered brake to the friction brake at the front axle. It is aimed to recuperate the entire potential energy in 70% of all braking processes.
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