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04/11/2020 - 05/11/2020

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Optical encoders in electric car driving seat

Optical encoders in electric car driving seat
Rotary optical encoders supplied by Heidenhain company, Renco, have enabled Zytek Electric Vehicles to develop an electric motor-gearbox that replaces the engine and drivetrain in a conventional fuel-powered vehicle. The innovative development has already been successfully applied to a Mercedes Smart car.

Using a 16-pole brushless motor with integrated electronics, the efficiency of Zytek's design relies heavily on the accuracy of the rotor position - hence the use of the Renco R35i encoders to provide high-resolution feedback for motor commutation and highly accurate velocity control.

With a maximum line count of 8,192, the R35i met Zytek's specification for integrated commutation outputs and high-resolution performance in a compact product; it has an outside diameter of only 35 mm. 

The R35i is just one of a wide range of rotary optical encoders available from Renco, an industry-leading manufacturer of a wide range of standard and bespoke rotary optical encoders.

Zytek's state-of-the-art drivetrain utilises brushless DC motor technology that integrates electric motor, power and control electronics into a single assembly that requires only three connections - for water, and high- and low-voltage (300 V and 12 V, respectively).
 

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