Hosted by IDTechEx
Electric Vehicles Research
Posted on December 29, 2014 by  & 

MotorBrain final review

Under the direction of Infineon, 30 partners from 9 European countries commenced the MotorBrain project, funded by the European Union, three years ago. Their research aims at increasing the range and reliability of electric vehicles while reducing the dependence of Asia (rare earth). In a four day final event at ZF Friedrichshafen the demonstrators from the field of electric mobility were presented to a professional audience consisting of the European Commission and automobile manufacturers.
Battery systems, battery monitoring and torque-sensors, angle and current sensors, and an innovative prototype of an electric motor with a multi-phase system with 9 phases were presented. The integration of engine, gearbox and inverter and the use of newly developed ferrite magnets allowed the building of an engine with a reduced weight.
Furthermore, it has been possible to build the "Motor Brain" prototype without rare earth elements, which are currently a major cost driver for permanent magnet motors and are only available from Asia. The MotorBrain electric motor uses ferrite magnets, which are readily available and less expensive. The weaker performance of the ferrite magnets, due to the abstaining from rare earth elements, is compensated through the specially developed high-speed rotor of the MotorBrain electric motor. Special attention was paid to the development of the motor to functional safety, which is, particularly in electric vehicles, an absolute must. For this purpose, the motor controller and the battery monitoring of the sensors with safety diagnoses and control mechanisms according to the ISO26262 standard has been developed on a multicore platform, which was built on an inverter board directly to the engine.
Source and top image: Motor Brain
More IDTechEx Journals