Microcontrollers for the drive train in hybrid and electric vehicles
The electric drive train is superior in many respects to the conventional drive train with combustion engines. The electric motor has higher efficiency, as well as better torque and performance. An electric drive train provides a much simpler mechanical design while eliminating undesirable noise and pollution emissions. Today’s electrical energy storage systems limit the vehicle range, employing intelligent battery management and the hybrid concept. In addition, certain system faults can be dangerous to passengers and damage the electrical components of the vehicle, so automotive safety requirements must be taken into account. This paper describes the types of e-machines used, the electronic controller for e-motor control, and the resulting specific demands on the microcontroller.
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