Optimisation of HF signal injection for sensorless control

What is it about?

High frequency signal injection is a well known technique to estimate the rotor position of electrical machine. The paper proposes a methodology to find the best parameter of the HF signal in order to improve the estimation precision.

Featured Image

Why is it important?

Precision and stability of position estimation are key features for sensorless control. The optimisation of the HF signal parameters makes it possible to set the most appropiate estimation regarding the control requirements.