[azubinski]

Most important keywords are:

BLDC + motor control + sensorless

CORDIC is a de facto standard algorithm in the relevant application area.

Infineon explains algorithms compactly and clearly:

https://www.infineon.com/dgdl/AP1610510_CORDIC_Algorithm.pdf

Microchip gives an idea of where and what the algorithm is used for:

https://ww1.microchip.com/downloads/aemDocuments/documents/O...

CORDIC hardware accelerators are found in many microcontrollers designed to control electric motors.