Roadmap / Applications

Goal Run a motor at the speed and torque you want with a three-phase inverter.

1. 01
   Electromagnetic basics

   Current makes force, motion makes voltage. What back-EMF really is.

   Read the note KR

2. 02
   DC motor and H-bridge3D lab

   Four switches set direction; PWM sets speed.

   Read the note KR

3. 03
   Stepper motors

   Motors that move in fixed steps, and microstepping.

   Read the note KR

4. 04
   Servo motors

   Motors with built-in position feedback, controlled by pulse width.

   Read the note KR

5. 05
   BLDC structure3D lab

   A motor where electronic switches replace brushes.

   Read the note KR

6. 06
   Six-step commutation3D lab

   Six switch combinations, chosen by the Hall sensors, pull the rotor around.

   Read the note KR

7. 07
   Three-phase inverter3D lab

   Three half bridges, dead time and the bootstrap circuit.

   Read the note KR

8. 08
   Phase-current sensing3D lab

   Sampling phase current in sync with the PWM period.

   Read the note KR

9. 09
   FOC3D lab

   Turning three phase currents into two DC values, d and q, to control torque directly.

   Read the note KR

10. 10
    Current, speed and position loops3D lab

    Nested from the inside out: where control theory meets firmware.

    Read the note KR