Sensored (Encoder-Based) Field Oriented Control of Three-Phase Permanent Magnet Synchronous Motor (PMSM)

1 Field Oriented Control of PMSM

2 Block Diagram of Sensored FOC of PMSM

3 Flow Chart of Sensored FOC Implementation

4 PID Controller

4.1 PID Controller Background

4.2 Adjusting the PID Gains

4.3 Control Loops in FOC

5 Coordinate Transforms

5.1 Clarke Transform

5.2 Park Transform

5.3 Inverse Park Transform

5.4 Inverse Clarke Transform

6 Space Vector Pulse Width Modulation (SVPWM)

7 Position Measurement

8 Quadrature Decoder of SAME70 MCU

8.1 Speed Calculation

9 Quadrature Encoder Interface of PIC32MK MCU

9.1 Speed Measurement

10 Motor Start-Up and Alignment

10.1 Index Pulse Offset

12 References and Resources

13 Revision History

Microchip Information

Microchip Devices Code Protection Feature