SPRUJ26A September   2021  – April 2024

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Motor Control Theory
    1. 2.1 Mathematical Model and FOC Structure of PMSM
    2. 2.2 Field Oriented Control of PM Synchronous Motor
    3. 2.3 Sensorless Control of PM Synchronous Motor
      1. 2.3.1 Enhanced Sliding Mode Observer with Phase Locked Loop
        1. 2.3.1.1 Design of ESMO for PMSM
        2. 2.3.1.2 Rotor Position and Speed Estimation With PLL
    4. 2.4 Hardware Prerequisites for Motor Drive
      1. 2.4.1 Motor Phase Voltage Feedback
    5. 2.5 Additional Control Features
      1. 2.5.1 Field Weakening (FW) and Maximum Torque Per Ampere (MTPA) Control
      2. 2.5.2 Flying Start
  6. 3Running the Universal Lab on TI Hardware Kits
    1. 3.1 Supported TI Motor Evaluation Kits
    2. 3.2 Hardware Board Setup
      1. 3.2.1  LAUNCHXL-F280025C Setup
      2. 3.2.2  LAUNCHXL-F280039C Setup
      3. 3.2.3  LAUNCHXL-F2800137 Setup
      4. 3.2.4  TMDSCNCD280025C Setup
      5. 3.2.5  TMDSCNCD280039C Setup
      6. 3.2.6  TMDSCNCD2800137 Setup
      7. 3.2.7  TMDSADAP180TO100 Setup
      8. 3.2.8  DRV8329AEVM Setup
      9. 3.2.9  BOOSTXL-DRV8323RH Setup
      10. 3.2.10 BOOSTXL-DRV8323RS Setup
      11. 3.2.11 DRV8353RS-EVM Setup
      12. 3.2.12 BOOSTXL-3PHGANINV Setup
      13. 3.2.13 DRV8316REVM Setup
      14. 3.2.14 TMDSHVMTRINSPIN Setup
      15.      34
      16.      35
    3. 3.3 Lab Software Implementation
      1. 3.3.1 Importing and Configuring Project
      2.      38
      3.      39
      4. 3.3.2 Lab Project Structure
      5. 3.3.3 Lab Software Overview
    4. 3.4 Monitoring Feedback or Control Variables
      1. 3.4.1 Using DATALOG Function
      2. 3.4.2 Using PWMDAC Function
      3. 3.4.3 Using External DAC Board
    5. 3.5 Running the Project Incrementally Using Different Build Levels
      1. 3.5.1 Level 1 Incremental Build
        1. 3.5.1.1 Build and Load Project
        2. 3.5.1.2 Setup Debug Environment Windows
        3. 3.5.1.3 Run the Code
      2. 3.5.2 Level 2 Incremental Build
        1. 3.5.2.1 Build and Load Project
        2. 3.5.2.2 Setup Debug Environment Windows
        3. 3.5.2.3 Run the Code
      3. 3.5.3 Level 3 Incremental Build
        1. 3.5.3.1 Build and Load Project
        2. 3.5.3.2 Setup Debug Environment Windows
        3. 3.5.3.3 Run the Code
      4. 3.5.4 Level 4 Incremental Build
        1. 3.5.4.1 Build and Load Project
        2. 3.5.4.2 Setup Debug Environment Windows
        3. 3.5.4.3 Run the Code
  7. 4Building a Custom Board
    1. 4.1 Building a New Custom Board
      1. 4.1.1 Hardware Setup
      2. 4.1.2 Migrating Reference Code to a Custom Board
        1. 4.1.2.1 Setting Hardware Board Parameters
        2. 4.1.2.2 Modifying Motor Control Parameters
        3. 4.1.2.3 Changing Pin Assignment
        4. 4.1.2.4 Configuring the PWM Module
        5. 4.1.2.5 Configuring the ADC Module
        6. 4.1.2.6 Configuring the CMPSS Module
        7. 4.1.2.7 Configuring Fault Protection Function
      3. 4.1.3 Adding Additional Functionality to Motor Control Project
        1. 4.1.3.1 Adding Push Buttons Functionality
        2. 4.1.3.2 Adding Potentiometer Read Functionality
        3. 4.1.3.3 Adding CAN Functionality
    2. 4.2 Supporting New BLDC Motor Driver Board
    3. 4.3 Porting Reference Code to New C2000 MCU
  8.   A Appendix A. Motor Control Parameters
  9.   References
  10.   Revision History

Modifying Motor Control Parameters

The parameters provided in the user_mtr1.h file for a PMSM/BLDC motor are listed as shown in the below code. The motor parameters can be identified either from the motor data sheet or through the FAST identification process, if the FAST module is utilized.

#define USER_MOTOR1_TYPE                   MOTOR_TYPE_PM
#define USER_MOTOR1_NUM_POLE_PAIRS         (4)

#define USER_MOTOR1_Rs_Ohm                 (0.38157931f)
#define USER_MOTOR1_Ls_d_H                 (0.000188295482f)
#define USER_MOTOR1_Ls_q_H                 (0.000188295482f)
#define USER_MOTOR1_RATED_FLUX_VpHz        (0.0396642499f)
#define USER_MOTOR1_MAX_CURRENT_A          (6.0f)