SLLA575 June   2022 DRV10987 , MCF8316A , MCT8316A

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2Design Challenges and Solutions
    1. 2.1 Minimizing Motor Startup Time
      1. 2.1.1 Align
      2. 2.1.2 Initial Position Detect (IPD)
      3. 2.1.3 Slow First Cycle
    2. 2.2 Improving Motor Speed Stability – Tuning Speed PI Controller
      1. 2.2.1 Auto Tuning
      2. 2.2.2 Manual Tuning
    3. 2.3 Improving System Efficiency by Minimizing Power Losses
  5. 3References

2.2 Improving Motor Speed Stability – Tuning Speed PI Controller

The integrated speed control loop in MCF8316A helps maintain a constant speed over varying operating conditions. The Kp and Ki coefficients of the Speed PI controller are configured through SPD_LOOP_KP and SPD_LOOP_KI. These coefficients are tuned either manually or automatically to achieve better speed stability and speed regulation.