5. Detailed Algorithm Notes

• 5.1. Field-oriented Current Control
  • 5.1.1. Field-oriented control (FOC): an overview
  • 5.1.2. Fundamentals of FOC
  • 5.1.3. Current measurement
  • 5.1.4. Overmodulation
  • 5.1.5. DC link compensation
  • 5.1.6. Current loop tuning
  • 5.1.7. Comparison between FOC and six-step control
• 5.2. Startup
  • 5.2.1. Overview
  • 5.2.2. Startup sequence and common elements
  • 5.2.3. Classic startup (current decay)
  • 5.2.4. Weathervane startup
  • 5.2.5. ZS/MT + IPC startup
  • 5.2.6. Active damping
  • 5.2.7. Slow and fast acceleration
• 5.3. Stopping
  • 5.3.1. Overview
  • 5.3.2. Minimal-impact PWM
  • 5.3.3. Closed-loop methods
  • 5.3.4. Implementation notes
• 5.4. Position and Velocity Estimation
  • 5.4.1. Firmware Interface
  • 5.4.2. AN1292 Phase-locked Loop (PLL)
  • 5.4.3. Quadrature encoder support
  • 5.4.4. Angle-tracking Phase-locked Loop (ATPLL)
  • 5.4.5. Zero-Speed / Maximum Torque (ZS/MT)
  • 5.4.6. Overview
  • 5.4.7. Comparative analysis
• 5.5. Flux control
  • 5.5.1. Flux weakening
  • 5.5.2. Maximum Torque Per Ampere (MTPA)
  • 5.5.3. D-axis current reference generation
  • 5.5.4. Overview
  • 5.5.5. Flow chart and details
• 5.6. Current limit
  • 5.6.1. Overview
  • 5.6.2. Implications of operating at the current limit
  • 5.6.3. Dynamic current limit
  • 5.6.4. Thermal modeling background
  • 5.6.5. Available current limit algorithms in MCAF
  • 5.6.6. Peak and continuous limits
  • 5.6.7. Implementation notes
• 5.7. Dead-time Compensation
  • 5.7.1. Overview
  • 5.7.2. Definition and origin of dead time
  • 5.7.3. Dead-time distortion
  • 5.7.4. Practical effects of dead-time distortion
  • 5.7.5. Dead-time compensation
  • 5.7.6. References
• 5.8. Voltage Control
  • 5.8.1. Overview
  • 5.8.2. Effects of motor parameters on mechanical compliance
  • 5.8.3. Choosing algorithm parameters
• 5.9. Temperature measurement
  • 5.9.1. Filtering
  • 5.9.2. Implementation notes