The scenario
Designing a high-performance sensorless FOC for a PMSM, needing a clear signal flow from speed reference to motor currents, with feedback loops for speed and current regulation.
What is in this drawing
Read the decisions behind it.
01
How to structure the cascade control loops
02
Placement of sensorless estimator using voltage/current inputs
03
Separation of direct and quadrature axes in the current control
When documenting the closed-loop control architecture for a permanent magnet synchronous motor drive in industrial or automotive applications.
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