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Sensorless Close-Loop Control of PMSM

Sensorless Close-Loop Control of PMSM. Sensorless close-loop control based on FOC scheme. FOC scheme. Estimate rotor angle by measuring motor phase currents. Software module. What I have done. Completed forward control part Motor can speed up to about 75KRPM.

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Sensorless Close-Loop Control of PMSM

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  1. Sensorless Close-Loop Control of PMSM • Sensorless close-loop control based on FOC scheme

  2. FOC scheme • Estimate rotor angle by measuring motor phase currents

  3. Software module

  4. What I have done • Completed forward control part • Motor can speed up to about 75KRPM

  5. Try to install sensorless close loop control without encoder Optimize signal waveform & driver efficiency Remove harmonics by LPF Remove current oscillation Stabilization control High efficiency control By suppressing d-axis current What I need to do next

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