What is it about?
We propose an advanced sensorless stepper motor control method.
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Why is it important?
We propose an integral harmonic filter (IHF) to eliminate the harmonics of the estimated back-EMF. On this basis, the combination of IHF and third-order phase-locked loop (PLL3rd) is proposed to improve the accuracy of the back-EMF observer signal for PM rotor position estimation. All the proposed algorithms can be applied to an industrial HSM without additional costs.
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KIEN MINH LE
Le Quy Don Technical University
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This page is a summary of: Improving the Accuracy of Permanent Magnet Rotor Position Estimation for Stepper Motors Using Magnetic Induction and Harmonic Rejection, IET Power Electronics, April 2020, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-pel.2019.1128.
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