HAN Liang. Position estimation of low-resolution Hall sensors based on current compensatio[J]. Journal of Mine Automation, 2013, 39(7): 46-49.
Citation: HAN Liang. Position estimation of low-resolution Hall sensors based on current compensatio[J]. Journal of Mine Automation, 2013, 39(7): 46-49.

Position estimation of low-resolution Hall sensors based on current compensatio

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  • In order to cut the cost of servocontrol system of permanent-magnet synchronous motor, the paper used three low-resolution Hall sensors as position detecting device to estimate high-resolution rotor position information. The sensors reduced error of traditional low-resolution control technology at start-up and low-speed stage by using current compensation to estimate acceleration. The simulation results demonstrate that the method effectively improves stability of the motor at the low-speed stage, decreases estimation error of rotor position and gains favorable control performance in all-speed range.
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