Commutation system for torque ripple minimization

Commutation system for torque ripple minimization

This invention relates to minimizing torque ripple in electric motors. A system for reducing torque ripple in an electric motor, comprising an electric motor having a stator and a rotor, a first set of N Hall sensors, a second set of N Hall sensors, a controller, and wherein said N Hall sensors in e...

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Hauptverfasser: Derouane, Benoit, Murthy, Sunil Keshava, Sebastian, Tomy, Liu, Buyun
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Sprache:eng
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creator Derouane, Benoit
Murthy, Sunil Keshava
Sebastian, Tomy
Liu, Buyun
description This invention relates to minimizing torque ripple in electric motors. A system for reducing torque ripple in an electric motor, comprising an electric motor having a stator and a rotor, a first set of N Hall sensors, a second set of N Hall sensors, a controller, and wherein said N Hall sensors in each said set of Hall sensors is spaced 360/N electrical degrees apart and said first and second sets of Hall sensors are spaced T electrical degrees apart, and wherein said controller is adapted to provide increased current during an overlap period detected by said Hall sensors.
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A system for reducing torque ripple in an electric motor, comprising an electric motor having a stator and a rotor, a first set of N Hall sensors, a second set of N Hall sensors, a controller, and wherein said N Hall sensors in each said set of Hall sensors is spaced 360/N electrical degrees apart and said first and second sets of Hall sensors are spaced T electrical degrees apart, and wherein said controller is adapted to provide increased current during an overlap period detected by said Hall sensors.</abstract><oa>free_for_read</oa></addata></record>
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title Commutation system for torque ripple minimization
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