Patent · US Active

Position detector

US10948314B2 · kind B2 · utility

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0References
8Claims
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Assignee

Inventors

Key dates

Filing dateMar 21, 2019
Grant dateMar 16, 2021
Priority date
Expiry dateMar 21, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02P21/18
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A method for determining the position of a rotor in an electronically commuted motor. The method comprises the steps of calculating the rotation angle using three Hall-sensors; identifying and correcting phase errors; and determining and correcting cyclic errors.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.