Patent · US Expired

Processes and devices for monitoring the rotation of DC electric motors

US6614256B2 · kind B2 · utility

3Cited by
5References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 2001
Grant dateSep 2, 2003
Priority date
Expiry dateMar 14, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02P7/285
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A process for monitoring the rotation of a DC electric motor, wherein the voltage and the intensity of the current supplying the motor are measured in a manner sampled over time and wherein, for each sampling instant tn, an estimate &thgr;n, of the angular position is calculated as a function of a determined or known position for a previous sampling instant and of an estimate of a value of angular speed between these two instants, which is dependent on the voltage and on the intensity of current measured for the sampling instant tn, and/or for one or more previous sampling instants.

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