Patent · US Active

Method for determining the position of a rotor of an electric motor without sensors

US8138701B2 · kind B2 · utility

5Cited by

15References

14Claims

0Family size

Assignee

Conti Temic microelectronic GmbH · DE

Inventors

Jovan Knezevic · Munich, DE
Wolfgang Schulter · Meersburg, DE
Gernot Etzlstorfer · Neubukow, DE
Erich Liepold · Bad Birnbach, DE

Key dates

Filing date	Apr 19, 2006
Grant date	Mar 20, 2012
Priority date	—
Expiry date	Dec 14, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH02K29/06
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Disclosed is a method for detecting the current position of a rotor, in particular the angle of rotation of the rotor, an electromotor and a method for detecting the speed and/or the angle of rotation of an electromotor. The speed of the electromotor is hereby implied inter alia from the number of zero crossings of a comparison signal of the armature resistances or respectively conductances determined continuously in time and the average values of the armature resistances or respectively conductances determined continuously in time.

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