Patent · US Active

Method for controlling a motor using pulse width modulation (PWM)

US9628000B2 · kind B2 · utility

3Cited by

4References

14Claims

0Family size

Assignees

AUDI AG · DE
Conti Temic microelectronic GmbH · DE

Inventors

Bernhard Schwantner · Eichstätt, DE
Georg Kaeufl · Trostberg, DE

Key dates

Filing date	Nov 2, 2012
Grant date	Apr 18, 2017
Priority date	—
Expiry date	Feb 6, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04B15/025
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method controls a motor using pulse width modulation (PWM). The method involves measuring the PWM frequency; determining the carrier frequency of a set radio transmitter; and matching the PWM frequency to the carrier frequency of the radio transmitter in such a manner that an integer multiple of the PWM frequency corresponds to the carrier frequency or an integer multiple of the PWM frequency lies in the middle between two carrier frequencies.

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