Patent · US Active

Method for controlling a device by means of pulse duration modulation and control system

US8310318B2 · kind B2 · utility

1Cited by

3References

17Claims

0Family size

Assignee

GM GLOBAL TECHNOLOGY OPERATIONS LLC · US

Inventors

Uwe Steinmann · Ober-Ramstadt, DE
Klaus Pochner · Gerolzhofen, DE
Ritesh Arenja · Heidelberg, DE

Key dates

Filing date	Oct 22, 2010
Grant date	Nov 13, 2012
Priority date	—
Expiry date	Oct 27, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH03K7/08
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A method is provided for controlling an actuator that can be switched into an on state and an off state by means of pulse duration modulation, as well as to a control system. The inventive method includes, but is not limited to defining a standard pulse repetition period for the square wave signal for a range of a nominal pulse-duty factor, and increasing the pulse repetition period of the square wave signal referred to the standard pulse repetition period if a nominal pulse-duty factor falls short of a first lower threshold value and/or if a nominal pulse-duty factor exceeds a first upper threshold value.

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