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Dive into the research topics where Sigrid Hafner is active.

Publication


Featured researches published by Sigrid Hafner.


Archive | 1996

Process for detecting misfiring by assessing rotation speed variations

Asmus Volkart; Klaus Ries-Müller; Sigrid Hafner; Jürgen Förster; Wolfgang Wimmer; Andrea Lohmann


Archive | 1996

Method of detecting combustion misfires by evaluating RPM fluctuations

Asmus Volkart; Klaus Ries-Müller; Sigrid Hafner; Jürgen Förster; Wolfgang Wimmer; Andrea Lohmann


Archive | 1996

Method of detecting misfires in a multicylinder internal combustion engine

Manfred Mezger; Asmus Volkart; Klaus Ries-Müller; Rainer Frank; Sigrid Hafner


Archive | 1997

Device for knock recognition and control of a combustion engine

Stefan Unland; Oskar Torno; Robert Sloboda; Werner Häming; Iwan Surjadi; Michael Bäuerle; Sigrid Hafner


Archive | 1996

Verfahren zur verbrennungsaussetzererkennung durch auswertung von drehzahlschwankungen

Asmus Volkart; Klaus Ries-Müller; Sigrid Hafner; Jürgen Förster; Wolfgang Wimmer; Andrea Lohmann


Archive | 1995

Identifying combustion interruptions in multi-cylinder IC engine

Manfred Mezger; Asmus Volkart; Klaus Ries-Mueller; Rainer Frank; Sigrid Hafner


Archive | 1998

Method and device for forming a deployment criterion for a restraint system

Michael Henne; Lothar Groesch; Sigrid Hafner; Torsten Baumann


Archive | 1998

PROCESS AND DEVICE FOR FORMING A RESTRAINT SYSTEM TRIGGERING CRITERION

Michael Henne; Lothar Groesch; Sigrid Hafner; Torsten Baumann


Archive | 1998

Procede et dispositif pour creer un critere de declenchement destine a un systeme de retenue

Torsten Baumann; Lothar Groesch; Sigrid Hafner; Michael Henne


Archive | 1997

Method and apparatus for forming a triggering criterion for a restraint system

Michael Henne; Lothar Groesch; Sigrid Hafner; Torsten Baumann

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