Cold rattle reduction control system

A control system for controlling an electric machine (EM) of a hybrid electric vehicle is provided. The system includes: an enable module that selectively enables a motoring mode of the EM based on ambient air temperature; and an EM control module that commands the EM to provide motoring torque as a...

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Bibliographische Detailangaben
Hauptverfasser:	Tamai, Goro, Schipperijn, Frank W, Aldrich, III, William L, Hauersperger, Dean A, Tervo, Steven A, Hajdyla, David J
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A control system for controlling an electric machine (EM) of a hybrid electric vehicle is provided. The system includes: an enable module that selectively enables a motoring mode of the EM based on ambient air temperature; and an EM control module that commands the EM to provide motoring torque as a function of engine speed during the motoring mode.