Automated transmission downshift control

A method/system for controlling downshifting in an automated mechanical transmission system (10) utilized on a vehicle having a manually controlled engine brake (46) and foot brake (44) system. The engine speed at which downshifts are commanded (ESD/S) is modified as a function of sensed operation o...

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Bibliographische Detailangaben
Hauptverfasser: STASIK, ANTHONY, HAWARDEN, JEFFREY P, TUSON, JOHN S, WHEELER, ROBERT S, GIBBONS, DAVID E
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A method/system for controlling downshifting in an automated mechanical transmission system (10) utilized on a vehicle having a manually controlled engine brake (46) and foot brake (44) system. The engine speed at which downshifts are commanded (ESD/S) is modified as a function of sensed operation of the engine brake (EB?) and foot brake (FB) systems.