Systems and methods are provided that prevent or override a hybrid electric vehicle (HEV) from operating in an engine-on mode or condition when the HEV is coasting, such as when the HEV is traveling on a downhill grade. Regenerative torque is generated by one or more electric motors of the HEV so that the pinion gear of a planetary gear set of a power distribution mechanism operates below an overspeed limit at which hardware failure may occur.
LIMITING ENGINE ON CONDITION WHILE COASTING
29.10.2020
Patent
Elektronische Ressource
Englisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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