A vehicle includes an engine, an electric machine, a torque converter and a controller. The torque converter includes an impeller and receives power from the engine and electric machine. The controller, in response to an absence of driver demanded torque and a difference between desired and estimated impeller speeds, adjusts a torque of the electric machine based on a difference between an estimated engine torque and a desired impeller torque in order to drive the impeller toward the desired impeller speed.
Hybrid vehicle and method of controlling a hybrid vehicle powertrain
2017-01-24
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 |
Europäisches Patentamt | 2021
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