An apparatus that both prevents excessive engine speed and satisfies a driver's requested drive torque. A control apparatus provides torque control to a hybrid electric vehicle and uses a calculated engine speed final target, and engine speed temporary target, which may not exceed an upper limit. In addition the control recalculates an engine operating point target based on the calculated engine speed final target and calculates an engine power final target based on the recalculated engine operating point target. An electrical power target is calculated based on the calculated engine power final target. Engine torque is controlled based on the calculated engine operating point target (especially the engine torque final target). In addition, motor generators are controlled to operate in power running mode or regenerating mode, based on the calculated engine operating point target and electrical power target.
Drive control apparatus and method for providing a drive control to a hybrid electric vehicle, and hybrid electric vehicle
2015-12-29
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 / F16H Getriebe , GEARING / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |
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