A speed change control system for a hybrid vehicle comprised of a first motor-generator, a differential mechanism that distributes a power of an engine to the first motor-generator and to an output member and that changes an engine speed in accordance with a speed of the first motor-generator, and a second motor-generator that exchanges a torque with any of wheels. The speed change control system comprises: a first power control means that outputs a command for changing an engine power in a direction to expedite a change in an engine speed, at the beginning of a speed change for changing the engine speed stepwise; a first speed control means that continues controls of the first and the second motor-generators as before the speed change, during a period from a point at which the first power control means outputs the command for changing the engine power to a point at which a response delay of the engine elapses; a second speed control means that controls the first motor-generator in a manner such that the engine speed is changed in a direction to be changed by the change in the engine power, after a lapse of the response delay of the engine; and a second power control means that outputs a command for changing the engine power to a power to be achieved after the speed change, when the engine speed is changed substantially to a target speed to be achieved after the speed change.


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    Titel :

    Speed change control system and speed change control method for hybrid vehicle


    Beteiligte:

    Erscheinungsdatum :

    2017-05-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen



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