PROBLEM TO BE SOLVED: To delay a reduction of a voltage value of a driving battery to an engine starting voltage and to delay timing from EV travel to engine starting during traveling in an electric travel mode after an EV priority switch is turned ON in a hybrid vehicle.SOLUTION: An electric travel mode release control part 43 releasing an electric travel mode and driving an engine, includes: a release part 51 switching from the electric travel mode to a hybrid travel mode when a voltage of a driving battery is reduced to a first predetermined value or less; and a release delay part 53 delaying a reduction thereof to the first predetermined value when the voltage of the driving battery is reduced to a second predetermined value higher than the first predetermined value. When the voltage of the driving battery is reduced to the second predetermined value, the release delay part 53 delays a voltage reduction of the driving battery by suppressing a current value to a predetermined current value.SELECTED DRAWING: Figure 3

    【課題】本発明の少なくとも一つの実施形態は、ハイブリッド車両において、EV優先スイッチがONされて電動走行モードでの走行中に、駆動用電池の電圧値がエンジン始動電圧へ低下するのを遅延させて、EV走行からエンジン始動へのタイミングを遅延させることを目的とする。【解決手段】電動走行モードを解除してエンジンを駆動する電動走行モード解除制御部43は、駆動用電池の電圧が第1所定値以下に低下したとき、電動走行モードからハイブリッド走行モードに切り替える解除部51と、駆動用電池の電圧が第1所定値より高い第2所定値まで低下したとき、第1所定値への低下を遅らせる解除遅延部53と、を有し、解除遅延部53は、駆動用電池の電圧が第2所定値まで低下したとき、電流値を所定電流値に抑制することで、駆動用電池の電圧低下を遅らせることを特徴とする。【選択図】図3


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    Title :

    HYBRID VEHICLE


    Additional title:

    ハイブリッド車両


    Contributors:
    MURASE MASAHIRO (author) / SAITO JUN (author)

    Publication date :

    2018-06-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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



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