To prevent deterioration in durability of a component due to conversion of a rotation speed of an engine or a rotation speed of a rotor into a high rotational state even when abnormal rise of a supercharging pressure occurs.SOLUTION: When it is diagnosed that there is a possibility that abnormality of a supercharger 18 occurs, since an allowable maximum rotation speed Nemax and an MG2 allowable maximum rotation speed Nmmax are each changed to low rotation speed sides, and operation points of an engine 12 and a second rotor MG2 are controlled so that an engine rotation speed Ne and an MG2 rotation speed Nm are within a range not exceeding the allowable maximum rotation speed Nmax after change, even when the supercharger 18 is not normally operated and abnormal rise of a supercharging pressure Pchg occurs, the engine rotation speed Ne and the MG2 rotation speed Nm are prevented from being put into a high rotational state. Therefore, even when the abnormal rise of the supercharging pressure Pchg occurs, deterioration in durability of a component can be prevented.SELECTED DRAWING: Figure 9

    【課題】過給圧の異常上昇が生じたとしても、エンジンの回転速度又は回転機の回転速度が高回転状態となることによる部品の耐久性低下を抑制する。【解決手段】過給機18の異常が発生する可能性があると診断された場合には、エンジン許容最大回転速度Nemax及びMG2許容最大回転速度Nmmaxがそれぞれ低回転速度側に変更されると共に、エンジン回転速度Ne及びMG2回転速度Nmがそれぞれの変更後の許容最大回転速度Nmaxを超えない範囲内にあるようにエンジン12及び第2回転機MG2のそれぞれの動作点が制御されるので、過給機18が正常に動作せず、過給圧Pchgの異常上昇が生じたとしても、エンジン回転速度Ne及びMG2回転速度Nmがそれぞれ高回転状態となることが抑制され得る。よって、過給圧Pchgの異常上昇が生じたとしても、部品の耐久性低下を抑制することができる。【選択図】図9


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    Title :

    CONTROL DEVICE OF HYBRID VEHICLE


    Additional title:

    ハイブリッド車両の制御装置


    Contributors:

    Publication date :

    2021-04-01


    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 / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen



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