To provide a practical steer-by-wire steering system.SOLUTION: A steering system control apparatus 20 is capable of executing parallel processing of: main processing that includes processing in which a steering device 14 is caused to steer a wheel 12 in accordance with an operation of an operation member 16; and auxiliary processing that is auxiliary processing related to an operation of the steering system, and increases a ratio of executing the auxiliary processing while decreasing the ratio of executing the main processing under a condition that a vehicular travel speed is equal to or higher than a threshold speed. As the vehicular speed increases, force to steer the wheel may be smaller, and therefore a decrease in the ratio of executing the main processing does not create a substantial problem, and the ratio of executing the auxiliary processing can be increased as much as the decrease in the main processing, thus making it possible to enhance the auxiliary processing. It is possible to build a high-performance steering system while preventing a processing load of the control apparatus from becoming excessive.SELECTED DRAWING: Figure 1

    【課題】 実用的なステアバイワイヤ式の操舵システムを提供する【解決手段】 当該操舵システムの制御装置20が、操作部材16の操作に応じた車輪12の転舵を転舵装置14に実行させる処理を含む主処理と、当該操舵システムの作動に関連した補助的な処理である補助処理とを、並行して実行可能とされ、かつ、車両の走行速度が閾速度以上であることを条件として、主処理の実行比率を低め、補助処理の実行比率を高めるように構成される。主処理の実行比率および補助処理の実行比率を変更可能とする。車両の走行速度が高くなれば、車輪を転舵させる力が小さくて済むことから、主処理の実行比率を低めても、それ程の問題は生じず、低めた分だけ、補助処理の実行比率を高めることで、補助処理を充実させることができる。制御装置の処理負担が過大となることを防止しつつ、高性能な操舵システムを構築することが可能となる。【選択図】 図1


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    Titel :

    STEERING SYSTEM


    Weitere Titelangaben:

    操舵システム


    Beteiligte:
    SHIBATA KENJI (Autor:in) / OKANO TAKAHIRO (Autor:in) / YAMAGUCHI TAKENARI (Autor:in)

    Erscheinungsdatum :

    2019-10-31


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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