PROBLEM TO BE SOLVED: To impart braking force to wheels so as to suppress deviation of a vehicle from a running lane while effectively suppressing destabilization of vehicle behavior by suppressing a slip of rear wheels in preference to a slip of front wheels.SOLUTION: A lane deviation suppression device (17) includes control means (172) for controlling braking means (122) so that suppression yaw moment capable of suppressing vehicle deviation from a running lane is imparted to the vehicle, and determination means (173) for determining whether or not a slip radio of the front wheels is larger than a first threshold (KSfr), and whether or not a slip ratio of the rear wheels is larger than a second threshold (KSrr), which is smaller than the first threshold. The control means controls braking means so that braking force imparted by the braking means is smaller than braking force that can impart suppression yaw moment when it is determined that the slip ratio of the front wheels is larger than the first threshold, and when it is determined that the slip ratio of the rear wheels is larger than the second threshold.SELECTED DRAWING: Figure 2

    【課題】前輪よりも後輪のスリップを優先的に抑制することで車両の挙動の不安定化を効果的に抑制しながら、走行車線からの車両の逸脱を抑制するように車輪に制動力を付与する。【解決手段】車線逸脱抑制装置(17)は、走行車線からの車両の逸脱を抑制可能な抑制ヨーモーメントが車両に付与されるように制動手段(122)を制御する制御手段(172)と、前輪のスリップ率が第1閾値(KSfr)より大きいか否か及び後輪のスリップ率が第1閾値よりも小さい第2閾値(KSrr)よりも大きいか否かを判定する判定手段(173)とを備え、制御手段は、前輪のスリップ率が第1閾値より大きいと判定された場合、及び、後輪のスリップ率が第2閾値より大きいと判定された場合に、制動手段が付与する制動力が抑制ヨーモーメントを付与可能な制動力より小さくなるように制動手段を制御する。【選択図】図2


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    Title :

    LANE DEVIATION SUPPRESSION DEVICE


    Additional title:

    車線逸脱抑制装置


    Contributors:

    Publication date :

    2018-02-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / 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 / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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