To provide a travel state determination device capable of appropriately determining whether or not an avoidance operation to avoid a rear vehicle has to be performed.SOLUTION: A travel state determination device includes: an own vehicle travel information acquisition section for acquiring own vehicle travel information including a travel speed of an own vehicle; a rear vehicle travel information acquisition section for confirming presence/absence of a rear vehicle traveling behind the own vehicle in a rear predetermined range of the own vehicle, so as to acquire vehicle travel information of the rear vehicle when the rear vehicle exists; and a relative travel state determination section for determining whether or not an avoidance operation to avoid the rear vehicle is to be recommended based on own vehicle travel information and rear vehicle travel information. When the rear vehicle travel information acquisition section confirms existence of a rear vehicle and also when a relative travel speed being a difference between a travel speed of the rear vehicle and a travel speed of the own vehicle is equal to or more than a first threshold or an amount of a change of the relative travel speed is equal to or more than a second threshold, the relative travel state determination section determines that an avoidance operation is to be recommended.SELECTED DRAWING: Figure 1

    【課題】後方車両を回避する回避動作を行うべきか否かを適切に判断することができる走行状態判定装置を提供する。【解決手段】走行状態判定装置は、自車両の走行速度を含む自車両走行情報を取得する自車両走行情報取得部と、自車両の後方の所定範囲における自車両の後方を走行する後方車両の有無を確認し、後方車両がある場合には後方車両の車両走行情報を取得する後方車両走行情報取得部と、自車両走行情報と後方車両走行情報に基づいて後方車両を回避する回避動作が推奨されるか否かを判定する相対走行状態判定部と、を備え、相対走行状態判定部は、後方車両走行情報取得部により後方車両が有ることが確認され、かつ、後方車両の走行速度と自車両の走行速度との差である相対走行速度が第1閾値以上かまたは相対走行速度の変化量が第2閾値以上である場合に、回避動作が推奨されると判定する。【選択図】図1


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    Title :

    TRAVEL STATE DETERMINATION DEVICE, DRIVING SUPPORT DEVICE, TRAVEL STATE DETERMINATION METHOD, AND PROGRAM


    Additional title:

    走行状態判定装置、運転支援装置、走行状態判定方法及びプログラム


    Contributors:

    Publication date :

    2020-08-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / 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



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