To predict an occurrence of congestion and estimate a traveling environment of a vehicle when probe information cannot be obtained.SOLUTION: A traveling environment estimation method is a method of detecting a surrounding environment of an own vehicle and estimating a traveling environment based on the detected information of the surrounding environment. In the case that an adjacent lane adjacent to an own vehicle traveling lane exists, the traveling environment estimation method estimates that the possibility of an occurrence of congestion on the own traveling lane ahead of the own vehicle is higher when lane change of a leading vehicle traveling in the own vehicle traveling lane to the adjacent lane is detected and it is determined that a speed of an immediately leading vehicle traveling immediately in front of the own vehicle is lower than a predetermined threshold speed than when lane change is not detected and it is not determined that the speed of the immediately leading vehicle is lower than the predetermined threshold speed.SELECTED DRAWING: Figure 2
【課題】プローブ情報を得られない場合において、渋滞の発生を予測し、車両の走行環境を推定する。【解決手段】自車の周辺環境を検出し、検出された周辺環境の情報に基づいて走行環境を推定する方法であって、自車走行車線に対して隣接する隣接車線が存在する場合に、自車走行車線を走行する先行車の隣接車線への車線変更が検出され、かつ、自車の直前を走行する直前先行車の速度が予め定められた所定の閾値速度を下回ると判断される場合には、該検出及び該判断がされない場合よりも、自車前方の自車走行車線上における渋滞発生の可能性が高いと推定する走行環境推定方法。【選択図】図2
VEHICLE TRAVELING ENVIRONMENT ESTIMATION METHOD AND TRAVELING ENVIRONMENT ESTIMATION SYSTEM
車両の走行環境推定方法、及び、走行環境推定システム
2021-06-24
Patent
Electronic Resource
Japanese
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