To enable a driver to respond to deceleration operation for preventing a rear-end collision, without being surprised and with sufficient time, even when deceleration control is automatically actuated in such a situation that it is not possible to recognize a rearmost vehicle in congestion occurring on a traveling path with a poor view.SOLUTION: On the basis of congestion information from a congestion information receiver 32, it is checked whether or not congestion is occurring within a prescribed distance on a target traveling path ahead of an own vehicle M (S11). If the congestion is occurring, and a rearmost vehicle Pe of the congestion line of vehicles is not captured by a camera unit 21 (S14), a distance Le from the own vehicle M to the rearmost vehicle Pe of the congestion line of the vehicles is divided by a relative vehicle speed between the rearmost vehicle Pe and the own vehicle M to obtain deceleration start time td, and allowance time ta is added to it to calculate warning start time tw (S18). When the warning start time tw is reached, a warning device 31 is actuated to notify a driver of deceleration start timing before the actuation of a brake.SELECTED DRAWING: Figure 3
【課題】見通しの悪い進行路において発生している渋滞の最後尾車両を認識することができない状況で、減速制御が自動的に作動する場合であっても、運転者を驚かせることがなく、余裕を持って追突防止ための減速動作に対応できるようにする。【解決手段】渋滞情報受信機32からの渋滞情報に基づき、自車両M前方の目標進行路上の所定距離以内に渋滞が発生しているか否かを調べ(S11)、渋滞が発生しており且つカメラユニット21で渋滞車列の最後尾車両Peが補足されていない場合(S14)、自車両Mから渋滞車列の最後尾車両Peまでの道のり距離Leを最後尾車両Peと自車両Mとの相対車速で除算して減速開始時刻tdを求め、これに余裕時刻taを加算して警報開始時刻twを算出し(S18)。警報開始時刻twに達したとき、警報装置31を作動させて、ブレーキ作動前に運転者に減速開始タイミングを報知する。【選択図】図3
PRE-CONGESTION DECELERATION NOTIFICATION APPARATUS
渋滞前減速報知装置
2019-06-24
Patent
Electronic Resource
Japanese
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 / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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