PROBLEM TO BE SOLVED: To provide a vehicle arrival time prediction apparatus capable of predicting a time when a target vehicle reaches a vehicle detector on a lane so that correctness of a vehicle detection signal from a vehicle detector can be accurately determined.SOLUTION: A vehicle arrival time prediction device 20B has: an approach speed detector 21 for detecting an approach speed of a vehicle A at an approach detection position D1 of a lane L; an acceleration/deceleration characteristic calculating section (control unit) for calculating an acceleration/deceleration characteristic for stopping the vehicle A most quickly at a toll collection position D2 in the lane L where the vehicle A approaches at the detected approach speed; and an arrival prediction time calculation section (control unit) for calculating an arrival prediction time at which the vehicle A reaches a predetermined prediction target position (discontinuity detection position D3) regulated between the approach detection position and the toll collection position D2 on the basis of the calculated acceleration/deceleration characteristic.SELECTED DRAWING: Figure 1
【課題】車両検知器からの車両検知信号の正否を正しく判断できるように、対象とする車両が車線上の車両検知器に到達する時刻を予測可能な車両到達時刻予測装置を提供する。【解決手段】車両到達時刻予測装置20Bは、車線Lの進入検知位置D1における車両Aの進入速度を検出する進入速度検出器21と、当該進入速度で進入した車両Aが、車線Lにおける料金収受位置D2で最も早く停止するための加減速特性を演算する加減速特性演算部(制御ユニット)と、算出された加減速特性に基づいて、車両Aが進入検知位置と料金収受位置D2との間に規定された所定の予測対象位置(打切検知位置D3)に到達する到達予想時刻を演算する到達予想時刻演算部(制御ユニット)と、を備えている。【選択図】図1
VEHICLE ARRIVAL TIME PREDICTION APPARATUS, VEHICLE TYPE DISCRIMINATION APPARATUS, VEHICLE ARRIVAL TIME PREDICTION METHOD AND PROGRAM
車両到達時刻予測装置、車種判別装置、車両到達時刻予測方法及びプログラム
2018-08-16
Patent
Electronic Resource
Japanese
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