PROBLEM TO BE SOLVED: To provide a collision prediction time calculation device capable of calculating appropriate collision prediction time in response to a situation between an own vehicle and a target object.SOLUTION: A collision prediction time calculation device (1) comprising: a distance acquisition unit (3) acquiring a distance X from an own vehicle (101) to a target object; a relative velocity acquisition unit (3) acquiring a relative velocity V of the target object; a relative acceleration acquisition unit (3) acquiring a relative acceleration β of the target object; and a collision prediction time calculation unit (5) calculating collision prediction time t taken until the own vehicle collides against the target object, the collision prediction time calculation unit (5) calculating the collision prediction time t on the basis of the distance X and the relative velocity V when the own vehicle (101) accelerates and calculating the collision prediction time t on the basis of the distance X, the relative velocity V, and the relative acceleration β when the own vehicle (101) decelerates.SELECTED DRAWING: Figure 1
【課題】自車両と対象物との状況に応じて適切な衝突予想時間を算出できる衝突予想時間算出装置を提供すること。【解決手段】自車両(101)から対象物までの距離Xを取得する距離取得ユニット(3)と、前記対象物の相対速度Vを取得する相対速度取得ユニット(3)と、前記対象物の相対加速度βを取得する相対加速度取得ユニット(3)と、前記自車両が前記対象物に衝突するまでの衝突予想時間tを算出する衝突予想時間算出ユニット(5)と、を備え、前記衝突予想時間算出ユニット(5)は、前記自車両が加速しているときには、前記衝突予想時間tを前記距離Xと前記相対速度Vとに基づき算出し、前記自車両が減速しているときには、前記衝突予想時間tを前記距離Xと前記相対速度Vと前記相対加速度βとに基づき算出することを特徴とする衝突予想時間算出装置(1)。【選択図】図1
COLLISION PREDICTION TIME CALCULATION DEVICE
衝突予想時間算出装置
2016-03-17
Patent
Electronic Resource
Japanese
PREDICTED-COLLISION-TIME CALCULATION DEVICE, AND PREDICTED-COLLISION-TIME CALCULATION METHOD
European Patent Office | 2016
|European Patent Office | 2020
|TIME-TO-COLLISION CALCULATION DEVICE AND COLLISION AVOIDANCE SYSTEM
European Patent Office | 2016
|European Patent Office | 2018
|European Patent Office | 2022
|