| 基于多雷达的超车预警系统设计 |
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| 引用本文： | 王灿,孙海燕,李沐锟,顾广亭,袁爽.基于多雷达的超车预警系统设计[J].农业装备与车辆工程,2020,58(5):111-114. |
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| 作者姓名： | 王灿 孙海燕 李沐锟 顾广亭 袁爽 |
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| 作者单位： | 211167 江苏省南京市 南京工程学院汽车与轨道交通学院;211167 江苏省南京市 南京工程学院汽车与轨道交通学院;211167 江苏省南京市 南京工程学院汽车与轨道交通学院;211167 江苏省南京市 南京工程学院汽车与轨道交通学院;211167 江苏省南京市 南京工程学院汽车与轨道交通学院 |
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| 基金项目： | 江苏省高等学校大学生创新创业训练计划项目“基于多传感器数据融合的汽车防碰撞预警系统”(201811276042Y)。 |
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| 摘 要： | 为减少超车过程中频发的刮擦、追尾事故,设计了一种可以向驾驶员预先发出视听警告的检测系统,并建立安全距离模型。该系统采用激光雷达和毫米波雷达作为探测元件,测出超车车辆周围车辆的车速、车间距等。中央处理单元对其进行预处理,判定超车场景,进而针对不同的超车场景,结合运动学模型作进一步分析计算,当车辆间的纵向距离始终大于或者等于临界值,则判断为可超车,否则预警功能开启,警示驾驶员中止当前的超车行为。
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| 关 键 词： | 激光雷达 毫米波雷达 安全距离模型 预警 |
Design of Early Overtaking Warning System Based on Multi-Radar |
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| Wang Can,Sun Haiyan,Li Mukun,Gu Guangting,Yuan Shuang.Design of Early Overtaking Warning System Based on Multi-Radar[J].Agricultural Equipment & Vehicle Engineering,2020,58(5):111-114. |
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| Authors: | Wang Can Sun Haiyan Li Mukun Gu Guangting Yuan Shuang |
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| Institution: | (School of Automotive&Rail Transit,Nanjing Institute of Technology,Nanjing City,Jiangsu Province 211100,China) |
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| Abstract: | In order to reduce frequent scraping and rear-end collision in overtaking process,a detection device which can send audio-visual warning to driver in advance is designed.The safe range model is established and the laser radar and millimeter wave radar are used as detection elements to measure the speed and distance of the vehicles around the overtaking vehicle.The CPU pre-processes it,judging overtaking scene,furthermore,according to different overtaking scenarios,conducts further analysis and calculation combined with kinematic model.If the longitudinal distance between vehicles is always greater than or equal to the critical value,then it is judged to be able to overtake,otherwise the early warning function is turned on to warn the driver to stop the current overtaking. |
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| Keywords: | lidar millimeter wave radar safe range model early warning |
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