The invention discloses an expressway dangerous vehicle distance early warning system based on a geomagnetic detector. The system comprises a first section detection system, a second detection sectiondetection system, a data transmission system, a data processing system, a controller and an early warning information display system. The invention further discloses an expressway dangerous vehicle distance early warning method based on the system, which comprises the following steps: obtaining vehicle data through the geomagnetic detector, calculating the vehicle distance between two adjacent vehicles, judging whether the vehicle distance meets the requirement of the safe vehicle distance or not, and if not, sending early warning information to prompt a driver to decelerate. According to theinvention, the geomagnetic detector is adopted to obtain vehicle data, the vehicle distance between the front and rear adjacent vehicles can be calculated through a simple formula, the required equipment is relatively concise, the algorithm is simple, the operation is reliable, and the detection result is not easily influenced by weather; geomagnetic equipment is convenient to maintain, and influences on normal passing of vehicles are small.
本发明公开了一种基于地磁检测器的高速公路危险车距预警系统,包括第一断面检测系统、第二检测断面检测系统、数据传输系统、数据处理系统、控制器和预警信息显示系统。本发明还公开了一种基于上述系统的高速公路危险车距预警方法,包括通过地磁检测器获取车辆数据后计算出相邻两车的车距,从而判断车距是否符合安全车距的要求,如果不符合则发出预警信息提示驾驶员减速。本发明采用地磁检测器来获取车辆数据,通过简单的公式即可计算出前后相邻车辆的车距,所需设备较为简洁、算法简单、运行可靠,检测结果不易受天气影响;地磁设备维护方便,对车辆正常通行的影响较小。
Highway dangerous vehicle distance early warning system and method based on geomagnetic detector
一种基于地磁检测器的高速公路危险车距预警系统及方法
2021-01-05
Patent
Electronic Resource
Chinese
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