激光式车辆检测器在不同等级公路上的适用性

Usability of Laser Vehicle Detector for Pudong Highway and Ground Road

为推动交通数据采集技术在公路上的应用,完善数据采集手段,通过对激光式交调设备进行测试,分析该设备在不同等级公路上的适用性。数据分析结果表明激光式交调设备融合了地感线圈类和微波类交调设备的优点,安装调试简单,维护简便,能保证在极端天气影响下采集的数据的精度和完整性,适用于交通车流有序、变道情况少的高速公路和骨干道路,不适用于交通流向复杂、车辆变道情况较多的普通公路和支线公路。

The laser vehicle detector,as a new technology,is tested in order to decide whether it can be used in Pudong area and how.The analysis of collected test data shows that the laser detector can ensure the data accuracy and integrity disregard bad weather.It also exhibits the advantages of both the ground coil sensor and the microwave device:easiness in installation and maintenance.The laser detector is good for highways and backbone roads where traffic flow is basically in order except infrequent lane changes.For busy ground roads where the traffic flow is rather complicated,the detector of this type may not be a good choice.