摘要
基于环形线圈车辆检测器基本的工作原理,针对传统的采用倍频技术的检测产品灵敏度不高的缺点,提出全新的采用周期整定技术的感应式车辆检测器设计原理,在确保检测精度的情况下,提高了系统的稳定性。完成了车辆检测卡的软硬件设计,并详细描述了该检测卡的构成及软硬件实现。设计了一种基于车辆检测器提供的车辆等待长度信息的,相序可变的单路口多相位交通信号灯全感应控制策略,实际应用表明该全感应控制算法十分有效。
Aimed at drawback of low sensitivity of frequency divided method used in traditional vehicle detector,we present a novel inductive vehicle detector design method based on the basic operating principle of loop coil vehicle detector. Systematic stability is improved and accuracy is guaranteed.The design of hardware and software of this detecting card is implemented and described in detail. A single-intersection-multiple-phase all-traffic-responsive signal control strategy with phase sequencer is given based o...
出处
《自动化博览》
2008年第3期86-88,共3页
Automation Panorama1
基金
国家863计划项目(2007AA11Z216)
