Research on traffic accident detection and alarm system based on CAN and RS485 bus
In order to solve the problems of untimely alarm of highway traffic accidents and high rate of second-ary accidents,a traffic accident automatic collection and alarm system is designed.This system is composed mainly of traffic accident collection network,RS485 sensing subnet,accident data frame protocol,accident col-lection relay and control node.The core function of the system is to communicate with the acquisition node in real time through the relay layer,and collect the status of the node timely to analyze the type of traffic accident and realize the signal light alarm.The test results show the system can accurately distinguish three kinds of in-formation,normal operation,node fault and bus fault,which prevents secondary accidents effectively.
NETL
NSTL
万方数据
