Data Acquisition and Fusion in the Monitoring and Controlling System of the Traffic

The paper simply illustrates the structure of the system's software and hardware,and introduces detailedly the mode of building networks of PLC,the process of plc acquiring data of the traffic,the technology of multi-sensor and information fusion.Finally,the process of communication between computer and PLC is presented.The automatic examination and control for the present traffic can be realized and one method for the automatic watching system is put forward.