PLC在交通畅通工程中的应用设计.doc

control command system, the most important component of.

ease traffic flow, increase road capacity and reduce traffic accidents have a

demonstrable effect. In order to achieve traffic management, and strive to advanced

traffic management, and scientific. Programmable controller for traffic control,

control system, and system hardware and software design methods, experiments show

that the system implements a simple, economic, and can effectively ease traffic,

improve traffic junction Capacity. Analysis of modern urban traffic control and

management of the status quo, combined with the actual situation of the traffic

described traffic control system works, gives a simple and practical urban traffic light