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Abstract

With the development of urbanization, we can also easily find traffic tools are in gradually upgrade, however, there are more and more serious traffic problems, such as traffic jam phenomenon common occurance.And in dealing with all kinds of traffic, the traffic light control system play an important role in urban traffic control. The curriculum design is on the background of city traffic lights controling system, mainly by using learned knowledge of digital circuit design based traffic lights to complete basic functions, including time timing and traffic lights all kinds of transitions between states, and to realize traffic and stop time Settings. This design uses digital circuit simulation software; Multisim was carried out on the circuit design of the simulation and test, and whether the design is by observing the simulation results conform to requirements. Traffic light through state transition, command vehicles, pedestrians, ensures traffic safety, realize the intersection traffic management automation, and greatly guarantee the safety of the urban traffic.

Keywords£ºUrbanization traffic light state transition circuit simulation traffic safety.

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