Moving Train-Car Traffic Controller

Mohd Hayatulnizam, Mohd Nasir (2008) Moving Train-Car Traffic Controller. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project is to design and develop an intelligent system that automatically operates. The title of this project is "Moving Train-Car Traffic Controller." Basically, this system aids are PLC, limit -switch, relay and control-car. Limit switch (sensor) is an input for the PLC while traffic light, crossbar, relay and control .cars as the outputs (or the PLC. A sensor is fixed at the track and will transmit the signal to PLC when receives a signaL Generally, this system contains a roadw.ay,. road train, traffic light crossbar. When PLC gets a signal from the sensor, it will generate an output devices which are crossbar, traffic light and cars. When the main startbutton is pressed, the system will start to operate automatically, the cars, traffic light and train. The train is always moving around the track and it only stop when the·stop button is pressed. The cars a1so will always move until they get the signal to .stop movement. The cars in this project are Wireless control cars that using relays interfacing that get signals from roadway. Them cars on stop when the-traffic light turns to red and when the train is passed the roadway (crossbar closes). Then the .cars will continue moving when the traffic light turns to green or the crossbar open. For the traffic light operations, the sensor will detect the ·car and train when they arrives near by the cross road. When the sensor contact, it will give a signal to the PLC, so that the car can stopped if the traffic light is red. The output from PLC also will contact to the relay interface and give a signal to wireless control car.

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