Controlling of the switch heaters and lighting systems in the South Balaton railway line's KÖFI system

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Katona László Dr.
Department of Control Engineering and Information Technology

For today's modern train service, besides the greater security, the higher top speed, faster traffic, reliability, accuracy and, endurance of smooth travel and freight transportation are important requirements. In addition, there is growing emphasis on energy saving as well. These requirements make the train service to become such a system that can monitor and control the whole traffic system from a single control room. This centralized control scheme fills the communication gaps of the old methods; therefore intervention can be made straight and real-time even in unexpected situations.

From such remote control- and supervisor centers can such secondary systems be controlled that has no direct effect on the traffic, however being almost as important part of the system as the others. For example, in winter the transport would be unimaginable without heating of derailleur or the night traffic without lighting of the railway stations and stops. Quick detection of the malfunctions of these executors can be prevent or solve the caused problems in time. Without remote control automatic run must prove the appropriate work in the interest of power saving.

During the semester of the thesis I studied the Hungarian traffic control system, took part in the planning of the derailleur heater and lighting control system architecture, and learned the applied communication protocols. The PLC program of the derailleur heater and lighting control and communication between the sub-units were implemented, moreover, the preparation of communication with the higher level control is done as well. In the laboratory of the department I built a configurable sample platform and tested the implemented program on it.


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