Keywords: level-crossing safety, evolutionary algorithms, embedded devices.

The purpose of the research, described in this paper, is to prevent crashes on levelcrossings and to develop a new wireless anti-collision system for railway and road vehicles based on embedded devices; in addition to existing wired and light signalization, and to existing braking systems of the trains. The research is based on the authors' previous scientific work researching intelligent railway device systems, which use satellite navigation systems, wireless communication networks and artificial intelligence. These have the possibility for machine-to-machine negotiation between each other and the coordination of their work to improve safety. The authors propose the research and development of a specific modular fitness function and an improved evolutionary algorithm for faster work in networks of embedded devices. The proposed system uses a satellite navigation system, embedded sensors and wireless communication. Mathematical models, algorithms and computer models are developed. The simulated results of the proposed level-crossing anticollision system show the possibility to avoid crashes, detect and warn about dangerous conflict points and react immediately. As a result of research the experimental prototype of the anti-collision device for safe passing of motor vehicle over level crossings, using satellite navigation systems, is created and tested. The device is supported by Patents WO/2013/013728, WO/2011/115466.

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