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The paper contains an analysis of the safety level crossing equipped with an additional warning system for drivers that are within the level crossing before the approaching train. The proposed system is based on wireless data standard, WiMax and sensor networks WSN, placed an additional warning helps to improve safety at unguarded railway crossings. Mathematical analysis was carried out for unguarded...
The paper treats about efficiency analysis in Changeable Block Distance (CBD) System connected with wireless positioning and control of train. The analysis is based on modeling of typical ERTMS line and comparison with actual and future traffic. The calculations are related to assumed parameters of railway traffic corresponding to real time – table of distance Psary – Góra Włodowska from CMK line...
The paper deals with design problems of correct and high reliable software for railway traffic control systems. The correct software (corresponding to formal or semi-formal criteria) has an important part in safety related (SIL4) railway control systems. The paper treats about actual state of art in design of safety related software for railway application. The proposed methods, recommended by CENELEC...
The implementation of the open transmission standards to railway control systems requires the estimation of Tolerable Hazard Rate corresponding to EU standards. The transmission channel must satisfy the obligatory measures related to the assigned SIL level. Both cable and wireless transmission standards must be analysed corresponding to hardware failure rates in railway control devices. The paper...
The paper contains the safety analysis of the new generation of railway control systems designed with respect to new technologies: microcomputers connected via cable and wireless transmission networks. In the paper the THR and global safety criteria are introduced to designed, tested and exploited railway control systems. For one of the systems the verification of safety parameters was possible in...
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