Abstract
In 2006 Siemens Transportation systems had to obtain an operating license for the brake system of a newly developed train. Therefore a safety analysis for the brake system had to be performed to show that the probability of a failure of the brakes is sufficiently small, less than specified limits. The safety analysis was performed by Siemens Corporate Technology. The probability of a failure of the brake system was calculated using hierarchical fault tree analysis. The large number of different combinations of subsystems contributing to failure scenarios was managed by a specially developed program for automatic generation of combinatorial fault trees. The most important result was the proof of the quantitative safety targets of the brake system to the regulating body.
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References
DIN 25424 Fehlerbaumanalyse (Fault Tree Analysis), German Industry Standard (Part 1 & 2) Beuth Verlag, Berlin (1981/1990)
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Heilmann, R., Rothbauer, S., Sutor, A. (2007). Component Fault Tree Analysis Resolves Complexity: Dependability Confirmation for a Railway Brake System. In: Saglietti, F., Oster, N. (eds) Computer Safety, Reliability, and Security. SAFECOMP 2007. Lecture Notes in Computer Science, vol 4680. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-75101-4_11
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DOI: https://doi.org/10.1007/978-3-540-75101-4_11
Publisher Name: Springer, Berlin, Heidelberg
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