Abstract
This chapter introduces the safety analysis method of train control systems, including qualitative analysis methods, quantitative analysis methods, and STPA (System-Theoretic Process Analysis). The qualitative method introduces safety checklist analysis, preliminary hazard analysis (PHA), failure mode and effect analysis (FMEA), and hazard and operability analysis (HAZOP); quantitative analysis method introduces the fault tree analysis (FTA), event tree analysis (ETA), and stochastic Petri net analysis. Finally, a causality model based on the system theory is described, that is, STAMP (Systems-Theoretic Accident Modeling and Processes), and a new approach based on STAMP to hazard analysis is described, called STPA.
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