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Risk Management Qualitatively on Railway Signal System

Ya-dong Zhang/Jin Guo
International Journal of Railway, vol. 2, no. 3, pp.113-117, 2009

Abstract : Risk management is an important part of system assurance and it is widely used in safety-related system. Railway signal system is one kind of safety-related system and its most important goal is to guarantee the safety of railway system. The method based on risk management can find and solve the security issues of railway signal system more effectively. This paper introduces the basic conception of risk management, studies the whole process of risk management and related tools and techniques and discusses some key points qualitatively combining with the particularity of railway signal system.

Keyword : Safety, Risk, Hazard, System lifecycle, Risk management, Railway signal system