SSRA Method on Brake System of High-Speed Train CRH2

An efficient system reliability analysis method, synergism system reliability analysis (SSRA), is proposed for calculating the reliability of engineering structures. Synergism system adds synergistic gates in the system reliable block diagram. The synergism system analysis starts from elements' performances, and a synergistic gate is established as a relation from the concurrent elements' performances of engineering systems into the system's function. According the synergism system reliability analysis, the probability of the system successfully performs can be established. A traditional system reliability analysis method (SRA) can calculate the reliability of cascade system, parallel system, k/n(G) system, reserve system, but not the system of elements co-operating. SSRA can calculate the probability for system. of elements co-operating successfully. This paper describes SSRA method. Application on the determination of system reliability for a basic braking system of high-speed train (CRH2) has indicated availability of the present approach.