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1 Journal of Polish Safety and Reliability Association

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Integrated Impact Model on Critical Infrastructure Safety Related to Climate-Weather Change Process Including Extreme Weather Hazards

Kołowrocki K., Soszyńska-Budny J., Torbicki M.

Journal of Polish Safety and Reliability Association

2017

Vol. 8, No. 4

21--32

In the paper a general safety analytical model of complex technical system related to the climateweather change process in its operating area is defined. First, the system operation at climate-weather variable conditions is given. Additionally, the semi-Markov approach is used. Further, the safety model of the multistate system at climate-weather variable conditions is introduced. The notions of the conditional safety functions at the climate-weather particular states, the unconditional safety function and the risk function of the complex system at changing in time climate-weather conditions are presented. The other safety indices like mean lifetime up to the exceeding a critical safety state, the moment when the risk function value exceeds the acceptable safety level, the intensities of ageing of the critical infrastructure and its components and the coefficients of the climate-weather impact on the critical infrastructure and its components intensities of ageing are defined.