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Evaluating Protection for External Factors in Multi-State Systems

Volume 14, Number 3, March 2018, pp. 579-584
DOI: 10.23940/ijpe.18.03.p19.579584

Hongyan Dui

School of Management Engineering, Zhengzhou University, Zhengzhou, 450001, China

(Submitted on November 19, 2017; First revised on November 23, 2017; Second revised on December 8, 2017; Accepted on December 14, 2017)


An external factor is an added condition beyond the normal load of the system affecting the system’s success. Each external factor has an influence on system components, which may lead to system failure. To decrease the effects of different states of the external factors on system components, multistate protections are established to protect the components from the effects of the external factors. The protection states are dependent on the external factor state. When a protection is at different states, the protection may be damaged. In this paper, considering the joint effect of the external factors and protections on system components, a measure of states of the protections on the system reliability is introduced to identify which protection level has the most important influence on the system success. Based on the importance values of different protections, appropriate actions can be applied in system components to improve the system protection and reliability and reduce the effects of external factors. At last, an example of a computer server system is used to demonstrate the proposed method.


References: 10

  1. W. Di, X. Hui, and P. Rui, “Object defense with preventive strike and false targets”, Reliability Engineering & System Safety, vol. 169, pp. 76-80, 2018.
  2. H. Dui, L. Chen, and S. Wu, “Generalized integrated importance measure for system performance evaluation: application to a propeller plane system”, Eksploatacja i Niezawodnosc-Maintenance and Reliability, vol. 19, pp. 279-286, 2017.
  3. H. Dui, S. Si, S. Wu, and C. M. Yam Richard, “An importance measure for multistate systems with external factors,” Reliability Engineering and System Safety, vol. 167, pp. 49-57, 2017.
  4. K. Hausken, and G. Levitin, "Review of systems defense and attack models", International Journal of Performability Engineering, vol. 8, no. 4, pp. 355-366, 2012
  5. G. Levitin, H. Ben-Haim, “Importance of protections against intentional attacks”, Reliability Engineering & System Safety, vol. 93, pp. 639-646, 2008.
  6. R. Peng, Q. Zhai, L. Xing, and J. Yang, “Reliability of 1-out-of-(n+1) Warm Standby Systems Subject to Fault Level Coverage”, International Journal of Performability Engineering, vol. 9, no. 1, pp.117-120, 2013.
  7. S. Si, H. Dui, Z. Cai, and S. Sun. “A novel importance measure for external factors based on system performance,” International Journal of Performability Engineering, vol. 8, no. 4, pp. 447-450, 2012.
  8. G. N. Taranto, T. M. L. Assis, D. M. Falcao, R. C. de Carvalho, “Highlighting the importance of chronology on voltage protection and control in active distribution networks”, IEEE Transactions on Power Delivery, vol. 32, pp. 361-369, 2017.
  9. L. Xing, G. Levitin, “Balancing theft and corruption threats by data partition in cloud system with independent server protection,” Reliability Engineering & System Safety, vol. 167, pp. 248-254, 2017.
  10. Q. Zhai, Z. S. Ye, R. Peng, and W. Wang, “Defense and attack of performance-sharing common bus systems”, European Journal of Operational Research, vol. 256, pp. 962-975, 2016.


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