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Multi-level Hierarchical Reliability Model of Technical Systems: Theory and Application

In: Advances in Reliability Analysis and its Applications

Author

Listed:
  • Igor Bolvashenkov

    (Institute of Energy Conversion Technology, Technical University of Munich (TUM))

  • Jörg Kammermann

    (Institute of Energy Conversion Technology, Technical University of Munich (TUM))

  • Ilia Frenkel

    (Center for Reliability and Risk Management, SCE—Shamoon College of Engineering)

  • Hans-Georg Herzog

    (Institute of Energy Conversion Technology, Technical University of Munich (TUM))

Abstract

This chapter describes an assessment methodology for various sustainability indicators of technical systems, such as reliability, availability, fault tolerance, and reliability associated cost of technical safety-critical systems, based on Multi-Level Hierarchical Reliability Model (MLHRM). As an application case of the proposed methodology, the various sustainability indicators of electric vehicle propulsion systems are considered and evaluated on the different levels of the hierarchical model. Taking into account that vehicle traction drive systems are safety-critical systems, the strict requirements on reliability indices are imposed to each of their components. The practical application of the proposed technique for reliability oriented development of electric propulsion system for the search-and-rescue helicopter and icebreaker LNG tanker and the results of computation are presented. The opportunities of improvement regarding reliability and fault tolerance of such technical systems are investigated. The results of the study, allowing creating highly reliable technical systems for the specified operating conditions and choosing the most appropriate system design, are discussed in detail.

Suggested Citation

  • Igor Bolvashenkov & Jörg Kammermann & Ilia Frenkel & Hans-Georg Herzog, 2020. "Multi-level Hierarchical Reliability Model of Technical Systems: Theory and Application," Springer Series in Reliability Engineering, in: Mangey Ram & Hoang Pham (ed.), Advances in Reliability Analysis and its Applications, pages 201-234, Springer.
    • Handle: RePEc:spr:ssrchp:978-3-030-31375-3_5
    DOI: 10.1007/978-3-030-31375-3_5
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