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Efficient Reliability Block Diagram Evaluation Through Improved Algorithms and Parallel Computing
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DOI：10.3390/app152111397.png)
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摘要
En 中文
Quantitative reliability evaluation is essential for optimizing control policies and maintenance strategies in complex industrial systems. While Reliability Block Diagrams (RBDs) are a natural formalism for modeling these hierarchical systems, modern applications require highly efficient, online reliability assessment on resource-constrained embedded hardware. This demand presents two fundamental challenges: developing algorithmically efficient RBD evaluation methods that can handle diverse custom distributions while preserving numerical accuracy, and ensuring platform-agnostic performance across diverse multicore architectures. This paper investigates these issues by developing a new version of the librbd open-source RBD library. This version includes advances in efficiency of evaluation algorithms, as well as restructured computation sequences, cache-aware data structures to minimize memory overhead, and an adaptive parallelization framework that scales automatically from embedded processors to high-performance systems. Comprehensive validation demonstrates that these advances significantly reduce computational complexity and improve performance over the original implementation, enabling real-time analysis of substantially larger systems.
Keyword:
reliability block diagrams (RBD)
symmetric multi-processing (SMP)
single instruction-multiple data (SIMD)
reliability curve
reliability evaluation
software libraries
期刊
A
IF:
2.5
论文数:
7.6K
被引数:
4
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引用论文
PyRBD: An Open-Source Reliability Block Diagram Evaluation Tool.png)
2024 IEEE International Workshop Technical Committee on Communications Quality and Reliability (CQR)
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