#6782. Resilience efficiency importance measure for the selection of a component maintenance strategy to improve system performance recovery

December 2026publication date
Proposal available till 26-05-2025
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Journal’s subject area:
Safety, Risk, Reliability and Quality;
Industrial and Manufacturing Engineering;
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Abstract:
To rapidly recover system performance after a failure event, a maintenance strategy is often determined to guide the repair of failed components. Due to the differences and interdependence between components, different maintenance sequences can lead to significant differences in the efficiency of system performance recovery. Hence, this paper analyzes a component maintenance strategy for the efficient recovery of system performance. First, two importance measures are proposed, namely the resilience efficiency importance measure (REIM) and the maintenance efficiency measure (MEM). The REIM measures the impact of the individual repair of a failed component on the efficiency of system performance recovery, and the MEM evaluates the repair efficiencies of different maintenance strategies. Both measures are used simultaneously to identify the importance of components for maintenance and guide the selection of maintenance sequences. The measures are then used to compare the maintenance efficiencies of different strategies, and the maintenance strategy that can accomplish the optimal overall efficiency of system performance recovery throughout the whole repair process is ultimately selected. Finally, the application of the proposed recovery process analysis method to a horizontal subsea Christmas tree system verifies its performance.
Keywords:
Importance measure; Maintenance strategy; Reliability; System resilience

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