Redundancy schemes for engineering coherent systems via a signature-based approach

TL;DR

This paper introduces a signature-based method for optimizing redundancy schemes in complex engineering systems with dependent and heterogeneous component lifetimes, improving reliability analysis and allocation strategies.

Contribution

It presents a novel signature-based approach that handles dependent component lifetimes for redundancy allocation, extending beyond independent cases.

Findings

The approach simplifies redundancy analysis for dependent components.

Illustrative examples demonstrate practical applicability.

Method is suitable for complex engineering systems.

Abstract

This paper proposes a signature-based approach for solving redundancy allocation problems when component lifetimes are not only heterogeneous but also dependent. The two common schemes for allocations, that is active and standby redundancies, are considered. If the component lifetimes are independent, the proposed approach leads to simple manipulations. Various illustrative examples are also analysed. This method can be implemented for practical complex engineering systems.