Multi-criteria risk analysis to improve safety in manufacturing systems

Abstract

The drive to lower operating costs and improve manufacturing efficiency has led many manufacturing companies to implement different methodologies in order to identify a suitable risk assessment model. So, the concern for safety in industrial activities, both inside the establishments and in their surroundings, has a crucial role. As a result, many laws, regulations and risk analysis techniques are well adapted to industry needs since they were developed for its purpose. However increasing safety is often difficult, especially when you have already obtained good results, so the aim of our paper is the proposal of a new methodological approach called the safety improve risk assessment (SIRA) by integrating the conventional aspects of the popular failure mode, effects, and criticality analysis (FMECA) procedure with economic considerations in order to take into account the risk and to minimise the total safety costs by defining a specific index called total risk priority number (TRPN) index. The index proposed is based on the improved risk priority number (IRPN) and the analytic network process (ANP), a multi-criteria decision-making technique.

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