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Investigating the causal relationships among failure modes, effects and causes: a system dynamics approach

Fatemeh Shaker (Department of Management, University of Isfahan, Isfahan, Iran)
Arash Shahin (Department of Management, University of Isfahan, Isfahan, Iran)
Saeed Jahanyan (Department of Management, University of Isfahan, Isfahan, Iran)

International Journal of Quality & Reliability Management

ISSN: 0265-671X

Article publication date: 23 August 2021

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Abstract

Purpose

This paper aims to develop a system dynamics (SD) model to identify causal relationships among the elements of failure modes and effects analysis (FMEA), i.e. failure modes, effects and causes.

Design/methodology/approach

A causal loop diagram (CLD) has been developed based on the results obtained from interdependencies and correlations analysis among the FMEA elements through applying the integrated approach of FMEA-quality function deployment (QFD) developed by Shaker et al. (2019). The proposed model was examined in a steel manufacturing company to identify and model the causes and effects relationships among failure modes, effects and causes of a roller-transmission system.

Findings

Findings indicated interactions among the most significant failure modes, effects and causes. Moreover, corrective actions defined to eliminate or relieve critical failure causes. Consequently, production costs decreased, and the production rate increased due to eliminated/decreased failure modes.

Practical implications

The application of CLD illustrates causal relationships among FMEA elements in a more effective way and results in a more precise recognition of the root causes of the potential failure modes and their easy elimination/decrease. Therefore, applying the proposed approach leads to a better analysis of the interactions among FMEA elements, decreased system's failure rate and increased system availability.

Originality/value

The literature review indicated a few studies on the application of SD methodology in the maintenance area, and no study was performed on the causal interactions among FMEA elements through an FMEA-QFD based SD approach. Although the interactions of these elements are significant and helpful in risks ranking, researchers fail to investigate them sufficiently.

Keywords

Citation

Shaker, F., Shahin, A. and Jahanyan, S. (2021), "Investigating the causal relationships among failure modes, effects and causes: a system dynamics approach", International Journal of Quality & Reliability Management, Vol. ahead-of-print No. ahead-of-print. https://doi.org/10.1108/IJQRM-07-2020-0247

Publisher

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Emerald Publishing Limited

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