A novel approach for failure mode and effects analysis using combination weighting and fuzzy VIKOR method |
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| Affiliation: | 1. School of Management, Shanghai University, Shanghai 200444, PR China;2. School of Economics and Management, Tongji University, Shanghai 200092, PR China;1. School of Industrial Engineering, College of Engineering, University of Tehran, Tehran, Iran;2. Faculty of Management and Accounting, Qazvin Branch, Islamic Azad University, Qazvin, Iran;1. School of Management, Shanghai University, Shanghai 200444, PR China;2. School of Economics and Management, Tongji University, Shanghai 200092, PR China;1. School of Management, Shanghai University, 99 Shangda Road, Shanghai 200444, PR China;2. Shanghai Pudong New Area Zhoupu Hospital, No. 135 Guanyue Road, Shanghai 201318, PR China;3. East Hospital Affiliated to Tongji University, No. 150 Jimo Road, Shanghai 200120, PR China;1. School of Business, Central South University, Changsha 410083, PR China;2. School of Business, Hunan University, Changsha 410082, PR China;1. School of Management, Shanghai University, Shanghai 200444, PR China;2. School of Economics and Management, Tongji University, Shanghai 200092, PR China;3. School of Management, Xiamen University, Xiamen 361005, PR China |
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| Abstract: | Failure mode and effects analysis (FMEA) is one of the most popular reliability analysis tools for identifying, assessing and eliminating potential failure modes in a wide range of industries. In general, failure modes in FMEA are evaluated and ranked through the risk priority number (RPN), which is obtained by the multiplication of crisp values of the risk factors, such as the occurrence (O), severity (S), and detection (D) of each failure mode. However, the conventional RPN method has been considerably criticized for various reasons. To deal with the uncertainty and vagueness from humans’ subjective perception and experience in risk evaluation process, this paper presents a novel approach for FMEA based on combination weighting and fuzzy VIKOR method. Integration of fuzzy analytic hierarchy process (AHP) and entropy method is applied for risk factor weighting in this proposed approach. The risk priorities of the identified failure modes are obtained through next steps based on fuzzy VIKOR method. To demonstrate its potential applications, the new fuzzy FMEA is used for analyzing the risk of general anesthesia process. Finally, a sensitivity analysis is carried out to verify the robustness of the risk ranking and a comparison analysis is conducted to show the advantages of the proposed FMEA approach. |
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| Keywords: | Failure mode and effects analysis Fuzzy AHP Entropy Fuzzy VIKOR |
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