Estimating and ranking the impact of human error roots on power grid maintenance group based on a combination of mathematical expectation, Shannon entropy, and TOPSIS

Due to the importance of electrical grid reliability, analysis and evaluation of human error in the maintenance of electrical networks should be also considered seriously. The root causes of these errors must be identified and prioritized to plan for human error reduction. One of the objectives of t...

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Bibliographic Details
Published in:Quality and reliability engineering international 2021-12, Vol.37 (8), p.3673-3692
Main Authors: Tavakoli, Mehdi, Nafar, Mehdi
Format: Article
Language:English
Subjects:
Combinations (mathematics)
Electric power grids
Electrical networks
Electricity distribution
Entropy (Information theory)
Error analysis
Error reduction
Human error
Human factors
Maintenance
maintenance groups
Mathematical analysis
mathematical expectation
Personnel
Reliability analysis
Shannon entropy
TOPSIS
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Summary:Due to the importance of electrical grid reliability, analysis and evaluation of human error in the maintenance of electrical networks should be also considered seriously. The root causes of these errors must be identified and prioritized to plan for human error reduction. One of the objectives of the present study is to identify and predict these roots for power transmission maintenance groups from organizational, job position, communication, individual, and supervision aspects along with the relationships between these factors. In particular, this paper demonstrates that supervisor behavior as an external factor has a significant effect on maintenance personnel error. For this reason, special attention has been paid to identifying and controlling human factors from a supervisory point of view in this study. This paper also provides a method for detecting the extent of the expected influence of these roots on each personnel, since human error has a random nature. This is done based on the law of mathematical expectation. Finally, a method is suggested to rank roots based on greater effectiveness and evaluate personnel with higher error expectations. The proposed method is a combination of intermediate methods, Shannon entropy, and technique for order of preference by similarity to ideal solution (TOPSIS). The origins of the four human errors between 2014 and 2018 related to the two experts of Fars Electricity Maintenance Contractor Company are compared by the proposed method.
ISSN:0748-8017
1099-1638
DOI:10.1002/qre.2941