Study on comprehensive evaluation method of mental workload level
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Shengyuan Yan
,
Kai Yao
Abstract
Mental workload has an important impact on the human performance of ship operators. The purpose of this study is to develop an evaluation method to evaluate the ship operator’s mental workload. First, an evaluation index system was constructed, and the DEMATEL (decision-making trial and evaluation laboratory) method was used to determine the relative weight of each index. Then, the fuzzy evaluation method was used to calculate the mental workload of ship operator based on the evaluation value and relative weight of indexes. The evaluation result of the developed method showed that the ship operators’ mental workload were 3.78 and 2.99 under tasks 1 and 2, and the ship operators’ mental workloads were at the ‘very high’ and ‘high’ levels based on the maximum membership principle. Also, the evaluation result of the developed method was consistent with the evaluation results of subjective mental workload assessment technique. It proves that the developed method can effectively evaluate the ship operator’s mental workload level.
Acknowledgments
Thanks to the reviewers for their valuable comments and suggestions.
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Research ethics: The study was conducted in accordance with the Declaration of Helsinki, and approved by the Institutional Review Board of Harbin engineering university.
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Author contributions: Conceptualization, S.Y., F.L. and K.Y.; methodology, S.Y., F.L.; validation, S.Y., F.L.,K.Y., and Y.W.; writing—original draft preparation, F.L.; supervision, S.Y. The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interest: The authors declare no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
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Articles in the same Issue
- Frontmatter
- Multilateral evaluation of the effects of utilizing thorium oxide in the Bushehr VVER-1000 reactor
- Comparison of modeling methods for the effective diffusivities of IO3− estimated in compacted bentonite using through-diffusion tests under aerobic conditions
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