Vulnerability assessment of hydrogen stations based on cloud center of gravity theory

Zhang, Jixin; Lang, Xiaosong; Jing, Y. P.; Kang, Jian; You, Qiuju; Shang, Zhenfeng; Shi, Minghao; Dai, Haoyuan

doi:10.1016/j.ijhydene.2023.05.295

Cited by 4 publications

(2 citation statements)

References 21 publications

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“…By combining the number of improved weight vectors to determine the indicator weights, Chinese researchers were able to create the COWA algorithm, which was based on the ordered weighted averaging (OWA) algorithm proposed by Professor Yager [16] in the United States. The COWA algorithm is calculated as follows [17,18]:…”

Section: Cowa Algorithm For Calculating Weightmentioning

confidence: 99%

Extension Cloud Model and Grey Clustering Evaluation of Enterprise Safety Management System: Based on COWA-CRITIC Combination Weighting

Duan,

Li,

Jiang

et al. 2023

Sustainability

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In order to address the issues of unclear risk grading control, lack of safety management, and hidden danger investigation and management processes, this paper used a mining enterprise as the backdrop for an engineering example. The “evaluation model of the overall construction level of the enterprise safety management system” is constructed from four aspects: “preliminary infrastructure”, “risk grading and control”, “hidden danger investigation and management processes”, and “Post-support work”. The safety evaluation level is divided into five levels, and the evaluation model is combined weighted by using the combined ordered weighted averaging (COWA) algorithm and the criteria importance through intercriteria correlation (CRITIC) method. In addition, the cloud model, the extension cloud model, and the grey clustering evaluation method are used for a thorough evaluation. Finally, the enterprise safety management system’s overall construction level is determined to be good. In order to effectively strengthen the enterprise safety management capability and prevent the occurrence of production safety accidents, this study provides a practical and thorough evaluation method for the evaluation of the enterprise safety management system. This method makes it easier to identify system weaknesses and provides a safety guarantee for the sustainable development of enterprises.

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Section: Cowa Algorithm For Calculating Weightmentioning

confidence: 99%

Extension Cloud Model and Grey Clustering Evaluation of Enterprise Safety Management System: Based on COWA-CRITIC Combination Weighting

Duan,

Li,

Jiang

et al. 2023

Sustainability

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show abstract

“…This enables it to conveniently integrate qualitative and quantitative analysis methods, and the quantitative analysis results can better conform to the qualitative analysis results and actual situations. The cloud gravity center deviation [31][32][33][34] is a multi-attribute decision-making method based on the cloud model, evaluating and ranking alternative solutions by calculating the cloud center of gravity of various attributes. This method emphasizes the handling of uncertain information, taking into account both qualitative concepts and quantitative data analysis.…”

Section: Introductionmentioning

confidence: 99%

A Comprehensive Asset Evaluation Method for Oil and Gas Projects

et al. 2023

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The rapid and accurate evaluation of oil and gas assets, specifically for new development projects, poses a significant challenge due to the various project types, limited data availability, brief periods for assessment and decision making, and constraints arising from varying contractual and taxation conditions, political stability, and societal factors. This study leverages the grading standards of the evaluation index system for new oil and gas field development projects, along with relevant mathematical theories and methods for project evaluation and optimization. We developed an asset evaluation approach for new oil and gas projects by analyzing the assets of six new oil and gas field development projects in Brazil. This analysis resulted in the grading and ranking of new projects, and we tested and demonstrated four asset optimization techniques. After a comparative analysis with conventional evaluation results, we established an oil and gas project asset optimization approach centered on the cloud model comprehensive evaluation and linear weighted ranking, exhibiting Kendall’s tau coefficient of 0.8667 with conventional methods. The findings suggest that the combination of the cloud model comprehensive evaluation method with the linear weighted ranking method can facilitate asset optimization for oil and gas field development projects, meeting the practical needs for fast selection among various new projects. Furthermore, this research offers a technical and theoretical foundation for rapid evaluation and decision making regarding new assets.

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Safety evaluation on hydrogen leakage and combustion of high-pressure hydrogen dispenser

Wang,

Shen,

Shi

et al. 2024

International Journal of Hydrogen Energy

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Vulnerability assessment of hydrogen stations based on cloud center of gravity theory

Cited by 4 publications

References 21 publications

Extension Cloud Model and Grey Clustering Evaluation of Enterprise Safety Management System: Based on COWA-CRITIC Combination Weighting

Extension Cloud Model and Grey Clustering Evaluation of Enterprise Safety Management System: Based on COWA-CRITIC Combination Weighting

A Comprehensive Asset Evaluation Method for Oil and Gas Projects

Safety evaluation on hydrogen leakage and combustion of high-pressure hydrogen dispenser

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