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Analysis and assessment of risks to public safety from unmanned aerial vehicles using fault tree analysis and Bayesian network

Author

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  • Xiao, Qin
  • Li, Yapeng
  • Luo, Fan
  • Liu, Hui

Abstract

Unmanned aerial vehicles (UAVs) have become increasingly prevalent in human production and life, but concerns about their impact on public safety have also grown. To address these concerns, this paper presents a hybrid risk identification model that uses fault tree analysis (FTA) and Bayesian network (BN) to analyze critical risks associated with UAVs. First, by analyzing accident reports and existing literature, the fault tree structure of UAV-related public safety accidents is constructed, and initial risk factors are identified. Next, the fault tree is converted into a BN using conversion rules and the conditional probabilities are determined based on logic gates, parameter learning, and expert opinions. The BN model is then validated using actual UAV accident cases. Finally, diagnostic inference and sensitivity analysis are applied to identify key risk factors that impact public safety from UAVs. The results indicate that the primary risk factors leading to public safety incidents involving UAVs are internal system failures (battery failures, mechanical failures, and flight control system failures), pilot factors (unqualified knowledge and skills, weak safety awareness, violations, and lack of legal awareness), external environmental impacts (obstacles, route planning issues, and unclear airspace division), and UAV supervision issues (undefined subject of supervision responsibility, weak laws and regulations, and lack of supervision system). The findings of this study can help policymakers develop effective regulations for UAV operations to improve public safety.

Suggested Citation

  • Xiao, Qin & Li, Yapeng & Luo, Fan & Liu, Hui, 2023. "Analysis and assessment of risks to public safety from unmanned aerial vehicles using fault tree analysis and Bayesian network," Technology in Society, Elsevier, vol. 73(C).
  • Handle: RePEc:eee:teinso:v:73:y:2023:i:c:s0160791x23000349
    DOI: 10.1016/j.techsoc.2023.102229
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    Cited by:

    1. Sun, Xuting & Hu, Yue & Qin, Yichen & Zhang, Yuan, 2024. "Risk assessment of unmanned aerial vehicle accidents based on data-driven Bayesian networks," Reliability Engineering and System Safety, Elsevier, vol. 248(C).

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