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Quantitative assessment of pilot-endured workloads during helicopter flying emergencies: an analysis of physiological parameters during an autorotation

Scarpari, José Ricardo Silva ; Ribeiro, Mauricio Watanabe ; Deolindo, Camila Sardeto ; Aratanha, Maria Adelia Albano ; de Andrade, Donizeti ; Forster, Carlos Henrique Quartucci ; Figueira, José Márcio Pereira ; Corrêa, Fernando Lucas Soares ; Lacerda, Shirley Silva ; Machado, Birajara Soares ; Amaro Júnior, Edson ; Sato, João Ricardo ; Kozasa, Elisa Harumi ; Annes da Silva, Roberto Gil

Scientific reports, 2021-09, Vol.11 (1), p.17734-17734, Article 17734 [Periódico revisado por pares]

London: Nature Publishing Group

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  • Título:
    Quantitative assessment of pilot-endured workloads during helicopter flying emergencies: an analysis of physiological parameters during an autorotation
  • Autor: Scarpari, José Ricardo Silva ; Ribeiro, Mauricio Watanabe ; Deolindo, Camila Sardeto ; Aratanha, Maria Adelia Albano ; de Andrade, Donizeti ; Forster, Carlos Henrique Quartucci ; Figueira, José Márcio Pereira ; Corrêa, Fernando Lucas Soares ; Lacerda, Shirley Silva ; Machado, Birajara Soares ; Amaro Júnior, Edson ; Sato, João Ricardo ; Kozasa, Elisa Harumi ; Annes da Silva, Roberto Gil
  • Assuntos: Aircraft ; Cognitive ability ; Flight ; Heart rate ; Landing behavior ; Physiology ; Pilots ; Workloads
  • É parte de: Scientific reports, 2021-09, Vol.11 (1), p.17734-17734, Article 17734
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: Abstract The procedures to be performed after sudden engine failure of a single-engine helicopter impose high workload on pilots. The maneuver to regain aircraft control and safe landing is called autorotation. The safety limits to conduct this maneuver are based on the aircraft height versus speed diagram, which is also known as "Dead Man’s Curve”. Flight-test pilots often use subjective methods to assess the difficulty to conduct maneuvers in the vicinity of this curve. We carried out an extensive flight test campaign to verify the feasibility of establishing quantitative physiological parameters to better assess the workload endured by pilots undergoing those piloting conditions. Eleven pilots were fully instrumented with sensors and had their physiological reactions collected during autorotation maneuvers. Our analyses suggested that physiological measurements (heart rate and electrodermal activity) can be successfully recorded and useful to capture the most effort-demanding effects during the maneuvers. Additionally, the helicopter’s flight controls displacements were also recorded, as well as the pilots’ subjective responses evaluated by the Handling Qualities Rate scale. Our results revealed that the degree of cognitive workload was associated with the helicopter’s flight profile concerning the Height-Speed diagram and that the strain intensity showed a correlation with measurable physiological responses. Recording flight controls displacement and quantifying the pilot's subjective responses show themselves as natural effective candidates to evaluate the intensity of cognitive workload in such maneuvers.
  • Editor: London: Nature Publishing Group
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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