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Related Experiment Video

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Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator
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Predicting Workload Experienced in a Flight Test by Measuring Workload in a Flight Simulator.

Yiyuan Zheng, Yanyu Lu, Yuwen Jie

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    |June 23, 2019
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    Summary
    This summary is machine-generated.

    Pilot workload can be accurately predicted using simulator data. NASA-TLX and heart rate measurements in simulators strongly correlate with flight test workload, reducing risks associated with flight testing.

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    Area of Science:

    • Aviation Psychology
    • Human Factors Engineering
    • Aerospace Safety

    Background:

    • Determining minimum flight crew requirements and ensuring airworthiness regulations necessitate workload measurement in various flight scenarios.
    • Flight tests present challenges including increased pilot responsibility, stress, and safety concerns, making high-risk abnormal situations unsuitable for testing.
    • Assessing workload in simulators is crucial for predicting pilot workload during actual flight tests.

    Purpose of the Study:

    • To compare subjective and psychophysiological workload measures between simulator and flight test environments.
    • To validate the use of simulators for predicting pilot workload in real flight conditions.
    • To identify reliable workload assessment methods for flight crew compliance and safety.

    Main Methods:

    • Two subjective (NASA-TLX) and three psychophysiological (e.g., eye blink rate, heart rate) measurements were employed.
    • Workload was assessed in three flight scenarios using an ARJ21-700 full-flight simulator and the actual aircraft.
    • Seventeen pilots participated in the study, providing data for both simulator and flight test conditions.

    Main Results:

    • Flight scenarios and environment significantly impacted NASA-TLX scores, eye blink rate, and heart rate.
    • Strong correlations were found between simulator and flight test data for NASA-TLX (R = 0.864) and heart rate differences (R = 0.840).
    • NASA-TLX and heart rate emerged as consistent workload measures across both simulator and flight test settings.

    Conclusions:

    • NASA-TLX and heart rate are reliable and consistent measures for assessing pilot workload in both simulators and flight tests.
    • Combining NASA-TLX and heart rate data from simulator sessions provides a robust method for predicting flight test workload.
    • This approach enhances safety and efficiency by reducing the need for high-risk maneuvers during flight compliance testing.