The effect of Hue difference in vibration environment on the cognitive performance of aircraft HUD Interface for pilots

Abstract: In the aviation domain, the color design of the aircraft head-up display (HUD) is crucial for flight safety and operational efficiency. However, the effect of color difference on pilots' cognitive performance in a vibrating environment remains inadequately studied. This experiment aimed to address this gap. A precise experimental method was employed. For color variables, four basic hues in the HSB color system served as backgrounds, and foreground colors with specific color differences were carefully selected. The vibration conditions were set to 5Hz, 10Hz, 15Hz, 20Hz, and a non-vibration environment, simulating diverse flight scenarios. Subjects were required to perform a HUD information search task, and their reaction times and accuracy rates were recorded.The results showed significant interaction effects. In a high-vibration environment, a color difference of 60 degrees led to the shortest reaction time. In a low-vibration environment, 90 degrees performed better under certain backgrounds. In a non-vibration environment, color difference had a relatively minor impact on accuracy. Different background hues also affected the relationship between color difference and performance. For example, the green background had a lower accuracy rate at a 30-degree color difference.This study provides a solid basis for HUD color coding design. It helps optimize color design in a vibrating environment, enhance information recognition efficiency, and thus improve flight safety and operational efficiency. It offers valuable references for related fields and promotes the development of human-computer interaction technology in aviation.

Keywords: Head-up display, Color difference, Vibration environment, Cognitive performance, Color coding

DOI: 10.54941/ahfe1005816

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