Haptic Support for Aircraft Approaches with a Perspective Flight-path Display
Derek G. Beeftink (Student TU Delft)
C Borst (TU Delft - Control & Simulation)
Dirk Van Baelen (TU Delft - Control & Simulation)
M. M.(René) van Paassen (TU Delft - Control & Simulation)
Max Mulder (TU Delft - Control & Operations)
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Abstract
Perspective flight-path displays are a viable alternative for the aircraft primary flight display, but increases the pilot head-down time. A haptic interface is developed to counter this effect and increase the task-sharing performance during approach. An experiment (n=12) was conducted to test the effects of the haptic design on primary task performance with a tunnel-in-the-sky display, in a low and high workload condition. To investigate the effects of the haptic interface on the headdown time, a secondary task was presented on the simulator outside visual, in the form of bucket-shaped figures, requiring participants to indicate the direction of the one divergent figure. Secondary task performance was measured by success rate, average time to answer correctly and – by means of eye-tracker measurements – head-up time and number of gaze switches. Pilots also provided a subjective measure of their mental effort after each run. Results show that haptic feedback significantly increases both primary and secondary task performance of the pilots, especially when the primary task is more challenging. Workload ratings are significantly lower, and head-up time increases with haptic feedback.