Document Type

Article

Publication Date

2007

City

Dayton

Abstract

We describe a program of research and development to combat problems of in-flight spatial disorientation. One component is a computational model predicting the onset of the leans, the graveyard spiral, the Coriolis, and the somatogyral illusion, based on a vestibular model and inputs from the aircraft and control states. This model is validated in a flight simulation experiment. A second component we describe is the application of the model off line, embodied in a visualization and analysis tool for SD mishap investigation. A third component uses the model on-line, in flight to trigger visual, auditory, and tactile countermeasures to restore spatial orientation. The effectiveness of these countermeasures is demonstrated in two experiments.


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