Human Spatial Orientation Perception During Simulated Lunar Landing Motions

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Human Spatial Orientation Perception During Simulated Lunar Landing Motions

Clark, Torin K. / Stimpson, Alexander J. / Young, Laurence R. / Oman, Charles M. / Natapoff, Alan / Duda, Kevin R.

Safe and precise piloted lunar landings require control inputs that depend on an accurate perception of vehicle orientation and motion. However, the unique environment and motions experienced during a lunar landing trajectory may lead to misperceptions in vehicle state. Eight subjects participated in a human subject experiment in the NASA Ames vertical motion simulator, where self-reports of perceptions of vehicle tilt angle and horizontal velocity were made during lunar-landing-like motions. Three cases of sensory cues were studied: Subjects were blindfolded and given no visual cues; subjects were provided a simulated dynamic view of the lunar terrain out a forward-looking window; and subjects were provided dynamic instrument displays showing current vehicle states. Subjects’ perception indications differed substantially from the motions being simulated in the blindfolded and out-the-window conditions, but were better matched when viewing instrument displays. Subject perceptions were also compared with predictions from a numerical model of orientation perception, and qualitatively matched in the blindfolded case, but were less well aligned in the out-the-window case. These types of misperceptions may impact astronaut control inputs and degrade vehicle performance and safety.

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Dokumentinformationen

Titel :

Human Spatial Orientation Perception During Simulated Lunar Landing Motions

Beteiligte:

Clark, Torin K. (Autor:in) / Stimpson, Alexander J. (Autor:in) / Young, Laurence R. (Autor:in) / Oman, Charles M. (Autor:in) / Natapoff, Alan (Autor:in) / Duda, Kevin R. (Autor:in)

Erschienen in:

Journal of Spacecraft and Rockets ; 51 , 1 ; 267-280

Erscheinungsdatum :

2013-06-20

Format / Umfang :

14 pages

ISSN :

0022-4650 , 1533-6794

DOI :

https://doi.org/10.2514/1.A32493

Medientyp :

Aufsatz (Zeitschrift)