EFFECTS OF CONTRAST AND SPATIAL FREQUENCY ON IDEALIZED COMPENSATORY TASKS

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dc.contributor.advisorCeli, Robertoen_US
dc.contributor.authorBrown, Daniel Richarden_US
dc.contributor.departmentAerospace Engineeringen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.date.accessioned2014-06-26T05:34:49Z
dc.date.available2014-06-26T05:34:49Z
dc.date.issued2014en_US
dc.description.abstractThe present analysis describes a series of experiments to quantify the effects of loss of contrast on highly-idealized, compensatory piloting tasks. The effects of spatial frequency are simultaneously studied via the Modulation Transfer Function (MTF). The MTF can quantify the contrast and spatial frequency (relative size) of the objects that provide visual cues necessary for closing pilot control loops. A brief analysis is also performed on different input devices and their effects on task performance. The results show compensatory task performance can be modeled with multiple MTFs, each representing a unique numeric characterization of the pilot response in a single task. The results also quantify the intuitively known fact that physiological limits of human vision directly correlate to piloting task performance. Therefore, the MTF may represent a key building block of quantitative, objective rotorcraft Handling Qualities metrics for Degraded Visual Environments (DVE).en_US
dc.identifier.urihttp://hdl.handle.net/1903/15446
dc.language.isoenen_US
dc.subject.pqcontrolledAerospace engineeringen_US
dc.subject.pquncontrolledADS-33en_US
dc.subject.pquncontrolledDegraded Visual Enviornments (DVE)en_US
dc.subject.pquncontrolledModulation Transfer Function (MTF)en_US
dc.subject.pquncontrolledRotorcraft Brownouten_US
dc.subject.pquncontrolledRotorcraft Handling Qualities (HQ)en_US
dc.subject.pquncontrolledUsable Cue Environment (UCE)en_US
dc.titleEFFECTS OF CONTRAST AND SPATIAL FREQUENCY ON IDEALIZED COMPENSATORY TASKSen_US
dc.typeThesisen_US

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