Human frequency characteristics in manual tracking of three input waves
Article Abstract:
Human reactivity levels concerning particular input waveforms are analyzed. The representation of human operators as a control system was used in an experiment that measured reactions to visual displays corresponding to step, sinusoidal and random wave input forms. The study validated control theories which state that control system evaluations must test rapidity, stability and control system performance independently.
Publication Name: Ergonomics
Subject: Business
ISSN: 0014-0139
Year: 1992
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Effects of car window tinting on visual performance: a comparison of elderly and young drivers
Article Abstract:
Two experiments were conducted to examine the effects of the tinting of car front side windows to 35% visible light transmittance on visual performance. A comparison of elderly and young adult performance was performed using two backward pattern masking tasks with visible light transmittance levels ranging from 100% to 20%. Results suggest that the level of tinting for front side windows should not be reduced to 35%.
Publication Name: Ergonomics
Subject: Business
ISSN: 0014-0139
Year: 1999
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