Abstract
In the truck industry, the driver's eye location is represented by an ellipse. The specific ellipse used is defined by the Society of Automotive Engineers (SAE) and is called an “eyellipse.” A preliminary study investigated whether an observed difference between the design eyellipse and the actual driver eye positions is significant. A sample of five drivers was selected based on anthropometric dimensions. The eye positions of the drivers were measured in a static production vehicle. The results indicated that the sample population mean was significantly higher (at the α = 0.01 level) than the design eyellipse centroid. Several potential causes for the demonstrated difference are discussed. Further studies should be conducted to verify the results of this study to determine whether the eyellipse equations or procedure need to be modified.
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