Evaluation of the Visual Navigation Chart Based on Visual Perception

摘要

A complete set of symbols is not formed for VFR chart in our country for the slow development of general aviation. On the basis of the VFR chart collected from lots of designers, evaluation index of VFR chart was defined with the Cognitive semiotics and the demand of chart for VFR. All the sample data of the evaluation index was get through the visual perception test. Finally, the value of comprehensive evaluation was given by Fuzzy evaluation. The designing principal of VFR chart symbols was summarized. It provided the theory basis for the development of VFR chart.