The current research on human-machine interaction interface layout focused on ergonomic analysis, while the research on\naesthetics and aesthetic degree calculation of interface layout was insufficient. In order to objectively evaluate the aesthetic degree\nof interface layout, this paper put forward an aesthetic degree evaluation method of interface design based on Kansei engineering.\nFirstly, the perceptual image structure of interface aesthetic degree was analyzed from the perspective of aesthetic cognition. Six\naesthetic image factors affecting interface aesthetic degree, including proportion, conciseness, order, rhythm, density, and\nequilibrium, were extracted by factor analysis method, and the variance contribution rate of each factor was taken as the weight.\nSecondly, according to the six aesthetic degree indexes, the calculation system of interface aesthetic degree was constructed, and\nthe aesthetic degree value of aesthetic image factor was calculated by the corresponding aesthetic degree evaluation mathematical\nformula. Then, Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method was used to analyze the order of\naesthetic degree superiority of design schemes, and the comprehensive aesthetic degree evaluation was carried out. Finally, the\naesthetic degree evaluation of human-machine interaction interface layout of the drillerâ??s console of an AC variable frequency\ndrilling rig was taken as an example to verify that this method was helpful for designers to optimize the design scheme. The\nexperimental results showed that the proposed method was feasible and effective compared with the method of paired comparison\ncommonly used in psychophysics.
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